IE57015B1 - Address-programmable catv converter - Google Patents
Address-programmable catv converterInfo
- Publication number
- IE57015B1 IE57015B1 IE1445/84A IE144584A IE57015B1 IE 57015 B1 IE57015 B1 IE 57015B1 IE 1445/84 A IE1445/84 A IE 1445/84A IE 144584 A IE144584 A IE 144584A IE 57015 B1 IE57015 B1 IE 57015B1
- Authority
- IE
- Ireland
- Prior art keywords
- converter
- code
- logical address
- memory
- headend
- Prior art date
Links
- 230000015654 memory Effects 0.000 claims abstract description 34
- 238000012545 processing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 claims 2
- 238000009826 distribution Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 4
- 238000013475 authorization Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000286904 Leptothecata Species 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17345—Control of the passage of the selected programme
- H04N7/17363—Control of the passage of the selected programme at or near the user terminal
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H2201/00—Aspects of broadcast communication
- H04H2201/70—Aspects of broadcast communication characterised in that receivers can be addressed
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Small-Scale Networks (AREA)
- Communication Control (AREA)
- Television Systems (AREA)
- Details Of Television Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50293483A | 1983-06-10 | 1983-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE841445L IE841445L (en) | 1984-12-10 |
| IE57015B1 true IE57015B1 (en) | 1992-03-11 |
Family
ID=24000035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1445/84A IE57015B1 (en) | 1983-06-10 | 1984-06-08 | Address-programmable catv converter |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0128769B1 (enExample) |
| JP (1) | JPS607245A (enExample) |
| AT (1) | ATE63799T1 (enExample) |
| AU (1) | AU564502B2 (enExample) |
| CA (1) | CA1220849A (enExample) |
| DE (1) | DE3484607D1 (enExample) |
| IE (1) | IE57015B1 (enExample) |
| MX (1) | MX155858A (enExample) |
| NZ (1) | NZ208426A (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60248042A (ja) * | 1984-05-24 | 1985-12-07 | Sony Corp | デイジタル伝送システム |
| US4885775A (en) * | 1984-09-21 | 1989-12-05 | Scientific-Atlanta, Inc. | Information display scheme for subscribers of a subscription television system |
| DE3501178A1 (de) * | 1985-01-16 | 1986-07-17 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Verfahren und schaltungsanordnung zur verhinderung des unberechtigten empfangs verschluesselter fernsehsignale |
| US5136411A (en) * | 1987-12-11 | 1992-08-04 | General Instrument Corporation | Dynamically responsive CATV system with shared fiber optic link |
| JPH0771011B2 (ja) * | 1989-04-20 | 1995-07-31 | 日本電気株式会社 | 無線通信装置 |
| US5014125A (en) * | 1989-05-05 | 1991-05-07 | Cableshare, Inc. | Television system for the interactive distribution of selectable video presentations |
| US5136200A (en) * | 1989-07-27 | 1992-08-04 | Olympus Optical Co., Ltd. | Ultransonic motor |
| DK0573406T3 (da) * | 1989-08-23 | 1997-12-29 | Delta Beta Pty Ltd | Programtransmissionsoptimering |
| US7594250B2 (en) | 1992-04-02 | 2009-09-22 | Debey Henry C | Method and system of program transmission optimization using a redundant transmission sequence |
| US5373288A (en) * | 1992-10-23 | 1994-12-13 | At&T Corp. | Initializing terminals in a signal distribution system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4322854A (en) * | 1979-05-18 | 1982-03-30 | Allan B. Bundens | Data communications terminal |
| JPS57500537A (enExample) * | 1980-03-31 | 1982-03-25 | ||
| CA1177558A (en) * | 1982-04-15 | 1984-11-06 | Groupe Videotron Ltee. (Le) | Cable network data transmission system |
-
1984
- 1984-06-08 IE IE1445/84A patent/IE57015B1/en not_active IP Right Cessation
- 1984-06-08 AU AU29313/84A patent/AU564502B2/en not_active Expired
- 1984-06-08 NZ NZ208426A patent/NZ208426A/en unknown
- 1984-06-08 MX MX201588A patent/MX155858A/es unknown
- 1984-06-08 CA CA000456194A patent/CA1220849A/en not_active Expired
- 1984-06-11 AT AT84303939T patent/ATE63799T1/de active
- 1984-06-11 DE DE8484303939T patent/DE3484607D1/de not_active Expired - Lifetime
- 1984-06-11 JP JP59118363A patent/JPS607245A/ja active Granted
- 1984-06-11 EP EP84303939A patent/EP0128769B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3484607D1 (de) | 1991-06-27 |
| EP0128769A3 (en) | 1986-08-27 |
| EP0128769A2 (en) | 1984-12-19 |
| IE841445L (en) | 1984-12-10 |
| AU564502B2 (en) | 1987-08-13 |
| ATE63799T1 (de) | 1991-06-15 |
| AU2931384A (en) | 1984-12-13 |
| JPH0530357B2 (enExample) | 1993-05-07 |
| JPS607245A (ja) | 1985-01-16 |
| CA1220849A (en) | 1987-04-21 |
| EP0128769B1 (en) | 1991-05-22 |
| NZ208426A (en) | 1987-09-30 |
| MX155858A (es) | 1988-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |