JPS4924530A - - Google Patents
Info
- Publication number
- JPS4924530A JPS4924530A JP47064890A JP6489072A JPS4924530A JP S4924530 A JPS4924530 A JP S4924530A JP 47064890 A JP47064890 A JP 47064890A JP 6489072 A JP6489072 A JP 6489072A JP S4924530 A JPS4924530 A JP S4924530A
- Authority
- JP
- Japan
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47064890A JPS4924530A (en) | 1972-06-30 | 1972-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47064890A JPS4924530A (en) | 1972-06-30 | 1972-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4924530A true JPS4924530A (en) | 1974-03-05 |
Family
ID=13271119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47064890A Pending JPS4924530A (en) | 1972-06-30 | 1972-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4924530A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5073518A (en) * | 1973-08-15 | 1975-06-17 | ||
| JPS53121420A (en) * | 1977-02-14 | 1978-10-23 | Block Robert S | System for billing toll television set |
| JPS5568782A (en) * | 1978-11-18 | 1980-05-23 | Clarion Co Ltd | Video cipher process system |
| JPS5588481A (en) * | 1978-12-04 | 1980-07-04 | Oak Industries Inc | Method of coding and decoding video signal |
| JPH03291083A (en) * | 1990-04-09 | 1991-12-20 | Matsushita Electric Ind Co Ltd | Key signal converter for catv system |
| US5161187A (en) * | 1990-03-12 | 1992-11-03 | Matsushita Electric Industrial Co., Ltd. | Cable television system |
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1972
- 1972-06-30 JP JP47064890A patent/JPS4924530A/ja active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5073518A (en) * | 1973-08-15 | 1975-06-17 | ||
| JPS53121420A (en) * | 1977-02-14 | 1978-10-23 | Block Robert S | System for billing toll television set |
| JPS6246112B2 (en) * | 1977-02-14 | 1987-09-30 | Esu Burotsuku Robaato | |
| JPS5568782A (en) * | 1978-11-18 | 1980-05-23 | Clarion Co Ltd | Video cipher process system |
| JPS5588481A (en) * | 1978-12-04 | 1980-07-04 | Oak Industries Inc | Method of coding and decoding video signal |
| JPS63131287U (en) * | 1978-12-04 | 1988-08-26 | ||
| US5161187A (en) * | 1990-03-12 | 1992-11-03 | Matsushita Electric Industrial Co., Ltd. | Cable television system |
| JPH03291083A (en) * | 1990-04-09 | 1991-12-20 | Matsushita Electric Ind Co Ltd | Key signal converter for catv system |
| US5230019A (en) * | 1990-04-09 | 1993-07-20 | Matsushita Electric Industrial Co., Ltd. | Key signal conversion device for CATV system |