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US3975585A
(en)
*
|
1973-01-31 |
1976-08-17 |
Columbia Pictures Industries, Inc. |
Electronic communications system for supplementary video program distribution
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US3916091A
(en)
*
|
1973-01-31 |
1975-10-28 |
Columbia Pictures Ind Inc |
Electronic communications system for supplementary video program distribution
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|
US3890461A
(en)
*
|
1973-03-27 |
1975-06-17 |
Theatrevision Inc |
Ticket operated subscription television receiver
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|
US4045814A
(en)
*
|
1973-08-15 |
1977-08-30 |
System Development Corporation |
Method and apparatus for scrambling and unscrambling communication signals
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US4024576A
(en)
*
|
1973-08-15 |
1977-05-17 |
System Development Corporation |
Method and apparatus for scrambling and unscrambling communication signals
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US3919462A
(en)
*
|
1973-08-15 |
1975-11-11 |
System Dev Corp |
Method and apparatus for scrambling and unscrambling communication signals
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US4019201A
(en)
*
|
1973-08-15 |
1977-04-19 |
System Development Corporation |
Method and apparatus for scrambling and unscrambling communication signals
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US3934079A
(en)
*
|
1973-10-26 |
1976-01-20 |
Jerrold Electronics Corporation |
Bilateral communications system for distributing commerical and premium video signaling on an accountable basis
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|
FR2385281A2
(fr)
*
|
1974-03-15 |
1978-10-20 |
Oak Industries Inc |
Dispositif de decodage de signaux de television
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US4253114A
(en)
*
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1976-04-08 |
1981-02-24 |
Twin County Trans-Video Inc. |
High security subscription television system employing real time control of subscriber's program reception
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JPS6036152B2
(ja)
*
|
1976-05-07 |
1985-08-19 |
パイオニア株式会社 |
Ｃａｔｖ用端末装置
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US4081832A
(en)
*
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1976-06-08 |
1978-03-28 |
Pay Television Corporation |
Pay television system, method and apparatus
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US4528589A
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1977-02-14 |
1985-07-09 |
Telease, Inc. |
Method and system for subscription television billing and access
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US4112464A
(en)
*
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1977-05-11 |
1978-09-05 |
Oak Industries Inc. |
Subscription TV decoder logic system
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GB1602119A
(en)
*
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1977-11-18 |
1981-11-04 |
Shiu Hung Cheung |
Pay-tv system
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US4222068A
(en)
*
|
1978-11-02 |
1980-09-09 |
American Television And Communications Corporation |
Subscription television apparatus and methods
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FR2448826A1
(fr)
*
|
1979-02-06 |
1980-09-05 |
Telediffusion Fse |
Carte d'abonnement pour recepteur de videotex et poste de chargement de ladite carte
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JPS55127777A
(en)
*
|
1979-03-24 |
1980-10-02 |
Pioneer Electronic Corp |
Scramble method of catv system
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JPS5628575A
(en)
*
|
1979-08-16 |
1981-03-20 |
Pioneer Electronic Corp |
Audient channel selecting method in catv system
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US4323922A
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*
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1979-12-17 |
1982-04-06 |
Oak Industries Inc. |
Television coding system with channel level identification
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JPS56106476A
(en)
*
|
1980-01-29 |
1981-08-24 |
Matsushita Electric Ind Co Ltd |
Television receiver
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DE3043839C2
(de)
*
|
1980-11-21 |
1982-09-16 |
AVM Schmelter GmbH & Co KG, 4404 Telgte |
Vorrichtung zur Steuerung eines Fernsehgerätes in Krankenanstalten
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JPS57164682A
(en)
*
|
1981-04-02 |
1982-10-09 |
Alps Electric Co Ltd |
Data processing circuit
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US4965825A
(en)
|
1981-11-03 |
1990-10-23 |
The Personalized Mass Media Corporation |
Signal processing apparatus and methods
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US7831204B1
(en)
|
1981-11-03 |
2010-11-09 |
Personalized Media Communications, Llc |
Signal processing apparatus and methods
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USRE47642E1
(en)
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1981-11-03 |
2019-10-08 |
Personalized Media Communications LLC |
Signal processing apparatus and methods
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US4494142A
(en)
*
|
1981-11-20 |
1985-01-15 |
Blonder-Tongue Laboratories, Inc. |
Method of and apparatus for scrambled television program addressable subscription selection and decoding
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US4471380A
(en)
*
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1982-03-15 |
1984-09-11 |
Scientific-Atlanta, Inc. |
Scrambling and descrambling of television signals for subscription TV
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JPS58210779A
(ja)
*
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1982-06-01 |
1983-12-08 |
Sony Corp |
スクランブル放送の受信装置
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US4613901A
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*
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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
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US4866770A
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*
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1986-07-08 |
1989-09-12 |
Scientific Atlanta, Inc. |
Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system
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US4790010A
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*
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1987-02-24 |
1988-12-06 |
Zenith Electronics Corporation |
Enhanced scrambling method and system for TV signals
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IT1239581B
(it)
*
|
1990-02-07 |
1993-11-10 |
Antonini Vittorio |
Sistema di codificazione-decodificazione di trasmissioni televisive e scheda elettronica da impiegare in fase di decodificazione.
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*
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1991-08-19 |
1996-12-03 |
Index Systems, Inc. |
Method for encrypting and embedding information in a video program
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