WO2015119070A1 - 電子内視鏡システム、電子内視鏡、電源装置、電子内視鏡システムの作動方法 - Google Patents
電子内視鏡システム、電子内視鏡、電源装置、電子内視鏡システムの作動方法 Download PDFInfo
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- WO2015119070A1 WO2015119070A1 PCT/JP2015/052818 JP2015052818W WO2015119070A1 WO 2015119070 A1 WO2015119070 A1 WO 2015119070A1 JP 2015052818 W JP2015052818 W JP 2015052818W WO 2015119070 A1 WO2015119070 A1 WO 2015119070A1
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- power
- electronic endoscope
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- power supply
- endoscope
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00006—Operational features of endoscopes characterised by electronic signal processing of control signals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00025—Operational features of endoscopes characterised by power management
- A61B1/00027—Operational features of endoscopes characterised by power management characterised by power supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
- H04N23/651—Control of camera operation in relation to power supply for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
Definitions
- the present invention relates to an electronic endoscope system that supplies electric power from a power supply device to an electronic endoscope, an electronic endoscope, a power supply device, and an operation method of the electronic endoscope system.
- an electronic endoscope (video scope: hereinafter, abbreviated as “scope” as appropriate) that captures and acquires an image of a subject with an image sensor is used.
- This electronic endoscope is connected to a video processor (hereinafter abbreviated as “processor” where appropriate) that processes acquired images, and is operated by receiving power from the video processor.
- the video processor also serves as a power supply device for the electronic endoscope.
- an electronic endoscope system that supplies electric power from such a power supply device to the electronic endoscope
- a power supply device such as a video processor
- information unique to the electronic endoscope such as an electronic Information
- the power supply unit compares the received model number with the database stored in itself, sets parameters such as voltage value and current upper limit value (current limit) according to the model number, and supplies power to the electronic endoscope.
- the operation sequence corresponding to the model number is selected and executed.
- a scope is provided with a voltage detection unit that detects an applied voltage value, and a voltage is supplied when a power supply circuit unit of a processor supplies power to the scope.
- a technique for controlling a voltage applied to a scope based on a voltage value detected by a detection unit is described.
- Japanese Patent Application Laid-Open No. 2009-201541 discloses an imaging system in which an electronic endoscope including a solid-state imaging device is connected to a processor device and a light source device via a universal cord, and a power supply circuit of the processor device is a power source. It is described that a voltage and a ground voltage are generated and supplied to a solid-state imaging device.
- Japanese Patent Application Laid-Open No. 2011-139795 discloses an endoscope apparatus including an endoscope scope having an imaging unit and an endoscope processor that performs image processing. Application of a voltage from a variable voltage source of a mirror processor is described.
- the power consumption of the electronic endoscope varies depending on the operation state such as the exposure operation and the readout operation, and the operation mode such as the normal mode and the high resolution mode.
- a voltage higher than the necessary voltage is supplied in advance so that the necessary voltage can be secured even if a voltage drop occurs when the power consumption increases. I try to keep it.
- wasteful power is consumed, but also excessively supplied power is converted into heat, which causes the temperature of the electronic endoscope to rise.
- the present invention has been made in view of the above circumstances, and an electronic endoscope system, an electronic endoscope, and a power supply apparatus capable of supplying necessary and sufficient power to the electronic endoscope at the time when the necessity arises.
- An object of the present invention is to provide a method for operating an electronic endoscope system.
- An electronic endoscope system includes an in-scope electric circuit, and a power request unit that generates and transmits a power request signal representing an amount of power to be supplied according to an operating state of the in-scope electric circuit. And an electronic endoscope for observing the inside of the subject, a power supply for supplying power to the electronic endoscope, the power request signal is received, and is represented by the received power request signal.
- a power supply control unit that controls the power supply so as to output the amount of electric power to be output to the electronic endoscope, and a power supply device to which the electronic endoscope is connected.
- An electronic endoscope is an electronic endoscope for observing the inside of a subject, and the electronic endoscope according to an in-scope electric circuit and an operating state of the in-scope electric circuit. And a power request unit that generates and transmits a power request signal that represents the amount of power to be supplied by the mirror.
- a power supply device is a power supply device to which an electronic endoscope for observing the inside of a subject is connected, the power supply supplying power to the electronic endoscope, and the electronic endoscope Received and received a power request signal representing the amount of power to be supplied to the electronic endoscope generated and transmitted by the power request unit of the electronic endoscope according to the operating state of the in-scope electrical circuit
- a power supply control unit that controls the power supply so as to output power of the amount of power represented by the power request signal to the electronic endoscope.
- An operation method of an electronic endoscope system is an operation method of an electronic endoscope system in which an electronic endoscope and a power supply device are connected, and an electric circuit in a scope of the electronic endoscope
- the power request unit of the electronic endoscope generates and transmits a power request signal representing the amount of power to be supplied by the electronic endoscope according to the operation state of the power supply unit, and the power control unit of the power supply device Receiving the power request signal, and controlling the power supply of the power supply device so as to output to the electronic endoscope the amount of power represented by the received power request signal; and Supplying power to the electronic endoscope.
- FIG. 1 is a block diagram showing a configuration of an electronic endoscope system according to Embodiment 1 of the present invention.
- 3 is a flowchart showing the operation of the electronic endoscope system in the first embodiment.
- 9 is a flowchart showing the operation of the electronic endoscope system in the second embodiment.
- 10 is a flowchart showing the operation of the electronic endoscope system according to the third embodiment.
- FIG. 1 is a block diagram showing a configuration of an electronic endoscope system.
- This electronic endoscope system includes a video processor 1 and an electronic endoscope 2 (hereinafter abbreviated as “endoscope 2” as appropriate).
- the video processor 1 is connected to an endoscope 2 and processes an image signal obtained by the connected endoscope 2.
- the video processor 1 supplies power to the endoscope 2.
- Doubles as The video processor 1 includes a power supply control unit 11, a power variable unit 12 and a variable regulator 13 that constitute a power supply, and an output power monitoring unit 14.
- the endoscope 2 is a scope for observing the inside of the subject.
- the endoscope 2 is operated by power supplied from the video processor 1 to image the subject, and transmits an image signal obtained by the imaging to the video processor 1. To do.
- the endoscope 2 includes an endoscope control unit 21, an in-scope electric circuit 22, a regulator 23, and a supply power monitoring unit 24.
- the power supply control unit 11 is configured by, for example, an FPGA (Field Programmable Gate Array), receives the power request signal transmitted from the endoscope control unit 21 that is a power request unit, and receives the received power request signal.
- the power supply is controlled so as to output the power of the amount of power represented by
- the power control unit 11 further compares the power amount represented by the power request signal with the output power amount detected by the output power monitoring unit 14, receives the power request signal, and controls the power source. Even if the comparison result does not match even if the predetermined time elapses, or even if the comparison result matches, the time during which the power request signal is continuously received from the endoscope 2 is the predetermined time. When it has reached, it is determined that the power supply to the endoscope 2 is abnormal.
- the power variable unit 12 is configured by, for example, a digital potentiometer, and is a variable resistor that changes a voltage to be divided based on digital control from the power supply control unit 11. Then, the power variable unit 12 applies the divided voltage to the variable regulator 13.
- the variable regulator 13 supplies power (voltage and current) in a stable manner.
- the variable regulator 13 includes, for example, a regulator having an ADJ terminal and an SHDN terminal.
- the ADJ terminal is a divided voltage applied from the power variable unit 12. The output voltage is changed according to
- the power variable unit 12 and the variable regulator 13 constitute a power source for supplying power to the endoscope 2.
- the output power monitoring unit 14 is configured by an A / D converter, for example, and detects the amount of output power (voltage and current) output from the variable regulator 13 to the endoscope 2.
- the power supplied from the variable regulator 13 of the video processor 1 is input to the regulator 23 of the endoscope 2.
- the regulator 23 stabilizes the power supplied to the in-scope electric circuit 22.
- the in-scope electrical circuit 22 includes a circuit for capturing an image.
- an image sensor that converts an optical image of a subject into an image signal
- an image sensor drive circuit for driving the image sensor
- each circuit configured on an electric circuit board is provided.
- the supply power monitoring unit 24 is constituted by, for example, an A / D converter or the like and detects the amount of supply power (voltage and current) supplied from the regulator 23 to the in-scope electric circuit 22.
- the endoscope control unit 21 is configured by, for example, an FPGA (Field Programmable Gate Array), and controls the electric circuit 22 in the scope (for example, control of an operation state such as exposure and reading).
- FPGA Field Programmable Gate Array
- the endoscope control unit 21 functions as a power request unit, and in accordance with the operating state of the in-scope electrical circuit 22, the amount of power to be supplied to the endoscope 2 (in other words, the video processor 1 that is a power supply device). Generates a power request signal representing the amount of power to be supplied to the endoscope 2 (hereinafter referred to as “required power amount” as appropriate) and transmits the power request signal to the power supply control unit 11 of the video processor 1.
- the endoscope control unit 21 determines the required electric energy required by the in-scope electric circuit 22 according to the operating state of the in-scope electric circuit 22 and the circuit of the endoscope 2 including the in-scope electric circuit 22. Based on the configuration (specifically, the circuit configuration of the in-scope electric circuit 22 and the regulator 23), the amount of power (required power amount) to be supplied to the endoscope 2 is calculated.
- the endoscope control unit 21 in the present embodiment further calculates the power amount that the endoscope 2 should be supplied more accurately based on the power supply amount detected by the power supply monitoring unit 24. It has become. Specifically, even if the video processor 1 is requested for the required power amount calculated so as to obtain the required power amount based on the circuit configuration of the endoscope 2, the actual supplied power amount is different from the required power amount. In this case, the required power amount is corrected by multiplying the current required power amount by a coefficient (required power amount / supplied power amount). By using the actual detection result in this way, it is possible to flexibly cope with individual differences that may occur even with the same circuit configuration.
- the power request by the endoscope control unit 21 includes a request for a voltage and a request for a current, and the request for a current includes a request for a current limit value (an upper limit value of a current allowed to be supplied).
- the request for the current limit value is made according to the variation in the current consumption value during operation when there is variation for each model number (or for each individual).
- the power request of the endoscope control unit 21 is started immediately when a need arises, and then continues (continuously) until the need is satisfied.
- FIG. 2 is a flowchart showing the operation of the electronic endoscope system.
- step S11 When the endoscope 2 is connected to the video processor 1, this processing is started, and the video processor 1 supplies power necessary for the endoscope control unit 21 to start operation (a left-pointed dotted arrow in FIG. 2). Is performed on the endoscope 2 (step S11).
- the endoscope 2 receives power from the video processor 1, and the endoscope control unit 21 starts operation (step S21).
- step S26 the power amount calculated in step S26, which will be described later, is used as the required power amount, a power request signal representing the required power amount is generated, It transmits to the control part 11 (it shows with the dotted arrow pointing right in FIG. 2) (step S22).
- the power supply control unit 11 controls the power variable unit 12 based on the power amount (required power amount) represented by the power request signal received from the endoscope control unit 21. Thereby, the power variable unit 12 changes the output power amount of the variable regulator 13 so as to correspond to the required power amount, and the power of the changed output power amount is immediately supplied to the endoscope 2 (step S12). .
- the supplied power monitoring unit 24 constantly monitors the amount of supplied power supplied from the regulator 23 to the in-scope electrical circuit 22, and outputs the monitoring result to the endoscope control unit 21 (step S23).
- the endoscope control unit 21 includes a supply power amount detected by the supply power monitoring unit 24 and a power amount (necessary power amount) required by the in-scope electrical circuit 22 according to the operating state of the in-scope electrical circuit 22. Are equal to each other (step S24).
- the required electric energy is set to a predetermined initial value if it is immediately after the endoscope 2 is connected to the video processor 1, and is set in step S26 described later if it is not immediately after.
- the endoscope control unit 21 further determines whether or not the required power amount has changed due to a change in the operating state of the in-scope electrical circuit 22 or the like. (Step S25).
- step S23 If it is determined that the required power amount has not changed, the process returns to step S23, and the amount of power supplied to the in-scope electrical circuit 22 is continuously monitored.
- the endoscope control unit 21 may The required electric energy of the in-scope electric circuit 22 is set according to the operating state of the internal electric circuit 22, and the endoscope is based on the set required electric energy and the circuit configurations of the in-scope electric circuit 22 and the regulator 23. 2 calculates the amount of power (required power amount) to be supplied from the video processor 1 (step S26). Although the required power amount can be calculated based on the required power amount and the circuit configuration, as described above, in the present embodiment, by using the supplied power amount detected by the supplied power monitoring unit 24, The calculated required power amount is made more accurate. When the required power amount is thus calculated, the process returns to step S22 described above to make a power request.
- the output power monitoring unit 14 constantly monitors the amount of output power from the variable regulator 13, and the power supply control unit 11 acquires this monitoring result (step S13).
- the power supply control part 11 determines whether the output electric energy of the variable regulator 13 is equal to the request
- the power supply control unit 11 further determines whether or not the power request signal is still being received from the endoscope 2 (step). S15).
- step S15 when the power request signal is not continuously transmitted from the endoscope 2, the power required by the endoscope 2 is normally received. Therefore, the process returns to step S13.
- the power supply controller 11 continues to acquire the output power amount.
- step S14 If it is determined in step S14 that the output power amount is not equal to the required power amount, or in step S15, it is determined that the power request signal is still being received even though the output power amount is equal to the required power amount. If the output power amount is equal to the required power amount, or the duration time during which the power request signal is continuously received has reached a predetermined time, the power supply control unit 11 determines ( Step S16).
- step S16 If it is determined in step S16 that the predetermined time has not yet elapsed, the process returns to step S13, and the power supply controller 11 continues to acquire the output power amount.
- step S ⁇ b> 16 the power supply control unit 11 performs control for the video processor 1 to supply the required power amount from the endoscope control unit 21.
- the power variable unit 12 and the variable regulator 13 is controlled to forcibly stop the power supply to the endoscope 2 (step S17).
- notification of the occurrence of an error or the content of the error for example, notification to the user by display or sound
- the like may be performed together.
- the video processor 1 in order to generate and transmit a power request signal representing the amount of power that the endoscope 2 should receive in accordance with the operating state of the in-scope electrical circuit 22, the video processor 1 It is sufficient to output the amount of power represented by the received power request signal, and power saving can be achieved without performing complicated sequence management. Accordingly, it is possible to suppress the generation of heat due to wasteful power consumption in the endoscope 2, thereby improving the safety of the operation and simplifying the configuration of the video processor 1. Can be reduced. Furthermore, it is possible to flexibly follow the characteristics of each individual that are not determined only by the model number indicating the model of the endoscope 2 or the like, or changes in the required power amount according to fine control during operation.
- the endoscope control unit 21 calculates the required electric energy based on the required electric energy required by the electric circuit 22 in the scope according to the operation state and the circuit configuration of the endoscope 2.
- the video processor 1 does not need to consider the operation state and circuit configuration of the endoscope 2 (that is, the video processor 1 does not need to know the circuit configuration of the endoscope 2 and reduces the power consumption of the endoscope 2). It is not necessary to monitor and it is not necessary to calculate the amount of power to be output to the endoscope 2 based on the monitoring result), and it is sufficient to output the requested power, and the processing load of the video processor 1 is sufficient. It becomes possible to reduce.
- the endoscope control unit 21 further wastes because the endoscope 2 more accurately calculates the amount of power to be supplied based on the supply power amount detected by the supply power monitoring unit 24. It becomes possible to suppress power consumption with higher accuracy.
- the video processor 1 since the video processor 1 only needs to supply the required power, it is not necessary to previously store a processing sequence, parameters, or the like corresponding to the model number of the endoscope 2, and the storage capacity can be reduced. At the same time, even if an unknown new-type endoscope 2 released after the video processor 1 is shipped is connected, it is possible to perform appropriate power control without supplying wasteful power.
- the processing is executed every appropriate period and lacks immediacy.
- the endoscope 2 is not provided. There is an advantage of high immediacy because a power request is made when it becomes necessary.
- the video processor 1 that is a power supply device further includes an output power monitoring unit 14, and the power control unit 11 determines the amount of power requested from the endoscope 2 and the output power amount detected by the output power monitoring unit 14. In comparison, if the result of the comparison does not match even after a predetermined time has elapsed, it is determined that the power supply to the endoscope 2 is abnormal, and thus safety measures such as stopping the power supply, etc. Can be applied.
- the power supply control unit 11 can detect the endoscope 2 when the time during which the power request signal is continuously received reaches a predetermined time. Since it is determined that the power supply to is abnormal, it is possible to more strictly take safety measures such as stopping the power supply. Thus, safety as an electronic endoscope system can be further improved.
- FIG. 3 and 4 show Embodiment 2 of the present invention
- FIG. 3 is a block diagram showing the configuration of the electronic endoscope system
- FIG. 4 is a flowchart showing the operation of the electronic endoscope system.
- the endoscope 2 of the present embodiment detects the amount of input power input from the video processor 1, which is a power supply device, as shown in FIG.
- An input power monitoring unit 25 is further provided.
- the input power monitoring unit 25 is constituted by an A / D converter, for example, and detects the amount of input power (voltage and current) input from the video processor 1 to the regulator 23.
- the mirror control unit 21 acquires the input power amount detected by the input power monitoring unit 25 (step S31).
- the endoscope control unit 21 functioning as a power request unit not only based on the required power amount, the circuit configuration, and the supplied power amount, but also based on the input power amount detected by the input power monitoring unit 25.
- the required power amount to be supplied by the endoscope 2 is calculated more accurately than in the first embodiment (step S26A).
- the correction of the required power amount by the multiplication of the coefficient (required power amount / supplied power amount) described in the first embodiment is waited until the required power amount becomes equal to the input power amount. Do, etc.
- a coefficient to be multiplied with the current required power amount is further expressed as ⁇ ( The correction may be made more precise by making a correction as follows: (Required electric energy / Supply electric energy) ⁇ (Current required electric energy / Input electric energy) ⁇ .
- step S22 the process returns to step S22 to make a power request.
- the operation of the video processor 1 shown in FIG. 4 is basically the same as the operation shown in FIG. 2 of the first embodiment described above.
- the effects similar to those of the first embodiment described above can be obtained, and when the endoscope control unit 21 calculates the required power amount, Since the monitoring results of both the power supply amount after the regulator 23 and the regulator 23 are used, the influence of the voltage drop generated in the regulator 23 can be grasped more accurately, and a more appropriate power request signal can be obtained from the video processor. 1 can be transmitted.
- FIG. 5 and 6 show Embodiment 3 of the present invention.
- FIG. 5 is a block diagram showing the configuration of the electronic endoscope system
- FIG. 6 is a flowchart showing the operation of the electronic endoscope system.
- the electronic endoscope system is configured to change the required power amount according to the operation mode.
- the endoscope 2 according to the present embodiment can set any one of a plurality of operation modes with different power consumptions as shown in FIG. 5 in addition to the configuration of the endoscope 2 according to the first embodiment.
- An operation unit 26 including a mode change switch and the like is further provided.
- FIG. 5 shows an example in which the operation unit 26 is added based on the configuration of the first embodiment, but it is needless to say that the configuration of the second embodiment may be used as a base.
- the operation mode that can be set by the operation unit 26 is, for example, a normal mode in which an image is captured at a normal resolution and a frame rate, and at least one of the resolution and the frame rate than the normal mode (however, if both are set lower)
- Low power consumption mode that reduces power consumption by reducing power consumption (high power-saving effect can be obtained)
- Some examples include high-resolution mode that captures images at the highest resolution (even if the frame rate must be lower than in normal mode). Of course, it doesn't matter.
- the normal mode is used for general imaging
- the low power consumption mode is used, for example, when the endoscope 2 is inserted before reaching the observation target site
- the high resolution mode is used, for example, when the observation target site is reached.
- the application is not limited to these.
- the power consumption of the endoscope 2 when the high resolution mode is set is Ph
- the power consumption of the endoscope 2 when the normal mode is set is Pn
- the power consumption when the low power consumption mode is set When the power consumption of the endoscope 2 is Pl, the power consumption in each mode is, for example, Ph> Pn> Pl.
- the operation of the electronic endoscope system of the present embodiment is as shown in FIG. 6, and the operation of the video processor 1 is basically the same as the operation shown in FIG. 2 of the first embodiment described above. .
- the endoscope control unit 21 functioning as a power request unit operates in the operation mode currently set for the endoscope 2 (power reception start).
- the operation mode automatically set at the time or the operation mode set by the operation unit 26) is acquired (step S41), and the required power amount to be supplied to the endoscope 2 according to the acquired operation mode is determined.
- Set (step S42) The required power amount set in step S42 includes, for example, a required voltage corresponding to the operation mode and a limit current corresponding to the operation mode.
- step S22 a power request signal is generated and transmitted based on the set required power amount, and the process of step S23 is further performed.
- step S24 If it is determined in step S24 that the supplied power amount matches the required power amount, and it is determined in step S25 that the required power amount has not changed, the operation unit 26 is further operated. It is determined whether or not the operation mode has been changed (step S43).
- step S43 If it is determined in step S43 that the operation mode has been changed, the process returns to step S41 to acquire the changed operation mode. If it is determined that the operation mode has not been changed, the process of step S26 is performed. Do.
- the set operation mode is set. In this case, only necessary power is supplied, and power saving according to the operation mode can be achieved.
- the video processor 1 side corresponds to the model number and the operation mode of the endoscope 2. It is not necessary to store the current limit value, the storage capacity can be reduced, and an unknown new endoscope 2 released after the video processor 1 is shipped is connected to operate in an unknown operation mode. Even if it does, it becomes possible to perform appropriate electric power control.
- the electronic endoscope system mainly including the electronic endoscope and the power supply device has been described.
- an operation method for operating the electronic endoscope system as described above may be used, or the computer may It may be a control program for controlling the endoscope system as described above, a non-temporary recording medium readable by a computer for recording the control program, or the like.
- the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage.
- various aspects of the invention can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, you may delete some components from all the components shown by embodiment.
- the constituent elements over different embodiments may be appropriately combined.
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Abstract
Description
図1および図2は本発明の実施形態1を示したものであり、図1は電子内視鏡システムの構成を示すブロック図である。
図3および図4は本発明の実施形態2を示したものであり、図3は電子内視鏡システムの構成を示すブロック図、図4は電子内視鏡システムの動作を示すフローチャートである。
図5および図6は本発明の実施形態3を示したものであり、図5は電子内視鏡システムの構成を示すブロック図、図6は電子内視鏡システムの動作を示すフローチャートである。
Claims (10)
- スコープ内電気回路と、
前記スコープ内電気回路の動作状態に応じて、供給を受けるべき電力量を表す電力要求信号を生成し送信する電力要求部と、
を有し、被検体内を観察するための電子内視鏡と、
前記電子内視鏡に電力を供給する電源と、
前記電力要求信号を受信して、受信した前記電力要求信号により表される電力量の電力を前記電子内視鏡へ出力するように前記電源を制御する電源制御部と、
を有し、前記電子内視鏡が接続される電源装置と、
を具備したことを特徴とする電子内視鏡システム。 - 前記電力要求部は、前記スコープ内電気回路の動作状態に応じて該スコープ内電気回路が必要とする必要電力量と、前記スコープ内電気回路を含む前記電子内視鏡の回路構成と、に基づいて、該電子内視鏡が供給を受けるべき電力量を算出することを特徴とする請求項1に記載の電子内視鏡システム。
- 前記電子内視鏡は、前記スコープ内電気回路に供給される供給電力の量を検出する供給電力監視部をさらに有し、
前記電力要求部は、さらに、前記供給電力監視部により検出された供給電力量に基づいて、該電子内視鏡が供給を受けるべき電力量を算出することを特徴とする請求項2に記載の電子内視鏡システム。 - 前記電子内視鏡は、前記電源装置から入力される入力電力の量を検出する入力電力監視部をさらに有し、
前記電力要求部は、さらに、前記入力電力監視部により検出された入力電力量に基づいて、該電子内視鏡が供給を受けるべき電力量を算出することを特徴とする請求項3に記載の電子内視鏡システム。 - 前記電子内視鏡は、消費電力が異なる複数の動作モードの何れかを設定可能な操作部をさらに有し、
前記電力要求部は、前記電子内視鏡に設定されている動作モードに応じて、該電子内視鏡が供給を受けるべき電力量を表す電力要求信号を生成し送信することを特徴とする請求項1に記載の電子内視鏡システム。 - 前記電源装置は、前記電源から出力される出力電力の量を検出する出力電力監視部をさらに有し、
前記電源制御部は、前記電力要求信号により表される電力量と、前記出力電力監視部により検出された出力電力量と、を比較して、前記電力要求信号を受信し前記電源を制御してから所定の時間が経過しても前記比較の結果が一致しない場合に、前記電子内視鏡への電力供給が異常であると判定することを特徴とする請求項1に記載の電子内視鏡システム。 - 前記電源制御部は、前記比較の結果が一致する場合であっても、前記電力要求信号を引き続き受信している時間が前記所定の時間に達した場合には、前記電子内視鏡への電力供給が異常であると判定することを特徴とする請求項6に記載の電子内視鏡システム。
- 被検体内を観察するための電子内視鏡であって、
スコープ内電気回路と、
前記スコープ内電気回路の動作状態に応じて、該電子内視鏡が供給を受けるべき電力量を表す電力要求信号を生成し送信する電力要求部と、
を有することを特徴とする電子内視鏡。 - 被検体内を観察するための電子内視鏡が接続される電源装置であって、
前記電子内視鏡に電力を供給する電源と、
前記電子内視鏡のスコープ内電気回路の動作状態に応じて前記電子内視鏡の電力要求部により生成され送信された該電子内視鏡が供給を受けるべき電力量を表す電力要求信号を受信して、受信した前記電力要求信号により表される電力量の電力を前記電子内視鏡へ出力するように前記電源を制御する電源制御部と、
を有することを特徴とする電源装置。 - 電子内視鏡と電源装置とが接続される電子内視鏡システムの作動方法であって、
前記電子内視鏡のスコープ内電気回路の動作状態に応じて、該電子内視鏡が供給を受けるべき電力量を表す電力要求信号を、該電子内視鏡の電力要求部が生成し送信するステップと、
前記電源装置の電源制御部が、前記電力要求信号を受信して、受信した前記電力要求信号により表される電力量の電力を前記電子内視鏡へ出力するように前記電源装置の電源を制御するステップと、
前記電源が前記電子内視鏡に電力を供給するステップと、
を有することを特徴とする電子内視鏡システムの作動方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15746057.7A EP3047789A4 (en) | 2014-02-05 | 2015-02-02 | Electronic endoscopic system, electronic endoscope, power supply device, method for operating electronic endoscopic system |
| CN201580002502.0A CN105705076B (zh) | 2014-02-05 | 2015-02-02 | 电子内窥镜系统、电子内窥镜、电源装置、电子内窥镜系统的动作方法 |
| JP2015530809A JP5881907B2 (ja) | 2014-02-05 | 2015-02-02 | 電子内視鏡システム、電子内視鏡、電源装置、電子内視鏡システムの作動方法 |
| US15/145,882 US20160248974A1 (en) | 2014-02-05 | 2016-05-04 | Electronic endoscope system, electronic endoscope, power supply apparatus and method for operating electronic endoscope system |
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| WO2018167912A1 (ja) * | 2017-03-16 | 2018-09-20 | オリンパス株式会社 | 固体撮像素子および内視鏡システム |
| JP2018192086A (ja) * | 2017-05-19 | 2018-12-06 | オリンパス株式会社 | 内視鏡システム |
| WO2019211939A1 (ja) * | 2018-05-01 | 2019-11-07 | オリンパス株式会社 | 内視鏡装置 |
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| JP6348854B2 (ja) * | 2015-02-03 | 2018-06-27 | 富士フイルム株式会社 | 内視鏡用プロセッサ装置、内視鏡システム及び内視鏡システムの非接触給電方法 |
| JP6353810B2 (ja) * | 2015-04-24 | 2018-07-04 | 富士フイルム株式会社 | 内視鏡システム |
| CN110545707B (zh) * | 2017-03-27 | 2022-09-23 | 奥林巴斯株式会社 | 摄像装置 |
| WO2018207537A1 (ja) * | 2017-05-10 | 2018-11-15 | オリンパス株式会社 | ワイヤレス内視鏡及びワイヤレス内視鏡システム |
| US11144105B2 (en) | 2018-10-30 | 2021-10-12 | Dell Products L.P. | Method and apparatus to provide platform power peak limiting based on charge of power assist unit |
| US10990149B2 (en) * | 2018-10-31 | 2021-04-27 | Dell Products L.P. | Method and apparatus for providing peak optimized power supply unit |
| CN113631073B (zh) * | 2019-01-22 | 2025-02-21 | 奥林巴斯株式会社 | 内窥镜系统和参数控制装置 |
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| US20160248974A1 (en) | 2016-08-25 |
| JP5881907B2 (ja) | 2016-03-09 |
| CN105705076B (zh) | 2018-07-24 |
| EP3047789A1 (en) | 2016-07-27 |
| CN105705076A (zh) | 2016-06-22 |
| JPWO2015119070A1 (ja) | 2017-03-23 |
| EP3047789A4 (en) | 2017-06-28 |
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