IL62736A0 - A coding and decoding system for video and audio signals in which horizontal and vertical synchronization signals are suppressed and in which audio and control signal data are inserted in the suppressed intervals - Google Patents
A coding and decoding system for video and audio signals in which horizontal and vertical synchronization signals are suppressed and in which audio and control signal data are inserted in the suppressed intervalsInfo
- Publication number
- IL62736A0 IL62736A0 IL62736A IL6273681A IL62736A0 IL 62736 A0 IL62736 A0 IL 62736A0 IL 62736 A IL62736 A IL 62736A IL 6273681 A IL6273681 A IL 6273681A IL 62736 A0 IL62736 A0 IL 62736A0
- Authority
- IL
- Israel
- Prior art keywords
- suppressed
- audio
- signals
- coding
- video
- 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
- H04N7/171—Systems operating in the amplitude domain of the television signal
- H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/149,707 US4353088A (en) | 1980-05-14 | 1980-05-14 | Coding and decoding system for video and audio signals |
Publications (1)
Publication Number | Publication Date |
---|---|
IL62736A0 true IL62736A0 (en) | 1981-06-29 |
Family
ID=22531459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL62736A IL62736A0 (en) | 1980-05-14 | 1981-04-28 | A coding and decoding system for video and audio signals in which horizontal and vertical synchronization signals are suppressed and in which audio and control signal data are inserted in the suppressed intervals |
Country Status (13)
Country | Link |
---|---|
US (1) | US4353088A (xx) |
JP (1) | JPS5717288A (xx) |
AU (1) | AU534856B2 (xx) |
BR (1) | BR8102970A (xx) |
CA (1) | CA1175553A (xx) |
CH (1) | CH654707A5 (xx) |
DE (1) | DE3119015C2 (xx) |
FR (1) | FR2482815B1 (xx) |
GB (1) | GB2077547B (xx) |
GR (1) | GR74541B (xx) |
IL (1) | IL62736A0 (xx) |
MX (1) | MX150241A (xx) |
NL (1) | NL189991C (xx) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1155518A (en) * | 1979-02-20 | 1983-10-18 | William S.H. Cheung | Encoding of information |
US4965825A (en) | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
US7831204B1 (en) | 1981-11-03 | 2010-11-09 | Personalized Media Communications, Llc | Signal processing apparatus and methods |
USRE47642E1 (en) | 1981-11-03 | 2019-10-08 | Personalized Media Communications LLC | Signal processing apparatus and methods |
NL8203599A (nl) * | 1982-09-17 | 1984-04-16 | Philips Nv | Hoofdeinde en ontvanger voor een signaaldistributiesysteem. |
US4568974A (en) * | 1982-10-28 | 1986-02-04 | Oak Industries Inc. | Video scrambling by the application of a variable periodic scrambling waveform |
JPS59112783A (ja) * | 1982-12-20 | 1984-06-29 | Sony Corp | デジタルデ−タ受信機 |
GB8305858D0 (en) * | 1983-03-03 | 1983-04-07 | Indep Broadcasting Authority | Noise reduction for video |
DE3479952D1 (en) * | 1983-04-21 | 1989-11-02 | Gen Instrument Corp | Scrambling system for television video signal |
US4608456A (en) * | 1983-05-27 | 1986-08-26 | M/A-Com Linkabit, Inc. | Digital audio scrambling system with error conditioning |
GB2141905A (en) * | 1983-06-20 | 1985-01-03 | Philips Electronic Associated | Secure transmission system |
US4679078A (en) * | 1983-11-15 | 1987-07-07 | Luks Industrial Company Ltd. | High security subscription television transmission system |
US4636852A (en) * | 1984-01-26 | 1987-01-13 | Scientific-Atlanta, Inc. | Scrambling and descrambling of television signals for subscription TV |
US4599646A (en) * | 1984-05-18 | 1986-07-08 | D-Tec Industries, Inc. | Method and apparatus for identifying unauthorized or defective converter/decoder boxes in CATV system |
US4706284A (en) * | 1985-03-15 | 1987-11-10 | Zenith Electronics Corporation | Television signal data transmission system |
US4817142A (en) * | 1985-05-21 | 1989-03-28 | Scientific Atlanta, Inc. | Restoring framing in a communications system |
US4688246A (en) * | 1985-12-20 | 1987-08-18 | Zenith Electronics Corporation | CATV scrambling system with compressed digital audio in synchronizing signal intervals |
US4864613A (en) * | 1986-11-10 | 1989-09-05 | General Instrument Corporation | Broadband converter/descrambler interface for cable TV |
US4790010A (en) * | 1987-02-24 | 1988-12-06 | Zenith Electronics Corporation | Enhanced scrambling method and system for TV signals |
US4821097A (en) * | 1987-03-05 | 1989-04-11 | General Instrument Corporation | Apparatus and method for providing digital audio on the sound carrier of a standard television signal |
US4916736A (en) * | 1988-06-07 | 1990-04-10 | Macrovision Corporation | Method and apparatus for encrypting and decrypting time domain signals |
JP2810103B2 (ja) * | 1989-04-28 | 1998-10-15 | パイオニア株式会社 | テレビジョン信号のスクランブル方法 |
US5058157A (en) * | 1989-09-06 | 1991-10-15 | Macrovision Corporation | Method and apparatus for encrypting and decrypting time domain signals |
US5262874A (en) * | 1990-06-06 | 1993-11-16 | Macrovision Corporation | Method and apparatus for recording and replaying field-length-modulated video signals |
US5153723A (en) * | 1991-07-24 | 1992-10-06 | Zenith Electronics Corporation | HDTV audio subsystem with timing characteristics compatible with video subsystem |
US5710815A (en) * | 1995-06-07 | 1998-01-20 | Vtech Communications, Ltd. | Encoder apparatus and decoder apparatus for a television signal having embedded viewer access control data |
CN101527809B (zh) * | 2008-03-06 | 2011-01-26 | 瑞昱半导体股份有限公司 | 传输数据内嵌入声音数据的方法 |
US8786785B2 (en) * | 2011-04-05 | 2014-07-22 | Microsoft Corporation | Video signature |
CN103152543B (zh) * | 2012-11-06 | 2016-08-24 | 浙江大华技术股份有限公司 | 一种复合视频的音视频信号的传输方法及其装置 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2563448A (en) * | 1951-08-07 | Subscription type signaling system | ||
US2510046A (en) * | 1947-04-18 | 1950-05-30 | Zenith Radio Corp | Radio-wire signaling system |
US2705740A (en) * | 1949-12-14 | 1955-04-05 | Zenith Radio Corp | Subscription type signalling system |
US3081376A (en) * | 1959-03-23 | 1963-03-12 | Zenith Radio Corp | Subscription television system |
US3184537A (en) * | 1960-10-04 | 1965-05-18 | Paramount Pictures Corp | Subscription-television system employing suppression of synchronizing signals |
GB1028025A (en) * | 1962-08-30 | 1966-05-04 | R & R Res Ltd | Improvements in or relating to television systems |
US3335218A (en) | 1964-06-12 | 1967-08-08 | Winston Res Corp | Television recording and reproducing apparatus with substitute horizontal sync and multiplexed audio |
US3485941A (en) * | 1965-04-12 | 1969-12-23 | R & R Research Ltd | Television system with modified sync signals and auxiliary timing information |
US3530232A (en) * | 1966-06-17 | 1970-09-22 | Intern Telemeter Corp | Subscription television system |
JPS5037972B1 (xx) | 1969-05-22 | 1975-12-06 | ||
JPS5236593B2 (xx) * | 1973-08-09 | 1977-09-16 | ||
DE2529728A1 (de) * | 1973-10-08 | 1977-01-20 | Standard Elektrik Lorenz Ag | Fernsehsystem mit integrierter tonuebertragung |
CH575694A5 (xx) * | 1974-03-15 | 1976-05-14 | Oak Industries Inc | |
US4024575A (en) * | 1974-03-15 | 1977-05-17 | Oak Industries Inc. | Catv sine wave coding system |
GB1505319A (en) | 1975-07-03 | 1978-03-30 | Int Standard Electric Corp | Television system |
US4081832A (en) * | 1976-06-08 | 1978-03-28 | Pay Television Corporation | Pay television system, method and apparatus |
US4095258A (en) * | 1976-10-15 | 1978-06-13 | Blonder-Tongue Laboratories, Inc. | Apparatus for decoding scrambled television and similar transmissions |
US4163252A (en) * | 1976-11-03 | 1979-07-31 | Blonder-Tongue Laboratories, Inc. | Subscription television decoder apparatus |
US4145717A (en) * | 1977-05-11 | 1979-03-20 | Oak Industries Inc. | Subscription TV audio carrier recovery system |
US4112464A (en) * | 1977-05-11 | 1978-09-05 | Oak Industries Inc. | Subscription TV decoder logic system |
US4215366A (en) * | 1977-10-19 | 1980-07-29 | Feature Film Services | Subscriber-limited reception television broadcast security encoder-decoder system |
GB1602119A (en) * | 1977-11-18 | 1981-11-04 | Shiu Hung Cheung | Pay-tv system |
IL58735A (en) * | 1978-12-04 | 1982-01-31 | Oak Industries Inc | Subscription television coding system |
US4295155A (en) * | 1979-06-08 | 1981-10-13 | International Telephone And Telegraph Corporation | Gray scale sync video processing system |
-
1980
- 1980-05-14 US US06/149,707 patent/US4353088A/en not_active Expired - Lifetime
-
1981
- 1981-04-28 IL IL62736A patent/IL62736A0/xx unknown
- 1981-05-05 CA CA000376915A patent/CA1175553A/en not_active Expired
- 1981-05-05 GB GB8113685A patent/GB2077547B/en not_active Expired
- 1981-05-13 CH CH3112/81A patent/CH654707A5/de not_active IP Right Cessation
- 1981-05-13 DE DE3119015A patent/DE3119015C2/de not_active Expired
- 1981-05-13 BR BR8102970A patent/BR8102970A/pt not_active IP Right Cessation
- 1981-05-13 FR FR8109505A patent/FR2482815B1/fr not_active Expired
- 1981-05-13 NL NLAANVRAGE8102351,A patent/NL189991C/xx not_active IP Right Cessation
- 1981-05-14 JP JP7286581A patent/JPS5717288A/ja active Pending
- 1981-05-14 MX MX187313A patent/MX150241A/es unknown
- 1981-05-14 GR GR64949A patent/GR74541B/el unknown
- 1981-05-14 AU AU70561/81A patent/AU534856B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
NL8102351A (nl) | 1981-12-01 |
CH654707A5 (de) | 1986-02-28 |
US4353088A (en) | 1982-10-05 |
DE3119015A1 (de) | 1982-02-25 |
DE3119015C2 (de) | 1983-12-08 |
GB2077547B (en) | 1984-05-23 |
FR2482815B1 (fr) | 1985-11-29 |
GB2077547A (en) | 1981-12-16 |
NL189991C (nl) | 1993-09-16 |
BR8102970A (pt) | 1982-02-02 |
MX150241A (es) | 1984-04-04 |
JPS5717288A (en) | 1982-01-28 |
CA1175553A (en) | 1984-10-02 |
AU7056181A (en) | 1981-11-19 |
FR2482815A1 (fr) | 1981-11-20 |
NL189991B (nl) | 1993-04-16 |
GR74541B (xx) | 1984-06-29 |
AU534856B2 (en) | 1984-02-16 |
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