JPS637506B2 - - Google Patents
Info
- Publication number
- JPS637506B2 JPS637506B2 JP55142819A JP14281980A JPS637506B2 JP S637506 B2 JPS637506 B2 JP S637506B2 JP 55142819 A JP55142819 A JP 55142819A JP 14281980 A JP14281980 A JP 14281980A JP S637506 B2 JPS637506 B2 JP S637506B2
- Authority
- JP
- Japan
- Prior art keywords
- video data
- data
- center
- video
- terminal device
- 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.)
- Expired
Links
- 238000013500 data storage Methods 0.000 claims description 30
- 230000004044 response Effects 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241000191291 Abies alba Species 0.000 description 1
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
- H04H20/77—Wired systems using carrier waves
- H04H20/78—CATV [Community Antenna Television] systems
- H04H20/79—CATV [Community Antenna Television] systems using downlink of the CATV systems, e.g. audio broadcast via CATV network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N2007/17372—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated or timed by a signal from upstream of the user terminal
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55142819A JPS5765983A (en) | 1980-10-13 | 1980-10-13 | Catv system |
US06/311,082 US4455570A (en) | 1980-10-13 | 1981-10-13 | CATV System |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55142819A JPS5765983A (en) | 1980-10-13 | 1980-10-13 | Catv system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5765983A JPS5765983A (en) | 1982-04-21 |
JPS637506B2 true JPS637506B2 (fr) | 1988-02-17 |
Family
ID=15324356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55142819A Granted JPS5765983A (en) | 1980-10-13 | 1980-10-13 | Catv system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5765983A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002366456A (ja) * | 2001-06-12 | 2002-12-20 | Hitachi Kokusai Electric Inc | 多端末通信方式 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1277762C (fr) * | 1984-07-06 | 1990-12-11 | Ray Kopsa | Poste d'affichage eloigne et methode d'utilisation de ce poste dans un systeme informatique video interactif |
JPS6316739A (ja) * | 1986-07-09 | 1988-01-23 | Miharu Tsushin Kk | Catvシステムを利用したtvゲ−ムソフトの送受信方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49131016A (fr) * | 1973-04-17 | 1974-12-16 | ||
JPS50104813A (fr) * | 1974-01-21 | 1975-08-19 | ||
JPS5283114A (en) * | 1975-12-31 | 1977-07-11 | Matsushita Electric Ind Co Ltd | Gathering receiver |
-
1980
- 1980-10-13 JP JP55142819A patent/JPS5765983A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49131016A (fr) * | 1973-04-17 | 1974-12-16 | ||
JPS50104813A (fr) * | 1974-01-21 | 1975-08-19 | ||
JPS5283114A (en) * | 1975-12-31 | 1977-07-11 | Matsushita Electric Ind Co Ltd | Gathering receiver |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002366456A (ja) * | 2001-06-12 | 2002-12-20 | Hitachi Kokusai Electric Inc | 多端末通信方式 |
Also Published As
Publication number | Publication date |
---|---|
JPS5765983A (en) | 1982-04-21 |
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