KR19990043346A - How to display morning wake-up time for composite television - Google Patents

Abstract

The present invention relates to a method for detecting and displaying a morning wake-up time reserved for a recording recorded on a control track of a video tape played by a video cassette recorder (TVCR). That is, in the present invention, when the viewer has a wake-up display key input provided to the remote controller, the viewer executes the fast forward function of the videotape, and if the wake-up time is detected, the viewer displays the image through the OSD character screen for the set time to the consumer. It shows how to display the morning wake-up time of the composite television that informs the scheduled wake-up time.

Description

How to display morning wake-up time for composite television

The present invention relates to a morning wake-up time display method of a composite television that informs a consumer of a wake-up time scheduled by detecting a morning wake-up time recorded on a video tape played through the composite television and displaying the morning wake-up time.

In general, the TVCR, which is a composite television, is an integrated type of a TV (Television) and a Video Cassette Recorder (VCR), and is supplied with a single power supply and is controlled by a system control (hereinafter referred to as Syscon). ) And a timer microcomputer (hereinafter referred to as timer [Timer]) that controls the entire system of TVCR. Each component is operated, and recording and playback of television broadcast signals, recording and playback of other cassette tapes, As a device used for broadcast recording, reservation recording, and absence recording of a channel, an AC bias method with low noise is adopted because there is no residual magnetic field due to a bias magnetic field even when recording on a cassette tape. The recording of the audio signal is relatively narrow in frequency range of 20-20000 Hz, and the phase relationship is not a problem. This being done the alternating-current bias method because. However, the frequency modulation (FM) recording method has been adopted for recording video signals because its frequency range is wide, about 0-4 MHz, and strict phase characteristics are required to faithfully reproduce waveforms. On the other hand, recording a television signal using a VCR is to record a control signal for generating an audio signal, a video signal of a television, and various control signals at the time of reproduction at different positions of the video tape. The configuration of the VCR for recording each of the above signals on a video tape is as follows.

1 is a block diagram of a recording unit of a VCR for recording a television signal on videotape. The configuration for recording the audio signal of the television, the configuration for recording the video signal, and the configuration for recording the control signal are divided. The recording apparatus is provided with an audio signal processing unit 1 for receiving an audio signal input from a television or the like and processing the signal into a type of signal suitable for recording on magnetic tape. An audio signal recording unit comprising an additional oscillator 2 and an audio head 3 for recording the audio signal output from the oscillator 2 on magnetic tape; A composite video signal processor 4 for IF amplification and Y / C separation processing of a composite video signal input from a television, etc., and a luminance signal processor for FM modulation and processing the luminance signal output from the composite video signal processor 4 above; 5) and an FM modulator 6, a color signal processor 7 and a low pass converter 8 for performing low-pass conversion on the color signal output from the composite video signal processor 4, and the FM converter 6 above. A video recording unit comprising a mixing unit 9 for mixing the luminance signal output from the low frequency conversion unit 8 and a color signal output from the low pass conversion unit 8, and a video head 10 for recording the video signal mixed in the mixing unit 9; A vertical synchronous signal processing unit 11 for processing a vertical synchronous signal input from a television or the like, a countdown 12 for downgrading the vertical synchronous signal input from the vertical synchronous signal processing unit 11 to 1/2, and And a control recording section composed of a control head 13 for recording a control signal capable of generating various control signals at the time of reproduction of the videotape by means of the countdown 12 signal.

FIG. 2 is a diagram relating to a recording state of a video tape recorded by the recording apparatus of FIG. When the video tape reproduces the audio signal recorded in the longitudinal direction and the recorded video tape at a position corresponding to the video signal recorded in the edge musque manner in the longitudinal direction on the entire tape and the video signal recorded at the upper end of the tape, A control signal recorded in the longitudinal direction of the tape is recorded to generate a control signal capable of performing a convenient function or the like. In such a recording device, the wakeup time may be recorded in the control track of the video tape on which the video signal and the audio signal are recorded.

The present invention relates to a method for detecting a morning wakeup time recorded on a control track of a videotape and displaying the wakeup time on a screen. In particular, if a user has a wakeup display key input provided to a remote controller, By executing the fast forward function of the videotape to detect the recorded wake-up time, and when the reserved wake-up time is detected from the above, the OSD character unit displays the OSD text signal through the OSD to allow the consumer to reserve the morning. The present invention provides a method for displaying morning wake-up time of a composite television that allows the user to check the wake-up time.

1 is a block diagram of a recording apparatus of a general VCR.

2 is a diagram for explaining a recording state of a video tape;

3 is a block diagram schematically showing a morning wake-up time display apparatus of a composite television according to the present invention;

4 is a flowchart illustrating a morning wake-up time display method of a composite television according to the present invention.

FIG. 5 is a view outputting a wake-up time recorded for reservation;

* Explanation of symbols for main parts of the drawings

100: tuner circuit section 110: intermediate frequency IC section

120: chroma IC unit 130: color signal driver

140: Winner 150: Timer

160: OSD generator 170: VCR Y / C IC unit

180: Syscon 190: Remote Controller

200: signal recording section 200a: head amplifier IC section

200b: video head 200c: audio processing IC unit

200d: Audio head 200e: Control amplifier

200f: control head

Hereinafter will be described in detail with reference to the accompanying drawings for the configuration and operation of the embodiment for achieving the above object of the present invention.

3 is a block diagram of a wake-up time display apparatus for a composite television according to the present invention.

The present invention provides a high frequency amplifying unit for amplifying a high frequency signal, which is a composite video signal received from an antenna, a mixing unit for converting an input signal amplified from the high frequency amplifying unit and a local oscillation frequency from a local oscillating unit to convert to an intermediate frequency and the mixing unit. A tuner circuit section 100 composed of a local oscillation section for supplying a signal for frequency conversion to the apparatus; An intermediate frequency IC unit 110 connected to the tuner circuit unit 100 and amplifying and processing an intermediate frequency signal which is a complex video signal applied from the tuner circuit unit 100; A chroma IC unit 120 connected to the intermediate frequency IC unit 110 and performing color demodulation processing on a composite video signal applied from the intermediate frequency IC unit 110; The color signal driver 130 and the color signal driver 130 which are connected to the chroma IC unit 120 and perform a driving operation to display the RGB output color signal of the chroma IC unit 120 on the water pipe 140. An image tube 140 on which an image signal is displayed;

On the other hand, the remote controller 210 having a wake-up display key to confirm the information on the morning wake-up time recorded on the videotape; When the wake-up display key included in the remote controller 210 is selected by the user, an electric signal corresponding to the wake-up display key is sensed to generate a predetermined control signal and output the same to the chroma IC unit 120. A timer 150 for interfacing with the 180 to control the complex television system; An OSD generator which is connected to the timer 150 and outputs morning wakeup detection information as an OSD text signal through the water pipe 140 when a control signal corresponding to the wakeup display key is applied from the timer 150 ( 160); In addition, the scissor 180 is connected to the timer 150 and applies a control signal to each block unit of the VCR required by the present invention according to a control signal through an interface with the timer 150;

A video head 200b for reading a video image signal from a track in which the video image signal is recorded on the video tape; A head amplifier connected to the video head 200b and demodulating the FM converted luminance signal and the low frequency converted color signal read by the video head 200b into the original luminance signal and the color signal, and generating a reproduced composite video signal. IC unit 200a; In addition, the audio head (200d) for reading the audio video signal of the video tape; An audio processing IC unit (200c) connected to the audio head (200d) and demodulating the audio signal read by the audio head (200d) and processing the original audio signal; And a control head 200f for extracting the morning-wake time recorded in advance from the control track on which the control signal of the videotape is recorded; The control amplifier 200e is connected to the control head 200f and amplifies the reserved morning wake-up signal applied from the control head 200f.

Referring to FIG. 3, first, a method mainly used for receiving a broadcast signal using the tuner circuit unit 100 is a frequency synchronization method (FS), and the FS method uses a timer for each channel. When a user inputs a reference frequency corresponding to the user and selects a broadcast channel, the tuner circuit unit 100 receives the broadcast by transmitting the reference frequency of the corresponding channel as data. Accordingly, the tuner circuit unit 100 detects and outputs an intermediate frequency signal of the composite video signal transmitted from a broadcasting station, and the intermediate frequency IC unit 110 using the output intermediate frequency as an input intermediate frequency. Amplify the signal to increase the sensitivity and increase the selectivity to increase the image output. In addition, the image signal output from the intermediate frequency IC unit 110 is input to the chroma IC unit 120 and processed as a signal suitable for displaying a composite video signal on the water pipe 140, the chroma IC unit ( The RGB color signal processed and output by the color signal 120 is performed to display the RGB color signal from the color signal driver 130 on the water pipe 140.

The above description is a block diagram illustrating a process of displaying a composite video signal transmitted from a broadcasting station to a water tube. Hereinafter, an apparatus for detecting a morning wake-up time recorded on a video tape, which is an object of the present invention, is displayed on the water tube. Let's do it. First, the remote controller 190 includes a wake-up display key for displaying a morning wake-up reserved for recording on a video tape on a screen. When the user selects the wake-up display key, the timer 150 displays the key. Detects an electrical signal corresponding to and applies a signal to the sheath cone 180. Then, the control head 200f operates the control head 200f by the fast forward function executed according to the control signal of the sheath cone 180 to search the control track of the videotape to read the reserved morning wake-up time. Serve The reserved morning wake-up time detected after the search by the control head 200f is applied to the control amplifier 200e, and the signal is amplified and then the amplified signal is output to the scissor 180. Therefore, when the sheath cone 180 outputs information on the morning wake-up time recorded on the video tape to the timer 150, the timer 150 applies a signal to the OSD generator 160, and the OSD generator 160. ) Outputs the RGB signal for the OSD text signal to the chroma IC unit 120 so that a consumer can recognize the signal detected by the synchronization signal input from the timer 150, and the chroma IC unit 120 outputs the text. The RGB signal is demodulated into a signal suitable to be displayed by the water tube 140 and then displayed by the color signal driver 130 to the water tube 140.

The video head 200b and the audio head 200d included in the signal recording unit 200 read the video signal and the audio signal recorded on the videotape when the videotape inserted into the deck portion of the composite television is read. The input video signal is subjected to the demodulation of the FM converted luminance signal and the low frequency converted color signal read from the video track from the head amplifier IC unit 200a into the original luminance signal and the color signal, and then generates a reproduced composite video signal. The unit 200c processes the audio signal read from the audio head 200d into an audio signal suitable for output, and the video and audio signals demodulated by the head amplifier IC unit 200a and the audio processing IC unit 200c are processed. It is applied to the VCR Y / C IC unit 170 and displayed on the water pipe 140.

5 is a flowchart illustrating a morning wake-up time display method of a composite television according to the present invention, wherein the flowchart is a power-on switching process (S100) for switching on and off the power of the composite television, and the remote controller after being switched on from the above. Wake-up display key input check process (S200) for searching whether the wake-up display key provided in the user is selected (S200), and if there is a wake-up display key input from the above FF execution to execute the fast forward function of the VCR In step S300, the wakeup signal detection check step S400 for checking whether the wakeup signal is detected from the step S300, and when the wakeup signal is detected from the step S400, a wake-up time reserved for the reservation is recorded. After extracting the process of displaying the OSD text screen and at the same time to initialize the display time on the screen (S500), If the scheduled wake-up time is extracted from the above step, stopping the driving of the deck into which the video tape is inserted (S600), and displaying the extracted wake-up time as an OSD on the screen and counting the displayed time (S700). And, when the counting of the time to be displayed from the above is made to the step of checking the power key input (S800).

Referring to the flow chart of the morning wake-up time display method of the composite television as described above, in the power-on switching process (S100) to turn on the power of the composite television, the wake-up display key input confirmation process in the on-switched state ( In step S200, the user checks whether the wake-up display key provided in the remote controller 190 is selected, and when the wake-up display key is selected by the user, in the FF execution process (S300), the fast forward, which is a VCR function of the complex television, is selected. Run Fast Forword to retrieve the wake-up time recorded on the videotape. In the wakeup signal detection process (S400), it is determined whether the wakeup time has been searched from the above. When the search is confirmed, the display process (S500) extracts and displays the wakeup time detected in the process (S400). Initialize the time for 't' displayed via. On the other hand, interrupt the time for the initialized 't' to count the time to 't ++'. In the deck driving stop process (S600), the driving operation of the deck unit into which the video tape is inserted is stopped. In the time checking process (S700) of 't <5', it is checked whether the time counted through the interrupt exceeds the set time. When the time set in step S700 is exceeded, the power key input is checked in step S800, and if there is a key input, the power is switched off.

FIG. 5 is message information informing a consumer of a wake-up time recorded on a video tape output by the OSD generator 160.

As described above, the present invention has the effect of detecting the recorded wake up time previously recorded from the video tape on which the wake up time is recorded, and correcting and recording the desired wake time.

Claims (2)

In a TVCR which detects a wake-up time from a video tape on which a wake-up time has been recorded and displays the OSD character through the receiving hall as an OSD character, allowing the TV user to recognize the wake-up time recorded in advance. A process of switching on the power of the TVCR which is the composite television (S100); Checking whether the wake-up display key is selected from the remote controller 190 after the TVCR is switched on (S200); Performing a fast forward function of the VCR when the wake display key is selected by the user (S300); Detecting a wake-up signal by the fast forward operation (S400); When the wake-up signal is detected from the above, the wake-up time is extracted and displayed as the OSD character RGB signal by the receiving tube 140, and a wake-up display process of initializing the displayed time (S500), A deck driving stop process (S600) for stopping driving of the deck into which the video tape is inserted when the scheduled wake-up time is extracted from the wake-up display process (S500); Counting the time initialized from the wake-up display process (S500) (S700), When the power key input is selected from the remote controller 190, the wake-up time display method of the composite television, characterized in that the step of switching off the power of the composite television (S800). The wake-up display method of claim 1, wherein the wake-up display process (S500) counts the time during which the OSD text signal is displayed on the receiver tube 140 by interrupting the wake-up display process (S500).