KR970004636B1 - Vcr reproduction locking method and the device thereof - Google Patents

Abstract

Disclosed is a method and apparatus for locking replay within a VCR. The apparatus comprises 3 steps. In the first step, the label color of a video tape inserted is determined. In the second step, a password is required when the label color is not blue. In the third step, the replay is not performed if the input password in the secon step is not same as that on registration. Thereby, a noxious video tape copied can not be replayed for juniors.

Description

Regeneration lock method of V-Cal and its device

1 is a schematic configuration diagram of a conventional VRC.

2 is a flowchart illustrating the operation of FIG.

Figure 3 is a flow chart for the regeneration lock method of the VRC of the present invention.

Figure 4 is a block diagram of a locking device of the present invention V-real.

5 is a perspective view of a color sensor according to the present invention, (a) a positional relationship between a light source and a color sensor with respect to a label position of a video tape, and (b) a color regulation table for an algibi component ratio.

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

200: video tape 201: color detection unit

202: microcomputer 203: video playback unit

204: On-screen display unit 205: Image display unit

LB: Label

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a lock technology for a V-seal, and more particularly, to a method and a device for reproducing a V-seal capable of preventing the play of an unhealthy video tape or an illegally reproduced video tape by a teenager or the like.

FIG. 1 is a schematic configuration of a conventional VR, and FIG. 2 is an operation flowchart. When a video tape is inserted into the tape input unit 101 (ST1), the image reproducing unit 103 controls the microcomputer 102. The playback operation is performed so that the contents recorded on the video tape are reproduced and displayed on the video display unit 105 while receiving (ST2).

Here, the on-screen display unit 104 serves to display various on-screen characters on the image display unit 105 under the control of the microcomputer 102.

Since the conventional V-RL does not have any locking device for preventing playback on a specific video tape, the play operation is performed on all the video tapes inserted into the tape input unit 101, which is intended for anyone who wants a youth. This means that the videotape can be played and watched.

Therefore, in the related art, there is a problem that adolescents and the like cannot prevent adult video tapes or other illegally copied video tapes by watching them.

The present invention was devised in view of the above-mentioned conventional problems, and provides a method and a device for reproducing a playback lock of V-CAL which can prevent adolescents and the like from watching and playing unhealthy video tapes or other illegal video tapes. The purpose.

According to the present invention, the playback lock method of the VRT of the present invention includes a first step of determining a label color of an inserted video tape, and if the label color of the video tape is not blue in the first step, requesting a password. And a third step of preventing a play operation from being performed if the password inputted as the password request in the second step is not the same as the previously registered password.

The operation and effect of the present invention will be described in detail with reference to FIGS. 3 to 5 showing one specific embodiment of the present invention. In this case, detailed description of the same parts as in the prior art will be omitted.

FIG. 3 is an operation flowchart of the playback lock method of the VR of the present invention, and FIG. 4 shows a specific embodiment of the VRL locking device that is directly used in the embodiment of FIG. 3, as shown in FIG. When the 200 is inserted into the VCC (ST1), the light is emitted from the light source 201-1 of the color sensing unit 201 and the light is scanned on the label of the video tape 200 inserted therein. Therefore, the reflected light reflected from the label of the video tape is incident on the color sensor 201-2 of the color sensing unit 201.

Here, the light source 201-1 and the color sensor 201-2 of the color detecting unit 201 have the color sensor 201-2 facing the front of the label LB of the video tape as shown in FIG. The light source 201-1 is positioned at an angle of 30 to 60 ° with the color sensor 201-2.

In the color sensor 201-2 having such a position and receiving the reflected light from the label LB of the video tape, the ALG ratio signals R, G, and B corresponding to the incident reflected light are generated to generate the amplifiers A1 to A1 through. A3) is amplified according to a predetermined gain, respectively, and digitalized by the analog / digital converters ADC1 to ADC3 and input to the microcomputer 202.

Then, the microcomputer 202 displays the video indicated by the algibi signals R, G, and B input from the color sensing unit 201 based on the color regulation table for the algibi component ratio as shown in FIG. 5 (b). The label color of the tape is determined. For example, when the microcomputer 202 analyzes the ALG ratio signals R, G, and B, it is determined that the ALG ratio component ratio (R: G: B) is 20.3: 39.8: 39.9. When the label color of the videotape is recognized as blue color indicating that it is for a teenager, a play operation is performed so that an image is displayed on the image display unit 205 by performing a reproducing operation on the information recorded on the videotape. Proceed to step ST2 and ST3.

However, as a result of judging the label color of the videotape, if it is determined that the ratio of the RB component (R: G: B) is 43.3: 28.3: 28.7, the label color is recognized as red (adult), and the RB component ratio (R : G: B) is judged to be 27.1: 36.1: 36.8 and the label color is black (unlabeled blank tape (blank tape with black tape jacket), and also Algibi component (R: G: If B) is judged to be 30.5: 38.3: 31.2, the label is recognized as white indicating that the color is colorless. At this time, the on-screen display unit 204 is operated by the command of the microcomputer 202, so that the image display unit 205 can perform In addition, a warning message "This videotape is not for teens" and a password request message appear, "Please enter your password" (ST4, ST5).

At this time, if the response password is not the same as the preset password, the playback operation is not performed in the image reproducing unit 203 by the command of the microcomputer 202 (ST6, ST7). In step 203, a playback operation is performed on the information recorded on the videotape so that a video operation appears on the video display unit 205 (ST3).

As described so far, the present invention proceeds to the play operation as soon as it is determined that the label color of the inserted videotape is blue, but if it is determined that the label color is red, black, or white due to the insertion of an unhealthy videotape, the password is encrypted. If the password is the same as the registered password only to proceed with the play operation, it has the effect that can prevent the youth and the like to watch and watch the unhealthy video tape or illegal video tape.

Claims (5)

A first step of determining the label color of the inserted video tape; a second step of requesting a password if it is determined that the label color of the video tape is not blue; and a password request in the second step. If the input password is not the same as the pre-registered password, the play lock method of the VR, characterized in that the third step to prevent the play operation proceeds. The method of claim 1, wherein if it is determined that the label color of the videotape is blue in the first step or the password inputted as the password request in the second step is the same as the previously registered password, the play operation is performed. Regeneration lock method of V-Cal further comprising. Color detection means for detecting the ALG ratio signal from the label of the video tape, and the color of the video tape from the ALG signal detected by the color sensing means recognizes the color of the video tape so that the play operation proceeds as soon as the label color is blue and the label color is blue. Otherwise, the play lock device of V'AL, characterized in that it has a control means for allowing the play operation to proceed only when the password inputted by the password is the same as the registered password. 4. The color sensing unit of claim 3, wherein the color sensing unit comprises: a light source unit for scanning light rays onto the video tape, a color sensor unit for receiving reflected light reflected from the video tape by scanning the light source unit, and the color sensor unit for receiving the reflected light beams; And an amplifying unit for amplifying the produced algibi signal according to a predetermined gain, and an analog / digital converting unit for digitizing the algibi signal amplified by the amplifying unit. 4. The playback lock device of claim 3, further comprising on-screen display means for displaying a predetermined warning message together with a message asking for a password by a command of the control means.