CN107404665A - The control method of electronic equipment and electronic equipment - Google Patents
The control method of electronic equipment and electronic equipment Download PDFInfo
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- CN107404665A CN107404665A CN201710680308.9A CN201710680308A CN107404665A CN 107404665 A CN107404665 A CN 107404665A CN 201710680308 A CN201710680308 A CN 201710680308A CN 107404665 A CN107404665 A CN 107404665A
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- usb
- electronic equipment
- multimedia interface
- digital camera
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- 238000000034 method Methods 0.000 title claims abstract description 7
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 4
- 238000012545 processing Methods 0.000 description 50
- 230000006870 function Effects 0.000 description 24
- 238000012544 monitoring process Methods 0.000 description 19
- 230000009471 action Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 238000009790 rate-determining step (RDS) Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Studio Devices (AREA)
Abstract
The present invention provides a kind of electronic equipment and the control method of electronic equipment.The electronic equipment possesses USB, has the multimedia interface and control unit of mutual equipment control function, above-mentioned electronic equipment be in can be from the state being controlled via the image display device that above-mentioned multimedia interface connect by above-mentioned mutual equipment control function when, if connecting external equipment via above-mentioned USB, the control unit forbids the use of above-mentioned mutually equipment control function.
Description
It is December 21, Application No. 201110432086.1, entitled " electronics in 2011 applying date that the application, which is,
The divisional application of the application for a patent for invention of equipment and program ".
By referring to the disclosure of following claim of priority application is incorporated into this specification：December 21 in 2010
Japan's patent application the 2010-284591st filed in day.
Technical field
The present invention relates to electronic equipment and program.
Background technology
The image recording structure of digital camera etc. has USB (Universal Serial Bus：USB), make
For for the general-purpose interface being connected with personal computer etc..Via USB connection image recording structures and personal computer, Neng Goushi
It will now shoot and obtain transmission of the image (rest image, dynamic image) to personal computer, from personal computer control image
Tape deck carries out various shooting operations etc..
In addition, as described in following patent documents 1, also occur also having in addition to above-mentioned USB and be mounted with as more matchmakers
HDMI (the High-Definition Multimedia Interface of body interface：HDMI) (registrar
Mark) image recording structure.Image recording structure is subjected to cable company via the image display device such as HDMI and television receiver
Connect, so as to which the display picture for obtaining image and being shown in image display device will be shot.Recently researching and developing：Utilize HDMI
CEC (the Consumer Electronics Control as mutual equipment control function：Consumer electronics controls), such as
Image recording structure can be operated from the subsidiary remote control of television receiver (Remote Controller).
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2008-187536 publications
The content of the invention
As described above, be equipped with USB or HDMI etc., be capable of transmission equipment control signal interface image recording structure
In, in the case of the image display device while connection that the personal computer connected via USB connects with via HDMI, image
Tape deck turn into by multiple main frames (personal computer, image display device) can state of a control and be absorbed in unmanageable
State.Therefore, in the past, for example, in the case where image recording structure is connected via HDMI with image display device, show in image
When being connected with personal computer via USB on showing device, it is arranged to cut off HDMI in control (as not connected shape is equal to
State) and only receive the control from personal computer.Therefore, even if image recording structure is connected with image display device, image
Display device also turns into without dispaly state, therefore the problem of convenience for users is poor be present.
Present invention aims at the electronic equipment and program that offer can improve convenience for users.
It is a kind of to possess USB and there is mutual equipment control function in first method of the present invention
The electronic equipment of multimedia interface, the electronic equipment have control unit, when in can be from the figure connected via multimedia interface
During the state being controlled by mutual equipment control function as display device, if being connected via USB outside
Equipment, then the control unit forbid the use of mutual equipment control function.
It is a kind of to possess USB and there is mutual equipment control function in second method of the present invention
The electronic equipment of multimedia interface, the electronic equipment have control unit, are set being connected with outside via USB
When standby, if connecting image display device via above-mentioned multimedia interface, the control unit forbids making for mutual equipment control function
With.
In third embodiment of the present invention, a kind of program for being used to make computer perform following rate-determining steps：When
In can from via with mutual equipment control function multimedia interface connect image display device pass through mutual equipment
During the state that control function is controlled, if connecting external equipment via USB, forbid mutual equipment control
The use of function processed.
In the 4th embodiment of the present invention, a kind of program for being used to make computer perform following rate-determining steps：
When being connected with external equipment via USB, if via the multimedia interface quilt with mutual equipment control function
Image display device is connected, then forbids the use of mutual equipment control function.
In accordance with the invention it is possible to improve convenience for users.
Brief description of the drawings
Fig. 1 is the figure for the overall system architecture for schematically showing embodiment of the present invention.
Fig. 2 is the block diagram of the structure for the digital camera for representing embodiment of the present invention.
Fig. 3 is the flow chart of the first processing in the digital camera for represent embodiment of the present invention.
Fig. 4 is the flow chart of the second processing in the digital camera for represent embodiment of the present invention.
Embodiment
Hereinafter, embodiment of the present invention is described in detail referring to the drawings.As shown in figure 1, the system of present embodiment
Including：Digital camera 1 as electronic equipment one, the DTV 2 as image display device one and it is used as outside
The personal computer 3 that equipment is one.Digital camera 1 is not particularly limited, for example, single anti-digital camera can be enumerated.As
Can also be mobile phone, smart mobile phone, audio broadcasting although electronic equipment is illustrated by taking digital camera 1 as an example
Device etc..
Digital camera 1 possesses：Controlled as the USB of USB, and as having as mutual equipment
The HDMI of the multimedia interface of the CEC functions of function.USB and HDMI adapts to hot plug (hot plug) respectively, in power on
In the state of can be attached with miscellaneous equipment, and digital camera 1 can detect whether be connected with via these interfaces it is other
Equipment.
As shown in Fig. 2 digital camera 1 has：For connecting the connecting portion 18 of DTV 2 and for connecting individual
The connecting portion 19 of computer 3.
Connecting portion 18 is HDMI sockets, for connecting the HDMI equipment of the communication interface with HDMI standard.Meet HDMI
The communication cable of standard is that one end of HDMI cables 4 is inserted into connecting portion 18.It is connected with via connecting portion 18 and HDMI cables 4
In the case of DTV 2, digital camera 1 works as HDMI source devices (source).DTV 2 receives as HDMI
Device (sink) and work.Connecting portion 18 is, for example, HDMI standard c-type socket.
Connecting portion 19 is USB socket, for connecting the USB device of the communication interface with USB standard.Meet USB standard
Communication cable be that one end of USB cable 5 is inserted into connecting portion 19.Connecting portion 19 is, for example, that the Macro USB of USB standard are inserted
Seat, for connecting the USB device to be worked as the main frame of USB standard.Counted via connecting portion 19 and USB cable 5 with personal
When calculation machine 3 connects, digital camera 1 works as the equipment of USB standard.
In addition, as shown in figure 1, by the way that digital camera 1 is connected with each other via HDMI cables 4 and DTV 2, coming can
Display picture (monitoring unit) 25 of the obtained image (rest image, dynamic image) in DTV 2 will be shot by digital camera 1
Upper display (for example, magic lantern display rest image).Now, such as can be using HDMI CEC functions, according to user to digital electricity
Depending on the operation of 2 subsidiary remote controls 7, beginning/stopping, the instruction of single frames advance (the lower piece image of display) that image is shown are carried out
And other instructions.
In addition, by the way that digital camera 1 is connected via USB cable 5 with personal computer 3, coming can be according to individual calculus
The application program performed on machine 3 carries out for example online (Tether) shooting.Online shooting refers to according to user in personal computer 3
The shooting action of the operational control digital camera 1 of middle progress and the shooting (remote control shooting) carried out.By captured by online shooting
View data automatically or be as needed transferred to personal computer 3 and store possess to personal computer 3 it is not shown
Storage device (hard disk unit etc.) in.
The program (including online application program for shooting) that personal computer 3 performs is via storage mediums such as CD-ROM
6 or internet etc. communication network (not shown) are provided and are installed in personal computer 3.It is individual although eliminating diagram
People's computer 3 includes CPU, memory, peripheral circuit, monitor (display device), keyboard, mouse etc., is performed and is pacified by CPU
The program of dress realizes online shoot function and other functions.
Digital camera 1 and DTV 2 to want portion to form as shown in Figure 2.Digital camera 1 and the phase of DTV 2 are interconnected
The HDMI cables 4 connect include according to HDMI standard：CEC lines 4a, TMDS (Transition Minimized Differential
Signaling：Minimize differential signal transmission) line 4b and other signals line (not shown).CEC lines 4a is used in number
The signal wire of instruction transmitting-receiving is controlled between camera 1 and DTV 2, TMDS lines 4b is used for from digital camera 1 to numeral
TV 2 transmits the signal wire of view data.
Digital camera 1 has CPU 10, ROM 11, RAM 12, frame memory 13, operating portion 14, back side monitor 15, figure
As recording medium 16, shooting processing unit 17, connecting portion 18, HDMI instruction processing unit 18a, HDMI image output units 18b, connecting portion
19 and USB processing units 19a.CPU 10 is by performing the control program stored in ROM 11 (including for carrying out described later
The program of one processing to the 3rd processing), to perform the various processing for making digital camera 1 realize function.RAM 12 provides CPU
The storage region of operation when being handled such as 10.Frame memory is used as using a part for RAM 12 storage region
13。
Operating portion 14 includes the release button that can realize the two kinds of switching manipulations for being half pressed against and pressing entirely, opening and closing main power source
Main switch, instruction disk, menu button, items selection cross key, OK button (confirming button), magic lantern start button, be used for
Button of various screening-modes etc. is selected, user comes by being operated according to the step of regulation to these switches or button etc.
In addition to carrying out shooting instruction, additionally it is possible to carry out various patterns etc. the switching of selection or setting, the selection of parameter or input,
The associated instruction with other shootings.
Back side monitor 15 is provided in the display unit back side, being made up of liquid crystal panel etc. of digital camera 1, is used for
Show instant preview image, captured image, the menu screen etc. of various parameters setting.Image recording media 16 is by fast
Storage card with portability of the compositions such as flash memory etc., it is replaceably mounted as defined in being set in digital camera 1
In notch (not shown).
Although it is not shown, but processing unit 17 is imaged with photographing element, A/D change-over circuits, image processing circuit etc..Shooting
Element is made up of CCD or CMOS etc., receive and image via phtographic lens from the light of subject export image pickup signal (make
For the analog signal of accumulated charge).Be transformed to data signal in A/D change-over circuits from the image pickup signal of photographing element output and
It is sent to image processing circuit.Image processing circuit is by ASIC (Application Specific Integrated
Circuit：Application-Specific Integrated Circuit) etc. form, be to data signal original digital image data carry out white balance (WB) adjustment, wheel
The image procossings such as wide compensation, gamma correction (gamma correction), and carry out as needed with defined compressed format
Compression processing and the expansion of compressing image data processing of (for example, JPEG etc.) compression etc., operation based on operating portion 14 etc.
View data after processing is stored into frame memory 13 or image recording media 16.
During conventional shooting, if the release button (shooting instruction button) in user's push portion 14, from image processing part
17 outputs shoot/view data of image procossing, to the additional informations of the view data Additional provisions with exif etc.
Form simultaneously recorded in image recording media 17 using the regulation filename with sequentially serial number as image file.
HDMI instructions processing unit 18a is the processing unit for the transmitting-receiving that instruction is controlled via CEC lines 4a and DTV 2.
As control instruction, such as image transmitting request, image transmitting termination (or interruption) request, the single frames advance of image can be enumerated
Request etc..As control instruction, can also include being used to carry out the shooting action such as the release of digital camera 1 or set action etc.
Instruction.
HDMI image output units 18b transmits view data according to the instruction from CPU 10 to DTV 2.For example,
HDMI image output units 18b reads the view data for diaprojection from frame memory 13 or image recording media 16, and will
Read-out view data exports to HDMI image output units 18b.HDMI image output units 18b is via (the TMDS lines of HDMI cables 4
4b) view data is transmitted to DTV 2 (HDMI image input unit 26b).
Under CPU 10 control, whether digital camera 1 can detect via HDMI cables 4 is physically connected with digital electricity
Depending on 2, in the case where being physically connected with DTV 2 via HDMI cables 4, can carry out CEC patterns image transmitting, often
Any of processing of lockout mode on the image transmitting of scale formula, control.
CEC patterns are the control instructions that will be sent in HDMI instruction processing units 18a from DTV 2 via CEC lines 4a
It is set to effectively transmit the pattern of view data in the state of it can control digital camera 1 from DTV 2.In the CEC moulds
Under formula, such as carry out on DTV 2 in the case that magic lantern shows, user can be for example, by the operating portion 14 of remote control 7
Operation, come side send image single frames advance etc. instruction, side appreciate image.
Normal mode is will to be set to invalid i.e. can not be from number from DTV 2 via the CEC lines 4a control instructions sent
Word TV 2 controls the pattern of transmission view data in the state of digital camera 1.Under the normal mode, user can not be from numeral
The side of TV 2 controls digital camera 1, but view data is transmitted and shown to DTV 2 according to the control of the side of digital camera 1
Show.
Lockout mode is that the connection via the DTV 2 of HDMI cables 4 is set to control to the pattern of upper dissengaged positions, i.e.,
It is equal to the pattern of state when HDMI cables 4 are not connected with.Therefore, under the lockout mode, not only via the control of HDMI cables 4
The transmitting-receiving of instruction is made, and the transmission of view data can not also be carried out.These patterns can be preset, or suitable as needed
Work as switching.
USB processing units 19a is in the case of being used to be connected with personal computer 3 via USB cable 5 on digital camera 1
The processing unit of the transmitting-receiving of signal or picture signal etc. is controlled with personal computer 3.
Under CPU 10 control, digital camera 1 is capable of detecting when whether via USB cable 5 be physically connected with individual
Computer 3, in the case where being physically connected with personal computer 3 via USB cable 5, can optionally it be set for often
The pattern of state when advising the pattern of communication and being equal to not connected.These patterns can be preset, or suitable as needed
Work as switching.
DTV 2 has CPU 20, ROM 21, RAM 22, frame memory 23, operating portion 24, monitoring unit (display picture
Face) 25, HDMI instructions processing unit 26a and HDMI image input unit 26b.CPU 20 is by performing the control stored in ROM 21
Program etc., to perform the various processing for making DTV 2 realize function.RAM 22 is provided when CPU 20 etc. is handled
The storage region of operation.Frame memory 23 is used as using a part for RAM 22 storage region.Operating portion 24 be in order to
To DTV 2 indicate input and button that user is operated, switch, key etc., be arranged on the body of DTV 2
On, or be arranged on Fig. 1 remote control 7.
HDMI instructions processing unit 26a is the processing unit for the transmitting-receiving that instruction is controlled via CEC lines 4a and digital camera 1.
HDMI image input units 26b is used to obtain (reception) via TMDS lines 4b transmission from digital camera 1 (HDMI image output unit 18b)
View data.CPU 20 stores the view data received by HDMI image input units 26b into frame memory 23.In frame
The view data stored in memory 23 is converted to the form of the display of the portion of being adapted to monitor for 25 and is shown in monitoring unit 25.In addition, prison
Depending on portion 25 for example by LCD (Liquid Crystal Display：Liquid crystal display) or PDP (Plasma Display Panel：
Plasma display) etc. display unit form.
Below, flow shown in reference picture 3, following first processing is illustrated, i.e. digital camera 1 from via
When the DTV 2 that HDMI cables 4 connect using the mode of operation (CEC patterns) of mutual equipment control function to be controlled, and
And the processing in the case where PC 3 is connected to digital camera 1 via USB cable 5.
First, it is connected as premise, digital camera 1 via HDMI cables 4 with DTV 2, figure is carried out under CEC patterns
As transmission, (such as diaprojection) image is shown in the monitoring unit 25 of DTV 2.Here, suppose that examined by digital camera 1
At the time of measuring DTV 2 and be connected via HDMi cables 4, digital camera 1 is automatically set to CEC patterns.However, this
The setting of kind of pattern may not be automatic carry out and carry out as follows, i.e. by DTV 2 via HDMI cables 4 with
After digital camera 1 connects, by carrying out defined operation using the operating portion 14 of digital camera 1 by user, to be set as CEC
Pattern.Under the CEC patterns, user can use the operating portion 14 of the grade of remote control 7 of DTV 2 to carry out such as magic lantern and show
Beginning/stopping, single frames advance, it is various setting etc..
In Fig. 3, using HDMI CEC patterns in the image of DTV 2 is shown (step S11), digital camera 1 detects
Whether via USB cable 5 personal computer (PC) 3 (step S12) is connected with, continues to walk (during "No") when not detecting connection
Rapid S11, when detecting connection (during "Yes"), digital camera 1 automatically switches to normal mode (step S13) from CEC patterns.This
When, in the monitoring unit 25 of DTV 2 display show the pattern of digital camera 1 from CEC pattern switchings be normal mode (step
S13) the information of the meaning.
By switching to normal mode, stop HDMI instruction processing units 18a function, digital camera 1, which turns into not receive, to be come
From the state of the control instruction of DTV 2 (be equal to CEC lines 4a be physically cut off state state).Now, HDMI schemes
As the original state of output section 18b holdings, therefore, if sending over image from digital camera 1, the image can be included in number
In the monitoring unit 25 of word TV 2.
In this condition, even if user operates to the operating portion 24 of the grade of remote control 7, digital camera 1 can not also be carried out
Control.The situation can represent the pattern of digital camera 1 from CEC patterns by being shown in the monitoring unit 25 of DTV 2
The information of the meaning of normal mode is switched to inform user.In addition, can enumerate as the information " switch to can not carry out it is distant
The displays of character string such as the pattern of control device operation " or the figure shows for representing identical content, and figure is shown in monitoring unit 25
Can be with Overlapping display on this image in the case of as in.
Then, digital camera 1 is migrated under the control of personal computer 3 (step S14), according to individual according to usb protocol
The application program performed in computer 3 is controlled.Here, in personal computer 3, it is assumed for example that online photographing program is performed,
Instructed according to the shooting that is sent from personal computer 3, carry out shooting action in digital camera 1, captured image via
The TMDS lines 4b of HDMI cables 4 is transferred to DTV 2 and is shown in its monitoring unit 25 (step S15).
By carrying out this first processing (automatic switchover processing), when effectively can prevent from being connected with both HDMI and USB
Control interfere, and be only off HDMI CEC and image transmitting can be continued, therefore can in DTV 2
Monitoring unit 25 on display image.Therefore, than prior art, it is possible to increase convenience for users.
Below, flow chart shown in reference picture 4, is illustrated to following second processing, i.e. digital camera 1 from via
When the DTV 2 that HDMI cables 4 connect using the mode of operation (CEC patterns) of mutual equipment control function to be controlled, and
And the processing in the case where personal computer 3 is connected to digital camera 1 via USB cable 5.
It is identical when premise is with the above-mentioned first processing, therefore their description is omitted.In Fig. 4, using HDMI CEC patterns in number
During the image of word TV 2 is shown (step S21), digital camera 1 detects whether to be connected with personal computer via USB cable 5
(PC) 3 (step S22), do not detect to continue step S21 (during "No") during connection, in digital phase (during "Yes") when detecting to connect
Shown on the back side monitor 15 of machine 1 for selecting the selection picture that HDMI is preferential or USB is preferential, prompt user to be selected
(step S23).Next, it is determined that the user in step S23 is chosen whether as USB (step S24), when being judged as have selected USB
(during "Yes"), normal mode (step S25) is automatically switched to from CEC patterns.Now, in the monitoring unit 25 of digital camera 2
Display shows message of the pattern of digital camera 1 from CEC pattern switchings for the normal mode meaning.
By switching to normal mode, stop HDMI instruction processing units 18a function, digital camera 1, which turns into not receive, to be come
From the state of the control instruction of DTV 2 (be equal to CEC lines 4a be physically cut off state state).Now, HDMI schemes
As output section 18b keeps original state, if therefore send over image from digital camera 1, the image can be included in number
In the monitoring unit 25 of word TV 2.In this condition, even if user operates to the operating portion 24 of remote control 7, can not also carry out
The control of digital camera 1.The situation can represent the pattern of digital camera 1 by being shown in the monitoring unit 25 of DTV 2
User is informed from the information for the meaning that CEC pattern switchings are normal mode." switched in addition, can be enumerated as the information
The pattern of device operation can not be remotely controlled " etc. the display of character string or represent the figure shows of identical content, and in monitoring unit
On 25 in display image in the case of can be with Overlapping display on this image.
Then, digital camera 1 is moved under the control of personal computer 3 (step S26), according to individual according to usb protocol
The application program performed in people's computer 3 is controlled.Here, for example, it is assumed that performing online shooting journey on the personal computer 3
Sequence, instructed according to the shooting that is sent from personal computer 3, carry out shooting action in digital camera 1, captured image via
The TMDS lines 4b of HDMI cables 4 is transferred to DTV 2 and is shown in its monitoring unit 25 (step S27).
In step S24, in non-selected USB, that is, when have selected HDMI (during "No"), HDMI is set to protect by digital camera 1
Hold original state (state for keeping CEC patterns) and USB is set to inoperative state and (be equal to the shape of connectionless state
State) (step S28).The control instruction received via USB can for example be returned equivalent to it is not executable instruction or
Person ignores the processing of the instruction received.
By carrying out this second processing (selection hand-off process), when effectively can prevent from being connected with both HDMI and USB
Control interferes, and can be handled according to user intent, than prior art, it is possible to increase convenience for users.
Also, even in have selected USB it is preferential in the case of, be only off HDMI CEC and image transmitting can continue, therefore can
The display image in the monitoring unit 25 of DTV 2, than prior art, it is possible to increase convenience for users.
Also, in above-mentioned second processing select USB it is preferential when, be set to by from CEC pattern switching to normal mode come
Only it is off HDMI CEC and image transmitting can continue, but can also be set to from CEC pattern switching to lockout mode and complete
Full cut-out HDMI state.
Below, the 3rd following processing is illustrated, i.e. in digital camera 1 via USB cable 5 and personal computer 3
When connecting and being controlled by personal computer 3 according to usb protocol, and number is connected to via HDMI cables 4 in DTV 2
Processing in the case of code-phase machine 1.
First, as premise, digital camera 1 is connected via USB cable 5 with personal computer 3, and is led to according to usb protocol
The application program performed on the personal computer 3 is crossed to be controlled.For example, when performing online photographing program on the personal computer 3,
In digital camera 1 photographing actions are carried out according to the shooting instruction sent from personal computer 3.
So, when digital camera 1 is under the control of personal computer 3, digital camera 1 is detected whether via HDMI electricity
Cable 4 is connected to DTV 2, and when detecting connection, digital camera 1 is set to normal mode.That is, in the 3rd processing, when
When digital camera 1 is connected with DTV 2, forbids the connection of CEC patterns and carry out the connection of normal mode.
Now, display shows the meaning that digital camera 1 connects in a conventional mode in the monitoring unit 25 in DTV 2
Information.Also, due to connecting in a conventional mode, therefore HDMI instruction processing units 18a function is stopped, and digital camera 1 turns into
The state of the control instruction from DTV 2 is not received.On the other hand, because HDMI image output units 18b function does not have
Stop, if therefore send over image from digital camera 1, the image can be shown in the monitoring unit 25 of DTV 2.
By carrying out this 3rd processing, it effectively can prevent from being connected with interfering of being controlled when both HDMI and USB,
And it can continue to carry out the control based on usb protocol.Also, only by stopping HDMI CEC, and image biography can be carried out
It is defeated, thus can in the monitoring unit 25 of DTV 2 display image, than prior art, it is possible to increase convenience for users.
Although in addition, it is configured to prestore in the ROM 11 of digital camera 1 for carrying out in the above-described embodiment
The control program of first processing to the 3rd processing, but can also be by downloading the program via internet to be encased in digital phase
Machine 1, to enable digital camera 1 to carry out above-mentioned first processing to the 3rd processing.
That is, when in the shape that can control digital camera 1 with CEC patterns from the DTV 2 connected via HDMI cables 4
During state, if personal computer 3 is connected via USB cable 5 with digital camera 1, the involved control program of the first processing makes number
Code-phase machine 1 performs the rate-determining steps used for forbidding CEC patterns.
In addition, can be from the DTV 2 connected via HDMI cables 4 with CEC Schema controls digital camera 1 when being in
During state, if personal computer 3 is connected via USB cable 5 with digital camera 1, the control program involved by second processing makes
Digital camera 1 performs：For selecting the selection step that HDMI is preferential or USB is preferential；And it have selected USB in step is selected
Forbid the rate-determining steps used of CEC patterns in the case of preferential.
In addition, when digital camera 1 connects on the personal computer 3 via USB cable 5, if can be via HDMI cables 4
It is connected with the DTV 2 that CEC patterns connect with digital camera 1, then the involved control program of the 3rd processing makes digital camera 1
Perform the rate-determining steps used for forbidding CEC patterns.
Embodiments described above is used to make the present invention should be readily appreciated that not for the restriction present invention.Therefore, above-mentioned reality
Each key element disclosed in mode is applied also comprising various design alterations and its equivalent way for belonging to the technology of the present invention scope.
Claims (8)
1. a kind of electronic equipment, possess USB and the multimedia interface with mutual equipment control function, its
It is characterised by,
With display part, when in can mutually be set by above-mentioned from via the image display device that above-mentioned multimedia interface connects
During the state that standby control function is controlled, if via the connection of above-mentioned USB except above-mentioned image display device it
Outer external equipment, then display part display select which of above-mentioned multimedia interface and above-mentioned USB
To be preferential.
2. electronic equipment according to claim 1, it is characterised in that
Also there is control unit, if selecting above-mentioned USB, the control unit forbids above-mentioned mutually equipment control work(
The use of energy.
3. electronic equipment according to claim 2, it is characterised in that
Above-mentioned control unit, which turns into, forbids the above-mentioned mutually use of equipment control function and can be to via above-mentioned multimedia interface
The above-mentioned image display device of connection sends the state of view data.
4. electronic equipment according to claim 3, it is characterised in that
When in can from via the above-mentioned image display device that above-mentioned multimedia interface connects pass through it is above-mentioned mutually equipment control
During the state that function is controlled, if connecting said external equipment, above-mentioned control unit via above-mentioned USB
Be switched to second mode from first mode, wherein, the first mode for permit the above-mentioned mutually use of equipment control function and
The state of view data can be sent to above-mentioned image display device, the second mode is to forbid above-mentioned mutually equipment control function
Use and can to above-mentioned image display device send view data state.
5. electronic equipment according to claim 2, it is characterised in that
Above-mentioned control unit via the connection to above-mentioned image display device of above-mentioned multimedia interface to being controlled upper cut-out.
6. electronic equipment according to claim 2, it is characterised in that
If selecting above-mentioned multimedia interface, above-mentioned control unit makes above-mentioned USB not work.
7. the electronic equipment according to any one of claim 1 to 6, it is characterised in that
Above-mentioned multimedia interface is HDMI,
Above-mentioned control unit forbids CEC.
8. the control method of a kind of electronic equipment, it is characterised in that comprise the following steps：
When upper in that can pass through from the image display device connected via the multimedia interface with mutual equipment control function
When stating the state that mutual equipment control function is controlled, if via USB connection except above-mentioned image display dress
External equipment outside putting, then it is preferential to select which of above-mentioned multimedia interface and above-mentioned USB.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-284591 | 2010-12-21 | ||
| JP2010284591 | 2010-12-21 | ||
| JP2011277941A JP5267650B2 (en) | 2010-12-21 | 2011-12-20 | Electronic equipment, digital camera and program |
| JP2011-277941 | 2011-12-20 | ||
| CN201110432086.1A CN102547445B (en) | 2010-12-21 | 2011-12-21 | Electronic device and control method for electronic device |
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| CN201110432086.1A Division CN102547445B (en) | 2010-12-21 | 2011-12-21 | Electronic device and control method for electronic device |
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| CN107404665A true CN107404665A (en) | 2017-11-28 |
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| CN201110432086.1A Active CN102547445B (en) | 2010-12-21 | 2011-12-21 | Electronic device and control method for electronic device |
| CN201710680308.9A Pending CN107404665A (en) | 2010-12-21 | 2011-12-21 | The control method of electronic equipment and electronic equipment |
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| CN201110432086.1A Active CN102547445B (en) | 2010-12-21 | 2011-12-21 | Electronic device and control method for electronic device |
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| CN111125657B (en) * | 2019-12-25 | 2022-11-22 | 联想(北京)有限公司 | Control method and device for student to use electronic equipment and electronic equipment |
| CN113535108A (en) * | 2021-07-27 | 2021-10-22 | 深圳创维－Rgb电子有限公司 | Vision protection method, display device, readable storage medium and system |
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| CN101415112A (en) * | 2007-10-17 | 2009-04-22 | 株式会社日立制作所 | display device |
| US20090322855A1 (en) * | 2008-06-30 | 2009-12-31 | Canon Kabushiki Kaisha | Communication apparatus and control method |
| US20100132004A1 (en) * | 2008-06-03 | 2010-05-27 | Canon Kabushiki Kaisha | Communication device and conversion adapter |
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| US7823214B2 (en) * | 2005-01-07 | 2010-10-26 | Apple Inc. | Accessory authentication for electronic devices |
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| JP2002133406A (en) * | 2000-10-19 | 2002-05-10 | Canon Inc | Digital information input system, control method therefor, information generating device constituting the system, and information processing device |
| CN101415112A (en) * | 2007-10-17 | 2009-04-22 | 株式会社日立制作所 | display device |
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|---|---|
| CN102547445B (en) | 2017-09-08 |
| CN102547445A (en) | 2012-07-04 |
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