JPS5452412A - Synchronous coupler for television signal - Google Patents
Synchronous coupler for television signalInfo
- Publication number
- JPS5452412A JPS5452412A JP11861777A JP11861777A JPS5452412A JP S5452412 A JPS5452412 A JP S5452412A JP 11861777 A JP11861777 A JP 11861777A JP 11861777 A JP11861777 A JP 11861777A JP S5452412 A JPS5452412 A JP S5452412A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- supplied
- address
- equivalent
- delay
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Television Systems (AREA)
- Synchronizing For Television (AREA)
Abstract
PURPOSE: To make the synchronous coupling between a picture and sound possible by controlling the delay of a sound signal corresponding to the delay time of a video signal as to the multiple synchronous coupling of TV signals.
CONSTITUTION: An input video signal is supplied to video synchronous coupler 10, where it is written to the memory equivalent to a fixed address having constant relation to a synchronizing signal and read out from the address equivalent to the synchronizing signal of a base station. The pieces of address information as to the reading and wirting from and to unit 10 are supplied to phase-difference detector 14 via lines 12 and 13, an output signal equivalent to the time from writing to reading at the same address is supplied to delay control circuit 34 and converted into a DC signal to be supplied to variable delay circuit 36, and a sound signal from terminal 37 is outputted after being delayed corresponding the DC signal
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11861777A JPS5452412A (en) | 1977-10-04 | 1977-10-04 | Synchronous coupler for television signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11861777A JPS5452412A (en) | 1977-10-04 | 1977-10-04 | Synchronous coupler for television signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5452412A true JPS5452412A (en) | 1979-04-25 |
| JPS617067B2 JPS617067B2 (en) | 1986-03-04 |
Family
ID=14740967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11861777A Granted JPS5452412A (en) | 1977-10-04 | 1977-10-04 | Synchronous coupler for television signal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5452412A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5630369A (en) * | 1979-08-20 | 1981-03-26 | Toshiba Corp | Audio signal delay compensator |
| JPS5930368A (en) * | 1982-08-11 | 1984-02-17 | Kansai Tv Hoso Kk | Sound synchronizing device |
| US4961114A (en) * | 1989-03-27 | 1990-10-02 | The Grass Valley Group, Inc. | Digital memory delay line for a video border generator |
| US5202761A (en) * | 1984-11-26 | 1993-04-13 | Cooper J Carl | Audio synchronization apparatus |
| US9071723B2 (en) | 1995-12-07 | 2015-06-30 | Cascades Av Llc | AV timing measurement and correction for digital television |
| WO2022097756A1 (en) | 2020-11-09 | 2022-05-12 | 株式会社 東芝 | Frame synchronization device |
-
1977
- 1977-10-04 JP JP11861777A patent/JPS5452412A/en active Granted
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5630369A (en) * | 1979-08-20 | 1981-03-26 | Toshiba Corp | Audio signal delay compensator |
| JPS5930368A (en) * | 1982-08-11 | 1984-02-17 | Kansai Tv Hoso Kk | Sound synchronizing device |
| JPH0218634B2 (en) * | 1982-08-11 | 1990-04-26 | Kansai Terebi Hoso Kk | |
| US5202761A (en) * | 1984-11-26 | 1993-04-13 | Cooper J Carl | Audio synchronization apparatus |
| US4961114A (en) * | 1989-03-27 | 1990-10-02 | The Grass Valley Group, Inc. | Digital memory delay line for a video border generator |
| US9071723B2 (en) | 1995-12-07 | 2015-06-30 | Cascades Av Llc | AV timing measurement and correction for digital television |
| US9386192B2 (en) | 1995-12-07 | 2016-07-05 | Cascades Av Llc | AV timing measurement and correction for digital television |
| US9692945B2 (en) | 1995-12-07 | 2017-06-27 | Cascades Av Llc | AV timing measurement and correction for digital television |
| WO2022097756A1 (en) | 2020-11-09 | 2022-05-12 | 株式会社 東芝 | Frame synchronization device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS617067B2 (en) | 1986-03-04 |
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