FI864752A - Mottagare foer mottagning av foervraengda signaler - Google Patents
Mottagare foer mottagning av foervraengda signaler Download PDFInfo
- Publication number
- FI864752A FI864752A FI864752A FI864752A FI864752A FI 864752 A FI864752 A FI 864752A FI 864752 A FI864752 A FI 864752A FI 864752 A FI864752 A FI 864752A FI 864752 A FI864752 A FI 864752A
- Authority
- FI
- Finland
- Prior art keywords
- motor
- signaler
- trolley
- trolley motor
- motor table
- Prior art date
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
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8529004 | 1985-11-25 | ||
GB08529004A GB2183378A (en) | 1985-11-25 | 1985-11-25 | Receiving scrambled signals |
Publications (4)
Publication Number | Publication Date |
---|---|
FI864752A0 FI864752A0 (fi) | 1986-11-21 |
FI864752A true FI864752A (fi) | 1987-05-26 |
FI81938B FI81938B (fi) | 1990-08-31 |
FI81938C FI81938C (fi) | 1990-12-10 |
Family
ID=10588751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI864752A FI81938C (fi) | 1985-11-25 | 1986-11-21 | Mottagare foer mottagning av foervraengda signaler. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4817143A (fi) |
EP (1) | EP0228108A3 (fi) |
JP (1) | JPS62188490A (fi) |
FI (1) | FI81938C (fi) |
GB (1) | GB2183378A (fi) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2694860B1 (fr) * | 1992-08-13 | 1994-09-30 | France Telecom | Procédés de diffusion et de réception de programmes de télévision à accès conditionnel à temps de commutation de programmes réduit. |
GB9514525D0 (en) * | 1995-07-15 | 1995-09-13 | Philips Electronics Uk Ltd | Data packet handling |
JP4491069B2 (ja) * | 1995-10-31 | 2010-06-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 時間シフト限定アクセス |
GB9809685D0 (en) * | 1998-05-06 | 1998-07-01 | Sony Uk Ltd | Ncam AV/C CTS subunit proposal |
US7801820B2 (en) * | 2003-01-13 | 2010-09-21 | Sony Corporation | Real-time delivery of license for previously stored encrypted content |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55127777A (en) * | 1979-03-24 | 1980-10-02 | Pioneer Electronic Corp | Scramble method of catv system |
US4531021A (en) * | 1980-06-19 | 1985-07-23 | Oak Industries Inc. | Two level encripting of RF signals |
US4475123A (en) * | 1981-04-02 | 1984-10-02 | Theta-Com., Division Of Texscan | Addressable subscriber cable television system |
US4484027A (en) * | 1981-11-19 | 1984-11-20 | Communications Satellite Corporation | Security system for SSTV encryption |
JPS59500694A (ja) * | 1982-04-23 | 1984-04-19 | インデペンデント・ブロ−ドキヤステイング・オ−ソリテイ | 信号を確実に伝送するための信号コ−ド化装置 |
US4600942A (en) * | 1982-07-29 | 1986-07-15 | Telease, Inc. | Secure coding and decoding system and method for television program signals |
GB2140656A (en) * | 1983-05-13 | 1984-11-28 | Philips Electronic Associated | Television transmission system |
US4613901A (en) * | 1983-05-27 | 1986-09-23 | M/A-Com Linkabit, Inc. | Signal encryption and distribution system for controlling scrambling and selective remote descrambling of television signals |
WO1985000491A1 (en) * | 1983-06-30 | 1985-01-31 | Independent Broadcasting Authority | Encrypted broadcast television system |
JPS6016082A (ja) * | 1983-07-07 | 1985-01-26 | Sony Corp | スクランブルテレビジヨン信号の伝送方式 |
DE3343307A1 (de) * | 1983-11-30 | 1985-06-05 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Verfahren zum verschluesseln und entschluesseln von analogen signalen, sowie schaltungsanordnung zur durchfuehrung des verfahrens |
GB2151886A (en) * | 1983-12-21 | 1985-07-24 | British Broadcasting Corp | Conditional-access broadcast transmission |
US4682360A (en) * | 1983-12-22 | 1987-07-21 | Frederiksen Jeffrey E | Video transmission system |
FR2561478B1 (fr) * | 1984-03-16 | 1987-06-26 | Labo Electronique Physique | Dispositif de dechiffrement et de decodage d'images de television codees selon le standard mac et brouillees par application aux signaux video de permutations circulaires |
US4694491A (en) * | 1985-03-11 | 1987-09-15 | General Instrument Corp. | Cryptographic system using interchangeable key blocks and selectable key fragments |
US4731840A (en) * | 1985-05-06 | 1988-03-15 | The United States Of America As Represented By The United States Department Of Energy | Method for encryption and transmission of digital keying data |
JPH0685517B2 (ja) * | 1985-06-28 | 1994-10-26 | ソニー株式会社 | 情報サ−ビスシステム |
-
1985
- 1985-11-25 GB GB08529004A patent/GB2183378A/en not_active Withdrawn
-
1986
- 1986-11-21 FI FI864752A patent/FI81938C/fi not_active IP Right Cessation
- 1986-11-22 JP JP61277871A patent/JPS62188490A/ja active Pending
- 1986-11-24 EP EP86202088A patent/EP0228108A3/en not_active Ceased
- 1986-11-25 US US06/934,780 patent/US4817143A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB8529004D0 (en) | 1986-01-02 |
FI864752A0 (fi) | 1986-11-21 |
US4817143A (en) | 1989-03-28 |
FI81938C (fi) | 1990-12-10 |
FI81938B (fi) | 1990-08-31 |
JPS62188490A (ja) | 1987-08-18 |
EP0228108A2 (en) | 1987-07-08 |
EP0228108A3 (en) | 1989-01-04 |
GB2183378A (en) | 1987-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN |