JPH08251498A - Pattern display controller - Google Patents

Abstract

PURPOSE: To attain adjustment even by a person not knowing expert intelligence by conducting white balance adjustment, focus adjustment, brightness adjustment, contrast adjustment, sharpness adjustment and amplitude adjustment without switching a video image having been on screen so far. CONSTITUTION: A microcomputer 1 receiving the command of white balance adjustment, focus adjustment, brightness adjustment, contrast adjustment, sharpness adjustment and amplitude adjustment from a control panel 3 receives the designation of adjustment image display from the control panel. Then the microcomputer 1 analyzes the kind of the designated adjustment and calculates the image of output characters required for the adjustment through arithmetic operation and discriminates kinds of the adjustment contents. Then the microcomputer 1 discriminates kinds of an optimum image for each adjustment content, and extracts character data optimum to each adjustment from a ROM 4. Furthermore, the microcomputer 1 designates the display position of the characters for an on-screen character display device 2 depending on various adjustment contents.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to white balance adjustment, focus adjustment, bright adjustment, contrast adjustment, sharpness adjustment, amplitude adjustment for TVs (television receivers) and display monitor television sets (hereinafter referred to as monitor TV sets). It relates to the display of patterns.

[0002]

2. Description of the Related Art Conventionally, for white balance adjustment, focus adjustment, brightness adjustment, contrast adjustment, sharpness adjustment, and amplitude adjustment in a monitor TV set, a device having a signal generating function is separately prepared in advance,
Alternatively, a signal generator incorporated in the monitor TV set is used to output a dedicated signal or character for various adjustments for adjustment.

FIG. 8 is a block diagram of a conventional monitor TV set for performing white balance adjustment, focus adjustment, bright adjustment, contrast adjustment, sharpness adjustment, and amplitude adjustment. The monitor TV set 21 is the external signal source 22 or the monitor TV set 2
1. A character generator 23 that outputs a dedicated image for adjustment prepared inside 1 is used, and the output image is set to an image type suitable for each adjustment. By inputting the signal output from the external signal source 22 or the character generator 23 to the monitor TV set 21 to be adjusted, the image of the adjusted monitor TV set 21 is switched from the normal image to the adjustment image. In this state, each adjustment is performed on the operation unit 24 of the monitor TV set 21, and the adjustment is repeated until the desired adjustment result is obtained.

[0004]

However, in the above-mentioned conventional configuration, in order to perform various adjustments, a signal generator capable of generating a signal of a type suitable for each adjustment is provided inside or outside the monitor TV set. It is very difficult to make various adjustments if the above device is not prepared, and even when the above device is prepared, it is necessary to make adjustments in order to switch to a dedicated image for adjustment. However, there is a problem that simple adjustment cannot be performed while continuously checking the images up to.

The present invention solves the conventional problems.
Especially for easy white balance adjustment, focus adjustment, brightness adjustment, contrast adjustment, sharpness adjustment, and amplitude adjustment without preparing a device with a dedicated signal generation function or as a dedicated character generator inside the monitor TV set. It is an object of the present invention to provide a screen display control device capable of simplifying the structure of a monitor TV set for displaying characters and making various adjustments.

[0006]

In order to achieve this object, a screen display control device of the present invention is an on-screen character display device for displaying a screen of various information incorporated in a monitor TV set. A microcomputer for controlling the on-screen character display device, a ROM for storing character data to be output to the on-screen character display device, and a control device serving as an input device for requesting adjustment character pattern display. It has a configuration including.

[0007]

With this configuration, in addition to displaying various information of the monitor TV set currently displayed at the time of white balance adjustment, focus adjustment, brightness adjustment, contrast adjustment, sharpness adjustment, and amplitude adjustment, it is possible to specify a specific information on the monitor TV set screen. An image suitable for each of white balance adjustment, focus adjustment, bright adjustment, contrast adjustment, sharpness adjustment, and amplitude adjustment can be displayed at a location.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A screen display control device according to an embodiment of the present invention will be described below with reference to the drawings. Figure 1 shows the white balance adjustment by the on-screen character,
The block block diagram regarding the display of each adjustment pattern of focus adjustment, bright adjustment, contrast adjustment, sharpness adjustment, and amplitude adjustment is shown.

In FIG. 1, reference numeral 1 is a microcomputer, 2 is an on-screen character display device for displaying various information on the screen, and the on-screen character display device 2 is controlled by the microcomputer 1. Reference numeral 3 denotes a control panel such as a push switch or a remote controller for acquiring a request from the outside, which serves as an input device for requesting the adjustment character pattern display. A ROM 4 stores on-screen character data to be output to the on-screen character display device 2.

Next, the operation of the above apparatus will be described. In a normal use state, the microcomputer 1 operates in response to various external requests from the control panel 3, and the microcomputer 1 operates the monitor T.
RO character data according to the situation is displayed on the V set screen.
The combination of characters and numbers to be displayed by reading from M4 is calculated and transmitted to the on-screen character display device 2. The on-screen character display device 2 that has received the data from the microcomputer 1 adds the received data to the video signal in the form of a character signal and outputs it as an image of the monitor TV set.

Further, the microcomputer 1, which has received the instruction from the control panel 3 to perform white balance adjustment, focus adjustment, bright adjustment, contrast adjustment, sharpness adjustment, and amplitude adjustment, further receives from the control panel 3 an image display for adjustment. By receiving the designation, the type of the designated adjustment is analyzed, the image of the output character required for the adjustment is calculated by calculation, and the type of the adjustment content is determined. Then, the microcomputer 1 determines the optimum image type for each adjustment content, and stores the optimum character data for each adjustment in the ROM.
Take out from 4.

The microcomputer 1 which takes out the character data from the ROM 4 specifies the character data and the display position of this character on the on-screen character display device 2 according to various adjustment contents. The on-screen character display device 2 which has received the data from the microcomputer 1 adds the received data to the video signal in the form of a character signal and outputs it as an image of the monitor TV set.

As a result of the above processing, in the example of the screen display during adjustment in reference numeral 6 in FIG. 2, several to ten or so characters are displayed in white near the center of the screen indicated by reference numeral 5 in FIG. By displaying several large frames and arranging one large frame, it is possible to display a character pattern that serves as a window for white balance adjustment.

Reference numeral 7 in FIG. 3 shows a display example of an on-screen character for determining focus at a plurality of points during focus adjustment, and reference numeral 8 in FIG. 4 shows a display example for an on-screen character for determining light and shade during bright adjustment. 5, reference numeral 9 in FIG. 5 shows a display example of an on-screen character for determining light and shade during contrast adjustment, and reference numeral 10 in FIG. 6 shows a display example for an on-screen character for determining fineness during sharpness adjustment, Reference numeral 11 in FIG. 7 shows a display example of an on-screen character for determining the size of the display screen during amplitude adjustment.

According to the above-described embodiment, the on-screen character display device originally displayed on-screen character characters on the screen for the purpose of transmitting various states of the monitor TV set and various information displays to the user. By devising control, it is possible to output the adjustment image required for various adjustments such as simple white balance adjustment, focus adjustment, bright adjustment, contrast adjustment, sharpness adjustment, and amplitude adjustment.

Since the adjustment image can be output without switching the displayed image to the adjustment image, white balance adjustment, focus adjustment, bright adjustment, contrast adjustment, sharpness can be obtained while continuously checking the image. Adjustment and amplitude adjustment can be performed.

[0017]

As described above, according to the present invention, a white balance adjustment, a focus adjustment, a bright adjustment, a contrast adjustment, a sharpness adjustment, and an amplitude adjustment are not required, and a special signal generator is not particularly required. Balance adjustment, focus adjustment, bright adjustment, contrast adjustment, sharpness adjustment, amplitude adjustment can be performed without switching the image that was output to the screen until then, white balance adjustment, focus adjustment, brightness adjustment, contrast adjustment An operator who does not have specialized knowledge about sharpness adjustment and amplitude adjustment can easily perform adjustment.

[Brief description of drawings]

FIG. 1 is a configuration block diagram of a screen display control device according to an embodiment of the present invention.

2 is an example of a character display during white balance adjustment in the screen display control device of FIG.

FIG. 3 is a diagram showing an example of character display during focus adjustment in the screen display control device of FIG.

FIG. 4 is a diagram showing an example of character display during bright adjustment in the screen display control device of FIG.

5 is an example of a character display during contrast adjustment in the screen display control device of FIG.

FIG. 6 is a diagram showing an example of character display during sharpness adjustment in the screen display control device of FIG.

7 is a diagram showing an example of character display during amplitude adjustment in the screen display control device of FIG.

FIG. 8 is a configuration block diagram of a conventional screen display control device for performing various adjustments.

[Explanation of symbols]

 1 Microcomputer 2 On-screen character display device 3 Control panel 4 ROM

Claims (1)

[Claims] 1. An on-screen character display device for displaying various information on a screen, a microcomputer for controlling the on-screen character display device, and character data to be output to the on-screen character display device. Equipped with a ROM and a control device that is an input device that makes various adjustment character pattern display requests, and performs white balance adjustment, focus adjustment, bright adjustment, contrast adjustment, sharpness adjustment, and amplitude adjustment at a specific location on the screen. A screen display control device characterized in that any one of the character patterns for displaying is displayed.