JPS56106476A - Television receiver - Google Patents
Television receiverInfo
- Publication number
- JPS56106476A JPS56106476A JP983680A JP983680A JPS56106476A JP S56106476 A JPS56106476 A JP S56106476A JP 983680 A JP983680 A JP 983680A JP 983680 A JP983680 A JP 983680A JP S56106476 A JPS56106476 A JP S56106476A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- eliminated
- vertical synchronous
- synchronous signal
- vertical
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/171—Systems operating in the amplitude domain of the television signal
- H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP983680A JPS56106476A (en) | 1980-01-29 | 1980-01-29 | Television receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP983680A JPS56106476A (en) | 1980-01-29 | 1980-01-29 | Television receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56106476A true JPS56106476A (en) | 1981-08-24 |
Family
ID=11731204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP983680A Pending JPS56106476A (en) | 1980-01-29 | 1980-01-29 | Television receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56106476A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58210779A (ja) * | 1982-06-01 | 1983-12-08 | Sony Corp | スクランブル放送の受信装置 |
JPH03291083A (ja) * | 1990-04-09 | 1991-12-20 | Matsushita Electric Ind Co Ltd | Catvシステムのキー信号変換装置 |
US5161187A (en) * | 1990-03-12 | 1992-11-03 | Matsushita Electric Industrial Co., Ltd. | Cable television system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4950819A (ja) * | 1972-05-16 | 1974-05-17 | ||
JPS50129111A (ja) * | 1974-03-27 | 1975-10-13 |
-
1980
- 1980-01-29 JP JP983680A patent/JPS56106476A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4950819A (ja) * | 1972-05-16 | 1974-05-17 | ||
JPS50129111A (ja) * | 1974-03-27 | 1975-10-13 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58210779A (ja) * | 1982-06-01 | 1983-12-08 | Sony Corp | スクランブル放送の受信装置 |
US5161187A (en) * | 1990-03-12 | 1992-11-03 | Matsushita Electric Industrial Co., Ltd. | Cable television system |
JPH03291083A (ja) * | 1990-04-09 | 1991-12-20 | Matsushita Electric Ind Co Ltd | Catvシステムのキー信号変換装置 |
US5230019A (en) * | 1990-04-09 | 1993-07-20 | Matsushita Electric Industrial Co., Ltd. | Key signal conversion device for CATV system |
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