KR19990032565A - Television with multi-user environmental storage function - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television having a function of setting and storing a viewing environment in which a plurality of users prefer each other. When a single television is used by a large number of users, they can set their preferred television environment (color, volume, etc.) and save it, and select the setting state displayed on the screen without resetting the environment each time they watch TV. An invention that can be viewed is presented. The remote control unit includes an environment setting unit and a storage unit for setting and storing a user's preferred television environment, and an OSD processing unit controlled by the microcomputer to display the stored setting environment on the main screen of the television. In combination with the demodulation IC, it is an invention that each user can select and watch the environment of the stored state displayed on the screen when he wants to watch television.

Description

Television with multi-user environmental storage function

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an environment storage apparatus of a television, which allows a user to adjust and store an environment related to a color, a volume, and the like of a television so that the television can be always viewed in the environment. In particular, when a single television is used by a large number of users, a multi-user television environment storage device that can be selected and viewed by checking the on-screen OSD text message when the user wants to set and store a preferred television environment for viewing. A television state memory apparatus for users.

In general, a television user can adjust color, contrast, resolution, and volume of a color using a remote controller. 1 is a schematic block diagram of a general television that the user can adjust and store the display environment of the television as described above and always watch in a constant environment.

An antenna 1 for receiving a composite video signal transmitted from a broadcasting station, a tuner unit 2 for tuning a broadcast channel to be watched among the video signals input from the antenna 1, and an input from the tuner unit 2 IF amplification section (3) for amplifying the intermediate frequency of the video signal, the main demodulation IC (4) for receiving the video signal from the IF amplification section (3) for demodulating video and audio, the main demodulation IC ( 4) According to the control signal of the microcomputer 7 in response to the external input signal by the image amplifier 5, the remote controller, etc. for power amplifying and displaying the image signal input from the CRT 6, various necessary on the screen In order to display characters, the main demodulation IC 4 is provided with an OSD processing section 8 which provides an OSD signal.

In the conventional television, the environment of the television in a user's preferred condition is adjusted and set, and stored in the memory of the television. In other words, while viewing the OSD screen displayed on the screen by using a remote controller, it adjusts and sets the color, contrast, brightness and volume state of the television. The set environment is stored in the television, so that the user can watch in the state which has already been set and stored when the television is watched before the user changes the setting environment. However, it is common for many people to use one television. Many users may have different states such as color, contrast, brightness, and volume. The above-mentioned conventional television can store only one environment. Therefore, if multiple users adjust to their preferred environment, each user Re-adjust every time the television is used, and there is a problem in that the equipment such as the television and the remote controller due to such frequent environment adjustment.

The present invention has been made to solve the problems of the conventional television, an object of the present invention is to provide a preference setting unit and a storage unit in the television when a plurality of users use a television, each user has their own preference environment By setting and storing each, the environment status of each suited user is displayed on the screen by the OSD screen, so that each user can select and watch the environmental message on the OSD screen without readjusting the environment when watching television. .

1 is a block diagram of a typical television

2 is a block diagram of a television having a multi-user environmental storage function of the present invention;

3 is a detailed block diagram of an OSD processing unit which is a main component of FIG. 2;

4 is a view for explaining an OSD implementation by the OSD processing unit of FIG.

5 is a diagram for explaining an embodiment of an OSD display.

<Description of the reference numerals for the main parts of the drawings>

1, 10: antenna 2: tuner section

3: IF amplifier 4, 30: main demodulation IC

5, 40: Video amplifier 6, 50: CRT

7, 70: micom 8, 80: OSD processing unit

20 television signal processing unit 60 external input unit

90: environment setting unit 100: storage unit

200: input circuit portion 210: control circuit portion

220: display lamp 230: character storage ROM

240, 320: timing generator 250, 310: oscillator

260: shift register 270: display control unit

280: display position circuit unit 290: horizontal synchronous counter

300: synchronization signal switching unit 330: video output unit

Hereinafter will be described in detail the configuration and operation of the embodiment of the present invention that can achieve the above object of the present invention.

An antenna 10 for receiving a composite video signal from a broadcasting station, and a tuner section for tuning a broadcast channel to be watched among the composite video signals input from the antenna 10, and an intermediate frequency amplifier section for video and audio signals of a television. A television signal processor 20 for processing, a main demodulation IC 30 for demodulating a video signal input from the television signal processing unit 20, and an amplified input signal from the main demodulation IC 30, and the CRT An external input unit 60 made of a video amplifier 40 for display on the display, a remote controller for transmitting various control signals such as channel switching and control signals for adjusting the environment such as color, contrast and volume of the television. ), The setting unit 90 for setting the environment of the television according to the control signal input from the external input unit 60, and storing the environment for which the setting is completed in the setting unit 90. It provides the control signal required for the storage unit 100, the television signal processing unit 20 and the setting unit 90, and receives the control signal of the external input unit 60 and the environmental storage data of the storage unit 100 In addition to the OSD control signal, the microcomputer 70 for providing the OSD processing unit 80 and the OSD control signal inputted from the microcomputer 70 to the main demodulation IC 30 are provided to the CRT 50. OSD is configured to display the text to the text processing unit 80.

Hereinafter will be described in detail the operation of the configuration of the present invention. In order to control the color, contrast and volume of the television from an external input unit 60 such as a remote controller, the corresponding signal is transmitted to the microcomputer 70 to display OSD text and graphics on the screen. The user transmits a corresponding signal from the external input unit 60 to adjust to a television environment such as color or volume of a user's preferred state while watching the OSD display on the screen. The microcomputer 70 of the television receiving the control signal provides the control signal to the setting unit 90, and the setting unit 90 sets the television environment according to the adjustment state of the user. In order for the user to continuously use the environmental state of the television set as described above, the external input unit 60 transmits a storage signal. Upon receiving the storage signal, the microcomputer 70 provides the OSD control signal to the OSD processing unit 80 to display the OSD screen as shown in FIG. Since there is text information for a plurality of storage locations, the user selects and stores the text, but writes a name or writes a specific mark using the external input unit 60, and then stores the environment. The storage unit 100 is configured to use a plurality of memories or to be separately stored in one memory to sequentially store the television environment set by a plurality of users, respectively, without overwriting the previously set and stored environment.

In this way, if the power of the television is turned on while the environment of each user's preferred state is stored, the environment of the television is outputted to the watching television environment at the time of turning off the power. When the power of the television is turned on, under the control of the microcomputer 70, the OSD processing unit 80 displays the environment storage message information as shown in FIG. 4 as OSD characters. At this time, the user can find the environment stored by the user, the external input unit 60 can send the environment change signal to the television to watch the changed television environment.

The display of the environmental storage message of FIG. 4 as OSD characters on the screen by the operation of the external input unit 60, the microcomputer 70, and the OSD processing unit 80 will be described in more detail. 3 is a detailed block diagram of the OSD processing unit 80, which is a main component of the present invention.

By the control operation of the external input unit 60, the input circuit unit 200 for inputting the clock and data suitable for OSD display from the microcomputer 70, and for processing the input clock signal and data of the input circuit unit 200 The control circuit unit 210, the display RAM 220 for receiving the clock and data output from the control circuit unit 210, and stores a preset character or graphic, and for the character that should be displayed from the display RAM 220 Receives a text signal input by the user from the character storage ROM 230, the display RAM 220 receives the output signal, and the predetermined character signal output from the character storage ROM 230 through the shift register 260 Input from the display control unit 270, the synchronization signal switching unit 300 for switching the horizontal and vertical synchronization signal input from the synchronization separator not shown, input from the synchronization signal conversion unit 300 The H-counter 290, the H-counter 290 signal, the vertical-synchronous signal, and the timing of the timing generator 240 counted by the horizontal sync signal and the timing pulse of the timing generator 240. Display position circuit unit 280, oscillation unit 310 and the above H counter 290, display for receiving the pulse input display position control signal of the OSD character to the timing generating unit 320 and the display control unit 270 Timing pulse generator 320 for generating timing pulses by receiving control signals from the position circuit unit 280 and the display controller 270, and timing pulses from the timing generator 320 and OSD signals from the display controller 270. NTSC video output unit 330 for receiving and displaying the OSD characters on the CRT ().

3 is a view for explaining the principle of displaying the OSD characters on the screen by the operation of the OSD processing unit having the above configuration. As shown in FIG. 3, the character display area is determined by the H counter 290 and the vertical synchronization. In this way, the character is displayed on the video display of the television in the designated character display area.

4 is an example of an OSD display for storing a television environment of the present invention. Since many users use it, a plurality of storage places are provided, and each user stores the environment of the television set by each user from the top. At this time, by using the external input unit 60, the user's name or type of broadcast program can be written and stored in memory. By doing so, one user can set and store a television environment in a preferred state according to the type of program (drama, music, sports, etc.).

As described above, the present invention sets a preferred television environment (color, volume, etc.) when a single television is used by a large number of users, stores it, and saves it. The user can select and watch the setting status displayed on the screen, and the user can set and save the environment of the user's preferred television by using a remote controller. The OSD processing unit controlled by the microcomputer can be combined with the main demodulation IC of the television so that each user can select and watch the environment of the stored state displayed on the screen when the user wants to watch the television.

Claims (3)

In a television including a main demodulation IC (30) and an OSD processing unit (80) having an environmental storage and an OSD display function by which a user can adjust and store color and volume by controlling the microcomputer 70 of the television, An external input unit 60 made of a remote controller for transmitting various control signals such as channel control and channel switching for adjusting and viewing environmental messages such as color, contrast and volume of a television, A setting unit 90 for setting the environment of the television while viewing the message displayed by the OSD text display according to the control signal input from the external input unit 60; A storage unit 100 for storing the environment in which the setting is completed in the setting unit 90; Provides the necessary control signal to the television signal processing unit 20 and the setting unit 90 and receives the control signal of the external input unit 60 and the environmental storage data of the storage unit 100 to receive the OSD control signal OSD processing unit The microcomputer 70 to provide to 80, The OSD control signal input from the microcomputer 70 to the main demodulation IC (30) is characterized by consisting of the OSD processing unit 80 to display the environmental storage status on the CRT (50) as a character Television with user's environment saving function The multi-user environment storage function of claim 1, wherein the storage unit 100 comprises a plurality of memories or a memory in which storage areas are divided so as to store a television environment set by a plurality of users. television The method of claim 1, wherein the OSD text display of the environmental storage state displayed on the screen is divided into a plurality of writing areas so as to store the environment set by each of the plurality of users. Having television