KR19980050406U - Time setting device of the remote control for video cassette recorders - Google Patents

Abstract

The present invention relates to an apparatus for matching the current time of a remote controller for controlling the operation of a video cassette recorder with the current time of the video cassette recorder, the video cassette recorder 10 comprising: a tuner 21 for receiving a broadcast signal; ; A time detector 23 for detecting first time information from the broadcast signal received by the tuner 21; A receiver 26 which receives a code signal applied from a remote controller; A timer is provided therein, and corrects the current time of the timer according to the time information detected by the time detector 23. If the signal received by the receiver 26 is a time transmission request code, the time of the current timer is set. A microcomputer 22 outputting the second time information; A transmitter 28 for transmitting second time information of the microcomputer 22; The remote controller 10 includes: a time setting request key; A transmission unit (14) capable of transmitting a predetermined code signal to the video cassette recorder (10); A receiving unit 15 capable of receiving the second time information applied from the transmitting unit 28 of the video cassette recorder 20; A timer is provided therein, and the time setting request code is transmitted through the transmitting unit 14 when the time setting request key is driven, and the internal time is set according to the second time information input through the receiving unit 26. The microcomputer 11 corrects the current time of the timer.

In other words, in the present invention, the receiving unit is configured in the remote controller and the transmitting unit is configured in the VCR so that the time information of the VCR can be received by the remote controller so that the time of the timer in the remote controller can match the current time of the timer in the VCR.

Description

Time setting device of the remote control for video cassette recorders

The present invention relates to a remote control of a video cassette recorder (hereinafter referred to as a VCR), and more particularly, to an apparatus for setting a time of a timer in a remote control using time information in a VCR.

In the VCR, a microcomputer is built in to control the operation of the VCR. A microcomputer generally includes a timer. The VCR using such a timer performs a function of displaying a current time on a display device such as a digitron.

In addition, the VCR has a built-in tuner and has a function of receiving a broadcast signal transmitted from a broadcasting station. On the other hand, a vertical blanking period exists in a signal for television broadcasting, and a video signal does not exist in this vertical blanking period, and a method of inserting and transmitting predetermined information in this section has been proposed and implemented. One of such information notes is time information, and the recently developed VCR has a function of correcting the time of the tuner in the microcomputer in accordance with the time information transmitted within the vertical blanking period. Is called.).

In general, time information transmitted from a broadcasting station can be viewed as a standard time, and a time displayed on a digitron in a VCR equipped with an automatic time correction function is also used as a standard time.

On the other hand, the VCR is generally configured to operate by a remote controller. Such a remote controller has a microcomputer therein to perform a function of scanning a pressed key among the keys of the key matrix and transmitting a key code corresponding to the pressed key as a result of the scanning to the VCR. At this time, as described above, the microcomputer is configured in the remote controller. Recently, the microcomputer has been developed and sold as a composite product that enables the remote controller to be performed by adding other functions such as a calculator using the microcomputer of the remote controller. One of the additional functions of the remote controller is a clock function, and the convenience of the user can easily set a time for scheduled recording due to the clock function.

However, the remote control is to use a battery as a power source, there is a problem that the life of the battery is terminated, or in the case of using a bad battery, the timer of the microcomputer in the remote control malfunctions to display the incorrect time.

The present invention has been made to solve such a problem, and an object of the present invention is to provide a time setting device of the remote control for the VCR that can accurately set the time of the remote control for the VCR using the VCR automatic time correction function.

A time setting device of a remote control for a VCR according to the present invention relates to a device for matching a current time of a remote control for controlling an operation of a video cassette recorder with a current time of the video cassette recorder. A tuner for receiving a; A time detector for detecting first time information from the broadcast signal received by the tuner; A receiver which receives a code signal applied from a remote controller; A timer is provided therein, and corrects the current time of the timer according to the time information detected by the time detector, and outputs the current timer time as second time information if the signal received from the receiver is a time transmission request code. With microcomputer; A transmitting unit for transmitting the second time information of the microcomputer; The remote control includes: a time setting request key; A transmitting unit capable of transmitting a predetermined code signal to the video cassette recorder; A receiving unit capable of receiving the second time information applied from the transmitting unit of the video cassette recorder; And a timer provided therein, the microcomputer for transmitting the time setting request code through a transmitting unit when the time setting request key is driven, and correcting the current time of the internal timer according to the second time information input through the receiving unit. Equipped.

1 is a block diagram showing the configuration of the remote control in the time setting device of the remote control for a video cassette recorder according to the present invention

2 is a block diagram showing the configuration of a video cassette recorder in a time setting device of a remote control for a video cassette recorder according to the present invention;

3 is an operation flowchart of a remote control of the time setting device of the remote control for a video cassette recorder according to the present invention;

4 is an operation flowchart of a video cassette recorder of a time setting device of a remote control for a video cassette recorder according to the present invention;

Explanation of symbols for the main parts of the drawings

11: micom 13: key metrics

14 transmitter 15 receiver

16 display unit 21 tuner

22: microcomputer 23: time detector

24: signal processing system 25: deck

26 receiving unit 27 displaying unit

28: transmitter

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

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

1 is a schematic block diagram of a remote controller for carrying out the present invention. As illustrated, a microcomputer 11 is configured in the remote controller 10, and a key matrix 13 is connected to the microcomputer 11. The key matrix 13 includes various function keys for controlling the operation of the VCR, and the microcomputer 11 continuously scans the function keys of the key matrix 13 and transmits a key code corresponding to the pressed key. 14).

The transmitter 14 is a component for transmitting the key code of the microcomputer 11, and is configured using an infrared diode or the like in a conventional VCR.

In addition, the remote controller 10 of the present invention is configured with a receiving unit 15, and the receiving unit 15 receives a signal transmitted from the VCR 20 and applies it to the microcomputer 11 as described below.

The microcomputer 11 is connected to the display unit 16 in addition to the receiver 15, and is configured to display the current time on the display unit 16 using an internal timer. In addition, the microcomputer 11 of the present invention receives information on the time from the receiving unit 15, and is configured to modify the current time of the timer corresponding to this information.

2 shows a schematic block diagram of a VCR 20 for carrying out the present invention.

As shown, the tuner 21 is configured in the VCR of the present invention, and the tuner 21 is configured to receive a broadcast signal of a predetermined channel under the control of the microcomputer 22.

The broadcast signal received by the tuner 21 is applied to the time detector 23 and the signal processing system 24, and the time detector 23 detects the time information included in the vertical blanking period of the broadcast signal and thus the microcomputer 22 It is configured to apply to).

The signal processing system 24 is driven in the recording and reproducing mode under the control of the microcomputer 22. In the recording mode, the signal processing system 24 records and applies the broadcast signal of the tuner 21 to the deck 25, and in the reproducing mode. A signal applied from the deck 25 is reproduced and applied to a display device such as a television.

The deck 25 includes a video head, an audio head, and the like. In the recording mode, a signal applied from the signal processing system 24 is recorded on the magnetic tape. In the playback mode, the deck 25 reads the signal recorded on the magnetic tape. It is configured to apply to the signal processing system 24. In other words, the deck 25 in the present specification was used as an apparatus including all mechanical and electronic mechanisms capable of recording a signal on a magnetic tape or reading a signal recorded on the magnetic tape.

A receiver 26 is connected to the microcomputer 22, and the receiver 26 is an infrared transistor or the like, and is configured to receive a key code applied from the remote controller 10 and apply the key code to the microcomputer 22.

The microcomputer 22 controls the driving of the VCR, that is, the operation of each component described above, in accordance with the key code of the receiver 26. The microcomputer 22 is further configured with a display unit 27, and the microcomputer 22 is configured to display the current time by the internal timer via the display unit 27. In addition, the microcomputer 22 of the present invention is configured to correct the current time of the timer in response to time information applied from the time detector 23.

A transmitter 28 is connected to the microcomputer 22. The microcomputer 22 transmits a code for the current time of the timer to the transmitter 28 when a time transmission request signal is applied from the remote controller 10 as described below. It is configured to apply.

The transmitter 28 is comprised by an infrared diode etc., and is comprised so that the information about the time applied from the microcomputer 22 to the remote controller 10 may be transmitted.

3 shows an operation flowchart performed by the remote controller 10 according to the present invention.

As shown, the microcomputer 11 determines whether a predetermined key of the keys of the key matrix 13 is pressed in step 31, and if the key is pressed, determines whether the pressed key is a time-out request key (step 32). ).

As a result of the determination in step 32, when the time transmission request key key is not pressed, the microcomputer 11 transmits the code signal to the VCR 20 by applying a code corresponding to the pressed key to the transmitter 14. (Step 33).

However, when the time transmission request key is pressed, the microcomputer 11 applies the time transmission request code signal to the VCR 20 through the transmitter 14 (step 34), and is predetermined time information applied from the receiver 15? (Step 35).

When the time information is input from the receiving unit 15, the microcomputer 11 corrects the time of the internal timer according to the input time information (step 36), and responds to the display unit 16 in response to the corrected time of the timer. To show the time.

4 is a flowchart illustrating the operation of the microcomputer 22 in the VCR according to the present invention.

As shown in the figure, the microcomputer 22 determines whether a predetermined code signal is applied from the receiver 26, that is, whether there is a signal transmitted from the remote controller 10 (step 41). It is determined whether or not the time transmission request code signal is (step 42).

As a result of the determination in step 42, the VCR is operated in a mode corresponding to the signal input from the receiver 26 when the time transmission request code signal of the remote controller is not used (step 43). Information about the current time of the timer is applied to the transmitter 28 (step 44). Therefore, the information on the current time of the timer in the microcomputer 22 is applied to the remote controller 10 so that the microcomputer 22 in the remote controller 10 maintains the same time as the microcomputer 22 in the VCR 20. do.

On the other hand, when the code signal is not applied from the receiver 26 as a result of the determination of step 41, the microcomputer 22 proceeds to step 45, and in step 45, the time detector 23 is used for time. Determine whether information is authorized.

As a result of the determination in step 45, if time information is applied from the time detector 23, the microcomputer 22 corrects the current time of the internal timer in response to the time information (step 46). You can match the time of the internal timer to the standard time.

In other words, in the present invention, the receiving unit is configured in the remote controller and the transmitting unit is configured in the VCR so that the time information of the VCR can be received by the remote controller so that the time of the timer in the remote controller can match the current time of the timer in the VCR.

No content

Claims (1)

An apparatus for matching a current time of a remote controller for controlling the operation of a video cassette recorder with a current time of the video cassette recorder, The video cassette recorder 10 is: A tuner 21 for receiving a broadcast signal; A time detector (23) for detecting first time information from the broadcast signal received by the tuner (21); A receiver 26 for receiving a code signal applied from the remote controller; A timer is provided therein, and corrects the current time of the timer according to the time information detected by the time detector 23. If the signal received by the receiver 26 is a time transmission request code, the time of the current timer is set. A microcomputer 22 outputting the second time information; A transmitter 28 for transmitting second time information of the microcomputer 22; The remote control 10 is: A time setting request key; A transmission unit (14) capable of transmitting a predetermined code signal to the video cassette recorder (10); A receiving unit 15 capable of receiving the second time information applied from the transmitting unit 28 of the video cassette recorder 20; A timer is provided therein, and the time setting request code is transmitted through the transmitting unit 14 when the time setting request key is driven, and the internal time is set according to the second time information input through the receiving unit 26. A time setting device of a remote control for a video cassette recorder having a microcomputer (11) for correcting a current time of a timer.