KR19980031191A - How to display broadcast program elapsed and remaining time of video cassette recorder - Google Patents

Abstract

The present invention relates to a method of driving a video cassette recorder capable of decoding a G code, comprising: determining (21, 22) whether a confirmation mode is set while receiving a broadcast signal of a predetermined channel; Indicating that input of the G code is required when a confirmation mode is set, and decoding (23, 24, 25, 26) the G code when the G code is input within a predetermined time; If the channel currently being received is a channel corresponding to the decoded G code, detecting and displaying a difference between a current time and a program start time and an end time of the G code as a program elapsed time and a remaining time (27, 28) 29, 30).

That is, in the present invention, the elapsed time and the remaining time of the broadcast program being received and viewed can be easily known.

Description

How to display broadcast program elapsed and remaining time of video cassette recorder

The present invention relates to a video cassette recorder (hereinafter referred to as a VCR), and more particularly, to a method of displaying a broadcast program elapsed and remaining time of a VCR for displaying a program duration time of a changed channel.

A VCR is a video device that records video and audio signals on a magnetic tape by using the magnetic force of the magnetic tape, and reproduces the video and audio signals recorded on the magnetic tape to enable viewing.

By embedding a television tuner in such a VCR, broadcast signals can be recorded on magnetic tape. That is, by processing the broadcast signal received through the tuner to be recorded on the magnetic tape, the broadcast signal can be recorded on the magnetic tape, and the signal recorded on the magnetic tape can be read and viewed.

On the other hand, a general VCR user may use the above-described functions of the VCR to wish to record on a broadcast program magnetic tape while watching a television broadcast. In this case, since the user wants to record from the beginning of the broadcast program, the user may feel the necessity of checking whether the broadcast program being viewed is at the local start or end. That is, in general, users pre-set a broadcast program to record and have the VCR record the broadcast of the corresponding channel from the broadcast start time of the program, but in addition to this case, for example, the receiving channel is changed to watch the broadcast program while watching the broadcast program. There are many cases where the need is felt.

As described above, when the user wants to record, general users want to know how long the broadcast has been performed from the broadcast start time of the corresponding broadcast program, information about the end time, and the time required to record the rest of the program.

In this case, the conventional method for obtaining the necessary information has the inconvenience that the user has to calculate the current time, the program start time and the end time, respectively, by the program progress table published in the print media such as newspapers.

SUMMARY OF THE INVENTION The present invention has been made in view of this point, and an object of the present invention is to provide a progress of a broadcast program of a VCR, which makes it possible to easily obtain information on the elapsed time of a broadcast program using a G code used for reserved recording. It is to provide a remaining time display method.

The method of displaying a broadcast program elapsed and remaining time of a VCR according to the present invention relates to a method of driving a video cassette recorder capable of decoding a G code, comprising: determining whether a confirmation mode is set while receiving a broadcast signal of a predetermined channel; ; Indicating that input of the G code is required when a confirmation mode is set, and decoding the G code when the G code is input within a predetermined time; If the channel currently being received is a channel corresponding to the decoded G code, detecting and displaying a difference between a current time and a program start time and end time of the G code as a program elapsed time and a remaining time.

1 is a block diagram of a video cassette recorder carrying out the method according to the invention.

2 is a block diagram of a video cassette recorder performing a method for displaying broadcast elapsed and remaining time according to the present invention;

* Description of the symbols for the main parts of the drawings *

1: Tuner 2: Micom

3: OSD section 4: Recorder

5: modulator 7: deck

8: replay system 9: key metrics

10: decoder

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a block diagram of a VCR performing the method for displaying the elapsed and remaining time of a broadcast program according to the present invention, in which the tuner 1 receives a broadcast signal of a channel according to the control of the microcomputer 2 and displays an OSD unit 3 and a recording system. (4), the OSD unit 3 mixes a predetermined OSD signal with the signal of the tuner 1 or the signal of the reproduction system 8 to be described later under the control of the microcomputer 2 to the modulator 5; It is configured to apply. The modulator 5 is configured to demodulate the signal of the OSD unit 3 as a signal of a predetermined channel to control the microcomputer 2 and apply it to a display device such as a television.

On the other hand, the recorder 4 records the signal of the tuner 1 and applies it to the deck 7, and the deck 7 records the signal of the recorder 4 on the magnetic tape under the control of the microcomputer 2. do. In addition, the deck 7 reads the signal of the magnetic tape to the reproduction system 8 under the control of the microcomputer 2, and the reproduction system 8 reproduces the signal of the deck 7 to process the OSD unit. It applies to (3).

On the other hand, the microcomputer 2 controls the configuration of each part of the VCR in response to the driving key of the key matrix 9, and is configured to perform the method of the present invention described below in accordance with a signal applied from the decoder 10. That is, the microcomputer 2 decodes the predetermined key signal (signal corresponding to the G code as described below) among the keys of the key matrix 9 through the decoder 10, and decodes it according to the present decoding value. Will be done.

2 shows a flowchart of the present invention performed by the microcomputer 2 in accordance with the value of the decoder 10.

As shown, the microcomputer 2 of the present invention first determines in step 21 whether the tuner 1 is receiving a broadcast signal of a predetermined channel, and selects one of the keys of the key matrix 9 during reception of the broadcast signal. It is determined whether the confirmation key is pressed (step 22).

As a result of the determination in step 22, if the confirmation key is pressed, the microcomputer 2 proceeds to step 23 and controls the OSD unit 3 to output the OSD signal of a message for inputting the G code.

Then, the microcomputer 2 determines whether a predetermined G code is input through the key of the key matrix 9 within a predetermined time (step 24), and applies the input G code to the decoder 10 (step 26). ). At this time, the G code is configured in a predetermined random number format as known to those skilled in the art, and when decoding the code, the start time, end time, and channels of the broadcast program. You can get information about. The microcomputer 2 receives such information from the decoder 10 (step 26), and accordingly, it is possible to know whether the channel currently being received by the tuner 1 corresponds to the input G code.

That is, the microcomputer 2 of the present invention determines whether the G code input in step 27 is the broadcast program of the channel currently being tuned to the tuner 1, and if it is the broadcast program of the channel being received, step 28 is performed. Proceed.

In step 28, the microcomputer 2 compares the information of the start time of the program with the current time of the internal timer among the information of the decoded G code, calculates these differences and calculates the current time and the end time of the program. The time difference is calculated (step 29). Here, the difference between the current time and the start time of the program will eventually be the elapsed time of the program, and the difference between the current time and the end time of the program will eventually be the remaining time of the program.

When the elapsed time and the remaining time of the program are detected in step 29, the microcomputer 2 causes the OSD unit 3 to output an OSD signal indicating the elapsed time and the remaining time (step 30). The OSD signal of section 3 is continued until the confirmation key is pressed again (steps 31 and 32).

As described above, the present invention utilizes that the G code includes information on a start and end time and a channel of a broadcast program. That is, when a G code of the corresponding program is input while watching a broadcast program of a predetermined channel, the microcomputer in the VCR can detect the elapsed time and the remaining time of the broadcast program using the information of the G code, and the detected elapsed time and By displaying the remaining time as an OSD, the user can easily know the elapsed time and the remaining time of the broadcast program.

As described above, in the present invention, the elapsed time and the remaining time of the broadcast program being received and watched can be easily known.

Claims (1)

As a driving method of a video cassette recorder capable of decoding a G code, Determining whether a confirmation mode is set while receiving a broadcast signal of a predetermined channel (21, 22); Indicating that input of the G code is required when the confirmation mode is set, and decoding (23, 24, 25, 26) the G code when the G code is input within a predetermined time; If the channel currently being received is a channel corresponding to the decoded G code, detecting and displaying a difference between a current time and a program start time and an end time of the G code as a program elapsed time and a remaining time (27, 28) 29, 30), the broadcast program elapsed and remaining time display method of the video cassette recorder.