JPS5222418A - Safety television transmitter - Google Patents
Safety television transmitterInfo
- Publication number
- JPS5222418A JPS5222418A JP51094082A JP9408276A JPS5222418A JP S5222418 A JPS5222418 A JP S5222418A JP 51094082 A JP51094082 A JP 51094082A JP 9408276 A JP9408276 A JP 9408276A JP S5222418 A JPS5222418 A JP S5222418A
- Authority
- JP
- Japan
- Prior art keywords
- safety
- television transmitter
- television
- transmitter
- safety television
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
- H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
-
- 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
- H04N7/169—Systems operating in the time domain of the television signal
- H04N7/1696—Systems operating in the time domain of the television signal by changing or reversing the order of active picture signal portions
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 |
---|---|---|---|
US60307575A | 1975-08-08 | 1975-08-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5222418A true JPS5222418A (en) | 1977-02-19 |
JPS6118911B2 JPS6118911B2 (ja) | 1986-05-14 |
Family
ID=24414001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51094082A Granted JPS5222418A (en) | 1975-08-08 | 1976-08-09 | Safety television transmitter |
Country Status (7)
Country | Link |
---|---|
US (1) | US4070693A (ja) |
JP (1) | JPS5222418A (ja) |
BR (1) | BR7605113A (ja) |
CA (1) | CA1097794A (ja) |
DE (1) | DE2635039C2 (ja) |
FR (1) | FR2320676A1 (ja) |
GB (1) | GB1503051A (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5575576A (en) * | 1977-10-25 | 1980-06-06 | Yoshinori Miyashita | Underwater hydraulic power plant utilizing seawater head |
JPS55114088A (en) * | 1979-02-20 | 1980-09-03 | Payview Ltd | Information encoder |
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 |
JPS59122094A (ja) * | 1982-12-27 | 1984-07-14 | Sony Corp | 映像信号の盗聴防止方式 |
JPS59194563A (ja) * | 1983-04-19 | 1984-11-05 | Mitsubishi Electric Corp | 原稿読取装置 |
JPS59229982A (ja) * | 1983-04-29 | 1984-12-24 | ウエスチングハウス エレクトリック コ−ポレ−ション | Tvビデオ信号スクランブラ/デイスクランブラ装置 |
JPS6014586A (ja) * | 1983-06-20 | 1985-01-25 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | テレビジヨン伝送方式 |
JPS6041382A (ja) * | 1983-05-13 | 1985-03-05 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 視覚スクランブリング制御ワ−ド発生方法及びテレビジヨン受像機 |
JPS6074888A (ja) * | 1983-09-30 | 1985-04-27 | Nippon Hoso Kyokai <Nhk> | 画像スクランブル・デスクランブル方式 |
JPS60500985A (ja) * | 1983-03-03 | 1985-06-27 | インデペンデント・ブロ−ドキヤステイング・オ−ソリテイ | ビデオ用ダイナミックノイズ軽減 |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2431809A1 (fr) * | 1978-07-20 | 1980-02-15 | Telediffusion Fse | Procedes et dispositifs de brouillage et de debrouillage pour images de television |
US4459611A (en) * | 1978-08-28 | 1984-07-10 | Fuji Xerox Co., Ltd. | Image conversion system |
US4318125A (en) * | 1979-04-25 | 1982-03-02 | Westinghouse Electric Corp. | Solid state digital audio scrambler system for teletransmission of audio intelligence through a television system |
US4295223A (en) * | 1979-04-25 | 1981-10-13 | Westinghouse Electric Corp. | Digital signal/noise ratio amplifier apparatus for a communication system |
US4266243A (en) * | 1979-04-25 | 1981-05-05 | Westinghouse Electric Corp. | Scrambling system for television sound signals |
FR2459595A1 (fr) * | 1979-06-15 | 1981-01-09 | Telediffusion Fse | Systeme de television a controle d'acces utilisant une cle electronique variable |
US4319273A (en) * | 1979-10-26 | 1982-03-09 | Rca Corporation | Television signal with encoded synchronizing signals |
CA1182555A (en) * | 1980-02-25 | 1985-02-12 | Robert S. Block | Method and system for secure transmission and reception of video information, particularly for television |
US4405942A (en) * | 1981-02-25 | 1983-09-20 | Telease, Inc. | Method and system for secure transmission and reception of video information, particularly for television |
US4965825A (en) | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
USRE47642E1 (en) | 1981-11-03 | 2019-10-08 | Personalized Media Communications LLC | Signal processing apparatus and methods |
US7831204B1 (en) | 1981-11-03 | 2010-11-09 | Personalized Media Communications, Llc | Signal processing apparatus and methods |
USRE33189E (en) * | 1981-11-19 | 1990-03-27 | Communications Satellite Corporation | Security system for SSTV encryption |
CA1338158C (en) * | 1982-07-15 | 1996-03-12 | John D. Lowry | Encryption and decryption (scrambling and unscrambling) of video signals |
US4600942A (en) * | 1982-07-29 | 1986-07-15 | Telease, Inc. | Secure coding and decoding system and method for television program signals |
CA1253616A (en) * | 1982-07-29 | 1989-05-02 | Robert W. Field | Secure coding and decoding system and method for television program signals |
FR2533099A1 (fr) * | 1982-09-14 | 1984-03-16 | Radiotechnique | Procede de brouillage d'images de television et dispositif de dechiffrage d'images ainsi brouillees |
US4549175A (en) * | 1982-10-06 | 1985-10-22 | Dainichi-Nippon Cables, Ltd. | Image transmission apparatus using a random arrangement of optical fibers |
JPS59111441A (ja) * | 1982-12-17 | 1984-06-27 | Sony Corp | 音声信号の秘話方式 |
US4575754A (en) * | 1983-01-06 | 1986-03-11 | Rca Corporation | Video scrambler system |
FR2543386B1 (fr) * | 1983-03-21 | 1987-03-20 | Telediffusion Fse | Procedes et dispositifs d'embrouillage et de desembrouillage pour images de television |
FR2607341A1 (fr) * | 1983-03-21 | 1988-05-27 | Telediffusion Fse | Procede d'embrouillage et de desembrouillage pour images de television |
WO1984004013A1 (en) * | 1983-03-28 | 1984-10-11 | Indep Broadcasting Authority | Encryption of television signals |
US4563702A (en) * | 1983-05-27 | 1986-01-07 | M/A-Com Linkabit, Inc. | Video signal scrambling and descrambling systems |
US4611231A (en) * | 1983-05-31 | 1986-09-09 | Matsushita Electric Industrial Co., Ltd. | Signal processing apparatus for a video signal |
EP0129299A3 (en) * | 1983-06-20 | 1986-03-19 | Philips Electronics Uk Limited | Secure television transmission system |
US4642688A (en) * | 1983-06-24 | 1987-02-10 | Scientific Atlanta, Inc. | Method and apparatus for creating encrypted and decrypted television signals |
JPS60102074A (ja) * | 1983-11-09 | 1985-06-06 | Nec Corp | テレビジヨン映像信号スクランブル方式 |
US4605961A (en) * | 1983-12-22 | 1986-08-12 | Frederiksen Jeffrey E | Video transmission system using time-warp scrambling |
EP0250661A1 (en) * | 1986-06-25 | 1988-01-07 | FREDERIKSEN & SHU LABORATORIES, INC. | Video transmission system using time-warp scrambling |
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 |
US4742544A (en) * | 1984-07-09 | 1988-05-03 | Kupnicki Richard A | Television transmission network with scrambling and descrambling |
US4677434A (en) * | 1984-10-17 | 1987-06-30 | Lotus Information Network Corp. | Access control system for transmitting data from a central station to a plurality of receiving stations and method therefor |
BE901468A (fr) * | 1985-01-09 | 1985-05-02 | Belge Radio Television | Procede de codage et de decodage d'informations et appareil pour sa mise en oeuvre. |
US4620224A (en) * | 1985-04-03 | 1986-10-28 | Communications Satellite Corp. | Video scrambling technique for multiplexed analog component formats |
US4727411A (en) * | 1985-04-17 | 1988-02-23 | Kabushiki Kaisha Toshiba | Mirror image generator for composite signals with chroma inversion |
FR2584556B1 (fr) * | 1985-07-02 | 1987-09-18 | France Etat | Procede d'embrouillage et de desembrouillage d'images de television |
US4964162A (en) * | 1985-09-09 | 1990-10-16 | Trw Inc. | Secure television signal encoding and decoding system |
US4827510A (en) * | 1986-02-24 | 1989-05-02 | Trw Inc. | Minimization of amplitude gaps in a line-spin scrambled video signal |
US4663659A (en) * | 1985-10-31 | 1987-05-05 | Rca Corporation | Video signal scrambling system employing full line reversal and double burst coding |
EP0242469A1 (en) * | 1986-04-23 | 1987-10-28 | AMERICAN TELEVISION & COMMUNICATIONS CORPORATION | Video scrambling system with line tilt correction |
US4736420A (en) * | 1986-09-19 | 1988-04-05 | M/A-Com Government Systems, Inc. | Video scrambling by segmenting video information lines |
IL83549A (en) * | 1987-08-16 | 1992-08-18 | Yossi Matias | Video scrambling apparatus and method based on space filling curves |
DE3812665A1 (de) * | 1988-04-15 | 1989-10-26 | Siemens Ag | Verfahren zur uebertragung von videosignalen |
FR2631193B1 (fr) * | 1988-05-06 | 1994-09-16 | Europ Rech Electr Lab | Procede d'embrouillage et de desembrouillage de signaux video composites, et dispositif de mise en oeuvre |
US4916736A (en) * | 1988-06-07 | 1990-04-10 | Macrovision Corporation | Method and apparatus for encrypting and decrypting time domain signals |
US5058157A (en) * | 1989-09-06 | 1991-10-15 | Macrovision Corporation | Method and apparatus for encrypting and decrypting time domain signals |
US5014310A (en) * | 1989-12-18 | 1991-05-07 | General Instrument Corporation | Video scrambling and descrambling by varying sequence of segments in adjacent video information lines |
US5262874A (en) * | 1990-06-06 | 1993-11-16 | Macrovision Corporation | Method and apparatus for recording and replaying field-length-modulated video signals |
MY108367A (en) * | 1991-09-30 | 1996-09-30 | Thomson Consumer Electronics S A | Method and apparatus for secure transmisson of video signals. |
US5491563A (en) * | 1992-02-04 | 1996-02-13 | Aliroo Ltd. | Apparatus for scrambling and unscrambling documents |
CA2094228C (en) * | 1992-04-17 | 2000-06-20 | Masayoshi Hirashima | Video recorder |
US6769128B1 (en) | 1995-06-07 | 2004-07-27 | United Video Properties, Inc. | Electronic television program guide schedule system and method with data feed access |
US6469753B1 (en) * | 1996-05-03 | 2002-10-22 | Starsight Telecast, Inc. | Information system |
US8635649B2 (en) * | 1996-12-19 | 2014-01-21 | Gemstar Development Corporation | System and method for modifying advertisement responsive to EPG information |
US5970095A (en) * | 1997-04-14 | 1999-10-19 | Lockheed Martin Corporation | Secure data transmission on a TDM isochronous network |
ATE235780T1 (de) | 1997-07-21 | 2003-04-15 | Guide E Inc | Verfahren zum navigieren in einem fernsehprogrammführer mit werbung |
US6604240B2 (en) * | 1997-10-06 | 2003-08-05 | United Video Properties, Inc. | Interactive television program guide system with operator showcase |
IL122272A (en) | 1997-11-21 | 2005-06-19 | Nds Ltd | Symbol display system |
US6408019B1 (en) | 1997-12-29 | 2002-06-18 | Georgia Tech Research Corporation | System and method for communication using noise |
EP2076033A3 (en) * | 1998-03-04 | 2009-09-30 | United Video Properties, Inc. | Program guide system with targeted advertising |
US6564379B1 (en) * | 1998-04-30 | 2003-05-13 | United Video Properties, Inc. | Program guide system with flip and browse advertisements |
US20020095676A1 (en) | 1998-05-15 | 2002-07-18 | Robert A. Knee | Interactive television program guide system for determining user values for demographic categories |
US6898762B2 (en) | 1998-08-21 | 2005-05-24 | United Video Properties, Inc. | Client-server electronic program guide |
US8380726B2 (en) | 2006-03-06 | 2013-02-19 | Veveo, Inc. | Methods and systems for selecting and presenting content based on a comparison of preference signatures from multiple users |
US8316394B2 (en) | 2006-03-24 | 2012-11-20 | United Video Properties, Inc. | Interactive media guidance application with intelligent navigation and display features |
US8832742B2 (en) | 2006-10-06 | 2014-09-09 | United Video Properties, Inc. | Systems and methods for acquiring, categorizing and delivering media in interactive media guidance applications |
US7801888B2 (en) | 2007-03-09 | 2010-09-21 | Microsoft Corporation | Media content search results ranked by popularity |
US9166714B2 (en) | 2009-09-11 | 2015-10-20 | Veveo, Inc. | Method of and system for presenting enriched video viewing analytics |
WO2012094564A1 (en) | 2011-01-06 | 2012-07-12 | Veveo, Inc. | Methods of and systems for content search based on environment sampling |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT128060B (de) * | 1930-09-20 | 1932-05-10 | Marijan Jaksic | Chiffrieranordnung für Fernsehzwecke. |
US3810174A (en) * | 1969-11-28 | 1974-05-07 | Hughes Aircraft Co | Digital scan converter |
US3821731A (en) * | 1971-06-07 | 1974-06-28 | Ann Arbor Terminals Inc | Graphics display system and method |
US3921151A (en) * | 1971-06-21 | 1975-11-18 | Patelhold Patentwerwertungs & | Apparatus for enciphering transmitted data by interchanging signal elements of the transmitted data without overlapping or omitting any elements within the transmitted signal train |
US3746799A (en) * | 1971-09-27 | 1973-07-17 | Us Navy | Method and apparatus for encoding and decoding analog signals |
FR2207627A5 (ja) * | 1972-11-22 | 1974-06-14 | Dassault Electronique | |
US3830966A (en) * | 1973-01-03 | 1974-08-20 | Eg & G Inc | Apparatus and method for transmitting a bandwidth compressed digital signal representation of a visible image |
DE2307441C1 (de) * | 1973-02-15 | 1975-05-07 | Licentia Gmbh | Verfahren zum Verschleiern von Sprachsignalen |
US3919462A (en) * | 1973-08-15 | 1975-11-11 | System Dev Corp | Method and apparatus for scrambling and unscrambling communication signals |
US3925611A (en) * | 1974-08-12 | 1975-12-09 | Bell Telephone Labor Inc | Combined scrambler-encoder for multilevel digital data |
US3958081A (en) * | 1975-02-24 | 1976-05-18 | International Business Machines Corporation | Block cipher system for data security |
-
1976
- 1976-07-15 CA CA256,991A patent/CA1097794A/en not_active Expired
- 1976-08-04 DE DE2635039A patent/DE2635039C2/de not_active Expired
- 1976-08-05 BR BR7605113A patent/BR7605113A/pt unknown
- 1976-08-06 GB GB32820/76A patent/GB1503051A/en not_active Expired
- 1976-08-09 JP JP51094082A patent/JPS5222418A/ja active Granted
- 1976-08-09 FR FR7624304A patent/FR2320676A1/fr active Granted
-
1977
- 1977-03-10 US US05/776,329 patent/US4070693A/en not_active Expired - Lifetime
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5575576A (en) * | 1977-10-25 | 1980-06-06 | Yoshinori Miyashita | Underwater hydraulic power plant utilizing seawater head |
JPS55114088A (en) * | 1979-02-20 | 1980-09-03 | Payview Ltd | Information encoder |
JPH0292280U (ja) * | 1979-02-20 | 1990-07-23 | ||
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 |
JPS59122094A (ja) * | 1982-12-27 | 1984-07-14 | Sony Corp | 映像信号の盗聴防止方式 |
JPS60500985A (ja) * | 1983-03-03 | 1985-06-27 | インデペンデント・ブロ−ドキヤステイング・オ−ソリテイ | ビデオ用ダイナミックノイズ軽減 |
JPH0221715B2 (ja) * | 1983-04-19 | 1990-05-15 | Mitsubishi Electric Corp | |
JPS59194563A (ja) * | 1983-04-19 | 1984-11-05 | Mitsubishi Electric Corp | 原稿読取装置 |
JPS59229982A (ja) * | 1983-04-29 | 1984-12-24 | ウエスチングハウス エレクトリック コ−ポレ−ション | Tvビデオ信号スクランブラ/デイスクランブラ装置 |
JPS6041382A (ja) * | 1983-05-13 | 1985-03-05 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 視覚スクランブリング制御ワ−ド発生方法及びテレビジヨン受像機 |
JPH03241988A (ja) * | 1983-05-13 | 1991-10-29 | Philips Gloeilampenfab:Nv | テレビジョン信号のスクランブル又はデスクランブル方法及びテレビジヨン受像機 |
JPS6014586A (ja) * | 1983-06-20 | 1985-01-25 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | テレビジヨン伝送方式 |
JPS6074888A (ja) * | 1983-09-30 | 1985-04-27 | Nippon Hoso Kyokai <Nhk> | 画像スクランブル・デスクランブル方式 |
Also Published As
Publication number | Publication date |
---|---|
DE2635039C2 (de) | 1985-04-18 |
FR2320676A1 (fr) | 1977-03-04 |
DE2635039A1 (de) | 1977-02-17 |
GB1503051A (en) | 1978-03-08 |
JPS6118911B2 (ja) | 1986-05-14 |
US4070693A (en) | 1978-01-24 |
BR7605113A (pt) | 1977-08-02 |
CA1097794A (en) | 1981-03-17 |
FR2320676B1 (ja) | 1983-03-18 |
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