KR200163627Y1 - A device with multi-switch using of the resistance - Google Patents

Abstract

The device using the multi-switch using the resistance of the present invention is a multi-switch (1) for the resistance value is changed by the user, each variable value has a switch signal for setting a predetermined camera function, and A selection switch S2 for outputting a signal for changing a menu in a set camera function and an analog voltage value input according to the operation of the multi-switch 1 to a digital value and then compared with a stored setting value; Set the predetermined camera function by judging, set the menu in the set camera function according to the operation signal of the selection switch S2 in the state of setting the predetermined camera function, and input the operation signal of the release switch S1. Information on the camera function according to the CPU 2 and the driving signal output from the CPU 2 to perform a shooting operation corresponding to a state set at It comprises an information display unit (3) for displaying a menu, it is possible to prevent the automatic rewinding noise generated in the place where the noise is generated, that is, the user is not recognized in a quiet place around, It is possible to aggregate camera switches into one device, thus facilitating a large number of switch mounting spaces to be considered in the design, miniaturizing the size of the camera, and mounting multiple switches. This reduces the cost of production, thereby reducing production time and reducing the number of CPU input ports.

Description

Device using multi switch using resistor

The present invention relates to a device using a multi-switch using a resistor, and more particularly, to a device using a multi-switch using a resistor to use each variable resistance value of the variable resistor as a switch signal.

In general, one switch is connected to one input port located in the Central Proecss Unit (CPU) of the device and outputs an operation signal for performing one function.

Therefore, as shown in Fig. 1, in a typical camera, each switch 10 for outputting a signal for performing each camera function to perform a plurality of camera functions by a user is provided to the CPU 20 of the camera. It is connected to the corresponding one of the plurality of input ports 30 located.

In other words, the camera must be equipped with as many switches as the number of camera functions performed by the user, and the CPU 20 must also have an input port to be connected with each switch mounted.

Therefore, when a predetermined switch among the switches mounted on the camera is turned on, the CPU 20 receives a low level signal from an input port connected to the switched on switch, and accordingly recognizes the on operation of the corresponding switch to detect the corresponding camera function. Let this be done.

Here, when the switch is not turned on, the input port 30 of the CPU 20 is in a high level state.

As described above, in order to perform a plurality of camera functions by a user, by mounting a corresponding number of switches in the camera, a manufacturing cost is increased and an operation time is increased, and a printed circuit unit (PCB) equipped with a CPU is designed. And the hassle of considering where to place the switch on the body of the camera or other device.

In addition, since the CPU requires at least as many input ports as the number of switches, there is a problem in that a manufacturing cost and a work time increase, and a body of the CPU and the apparatus becomes large.

Therefore, this invention is to solve the conventional problems, the resistance to use the variable resistor value of the variable resistor as a switch signal so that a switch signal for performing a plurality of camera functions to one input port of the CPU To provide a multi-switch using.

1 is a diagram in which a general switch is connected to an input terminal of a CPU.

2 is a view showing a device using a multi-switch according to a first embodiment of the present invention,

3 is a view showing a multi-switch using a resistor according to a first embodiment of the present invention,

4 is an operation flowchart of a camera using a multi-switch using a resistance according to the first embodiment of the present invention,

5 is a view replacing the multi-switch using a plurality of resistors according to a second embodiment of the present invention.

This invention for solving the above technical problem,

A multi-switch having a switch signal for varying a resistance value by a user and for setting a camera function corresponding to each variable resistance value;

A selection switch for outputting a signal for changing a menu among camera functions set by a user;

A release switch for outputting a signal for starting a photographing operation by a user;

According to the operation of the multi-switch, the input analog voltage value is converted into a digital value and compared with the stored setting value to determine a predetermined camera function, and a predetermined camera function is set in the state of the selection switch. An operation controller configured to set a menu in a camera function set according to an operation signal to perform a shooting operation corresponding to a state set when an operation signal of the release switch is input;

And an information display unit displaying information on a camera function and a menu according to a driving signal output from the operation controller.

By the above-described configuration, a person with ordinary skill in the art to which the present invention belongs will be described in detail with reference to the accompanying drawings the most preferred embodiment that can easily implement the present invention.

2 is a view showing a device using a multi-switch according to a first embodiment of the present invention.

As shown in FIG. 2, an apparatus using a multi-switch using a resistor according to the first embodiment of the present invention is

One terminal of the multi-switch 1 made of a variable resistor is supplied with the power supply VDD, and the other terminal thereof is an analog / digital input terminal 21 of the CPU 2 and The voltage dividing voltage, which is connected to one terminal of the resistor R1, corresponding to the variable resistance value of the multi-switch 1, is input to the input port 20 of the CPU 2 through the operation switch S1.

In addition, the release switch S1 has one terminal connected to the other terminal of the resistor R1 grounded and the other terminal connected to the second input port 23 of the CPU 2, and the selection switch ( S2) also has one terminal connected to the other terminal of the resistor R1 and the other terminal connected to the first input port 22 of the CPU 2.

Here, the release switch (S1) is ready for shooting, that is, the release first stage switch (S11) for outputting the release first stage signal for automatic focus adjustment, and the release two stage signal for outputting the release two stage signal It consists of a switch (S12).

The CPU 2 connects the output terminal to the information display unit 3 so that the user can know the set information.

Here, the multi-switch 1 will be described with reference to FIG. 3.

3 is a view showing a multi-switch using a resistor according to a first embodiment of the present invention.

As shown in FIG. 3, the multi-switch 1 is rotatable left or right, and an arrow-shaped intellectual mark 111 is formed on the upper side, and a long groove (to facilitate dialing on the side). A plurality of 112 are formed, and a dial 11 is provided in which a button b1 is formed at a predetermined portion on the upper side.

In addition, a switch display 12 of a camera function is formed at a dialed position around the dial 11, and the switch display 12 may be displayed in various ways depending on the function of the camera. ) OFF switch display 121, main on switch display 122, mode select switch display 123, flash select switch display 124, rewind lock switch display 125, shooting lock switch display 126 , Rewind switch indication 127.

Here, when the intellectual display 111 of the dial 11 points to the shooting lock 126 or the rewind lock switch display 125 by the user, this design mechanically fixes the dial 11.

The reason is that when the pointing display 111 points to the rewind lock 125 or the shooting lock switch display 126, the CPU 2 sets the corresponding lock function so that the corresponding camera function of the lock setting is not performed. Therefore, if the user locks the corresponding function of the camera with any intention, it is not to be easily dialed only in the shooting lock 126 or the rewind lock switch display 125 so as to meet the intention.

If it is mechanically fixed as described above, it is natural that the mechanical release, according to this invention is designed to release the mechanical fixing when the user presses the button (b1) installed on the upper side of the dial (11).

Therefore, the user presses the button b1 when the pointing display 111 is pointing to the shooting lock 126 or the rewind lock switch display 125, and then rotates the dial 11 to display another camera function display. The indication 111 can be moved.

Here, when the multi-switch 1 points to the corresponding camera function switch 121 to 127 indicated by the intellectual display 111 of the dial 11, a signal for the corresponding camera function is output.

Therefore, the user turns the dial 11 of the multi-switch 1 when not photographing so that the intellectual display 111 comes to the main off switch display 121, and when the photographing is performed. The display 111 is brought to the main on switch display 122, and then the pointed display 111 is at the corresponding switch display that displays the desired camera function.

Here, the multi-switch 1 is operated by the user, the resistance value increases when the intellectual display 111 is rotated to the left.

That is, the multi-switch 1 has a larger resistance value when the intellectual display 111 is on the shooting lock switch display 127 than when the intellectual display 111 is on the main off switch display 121, and the rewind lock switch display 126 is larger than that. It is more likely that when in the main on switch indicator 122.

Therefore, the resistance value of the multi-switch 1 is the indication 111 is the main on switch display 122 → mode select switch display 123 → flash select switch display 124 → rewind lock switch display 125 → The resistance value decreases as the shooting lock switch display 126 → wind switch display 127 → main off switch 121 changes in the order.

Here, the user can make and use the dial 11 to perform a function such as a general switch.

In other words, when the user presses the dial 11, a predetermined camera function can be performed.

Hereinafter, the operation of the camera using the multi-switch using the resistance according to the first embodiment of the present invention will be described in detail with reference to FIGS. 2 to 4.

In the state where the pointing display 111 is in the main off switch display 121, when the user turns the dial 11 so that the pointing display 11 points at the main on switch display 122, the multi The resistance value of the switch 1 is variable.

Therefore, the power supplied to the multi-switch 1 is variable and input to the A / D input port 21 of the CPU 2 and converted into a digital value by the CPU 2 (S10, S20). .

The CPU 2 stores the level displacement value of the digital voltage in order to determine the signal of the multi-switch 1 converted into a digital value.

Thus, the CPU 2 compares the voltage of the multi-switch 1 converted from the main on voltage which is the best value among the level displacement values of the stored digital voltage (S30).

In the comparison (S30), the CPU 2 allows the camera to be in a camera-on state, that is, a state in which a photographing state is possible only when the voltage of the multi-switch 1 input in the camera off state is higher than the stored main on voltage.

In other words, the mode voltage, the flash voltage, the wind voltage, the rewind lock voltage, the photographing lock voltage, and the main off voltage of the signals of the multi-switch 1 are lower than the stored main on voltage, so that the CPU 2 All input signals in the state where it is determined that the voltage of the multi switch 1 is not higher than the stored main on voltage are ignored.

Thus, if the voltage of the multi-switch 1 is lower than the stored main on voltage in the comparison (S30), the CPU 2 remains in the camera off state as it is and the signal through the A / D input port 21 Checks whether is entered.

However, if the voltage of the multi-switch 1 is higher than the stored main on voltage in the comparison S30, the CPU 2 switches the camera off state to the camera on state and then A / A of the multiswitch 1. It is determined whether the voltage D has changed (S40).

If the user turns the dial 11 so that the intellectual display 111 points to the mode selection switch display 123 while the CPU 2 switches the camera state, the multi-switch 1 The resistance value is varied, and accordingly the variable voltage is input to the A / D input port 21 of the CPU 2.

The mode voltage of the variable multi-switch 1 is lower than the main on voltage and is A / D converted by the CPU 2.

Then, the CPU 2 determines a change in the A / D voltage (S40) to determine whether the A / D voltage is higher than the stored mode voltage (S50).

If the changed A / D voltage is higher than the stored shooting mode voltage in the determination (S50), the CPU 2 sets a shooting mode, and the menu for the shooting mode stored in the internal memory (not shown), that is, step zoom, continuous The driving signal is output to the information display unit 3 so that the user can read the shooting, interval shooting, bulb, and the like.

The information display unit 3 is driven in accordance with a drive signal output from the CPU 2 to display menu information on the mode by letters or predetermined codes.

Then, the user operates the selection switch S2 to select the desired menu while looking at the menu displayed on the information display unit 3, and the CPU 2 inputs the selection input from the first input port 22. The menu is set by determining the number of operation signals output from the switch S2, and a driving signal is output to the information display unit 3 (S120 and S130).

Here, the CPU 2 preferentially sets a menu frequently used by the user among the menus for the stored mode, and if the user does not operate the selection switch S2, the second input port 23 immediately without changing the menu. Check to see if the release switch (S1) is operating.

The information display unit 3 designates a menu set among menus displayed in accordance with a drive signal output from the CPU 2.

At this time, the menu designation may cause the menu to flash or may be positioned in the menu using the cursor, and other methods may be conceived.

Then, the user knows that the desired menu is set by checking the information displayed on the information display unit 3, and if the user wants to perform the shooting at this time, by operating the release first stage switch S11 of the release switch S1 Metering and metering are automatically performed to allow autofocus to be performed, and then the release two-stage switch S12 is operated.

Accordingly, the CPU 2 controls the photographing operation to be performed in response to receiving the operation signal of the second release switch S12 (S140 and S150).

Here, if the user does not operate the release switch (S1), the CPU 2 performs a process (S40) to determine whether the A / D value has changed.

However, if the A / D change value is lower than the mode voltage in the determination (S50), the CPU 2 stores the A / D change value in the stored flash voltage → rewind lock voltage → shooting lock voltage → rewind voltage → main off. The comparison is made in the order of the voltages, but only when the corresponding voltage is lower than the A / D change value (S60 to S100).

If the A / D change value is larger than the voltage to be compared in the judgments S60 to S100, the CPU 2 performs the selection switch S2 as in the case where the A / D change value is higher than the mode voltage (S50). Determining whether the operation of the (S120), changing the menu (S130), and determines whether the operation of the release switch (S1) (S150), and performs the process of performing the photographing (S150) selectively.

However, exceptionally when the A / D change value is greater than the main off voltage, the CPU 2 switches the camera from on state to off state, otherwise it keeps the camera on state from the multi-switch 1. Check that the signal is input.

As described above, the camera of the present invention enables the user to perform mode setting and shooting with a simple operation by varying the operation according to the variable resistance of the multi-switch 1, and the intelligent display 111 is a photographing lock. When in the switch display 127 or in the rewind lock switch display 126, the advanced operation of the camera is realized by performing the following operations.

As an example, in the case of the rewind lock, if the user turns the dial 11 of the multi switch 1 so that the point display 111 is in the rewind lock switch display 125, the CPU 2 rewinds the lock. The mode is set to automatically rewind even when all of the film mounted on the camera is photographed, and is automatically released when the rewind lock mode is released by the user's operation of the multi-switch 1.

The technical problem of the present invention can be achieved by the same configuration and operation as the first embodiment, and the technical problem of the present invention can be solved by changing the function of the multi-switch S1 of the first embodiment as follows.

Here, the present invention is a switch display 12 of the camera function of the multi-switch (S1), that is, the camera main off function and the main on function of the camera function performed by the multi-switch 12 to the multi-switch By separating from S1, the switch operation is simplified.

That is, the present invention does not operate the multi-switch S1 when the separate main off function is set, and operates the multi-switch S1 when the main main function is set. ) Can be much easier to control.

As described above, the present invention can use the variable resistor as a multi-switch to perform the same function as the conventional apparatus using a plurality of switches, furthermore, easy to secure space, low production cost and miniaturization.

Here, an apparatus according to a second embodiment of the present invention is described with reference to FIG.

As shown in Fig. 5, the apparatus according to the second embodiment has the same general configuration as the apparatus of the first embodiment, but multiple resistors R2 to R8 having different resistance values are used in parallel without using a variable resistor as a multi-switch. One end of the parallel connection is connected to the grounded ninth resistor R9 with a predetermined resistance value, and the other end is connected to the A / D input port 21 of the CPU to change the resistors R2 to R8. By doing so, the same function as that of the multi-switch of the first embodiment was performed.

In addition, the apparatus according to the second embodiment is equipped with a variable switch 100 that can move left, right, up, and down so that the resistance value is changed by the user, and thus the same as that of the dial 11 of the first embodiment. Allow the function to be performed.

Therefore, the user can prevent the automatic rewinding noise generated while the user does not recognize in the place where the noise is generated, that is, the quiet place.

When the user rotates the dial 11 so that the pointed display 111 is placed on the shooting lock switch display 127, the CPU 2 sets the shooting lock mode so that the release switch S1 operates. Even if you do not take pictures.

Therefore, the user can prevent the shooting according to the operation of the release switch (S1) generated during the movement.

Therefore, this design makes it possible to integrate multiple camera switches into one device by using a variable resistor capable of varying the resistance as a multi-switch, thereby securing a large number of switch mounting spaces to be considered in the design. It can be done easily.

This design can reduce the size of the camera, reduce the manufacturing cost by eliminating the need to install multiple switches, thereby reducing the production time and reducing the number of CPU input ports.

Claims (5)

A release switch S1 for outputting a signal for starting a photographing operation by the user; A selection switch S2 for outputting a signal for changing a menu in a camera function set by a user; A multi-switch (1) in which resistance values are varied by a user, and each variable resistance value has a switch signal for setting a predetermined camera function; According to the operation of the multi-switch 1, the input analog voltage value is converted into a digital value and compared with the stored setting value to determine a predetermined camera function, and the predetermined camera function is set in the above state. A CPU (2) for setting a menu in a camera function set according to an operation signal of the selection switch (S2) to perform a shooting operation corresponding to a state set when the operation signal of the release switch (S1) is input; And an information display unit (3) for displaying information on a camera function and a menu according to a drive signal output from the CPU (2). The method of claim 1, wherein the multi-switch 1, A switch display 12 of a camera function is formed around the dial 11 so that when the dial 11 points to a predetermined switch display of the switch display 12 of the camera function, a corresponding signal is output. A device using a multi-switch using a resistance. The method of claim 2, wherein the switch display 12, It has a switch display for a plurality of camera functions, among which the display 121 of the main off switch to cut off the power to the camera so that the camera operation is not performed, and to supply the power (VDD) to the camera to perform the camera function A device using a multi-switch using a resistor, characterized in that the display (122) of the main on switch to display in the position adjacent to each other. The method of claim 2, wherein the switch display 12, Using a resistor characterized in that it does not have a display of the main off switch to cut off power to the camera to prevent camera operation, and the main on switch to perform a camera function by supplying power (VDD) to the camera Multi-Switch Device The method of claim 4, wherein the CPU 2, Determining that the input signal is the main on-switch signal, and then receives a predetermined signal output from the multi-switch (1) and controls to perform a camera operation corresponding to the device using a multi-switch using a resistor .