KR0165396B1 - Convergence controlling apparatus - Google Patents

Abstract

The present invention relates to an apparatus for adjusting convergence of a set using a joystick, and comprising: a joystick capable of adjusting up, down, left, and right directions; A joystick interface unit which analyzes the up, down, left, and right directions of the joystick by using an input DC voltage of the joystick using predetermined comparison means; A key board having a plurality of keys; a key board interface unit for analyzing functions of a plurality of keys of the key board; A control unit for mapping a function to generate a corresponding code in a transmitter by receiving a direction of a stick from a joystick and a key on a button keyboard; And a transmitter configured to generate an infrared signal using the control signal of the controller and the control signal obtained from the keyboard scan.

Thus, the joystick can be used to adjust the convergence of the set, making it easy to make adjustments, and providing an effect of preventing the convergence adjustments from being inadvertent by having a password adjusted at the time of convergence adjustment or entry.

Description

Convergence adjuster

1 is a schematic diagram illustrating a conventional convergence adjustment system.

2 is a schematic diagram of a convergence adjustment device according to the present invention.

3 is a schematic diagram for describing the joystick 200 of FIG. 2.

FIG. 4 is a detailed view for explaining in detail the joystick interface unit 202 of FIG.

5 is a key configuration diagram of the key board of FIG.

6 is a state diagram for explaining the function of the controller of FIG.

The present invention relates to an apparatus for adjusting digital convergence, and more particularly, to an apparatus for adjusting convergence of a set using a joystick.

Conventionally, digital convergence adjustment is performed using a remote control or the like. It is very tiring to adjust tens or hundreds of sets on a production line using a remote control.

1 is a schematic diagram illustrating a conventional convergence adjustment system. In FIG. 1, reference numeral 100 is a remote control, 102 is a front control panel of a set, and 104 is a convergence control unit.

Conventionally, the convergence function is mapped to each key of the remote controller 100 for convergence adjustment, and the convergence adjustment is performed, or necessary functions are mapped to the front operation panel of the set so that the convergence adjustment is performed for the key. Was performed. That is, the convergence control unit performs each convergence function by receiving a wireless infrared signal or a signal from a front panel or a wire from a remote controller.

The prior art as described above involves the following problems.

First, by mapping each function of the digital convergence to a remote control key, it is easy to feel tired in the convergence adjustment, which has many repeated adjustment operations. This is a problem that is directly related to the adjustment efficiency in the production line where the convergence operation is frequent or when the product is serviced.

Second, convergence almost never needs to be adjusted again. Therefore, if the user who is inexperienced in adjusting the convergence adjusts the convergence, the image quality may be deteriorated.

Accordingly, an object of the present invention is to draw out to improve the problems of the prior art as described above, and to make a convenient and intuitive adjustment by using a cursor movement and convergence adjustment keys, which are frequently used adjustment keys, with the joystick. To provide a convergence control device.

In addition, another object of the present invention is to provide a convergence adjustment device that allows a user who is inexperienced in convergence adjustment to enter a password when entering the convergence adjustment mode to prevent confusion about the convergence setting of the set.

A convergence adjustment device for achieving the above object, the convergence adjustment device, comprising: a joystick that can be adjusted in the up, down, left and right directions; A joystick interface unit which analyzes the up, down, left, and right directions of the joystick by using an input DC voltage of the joystick using predetermined comparison means; A key board having a plurality of keys; A keyboard interface unit for analyzing functions of a plurality of keys of the keyboard; A controller for mapping a function to generate a corresponding code at a transmitter by receiving a direction of a stick from a joystick and a key from a button keyboard; And a transmitter configured to generate an infrared signal using the control signal of the controller and the control signal obtained from the keyboard scan. Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. 2 is a schematic diagram of a convergence adjustment device according to the present invention. In FIG. 2, reference numeral 200 is a joystick, 202 is a joystick interface unit, 204 is a keyboard board, 206 is a keyboard interface unit, 208 is a control unit, and 210 is a transmitter unit.

3 is a schematic diagram for describing the joystick 200 of FIG. 2.

FIG. 4 is a detailed view for explaining in detail the joystick interface unit 202 of FIG.

5 is a key configuration diagram of the key board of FIG. As shown in Figure 5, the keys of the keyboard are composed of keys such as 'Start', 'Standardization', 'Save'.

6 is a state diagram for explaining the function of the controller of FIG. If the 'start' key on the keyboard is entered, password 1 is generated, otherwise it is waiting. If password 1 occurs, go to stop 1, generate password 2, go to stop 2, generate password 3, go to stop 3, generate password 4, go to stop 4, and go back to the waiting state.

The joystick interface unit 202 analyzes the input DC voltage of the joystick 200 in each of up, down, left, and right directions using a predetermined comparator Comp1-comp4.

Hereinafter, the operation of the joystick interface unit 202 will be described in more detail with reference to FIG. 4. First, the operation of the joystick interface unit 202 for the left and right movement of the joystick will be described.

Assume that the voltage of the L / R terminal is a first voltage (first voltage V1V2). Then, V1 is input to the + terminal of Ccmp1 and the first voltage V1 is input to the-terminal, so that the output of Comp1 is logic 1. The controller 208 recognizes the output of logic 1 of Comp1 as LEFT.

On the other hand, since the first voltage V2 is input to the + terminal of Comp2 and V2 is input to the-terminal, the output of Comp2 is logical 0. The controller 208 recognizes the logic 0 output of Comp2 as RIGHT.

Next, the operation of the joystick interface unit 202 with respect to the vertical movement of the joystick will be described.

Assume that the voltage of the U / D terminal is the second voltage (V1V2 second voltage).

Then, since the second voltage V2 is input to the + terminal of Comp3 and V2 is input to the-terminal, the output of Comp3 is logic 1. The controller 208 recognizes the logic 1 output of Comp3 as DOWN.

On the other hand, since the V1 (second voltage) is input to the Comp4 + stage and the second voltage is input to the-stage, the output of Comp4 becomes logic 0. The controller 208 recognizes the logical 0 output of Comp as UP.

The keyboard interface unit 206 has a key as shown in FIG. 5 so that the remote controller IC (direct circuit) can scan it. The control unit 208 has a control logic to emulate a series of ciphers with one key, which is transmitted from the transmitter 210 in the order of ciphers when the start key of FIG. 4 is inputted using a state machine. Generates a control signal to generate a signal. The transmitter 210 generates an infrared signal by using the control signal of the controller 208 and the control signal obtained from the keyboard scan, and outputs the infrared signal by base-band coding.

The DC voltage according to the direction of the stick input from the joystick block of FIG. 3 is interpreted in the up, down, left and right directions by the comparator of the joystick interface unit and mapped to the movement of convergence. In addition, the button inputs are mapped to indicate the direction of movement of the cursor in combination with the stick direction. The above mapping operation is performed by the controller.

In addition, the keyboard having the arrangement as shown in FIG. 5 causes the corresponding code to be generated when the key of the donor function is pressed when scanning the infrared signal generating micom key at the transmitter, and is also input to the controller to be used for encryption emulation. do. The controller performs a function of mapping functions such that the direction of the stick is input from the joystick and the key is input from the button keyboard so as to generate a corresponding code at the transmitter. It has a control logic to emulate a set of ciphers as 1 key, which generates a control signal so that the code can be generated at the transmitter in cipher order when the start key of FIG. 4 is inputted using a state machine. . The transmitter includes a microcomputer for generating a control code by a signal input from the controller and the keyboard. This code signal is input to the convergence control unit to perform a desired function.

The convergence adjustment device configured as described above enables the easy adjustment by adjusting the convergence of the set by using the joystick, and provides an effect of preventing the convergence adjustment from being inadvertent by inserting a password when entering the convergence adjustment mode.

Claims (1)

A convergence adjustment device, comprising: a joystick capable of adjusting directions in up, down, left, and right directions; A joystick interface unit which analyzes the up, down, left, and right directions of the joystick by using an input DC voltage of the joystick using predetermined comparison means; A key board having a plurality of keys; A keyboard interface unit for analyzing functions of a plurality of keys of the keyboard; A controller for mapping a function to generate a corresponding code at a transmitter by receiving a direction of a stick from a joystick and a key from a button keyboard; And a transmitter configured to generate an infrared signal using the control signal of the controller and the control signal obtained from the keyboard scan.