KR19990015563A - Illuminance Temporary Response Image Data Recording / Playback Control Device and Method - Google Patents

Abstract

Illuminance temporally-adaptive video recording / playback control device and its method detects when a certain amount of light is restricted during TV viewing and is restricted from watching TV. Recorded on the media so that the part can be replayed and watched later, and the video data recorded on the magnetic recording medium of the VCR is reproduced on the screen of the TV so that a certain amount of light enters to limit the viewing while the user is watching. If the sensor detects this, it blocks the regeneration of the VCR while a certain amount of light is incident, and controls the VCR to be regenerated when no light is incident after a predetermined time.

Description

Illuminance Temporary Response Image Data Recording / Playback Control Device and Method

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video data recording / reproducing apparatus, and more particularly, to an illumination temporal response video data recording / reproducing control apparatus and a method thereof.

Hereinafter, a general video data recording and reproducing apparatus will be described with reference to FIG. 1.

FIG. 1 is a block diagram of a general video data recording and reproducing apparatus, and shows an example of a TVCR.

Looking at the configuration with reference to Figure 1, the TVCR is a media player 100 for playing broadcast signals; It consists of a video recording device 200 for recording a video signal reproduced by the media playback device (100).

The media playback apparatus 100 includes a first signal processor 10 which processes a signal to display an input broadcast video signal; A display unit 11 for displaying the processed broadcast video signal according to one control signal; The first control unit 12 outputs various control signals to the input key input signal.

The image recording apparatus 200 includes a second control unit 13 for providing various control signals according to a key input signal; A video data recording unit 14 for recording a broadcast video signal input to the media player 100 according to a control signal of the control unit 13; An image data reproducing unit 15 for reproducing the image data recorded in the image data recording unit 14 according to a control signal of the second control unit 13 by one key input; And a second signal processor 16 which processes the image data reproduced by the image data reproducing unit 15 to be displayed on the display unit 11 of the media reproducing apparatus 100.

The operation of the general TVCR having the configuration as described above will be described.

When the power of the TVCR is turned on, the broadcast signal received through the antenna (not shown) is input to the first signal processor 10 and is signal processed to be displayed on the display unit 11.

The signal processed image signal is displayed on the display unit 11 so that the user can watch.

If the user enters temporary light from the outside while watching the broadcast signal of the TV as described above, the user is restricted from watching the TV due to the reflection of light.

Meanwhile, when the user wants to record the received broadcast signal while watching the broadcast signal, the user provides the recording key input signal to the second control unit 13.

The second control unit 13 drives the video data recording unit 14 according to the recording key input signal, and the first control unit so that the broadcast video signal processed by the first signal processing unit 10 is recorded in the video data recording unit 14. The broadcast signal is recorded in the video data recording unit 14 by providing a control signal to the digital video recorder 14.

As another example of the recording method, the user sets a recording reservation by inputting a channel and a broadcast time or G code. Subsequently, when the set time is reached, the video signal received in the channel corresponding to the broadcast time set in the video data recording unit 14 may be automatically recorded.

As described above, when the video signal recorded in the video data recording unit 14 is to be reproduced, the video data recorded by the video data reproducing unit 15 according to the control signal of the second control unit 13 by the user's playback key input. Is reproduced and displayed on the display unit 11 through the second signal processing unit 16. At this time, the currently received broadcast video signal output through the first signal processing unit 10 is cut off to the display unit 11 according to the blocking control signal of the first control unit 12.

As such, when the temporary data is incident from the outside while the user views the image data reproduced by the image data reproducing unit 15 on the display unit 11, the user is restricted from watching TV due to the reflection of light.

As described above, the TV or TVCR according to the related art is reproduced on the TV screen when a user inputs a certain amount of light from the outside while the user is watching the TV screen or while viewing and viewing the image data recorded on the VCR on the TV screen. There is a problem that can not watch the video data properly.

In addition, if the video data that is played back due to light incident from outside during TV watching cannot be properly viewed, there is a method of recording the video data played while the light is incident on the VCR to re-view the video data. The problem of having to input the recording key of the VCR unit one by one, and another problem of passing a certain part of the image data even though the VCR is recorded.

In addition, if the video data recorded on the VCR is displayed on a TV screen and the video data played back due to light incident from the outside cannot be properly viewed, the playback mode can be changed with the stop key input to replay the video data. After switching to the stop mode, another problem causing trouble to the user occurs because the user must block the light incident in the room or wait until there is no light incident and play again.

Accordingly, the present invention has been made to solve the above-mentioned problems according to the prior art, an object of the present invention is to detect when a certain amount of light is incident to the TV viewing is limited by the amount of light or more during the TV viewing incident is a certain amount of light incident The present invention provides an illuminance transient video recording apparatus which records broadcast video data to be reproduced while the video is being recorded on a magnetic recording medium of the VCR so that it can be played back later.

Another object of the present invention is to provide an illuminance temporary adaptive image recording method corresponding to the illuminance temporarily adaptive image recording apparatus.

In addition, another object of the present invention is to reproduce the image data recorded on the magnetic recording medium of the VCR on the screen of the TV when the user is watching a certain amount of light is incident to the limitation of viewing by detecting a certain amount of light over a certain amount The present invention provides an illuminance temporally-adaptive video data playback control device that blocks playback of the VCR during the incident and controls the VCR to be played again when light is not incident after a predetermined time elapses.

In addition, another object of the present invention is to provide a method of controlling illuminance-temporal-adaptive image data reproduction corresponding to the illuminance-temporary adaptive image data reproduction control apparatus.

1 is a block diagram of a typical TVCR

2 is a block diagram of an illumination illuminance video recording and reproducing control apparatus according to the present invention;

3 is an operation flowchart showing a method of illuminating temporally adaptive video recording and reproducing control according to the present invention;

♣ Explanation of symbols for main part of drawing ♣

20: light detector 21: comparison unit

22: control unit 23, 27: signal processing unit

25: video data recording section 26: video data playback section

28: display unit

In order to achieve the above object, a feature of the present invention is a display unit, a playback medium and an image data recording and reproducing apparatus including a recording medium, comprising: light for detecting an amount of light incident on the display unit while image data is being displayed; A detector; A comparison unit comparing the amount of light detected by the light detector with a preset reference light amount; Determining whether the image data displayed on the display unit is a broadcast image data or an image data reproduced on the playback medium, and controls the broadcast image data to be reproduced according to the determination result and the comparison result of the comparison unit to be recorded on the recording medium, And / or an image data reproduced from the reproduction medium, comprising a control unit which controls to block the image data from being displayed on the display unit.

According to still another aspect of the present invention, there is provided a video data recording and reproducing method including a display unit, a recording medium, and a reproducing medium, comprising: determining a source of image data reproduced on the display unit; Detecting the amount of light incident on the display unit when the source of the image data to be displayed is a broadcast video signal received as a result of the determination; Image signal recording control signal for comparing the detected light amount with a predetermined reference light amount, and recording the broadcast video signal displayed on the display unit while the light amount is incident when the detected light amount is larger than the preset reference light amount. Recording a broadcast video signal displayed on a display unit while the light amount is incident on the recording medium; Detecting the amount of incident light while being displayed on the display unit and comparing the detected amount of light with a predetermined reference amount when the source is image data reproduced on a playback medium; And when the amount of light detected as a result of the comparison is greater than a preset reference light, switching the play mode to a stop mode while the light amount is incident to stop playback of the image data.

Hereinafter, with reference to the accompanying drawings, an embodiment of the illuminance transient image data recording / playback control apparatus and method according to the present invention.

FIG. 2 is a block diagram of the illuminance transient video recording and reproducing control device according to the present invention. Referring to FIG. 2, the same elements as those of the prior art shown in FIG. The description will be omitted.

A light detector 20 which detects the amount of light incident on the display unit 28 through the first and second signal processor 23 while the image data is being displayed; A comparison unit 21 for comparing the amount of light detected by the light detection unit 20 with a predetermined reference light amount; The video data recording control signal and the video data reproduced by the video data reproducing unit 26 are recorded on the display unit 28 so that the broadcast video signal reproduced according to the comparison result of the comparator 21 is recorded on the video data recording unit 25. The controller 22 is further provided to provide a cutoff control signal so that it cannot be displayed.

The operation of the illuminance transient video recording and reproducing control device having such a configuration will be described separately.

First, referring to the operation of the illuminance transient video data recording control device, when a broadcast video signal transmitted from a broadcasting station is received and input to the first signal processor 23, the first signal processor 23 receives the received broadcast video signal. Is converted into a format viewable by the user and displayed on the display unit 28 according to the control signal of the controller 22.

When a broadcast image signal is displayed on the display unit 28 and light of a certain amount of light is incident from the outside while the user is watching, the amount of light incident by the light detector 20 is detected.

The amount of light detected by the photodetector 20 is applied to the comparator 21, and the comparator 21 compares the signal level of the applied light amount with a reference level of the preset light amount and outputs a comparison result to the controller 22. do.

If the amount of light detected as a result of the comparison in the comparison unit 21 is smaller than the preset light amount, the controller 22 determines that the user does not interfere with watching TV, and continuously displays the broadcast video signal on the display unit 28. Done.

On the contrary, if the amount of light detected as a result of the comparison in the comparison unit 21 is greater than the preset light amount, the control unit 22 determines that the user is limited by the light incident upon watching the TV, and receives the image data recording control signal. The image data output unit 25 outputs the image data output control signal to the image data recorder 25 to the first signal processor 23.

Therefore, the broadcast video signal processed by the first signal processing section 23 is recorded (recorded) in the video data recording section 25 while light having a predetermined light amount is detected. At this time, the display unit 28 is continuously displaying the broadcast video signal.

As described above, even while the broadcast video call is recorded in the image data recording unit 25, the light detector 20 detects the amount of incident light continuously. When the detected amount of light becomes smaller than the reference light amount, the controller 22 controls the first signal. A recording stop signal is provided to the processing unit 23 and the image data recording unit 25 to stop the recording operation.

Next, let's look at the operation of the illuminance transient video data playback control device.

The image data recorded in the image data recording unit 25 is displayed on the display unit 28 through the image data reproducing unit 26 and the second signal processing unit 27 so that light having a certain amount of light from the outside is displayed while the user is watching. Upon incidence, the amount of light incident on the light detector 20 is detected.

The amount of light detected by the light detector 20 is applied to the comparator 21, and the comparator 21 compares the applied light amount with a preset reference light amount and outputs a comparison result to the controller 22.

The controller 22 determines that the detected amount of light is less than the preset light amount as a result of the comparison by the comparator 21, so that the user does not interfere with viewing the image data reproduced by the image data reproducing unit 26 and continues. As a result, the image data reproduced on the display unit 28 is displayed.

On the contrary, when the amount of light detected as a result of the comparison in the comparison unit 21 is larger than the preset light amount, the controller 22 is limited by the light incident upon the user watching the image data reproduced by the image data reproducing unit 26. In response to the determination, the video data playback unit 26 provides the playback stop control signal. Therefore, the reproduction operation of the image data is stopped so that the image data is not displayed on the display unit 28.

As described above, even while the operation of the image data reproducing unit 26 is stopped, the light detector 20 detects the amount of incident light continuously. When the detected amount of light becomes smaller than the reference light amount, the controller 22 controls the image. The stop mode of the data reproducing section 26 is canceled and the mode is switched back to the reproducing mode. Accordingly, the display unit 28 displays the image data reproduced by the image data reproducing unit 26 so that the user can watch continuously.

As described above, the illumination temporal response video recording / playback control method corresponding to the illumination temporal response video recording / playback control apparatus according to the present invention will be described separately.

3 is an operation flowchart showing the illuminance temporal adaptive video recording / playback control method according to the present invention.

First, referring to FIG. 3, a method of illuminating temporally-adaptive video recording control is performed by turning on power of a TV and a VCR, and then displaying a broadcast video signal or a video data playback unit 26 of a VCR. The reproduced video signal is displayed (S101).

When an image signal is displayed on the display unit 28, the controller 22 detects a source of the image signal displayed on the display unit 28 (S102).

If the source of the video signal is a broadcast video signal transmitted from a broadcasting station, the amount of light incident on the room from the light detector 20 is detected while the broadcast signal is displayed (S103).

It is compared whether the amount of light detected by the light detector 20 is greater than the preset reference light amount (S104). As a result of the comparison, if the detected light amount is smaller than the reference light amount, the broadcast video signal is continuously displayed on the display unit 28. If the detected light amount is lower than the reference light amount, the control mode is output to switch the operation mode of the VCR to the recording mode. do.

When the recording mode is switched, the broadcast video signal reproduced on the display unit 28 is recorded (recorded) on the video data recording unit 25 (S105). At this time, the display unit 28 is in a state where the broadcast video signal is displayed.

While recording, the photodetector 20 continuously detects the amount of incident light and compares the detected amount of light with a predetermined reference light amount (S106). When the detected amount of light is smaller than the reference light as a result of the comparison, the control unit 22 switches the switched recording mode back to the stop mode to stop recording (recording) of the broadcast signal (S107). Therefore, the broadcast video signal of the part which cannot be watched by the amount of incident light can be reproduced and viewed later by the video signal recorded in the video data recording unit 25.

Next, referring to FIG. 3, a method of controlling illuminance-temporal adaptive video data playback, after turning on the TV and the VCR, the broadcast video signal or the VCR video data playback unit 26 is connected to the display unit 28 of the TV. The video signal to be reproduced is displayed (S101).

When an image signal is displayed on the display unit 28, the controller 22 detects a source of the image signal displayed on the display unit 28 (S102).

If the source of the video signal is a video signal reproduced by the VCR, the amount of light incident on the room from the photodetector 20 is detected while the video signal is displayed (S103).

It is compared whether the amount of light detected by the light detector 20 is greater than the preset reference light amount (S104). As a result of the comparison, if the detected light amount is smaller than the reference light amount, the video signal reproduced by the image data reproducing unit 26 of the VCR is continuously displayed on the display unit 28. If the detected light amount is smaller than the reference light amount, one control signal is returned. The control unit outputs the operation mode of the VCR from the playback mode to the stop mode (S110).

Even while the stop mode is continued, the photodetector 20 continuously detects the incident light amount and compares the detected light amount with a preset reference light amount (S111). When the detected amount of light is smaller than the reference light as a result of the comparison, the controller 22 switches the stopped mode back to the playback mode to continuously display the video signal reproduced by the video data reproducing unit 26 to the display unit 28. It is to be displayed (S112). Therefore, the video signal reproduced by the video data reproducing section 25, that is, the playback screen can be viewed continuously.

The present invention may be applied to a TVCR which is a combination product of a TV and a VCR, or may be applied to a product in which a TV and a VCR are separated. It is also possible to connect a TV and a VCD player.

Apparatus and method for illuminating temporally adaptive video recording / playback control according to the present invention display a broadcast signal and a video signal reproduced on a VCR on a screen of a TV so that when a user is limited to watching TV while viewing In the case of the broadcast signal, the broadcast signal displayed while the light is incident is recorded on the recording medium of the VCR, and in the case of the video signal reproduced in the VCR, the playback is stopped so that the user can continuously watch the video screen that the user wants to watch. There is an advantage that let you.

Therefore, there is an effect that it is possible to provide a high-performance product that can cope with any incident light even if incident light.

Claims (7)

An image data recording and reproducing apparatus having a display unit, a reproducing medium and a recording medium, A light detector which detects an amount of light incident while the image data is displayed on the display unit; A comparison unit comparing the amount of light detected by the light detector with a preset reference light amount; Determining whether the image data displayed on the display unit is a broadcast image data or an image data reproduced on the playback medium, and controls the broadcast image data to be reproduced according to the determination result and the comparison result of the comparison unit to be recorded on the recording medium, And / or a control unit (22) for controlling blocking so that the image data reproduced on the reproduction medium cannot be displayed on the display unit. The illuminance according to claim 1, wherein the recording of the broadcast signal on the recording medium and the blocking of reproduction of the image data reproduced on the reproduction medium are performed when the amount of light detected by the detection unit is greater than a preset reference light amount. Temporary response image data recording / playback control device. The apparatus of claim 1, wherein the display unit continuously displays the broadcast video signal while the broadcast video signal is recorded on the recording medium. In the video data recording and playback method comprising a display unit, a recording medium and a playback medium, Determining whether a source of image data to be reproduced is displayed on the display unit; Detecting the amount of light incident on the display unit when the source of the image data to be displayed is a broadcast video signal received as a result of the determination; Image signal recording control signal for comparing the detected light amount with a predetermined reference light amount, and recording the broadcast video signal displayed on the display unit while the light amount is incident when the detected light amount is larger than the preset reference light amount. Recording a broadcast video signal displayed on a display unit while the light amount is incident on the recording medium; Detecting the amount of incident light while being displayed on the display unit and comparing the detected amount of light with a predetermined reference amount when the source is image data reproduced on a playback medium; And when the amount of light detected as a result of the comparison is greater than a preset reference light, switching the play mode to a stop mode while the light amount is incident to stop playback of the image data. Data recording / playback control method. 5. The method of claim 4, wherein the display unit continuously displays the broadcast video signal while the broadcast video signal is recorded on the recording medium. 5. The method of claim 4, wherein the recording of the broadcast video signal on the recording medium is stopped when the detected light amount is smaller than a preset reference light amount while detecting the amount of incident light while the broadcast video signal is being recorded on the recording medium. Illuminance temporally adaptive video data recording / playback control method. The method of claim 4, wherein the light quantity detection in the comparing step continuously detects the amount of incident light even in the switched stop mode, and stops when the detected amount of light is less than a preset reference light amount in the switched stop mode. The method according to claim 1, wherein the video data is reproduced on the display unit by switching to the playback mode.