CN1109237A - Linkage control apparatus between a video cassette recorder and a television receiver - Google Patents
Linkage control apparatus between a video cassette recorder and a television receiver Download PDFInfo
- Publication number
- CN1109237A CN1109237A CN94118316A CN94118316A CN1109237A CN 1109237 A CN1109237 A CN 1109237A CN 94118316 A CN94118316 A CN 94118316A CN 94118316 A CN94118316 A CN 94118316A CN 1109237 A CN1109237 A CN 1109237A
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- CN
- China
- Prior art keywords
- vcr
- control
- caption signal
- signal
- caption
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Circuits (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention relates to a connection control device between a VCR and a TV. The device of the invention realizes a bidirectional control between a VCR and a TV, and the connection control between the VCR and the TV is only provided by an image signal transmission line. The invention achieves the effects above by the following procedures that the caption encoder encodes the connection control signals and provides encoded control signals together with image signals; meanwhile, the caption encoder decodes the connection control signals for controlling the connection function between the VCR and the TV.
Description
Video Cassette recorder equipped (below be referred to as VCR) who the present invention relates to combine with television receiver (below be referred to as TV), be particularly related to the connection control device (linkage control apparatus) between VCR and TV, this connects the linkage function of control device may command between them, reduces the number of transmission line simultaneously.
Prior art connection control system between VCR and TV needs signal transmission line separately, such as connecting control circuit and picture transmission circuit.Therefore, need prepare extra splicing ear for VCR and TV both.
The prior art that accompanying drawing 1 is illustrated between VCR and the TV connects control device.With reference to accompanying drawing 1, the video line 4 that between VCR 1 and TV 2, be provided with the audio line 3 that is used to transmit sound signal, is used for transmission video signal be used to transmit connection control signal be connected control circuit 5.Details are as follows in the operation of the prior-art devices that will as above be constituted now:
If the end user selects manner of playback (playback mode), then be sent to TV 2 by audio line 3 by the sound signal that VCR 1 duplicates, comprise that the vision signal of picture intelligence transmits by video line 4.Connection control signal for the control of the connection between VCR1 and TV2 usefulness also is sent to TV 2 by connecting control circuit 5.
Whether TV 2 check VCR are in according to being controlled by the manner of playback of the control signal that connects control circuit 5 transmission and the connection of whether finishing between VCR and TV, and for example TV is to the conversion of VCR operational mode.
Yet, because therefore above-mentioned prior art connection control device needs connection control circuit separately between VCR and TV all need establish extra splicing ear at VCR and TV.In addition, only at a direction control TV, promptly it carries out unidirectional control to VCR, and therefore, the shortcoming that prior art connects control device is: inconvenience is also easily mistaken in use.
The objective of the invention is to: a kind of connection control device between VCR and TV is provided, and this device is controlled linkage function, for example " power connection/disconnection " function, " duplicating " function between VCR and TV, or " record " function.
Another purpose of the present invention is: a kind of connection control device between VCR and TV is provided, and this device can be carried out the two-way control between VCR and TV.
The objective of the invention is to reach like this: the connection control device between VCR and TV that is provided has following device: the TV state read-out device that is used to read the TV present status; The TV control device, this device be used for the TV control signal of coming according to the reading of described TV state read-out device with from VCR the two the result and control the function of VCR: TV caption signal processing unit, the VCR control signal that this device is used for coming from the transmission of described TV control device is conveyed into the VCR caption signal, so that the VCR caption signal is sent to VCR, the TV caption signal that this device also is used for sending from VCR is conveyed into the TV control signal, so that the TV control signal is delivered to described TV control device; VCR caption signal processing unit, the VCR caption signal that this device is used for sending from described TV caption signal processing unit is conveyed into the VCR control signal, this device also is used for the TV control signal is conveyed into the TV caption signal, so that the TV caption signal is sent to described TV caption signal processing unit; VCR control device, this device are used for controlling according to the VCR control signal of coming from described VCR caption signal processing unit transmission the function of VCR, and this device also is used for the TV control signal is delivered to described VCR caption signal processing unit.
The present invention has good result, and transmission line of the present invention is few, can finish the two-way connection control between VCR and TV; In addition, when no end user, have modulatedemodulate and separate the TV of device and can control the VCR that is used to write down from telephone wire information.
Below in conjunction with accompanying drawing most preferred embodiment of the present invention is described, by this explanation, to the object of the invention and other advantage with easier understanding.
Accompanying drawing 1 is the connection control device block diagram of prior art between VCR and TV, has narrated in leading portion;
Accompanying drawing 2 is the present invention's connection control device block diagrams between VCR and TV;
Accompanying drawing 3 is for explaining the algorithm schematic diagram of apparatus of the present invention operation
With reference to accompanying drawing 2, in TV 10, be provided with following device: the TV state reader 11 that is used to read TV 10 function present statuss; TV controller 12 is used for providing VCR control signal according to the connection control signal of VCR with from the conditional code of TV state reader 11; TV captions encoder 14a is used for the VCR control signal of coming from 12 transmission of TV controller is encoded, and also is used for together with the picture intelligence that is produced in TV picture intelligence processing section 13 the VCR control signal being delivered to VCR 20; TV captions decoder 14b is used for the TV control signal from VCR 20 is deciphered, and also is used for the TV control signal is transferred to TV controller 12.
In VCR 20, be provided with following device: the VCR state reader 23 that is used to read the present status of VCR 20 functions; VCR controller 22 is used for according to from the conditional code of VCR state reader 23 and TV is provided control signal; VCR captions encoder 21b is used for the TV control signal of coming from 12 transmission of VCR controller is encoded, and also is used for together with the picture intelligence that is produced in VCR picture intelligence processing section 24 the TV control signal being sent to TV 10; VCR captions decoder 21a is used for the VCR control signal from TV 10 is deciphered, and also is used for the VCR control signal is transferred to VCR controller 22.
Also be provided with two transmission routes in order to connect VCR 20 and TV 10: first transmission route 31 is used for that both are transferred to TV captions decoder 14b together with picture intelligence with from the TV control signal of having encoded of VCR captions encoder 21b (below be referred to as the TV caption signal); Second transmission route 32 is used for being transferred to VCR captions decoder 21a with picture intelligence with from the VCR control signal of having encoded of TV captions encoder 14a (below be referred to as the VCR caption signal).
Below the method for operation of apparatus of the present invention is described.
When the end user selects the manner of playback of VCR 20, the manner of playback that VCR state reader 23 is read as conditional code, and it is delivered to VCR controller 22.VCR controller 22 is delivered to VCR captions encoder 21b with the conditional code of manner of playback, subsequently, VCR captions encoder 21b is encoded to the TV caption signal with conditional code and it is exported by article one picture intelligence transmission route 31 together with the picture intelligence that is produced in VCR picture intelligence processing section 24.
In TV 10, TV captions decoder 14b deciphers the TV caption signal from the picture intelligence that is transmitted by article one picture intelligence transmission route 31, and the TV caption signal is deciphered, and the signal that will decipher (conditional code) is delivered to TV controller 12.
Whether the conditional code check VCR that TV controller 12 is provided according to TV captions decoder 14b is in replication status, judges " TV-on/off " simultaneously and " the TV/VCR mode changes.”
Then, TV controller 12 is connected TV, and makes its mode conversion be " VCR mode ".
Accompanying drawing 3 is algorithm schematic diagrames, the figure shows TV control VCR, so that carry out record.
When 12 pairs of TV captions of TV controller encoder 14a provides the recording instruction data, TV captions encoder 14a is the VCR caption signal with the recording instruction digital coding, and makes it by second picture intelligence transmission route 32, be sent to VCR together with the picture intelligence from TV picture intelligence processing section 13.
When VCR captions decoder 21a deciphers and will translate the signal of sign indicating number when being delivered to VCR controller 22 to the VCR caption signal that is provided by second picture intelligence transmission line 32, output at VCR captions decoder 21a is under the recording instruction data cases, by means of the reading from VCR state reader 23, VCR controller 22 is controlled at VCR in the recording mode.In this case, in the VCR caption signal, the recording instruction data are a forbidden code (umused code).
Can recognize from above-mentioned explanation: because the picture intelligence transmission line of the present invention by separately provides caption signal, not only VCR can control TV, and TV also " on/off ", the function of " duplicating " and " record " of may command VCR.
Claims (3)
1, the connection control device between VCR and TV is characterized in that: TV produces the VCR control signal and VCR produces the TV control signal, and described jockey is made up of following device; Be used to read the TV state read-out device of TV present status; TV control device, this device be used for the TV control signal of coming according to the reading of described TV state read-out device with from VCR the two the result and control the function of VCR; TV caption signal processing unit, the VCR control signal that this device is used for coming from the transmission of described TV control device is conveyed into the VCR caption signal, so that the VCR caption signal is sent to VCR, the TV caption signal that this device also is used for sending from VCR is conveyed into the TV control signal, so that the TV control signal is delivered to described TV control device; VCR caption signal processing unit, the VCR caption signal that this device is used for sending from described TV caption signal processing unit is conveyed into the VCR control signal, this device also is used for the TV control signal is conveyed into the TV caption signal, so that the TV caption signal is sent to described TV caption signal processing unit; VCR control device, this device are used for controlling according to the VCR control signal of coming from described VCR caption signal processing unit transmission the function of VCR, and this device also is used for the TV control signal is delivered to described VCR caption signal processing unit.
2, according to the described connection control device between VCR and TV of claim 1, it is characterized in that: described TV caption signal processing unit is made up of TV captions decoder and TV captions encoder, this TV captions decoder is used for the TV caption signal that sends from described VCR caption signal processing unit is deciphered, and is used for the TV caption signal of decoding is transferred to described TV control device; This TV captions encoder is used for encoding from the VCR control signal that the transmission of described TV control device comes, and also is used for the VCR control signal of coding is sent to described VCR caption signal processing unit.
3, according to the described connection control device between VCR and TV of claim 1, it is characterized in that: described VCR caption signal processing unit is made up of VCR captions decoder and VCR captions encoder, described VCR captions decoder is used for the VCR caption signal that sends from described TV caption signal processing unit is deciphered, and is used for the VCR caption signal of decoding is delivered to described VCR control device; This VCR captions encoder is used for the TV control signal that the transmission of described VCR control device comes is encoded, and also is used for the TV control signal of coding is sent to described TV caption signal processing unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KRP93-24784 | 1993-11-19 | ||
| KR1019930024784A KR950016213A (en) | 1993-11-19 | 1993-11-19 | VRL and TV linked operation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1109237A true CN1109237A (en) | 1995-09-27 |
Family
ID=19368544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94118316A Pending CN1109237A (en) | 1993-11-19 | 1994-11-19 | Linkage control apparatus between a video cassette recorder and a television receiver |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2791461B2 (en) |
| KR (1) | KR950016213A (en) |
| CN (1) | CN1109237A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100378164B1 (en) * | 2000-04-20 | 2003-03-29 | 삼성전자주식회사 | Monitor apparatus |
| KR100433519B1 (en) * | 2001-07-02 | 2004-05-31 | 삼성전자주식회사 | Apparatus for processing OSD/OSG in the composite system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2570691B2 (en) * | 1986-06-09 | 1997-01-08 | ソニー株式会社 | Video tape recorder |
| JPH03144983A (en) * | 1989-10-31 | 1991-06-20 | Hitachi Ltd | Magnetic recording and reproducing device |
| JPH04168684A (en) * | 1990-11-01 | 1992-06-16 | Sharp Corp | Control system for av equipment |
-
1993
- 1993-11-19 KR KR1019930024784A patent/KR950016213A/en not_active Application Discontinuation
-
1994
- 1994-11-19 CN CN94118316A patent/CN1109237A/en active Pending
- 1994-11-21 JP JP6286494A patent/JP2791461B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR950016213A (en) | 1995-06-17 |
| JPH07192446A (en) | 1995-07-28 |
| JP2791461B2 (en) | 1998-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |