KR19980079194A - TV current time automatic setting method - Google Patents

Abstract

The present invention relates to a method for automatically setting the current time of a TV, and more particularly, to a method for automatically setting the current time of a TV so that the time of broadcasting and broadcasting stations of the microcomputer in the TV can be matched automatically. It is about. A present time automatic setting method of a TV according to the present invention comprises a first step of monitoring whether a microcomputer in a television is turned on and a teletext function is input from a remote control, and power is applied to the television in the first step. When the teletext function is performed, the second process outputs a control signal to the broadcasting station time detecting apparatus so as to detect broadcasting station transmission time data, and the broadcasting station time detecting apparatus is configured to provide the broadcasting station time data to the microcomputer; ; The microcomputer may include a fourth process of checking a current time from a RAM, a fifth process of comparing the broadcasting station time data input at the third process and the fourth time with a microcomputer, and the broadcasting time data at the fifth process. If the result of the comparison with the current time is the same, the time setting operation is terminated. If the broadcasting time and the current time are not the same, the microcomputer deletes the current time and sets the broadcasting time from the broadcasting station. You can adjust the current time of the television.

Description

TV's current time automatic setting method

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for automatically setting a current time of a television receiving teletext and a broadcast signal. In particular, the present time of a television can be automatically adjusted by matching the time of the microcomputer in the television with the broadcasting time. The present invention relates to a method for automatically setting the current time of a TV.

Generally, the clock in the microcomputer itself in the television is processed in software for the visual information of the television. The visual information is stored in a RAM and displayed in a color CRT. However, in this conventional technology, the clock function in the microcomputer itself is a kind of counter using a clock. Therefore, when the power is turned off and the error is caused by the external temperature or the surrounding environment, the user has to set the time correctly at any time.

The present invention has been made to solve the above problems and to achieve an improvement.

Accordingly, it is an object of the present invention to provide a method for automatically setting the current time of a TV which can adjust the present time of the television automatically by matching the time of the microcomputer in the television with the broadcasting time.

1 is an apparatus diagram for performing the present time automatic setting method of the TV according to the present invention.

2 is a flowchart for performing a method for automatically setting a current time of a TV according to the present invention.

* Explanation of symbols for main parts of drawings *

11 antenna 12 digital tuner

13: voice intermediate frequency separation circuit 14: video intermediate frequency separation circuit

15 low frequency amplifier 16 speaker

17: chroma circuit 18: teletext circuit

19: switching unit 20: color brown tube actuator

21: color brown tube 22: horizontal vertical synchronous signal generator

23: horizontal synchronous detector 24: vertical synchronous detector

25: remote control 26: preamplifier

27: micom 28: broadcasting station time detection device

29 RAM

Hereinafter, a configuration of an apparatus for performing a method for automatically setting a current time of a TV according to the present invention will be described with reference to FIG. 1.

1 is an apparatus diagram for performing the present time automatic setting method of the TV according to the present invention.

An apparatus for performing the present time automatic setting method of a TV according to the present invention includes a digital tuner 12 which tunes a signal received through an antenna 11 and outputs a mixed video signal and an audio signal. A low frequency frequency amplification circuit 13 for separating a voice signal output from the digital tuner 12 and a low frequency output from the voice frequency separation circuit 13 are output to the outside through the speaker 16. Each of the color signals R and G of the output signal of the amplifier 15, the image intermediate frequency separation circuit 14 for separating the image signal output from the digital tuner 12, and the image intermediate frequency separation circuit 14 And a switching unit 19 for providing a color signal by a control signal in a state in which the teletext circuit 18 does not operate when watching a general broadcast, and the switching unit 19. To amplify the color signal output from To show the amplified color signal to the color picture tube (21) consists of a color picture tube driver 20.

The present invention also provides a preamplifier 26 for amplifying a signal corresponding to the teletext information when the user presses the teletext function of the remote controller 25 when the user wants to watch the teletext information rather than a general television broadcast. The broadcasting station time detection device 28 for detecting broadcasting station time data from the intermediate frequency circuit 14, the RAM 29 storing the current time, and the signal output from the preamplifier 26 are recognized. A microcomputer that outputs a teletext control signal to the teletext circuit 18, receives a current time from the RAM 29, receives broadcast station transmission time data from the broadcast station time detection device 28, and compares the present time with the broadcast station time. And the teletext control signal of the microcomputer 27 processes the teletext data included in the image intermediate frequency and generates a color signal according to the switching. It consists of a teletext circuit 18 to be applied to the other contact of the unit 19.

Here, reference numeral 22 in the figure denotes a horizontal vertical synchronous generator, 23 denotes a horizontal synchronous detector, and 24 denotes a vertical synchronous detector.

The control signal is generated in the teletext circuit 18 to short-circuit the switching unit 19 to the other contact so that the color signal of the chroma circuit 17 is cut off and the color signal output from the teletext circuit 18 is switched. Teletext information is displayed on the color brown tube 21 by sequentially passing through the other contact point and the color brown tube driver 20 to the color brown tube 21.

Hereinafter, a configuration of a method for performing an automatic current time setting method of a TV according to the present invention will be described with reference to FIG. 2. 2 is a flowchart for performing a method for automatically setting a current time of a TV according to the present invention.

The present time automatic setting method of a TV receiving teletext and a broadcast signal according to the present invention monitors whether the microcomputer 27 in the television is turned on and the teletext function is input from the remote control 25. When power is supplied to the television in the first step S1 and the first step S1, and the teletext function is performed, the microcomputer 27 detects the broadcasting station transmission time data 28 to detect the broadcasting station transmission time data. A second process (S2) of outputting a control signal to the second process (S2), the broadcasting station time detection device (28) provides a broadcasting station time data to the microcomputer (27) (3), and the microcomputer (27) 29) a fourth process (S4) for checking the current time; and a fifth process for comparing the broadcasting station time data input in the third process (S3) and the fourth process (S4) with the current time in the microcomputer 27; (S5) and the broadcasting station time data and the string in the fifth process (S5). If the result of the time comparison is the same, the time setting operation is terminated, and if the broadcasting station time data and the current time are not the same, the microcomputer 27 deletes the current time and sets the broadcasting time transmitted from the broadcasting station to step 6 (S6). It is composed.

The automatic present time setting method of the TV according to the present invention configured as described above will be described in detail below with reference to FIGS. 1 and 2.

FIG. 1 is an apparatus diagram for performing an automatic present time setting method of a TV according to the present invention, and FIG. 2 is a flowchart for performing an automatic present time setting method of a TV according to the present invention.

The microcomputer 27 in the television receiving the teletext and the broadcast signal monitors whether the television is powered on and the function of the teletext has been input from the remote controller 25 (first process) (S1). When power is supplied to the television during the first step S1, and the teletext function is performed, the microcomputer 27 sends a control signal to the broadcast station time detection device 28 so as to detect broadcast station transmission time data. 2 course) (S2). The broadcast station time detection device 28 receives the composite video signal from the video intermediate frequency separation circuit 14, separates the teletext information, and sends the broadcast station time data to the microcomputer 27 (third step) (S3). The microcomputer 27 checks the current time stored from the RAM 29 (step 4) (S4), and inputs the broadcasting station time data and the current time input in the third process and the fourth process (27). (S5). If the broadcasting station time data and the present time comparison result are the same in the fifth step (S5), the time setting operation is terminated, and if the broadcasting station time data and the present time are not the same, the microcomputer 27 erases the current time and performs It sets to the time of the broadcast station (Sixth Step) (S6).

When the teletext control signal of the microcomputer 27 is input to the teletext circuit 18, the teletext circuit 18 processes the teletext data included in the image intermediate frequency and generates a color signal according to the switching unit 19. The control signal is generated in the teletext circuit 18 to short-circuit the switching unit 19 to the other contact to block the color signals R, G, and B of the chroma circuit 17, and Since the color signal output from the text circuit 18 is transmitted to the color brown tube 21 through the other contact point of the switching unit 19 and the color brown tube driver 20 in sequence, the current time set in the same manner as the current time of the broadcasting station is set to the color brown tube ( 21).

According to the present invention as described above, there is an effect that the current time of the television can be automatically adjusted accurately so that the current time of the microcomputer in the television matches the transmission time sent from the broadcasting station.

In addition, another effect of the present invention is that the user does not need to set the present time again even when the power is turned off while using the television.

The above description is only a description of one embodiment of the present invention, the present invention is capable of various changes and modifications within the scope of the configuration and technical spirit.

Claims (1)

In the current time automatic setting method of the TV (TV) for receiving teletext and broadcast signals, A first step (S1) in which the microcomputer in the television monitors whether the television is powered on and the teletext function is input from the remote control unit; A second process (S2) of outputting a control signal to the broadcasting station time detecting apparatus to detect broadcasting time transmission data when the television is powered and the teletext function is performed in the first process (S1); A third step (S3) of providing the broadcasting station time data to the microcomputer by the broadcasting station time detecting device; The micom is a fourth process (S4) for checking the current time from the RAM, A fifth process (S5) of comparing the broadcasting station time data inputted in the third process (S3) and the fourth process (S4) and the current time with a microcomputer; If the broadcasting station time data and the current time comparison result are the same in the fifth step (S5), the time setting operation is terminated, and if the broadcasting station time data and the current time are not the same, the microcomputer erases the current time and sends the broadcasting time from the broadcasting station. And a sixth process (S6) of setting the current time automatic setting method of the TV.