KR960016430B1 - Screen control system of crt - Google Patents

Abstract

a host computer(30) is connected to a CCD camera position-determining apparatus(100) to photograph the screen of a work television set(10) and a work position-determining apparatus(10') equipping several photo sensors(S1 - S3) setting the position of the work TV set(10), and the host computer(30) is connected to a video pattern generator(20), an image processor(60) and an work monitor(40); the image processor(60) is connected to the CCD camera position-determining apparatus(100) and a video-converting part(90); and a zoom controller(70) is connected to the image processor(60).

Description

Cathode ray tube (CRT) screen adjustment system

1 is a block diagram of a cathode ray tube screen adjustment system according to the present invention.

2 is a side view of a work positioning device and a cd camera positioning device,

3 is a plan view of a work positioning device and a cd camera positioning device,

4 is an exemplary view showing a moving state of the camera fixing plate attached to the CD camera positioning apparatus of the present invention.

* Explanation of symbols for main parts of the drawings

10: TV set for work 10 ': Work positioning device

20: VIDEO PATTERN GENERATOR

30: HOST COMPUTER 40: Job Monitor

50: INTERFACE UNIT

60: IMAGE PROCESSOR

70: Zoom control 80: SYNC distributor

90: video conversion unit (VIDEO MATRAX SWITCHER)

100: CCD camera positioning device

110 ~ 170: CCD camera

S ₁ ~ S ₃ : PHOTO SENSOR

1: holder 2: ' JIG

101: camera fixing plate 102: moving device

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for measuring and adjusting the state of a CATHODE RAY TUBE (CRT) screen of a television or monitor, and in particular, the state of a cathode ray tube (CRT) screen Perform the numerical operation on the host computer (HOST COMPUTER) to which the video signal (VIDEOSIGNAL) captured by the camera is input, and display the result on the working monitor to adjust the screen of the working television set. It relates to a cathode ray tube (CRT) screen adjustment system that allows adjustment of the screen status only report.

A device adapted to measure and adjust the state of a cathode ray tube (CRT) screen of a conventional television (TV) or monitor is a reflector provided to reflect an image of a cathode ray tube and a cathode ray tube, which are objects of measurement and adjustment, to an operator.

The apparatus for measuring and adjusting the state of the screen of the cathode ray tube of the conventional television or monitor as described above is mounted on the top of the pallet so that the cathode ray tube, which is the object of measurement and adjustment conveyed by the conveyor line, is displayed on the screen. The image was output, reflected by a reflector installed at a predetermined inclination toward the image output from the cathode ray tube, and the operator adjusted the state of the screen of the reflected cathode ray tube while viewing the reflector.

The apparatus for measuring and adjusting the state of the screen of the cathode ray tube of the conventional television or monitor as described above allows the operator to measure and adjust while viewing the screen of the cathode ray tube reflected by the reflector. The deviation of the adjustment and measurement was severe according to the working position of the viewer, and the difference in the range of the deviation and the time required for the operation was severe according to the skill of the operator and the quality of the product was not uniform. This lowered productivity.

In addition, the need for skilled workers has increased the burden of labor costs.

Accordingly, the present invention provides a cathode ray tube (CRT) screen adjustment system which can solve all the problems arising in a device that is designed to measure and adjust the state of the cathode ray tube screen of a conventional television or monitor. have.

According to the present invention, a video signal photographing the state of a cathode ray tube (CRT) screen of a working TV using a CCD camera is hosted by an image processor conforming to a measurement algorithm (ALGORITHM) suitable for adjusting a cathode ray tube screen. Its purpose is to provide a cathode ray and (CRT) screen adjustment system that can be transferred to a computer to adjust standard data and errors according to various adjustment items.

The present invention provides a database of adjustment data for each working TV set by transmitting data corresponding to a measurement algorithm suitable for adjustment of a cathode ray tube screen to a host computer by an image processor and adjusting standard data and errors according to various adjustment items. The purpose is to provide a cathode ray tube (CRT) screen adjustment system that is enabled.

In addition, the present invention can be a database of the adjustment data for each TV set for the work, to make the adjustment work more easily, the deviation of the adjustment is remarkably reduced to uniformize the position of the product, and also the time required for adjustment Another object is to provide a cathode ray tube (CRT) screening system that can be reduced to some extent to improve productivity.

It is still another object of the present invention to provide a cathode ray tube (CRT) screen adjustment system which enables precise measurement for high resolution TV adjustment by extending the number of CCD cameras up to 13 units using a video conversion unit. It is.

In order to achieve the above object, the present invention provides a plurality of CDS for capturing a screen of a working TV set 10 through an interface unit 50 of a host computer 30 that processes a program and issues a setting command. Work positioning device with a plurality of optical sensors (S1 to S3) for setting the position of the CD (CCD) camera positioning device 100 of the camera (110 to 170) and the working TV set 10 ( 10 ", wherein the host computer 30 is an image processor for obtaining data by means of a video pattern generator 20 and a programmed measurement algorithm that are adapted to generate a pattern for screen adjustment of the working TV set 10. 60) and a work monitor 40 for displaying a change in the screen state of the work TV set 10, and focusing with the zoom arrangement of the lenses of the plurality of CDD cameras 110-170. Zoom controller 70 is connected It is achieved by a cathode ray tube (CRT) screen adjustment system, characterized in that the image processor 60 is connected to the CCD camera positioning device 100 and the video conversion unit 90.

The above and other objects, features, and effects of the present invention will be more clearly understood by the embodiments described in detail with reference to the accompanying drawings.

1 is a block diagram of a cathode ray tube screen adjustment system according to the present invention. 2 is a side view of a work positioning device and a CD camera positioning device, and FIG. 3 is a plan view of a work positioning device and a CD camera positioning device, and FIG. 4 is a CD of the present invention. It is an exemplary figure which shows the movement state of the camera fixing plate installed in a camera positioning device.

Working TV Set 10 In constructing a device for measuring and adjusting the screen of a cathode ray tube, the working TV set 10 is configured to generate a pattern PATTERN suitable for the adjustment item from the video pattern generator 20. It is an object of measurement and adjustment that is supplied so that an operator adjusts by outputting an image on a screen of a cathode ray tube (CRT).

The work positioning device 10 ′ is mounted on the upper end of the pallet as shown in FIGS. 2 and 3, and is transported through a conveyor line. A device for automatically and accurately setting (set) the set 10 at the position of an operator performing a measurement and adjustment process, the work television (TV) set 10 loaded in a crooked state on the top of the pallet On the holder (1) that corrects and locks 'JIG (2) of the type is installed, said' Three 'PHOTO SENSEOR' (S ₁ ) sensing the state (i.e. position) of the work TV set 10 on the side and front of the JIG 2. S ₂ ) is attached, and the fixed stand 1 for correcting and fixing the work TV set 10 to the correct position is a programmable logic controller that receives a drive command signal output from the host computer 30. It is fixedly installed at the end of the cylinder rod which is moved forward and backward by the drive signal of (PROGRAMMABLE LOGIC CONTROLLER: PLC).

In addition, the work positioning device 10 'is a program in which a drive command signal output from the host computer 30 is installed inside the work positioning device 10' through the interface unit 50. When transmitted to a mutable logic controller PLC, the programmable logic controller PLC transmits a drive signal for driving a cylinder installed in the holder 1 to the cylinder, and drives from the programmable logic controller PLC. The cylinder, which receives the signal, is activated and moves to the working TV set 10. The fixture 1 installed with the jig 2 of the type is advanced to the work TV (TV) set 10, and installed on the work stand (1) advanced to the work TV (TV) set (10). Each of the '3's attached to the side and front portions of the jig 2 of the' type 'sets the working television (TV) set 10 at the moment when the light sensors S ₁ to S ₃ are both turned ON. You can see that it is set correctly.

The video pattern generator 20 supplies a pattern suitable for the adjustment item to be adjusted to the working television set 10. The video pattern generator 20 provides a GPIB (GENERAL PURPOSE INTERFACE BUS) of the host computer 30. It is possible to supply the required pattern by the control signal output through.

The host computer 30 is a conventional '16' bit computer which is designed to operate as a host computer in a system operating as a plurality of computers. The host computer 30 processes a program and issues a setting command. Work with the CD camera positioning device 100 combined with a plurality of CD (CCD) cameras 110 to 170 to shoot the screen of the TV set 10 for work through the interface unit 50 The host computer 30 is connected to a work positioning device 10 'equipped with a plurality of optical sensors S ₁ to S ₃ to accurately set the position of the television set 10. Screen of the work TV set 10 obtained by the video pattern generator 20 and the CDD cameras 110 to 170, which are to generate a pattern required for screen adjustment of the work TV set 10. To obtain data for a programmed metrology algorithm The image processor 60 and the working display 40, which displays (DISPLAY), a change in the display state of the working television (TV) set 10 is connected.

The interface unit 50 includes various signals of the work positioning device 10 'and a drive signal of a motor of the CCD camera positioning device 100 and a host computer 30. A device acting as an interface between the terminals, and the input or output of signals required for driving various external mechanical parts can communicate with the host computer 30.

IMAGE PROCESSOR 60 is a working television (TV) set (10) obtained by a conventional image processor, CDD cameras 110-170, which processes information contained in an image using a computer. In the memory MEMORY, the data DATA for the screen of the ()) is stored in the memory MEMORY so that the command reception and the data transfer are possible by the control signal to the host computer 30.

ZOOM CONTROLLER 70 adjusts the focus of the CCD camera 110-170 lens and the magnification and aperture of each TV INCH by its own program. A device for controlling a state, which is connected to the image processor 60.

The SYNC divider 80 generates a synchronization signal generated by the video pattern generator 20 when it is desired to obtain an image signal of the TV set 10 for work through the CCD cameras 110 to 170. If it is not matched with the correct image input is not possible to simultaneously input the synchronization signal to the multiple CD (CCD) camera (110 ~ 170).

The video conversion unit (VIDEO MATRIX SWITCHER) 90 is to switch the input and output signals in the form of a matrix (MATRIX), a CCD camera (110) using a matrix-shaped switch (110) The number of units of 170 can be extended as much as possible, and the output signal for the input can be controlled programmatically.

The CCD camera positioning apparatus 100 includes a plurality of CDD cameras 110 for photographing the screen of the television set 10 for work as shown in FIGS. 2 and 3. 170 is installed on the camera fixing plate 101, and the camera fixing plate 101 on which the CDD cameras 110 to 170 are installed is moved forward and backward as shown in FIG. Movement to be operated by motor, screw rod and screw nut to be adjusted by X-axis movement, vertical movement (ie Z-axis movement) and horizontal movement (ie Y-axis movement) and arbitrary inclination (θ) It is installed in the device 102, the inside of the mobile device 102 is installed in the motor control (MOTOR CONTROL) for controlling the motor, the size of the cathode ray tube (CRT) of the television set 10 for work To accommodate a wide range of inch sizes from 14 to 33 inches (INCH), ZOOM LINS has been It is installed in the Mera (110-170).

Hereinafter, the operation relationship and effects of the cathode ray tube screen adjustment system according to the present invention.

When the '14' inch (INCH) sized working television (TV) set 10 is loaded on the top of the pallet and transported to the position of the operator performing the measurement and adjustment process through the conveyor line, the measurement and adjustment process is performed. A setting command signal is output from the host computer 30 so that the work TV set 10 having a size of 14 'inch conveyed to the worker's position is set correctly by the work positioning device 10'. The work positioning device 10, which is transmitted to the programmable logic controller PLC of the work positioning device 10 'through the interface unit 50, and receives the setting command signal from the host computer 30. ')' S programmable logic controller (PLC) The jig (2) of the 'type (1) is installed to transmit the drive signal to the cylinder fixed to the fixture (1) to be advanced to the set of work (TV) of the size (14) inch (10) The cylinder receiving the driving signal from the program logic controller PLC operates.

The fixed stand 1 fixed to the end of the working cylinder rod of the work positioning device 10 'is advanced to a set of working televisions (TVs) of size' 14 'inches, and the working televisions ( TV) is installed on the fixed stand (1) advanced to the set (10) '3' light sensors (S ₁ to S ₃ ) attached to the side and front portions of the 'type jig (2) to detect the position and condition of the work set (TV) set 10 of the' 14 'inch size The signals detected by the '3' optical sensors S ₁ to S ₃ attached to the jig 2 are transmitted to the host computer 30 through the interface unit 50.

The work positioning device 10 transmitted to the host computer 30 is a set of work TVs having a size of 14 inches by the signals of the three light sensors S ₁ to S ₃ . The host computer 30 recognizes that is correctly set.

That is, the work positioning device 10 ' When the '3' optical sensors S ₁ to S ₃ attached to the 'type jig 2 are all turned on, the detection signal is transmitted to the host computer 30 through the interface unit 50. And the host computer 30 recognizes that the '14 inch sized working television (TV) set 10 is correctly set in the work positioning device 10 '.

The signal output from the host computer 30 through the interface unit 50 is a plurality of CDDs for capturing a cathode ray tube (CRT) screen of a work TV set 10 having a size of 14 '. ) Is transmitted to a motor controller in the mobile device 102 of the CCD camera positioning device 100 by installing the cameras 110 to 170 on the camera fixing plate 101, A motor is driven by the motor, and the moving device 102 operated by the motor, the screw rod and the screw nut is operated by the driven motor, and the camera fixing plate is provided with a plurality of CDD cameras 110 to 170. (10) accurately sets positions such as forward and backward movements (i.e., X-axis movements), shanghai movements (i.e., Z-axis movements), left and right movements (i.e., Y-axis movements), and tilt (θ).

The host computer 30 is provided with the data of the '14' inch sized work television (TV) set 10 set in the work positioning device 10 'and the CDC camera and the positioning device 100. The data of the camera fixing plate 101 in which the respective CD cameras 110 to 170 are set are compared.

The control signal is transmitted from the host computer 30 to the image processor 60 by the compared data, and the image processor 60 executes its own program by the control signal transmitted from the host computer 30. The control signal is transmitted to the zoom controller 70 by the data executed from the image processor 60.

The zoom controller 70 receiving the control signal from the image processor 60 is a CDD to fit the inch size of the cathode ray tube (CRT) of the TV set 10 of the '14' inch size. The focus of the lens unit 110 to 170 and the magnification of the aperture are adjusted to have an optimal state.

The control signal output from the host computer 30 recognizing that the working television set 10 is correctly set in the work positioning device 10 'is a video pattern generator via GPIB (GENERAL PURPOSE INTERFACE BUS). The video pattern generator 20 generates a pattern PATTERN adapted to the adjustment item to be adjusted by the signal transmitted from the host computer 30, and the video pattern generator 20. The pattern generated (ie, generated) in is supplied to a working TV set 10 of size '14' inches.

An image is output to a cathode ray tube of a television set 10 for work, which receives the pattern output from the video pattern generator 20, and the output image is a plurality of CCD camera positioning apparatuses 100. The image signal photographed by the CCD cameras 110 to 130, and the image signals photographed by the CCD camera positioning devices 110 to 130 are transmitted to the image processor 60.

The image signal transmitted to the image processor 60 is data DATA by a programmed measurement algorithm ALGORITHM, and the data signal is stored in the memory MEMORY of the image processor 60. The received signal is transmitted to the host computer 30.

The host computer 30 receiving the data signal output from the image processor 60 executes the numerical operation of the transmitted data signal by its own program, and the result obtained by the execution is transmitted to the job monitor 40. The data transmitted to the work monitor 40 is displayed.

Accordingly, the screen state of the cathode ray tube (CRT) is changed as the operator varies the variable resistance for adjustment inserted into the printed circuit board (PCB) of the '14' inch TV set 10. Is displayed on the screen of the working monitor 40.

The operator can adjust the screen of the working television (TV) set 10 of the 14-inch size while watching only the screen of the working monitor 40.

On the other hand, when making high-definition measurement and adjustment of the high-definition television set 10, a 33-inch INCH size television set 10 is loaded on the top of the pallet to convey the conveyor line. When the machine is moved to the position of the operator who performs the measurement and adjustment through the work positioning device 10 ', the set of work TV (TV) 10 having a size of 33' is transferred to the position of the operator who performs the measurement and adjustment. The setting command signal is transmitted from the host computer 30 to the programmable logic controller (PLC) of the work positioning device 10 'through the interface unit 50 so that the setting can be made accurately by the host computer 30. The programmable logic controller (PLC) of the work positioning device 10 'that has received the setting command signal from The jig (2) of the 'type jig (1) is installed to transmit the drive signal to the cylinder fixed to the stator (1) to advance to the set (33) size TV (10) for work. The cylinder receiving the driving signal from the programmable logic controller PLC operates.

The fixing stand 1 fixed to the end of the rod of the working cylinder of the work positioning device 10 'is advanced to a working television (TV) set 10 of a 33' inch size. (TV) installed on the fixture (1) advanced to the set (10) '3' light sensors (S ₁ to S ₃ ) attached to the side and front of the 'type jig (2) to detect the position and status of the set 33 (33) inch work TV (TV) The signals detected by the '3' photo sensors S ₁ to S ₃ attached to the jig 2 are transmitted to the host computer 30 through the interface unit 50.

The set of work televisions (TV) having a size of 33 inches by the signals of the three light sensors S ₁ to S ₃ of the work positioning apparatus 10 transmitted to the host computer 30. The host computer 30 recognizes that is correctly set.

That is, the work positioning difference 10 ' When the '3' optical sensors S ₁ to S ₃ attached to the 'type jig 2 are all turned on, the detection signal is transmitted to the host computer 30 through the interface unit 50. The host computer 30 recognizes that the TV set 10 of the 33 'inch size is correctly set in the work positioning device 10'.

The signal output from the host computer 30 is a plurality of CDD cameras for capturing the sound dry screen of the TV set 10 for a 33 'inch size through the interface unit 50. 110 to 170 are installed on the camera fixing plate 101 and transmitted to a motor control in the moving device 102 of the CDD camera positioning device 100, and the signal is transmitted by the signal transmitted to the motor control. The motor in the moving device 102 of the CCD camera positioning device 100 is driven, and the moving device 102 operated by the motor, the screw rod, and the screw nut is operated by the driven motor. The camera fixing plate 101 on which the CDD cameras 110 to 170 are installed has a forward and backward movement (X-axis movement), a left-right movement (Y-axis movement), and a Shanghai movement (shown in FIG. 4). Z-axis movement) and the position of inclination (θ) are set correctly.

The host computer 30 includes a data DATA and a CDD camera positioning apparatus 100 of a 33 'inch sized working television (TV) setting 10 set in the work positioning apparatus 10'. Data of the camera fixing plate 101 in which each of the CD cameras 110 to 170 are set are compared.

The control signal is transmitted from the host computer 30 to the image processor 60 by the compared data, and the image processor 60 receiving the control signal output from the host computer 30 is controlled by its own program. The signal transmitted to the zoom controller 70, and the signal transmitted from the image processor 60 to match the size (inch) to the inch (INCH) of the cathode ray tube of the TV set 10 '33' size. The focus of the lens (LENS) and the magnification of the aperture of the CCD cameras 110 to 170 are adjusted to an optimal state.

The control signal of the host computer 30 is transmitted to the video pattern generator 20 through GPIB (GENERAL PURPOSE INTERFACE BUS), and the pattern is adapted to the adjustment item to be transmitted by the signal transmitted from the host computer 30. This video pattern generator 20 is generated, and the pattern generated by the video pattern generator 20 is supplied to a working television (TV) set 10 of size 33 '.

The pattern transmitted from the video pattern generator 20 is output on a cathode ray tube screen of a work TV set 10 having a size of 33 inches, and the output image is a CCD camera positioning device. It is photographed by the CCD cameras 110 to 130 of 100.

At this time, a control signal for controlling the video conversion unit 90 from the host computer 30 is transmitted to the image processor 60, and the control signal output from the host computer 30 is recognized by the image processor 60. By driving the video switching unit 90 to switch the input and output signals in the form of a mattress, the video conversion unit 90 by the drive signal of the image processor 60 is as many as the number of CD (CCD) The number of cameras 140 to 170 (for example, a maximum of 13 units) is extended to capture a cathode ray tube (CRT) image of a size of a TV set 10 for a 33 'inch.

Image signals photographed by the respective CCD cameras 110 to 130 of the CCD positioning device 100 are directly transmitted to the image processor 60, and the video conversion unit 90 The video signal photographed from the extended CCD cameras 140 to 170 is transmitted to the image processor 60 through the output side of the video conversion unit 90 in the form of a mattress, and to the image processor 60. The matured video signal is dataized by a programmed measurement algorithm.

The image signal data data by the image processor 60 is stored in the memory (MEMORY), the data of the data image data is transmitted to the host computer 30 by the read signal of the host computer 30, Numerical calculation is performed on the host computer 30 with the data signal transmitted from the image processor 60 by its own program.

The result executed in the host computer 30 is transmitted to the work monitor 40 and displayed on the screen of the work monitor 40.

In this case, the image data displayed on the working monitor 40 image is image data which is easy to measure in high resolution.

Thus, as the operator varies the variable resistors inserted into the printed circuit board (PCB) of the 33 'size TV set 10, the operator sets the TV set 10. The change of the cathode ray tube (CRT) screen state is displayed on the working monitor 40, so that the operator can easily and accurately perform high-resolution measurement and adjustment of the 33-inch-size working television set 10. .

On the other hand, the pattern generated by the video pattern generator 20 when the video signal output to the cathode ray tube (CRT) of the television set (10) for work through the CCD camera (110-170) When the signal and the recording signal input of the CCD cameras (110 to 170) do not match each other, accurate image signal shooting is impossible, so that the CDs having a plurality of CDD cameras (110 to 170) are mounted. (A synchronizing signal output from the sync distributor 80 is simultaneously input to the CCD camera positioning signal 100, thereby obtaining an accurate image.

As described above, the present invention captures the image of the working TV set and the screen using a CCD camera and uses the image processor to obtain data suitable for a measurement algorithm suitable for screen adjustment of the working TV set 10 using an image processor. The result of the calculation is displayed on the work monitor so that the screen adjustment of the work TV set can be performed by only reporting the screen status of the work monitor so that the adjustment can be performed more accurately and easily. By minimizing mistakes in the adjustment process, the quality of the product can be equalized and the time and effort required for the adjustment can be minimized.

In addition, by using the video conversion unit can be extended to the maximum number of 'similar' cameras to '13' units to enable high-resolution TV measurement and adjustment.

Claims (3)

The host computer 30, which processes the program and issues setting commands, is connected to the plurality of CDD cameras 110-170 for capturing the screen of the working television set 10 through the interface unit 50. Work positioning device (10 ') with a plurality of optical sensors (S ₁ ~ S ₃ ) for setting the position of the CCD camera positioning device 100 and the working television (TV) set 10 The host computer 30 is connected to a video pattern generator 20 configured to generate a pattern necessary for screen adjustment of the television set 10 for work, and an image processor obtaining data by a programmed fall algorithm. 60) and a zoom ratio and focus of the plurality of CCD cameras 110-170, connected to a work monitor 40 for displaying a change in the screen state of the work TV set 10; Zoom controller 70 to connect Cathode ray tube (CRT) screen adjustment system, characterized in that by connecting the image processor 60 to the CCD camera positioning device 100 and the video conversion unit 90. According to claim 1, The video conversion unit 90 and the image processor 60 and the CD 60 camera 110 to install the CCD camera (110 ~ 170) up to '13' Cathode ray tube (CRT) screen adjustment system, characterized in that the connection between. The sync distributor (80) of claim 1, wherein when the video pattern generator (20) is synchronized with the video pattern generator (CCD) cameras 110 to 170, the synchronization signal is not input correctly. Cathode ray tube (CRT) screen adjustment system, characterized in that connected to the CD (CCD) camera positioning device (100) through.