DE69416183T2 - Anordnung zur Verschlüsselung eines Videosignals - Google Patents
Anordnung zur Verschlüsselung eines VideosignalsInfo
- Publication number
- DE69416183T2 DE69416183T2 DE69416183T DE69416183T DE69416183T2 DE 69416183 T2 DE69416183 T2 DE 69416183T2 DE 69416183 T DE69416183 T DE 69416183T DE 69416183 T DE69416183 T DE 69416183T DE 69416183 T2 DE69416183 T2 DE 69416183T2
- Authority
- DE
- Germany
- Prior art keywords
- encrypting
- arrangement
- video signal
- video
- signal
- 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.)
- Expired - Fee Related
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
- H04N7/169—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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5113804A JPH06133314A (ja) | 1992-09-03 | 1993-04-15 | 映像信号秘匿化処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69416183D1 DE69416183D1 (de) | 1999-03-11 |
DE69416183T2 true DE69416183T2 (de) | 1999-06-10 |
Family
ID=14621491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69416183T Expired - Fee Related DE69416183T2 (de) | 1993-04-15 | 1994-04-13 | Anordnung zur Verschlüsselung eines Videosignals |
Country Status (5)
Country | Link |
---|---|
US (1) | US5488658A (de) |
EP (1) | EP0620690B1 (de) |
AU (1) | AU676265B2 (de) |
CA (1) | CA2121446C (de) |
DE (1) | DE69416183T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5903704A (en) * | 1994-08-26 | 1999-05-11 | Hitachi, Ltd. | Apparatus for selectively recording and reproducing received analog and digital signals |
JP3294739B2 (ja) * | 1995-03-30 | 2002-06-24 | 三洋電機株式会社 | Fm多重放送のスクランブルまたはデスクランブル方法 |
CA2248909A1 (en) | 1996-03-15 | 1997-09-25 | Zapa Digital Arts Ltd. | System for producing an animation sequence according to character behaviour characteristics |
JPH1056361A (ja) * | 1996-08-07 | 1998-02-24 | Matsushita Electric Ind Co Ltd | 疑似雑音系列発生器 |
JP3639424B2 (ja) * | 1998-01-30 | 2005-04-20 | 三洋電機株式会社 | アドレス発生回路 |
WO2008010689A1 (en) * | 2006-07-20 | 2008-01-24 | Electronics And Telecommunications Research Institute | Method for generating the counter block value |
US20080152142A1 (en) * | 2006-12-20 | 2008-06-26 | Mark Buer | Memory scrambler unit (msu) |
JP4528846B2 (ja) * | 2008-04-21 | 2010-08-25 | シャープ株式会社 | 画像圧縮方法、画像圧縮装置、画像処理装置、画像形成装置、コンピュータプログラム及び記録媒体 |
US8584167B2 (en) | 2011-05-31 | 2013-11-12 | Echostar Technologies L.L.C. | Electronic programming guides combining stored content information and content provider schedule information |
US9185331B2 (en) | 2011-08-23 | 2015-11-10 | Echostar Technologies L.L.C. | Storing multiple instances of content |
US9357159B2 (en) | 2011-08-23 | 2016-05-31 | Echostar Technologies L.L.C. | Grouping and presenting content |
US8763027B2 (en) | 2011-08-23 | 2014-06-24 | Echostar Technologies L.L.C. | Recording additional channels of a shared multi-channel transmitter |
US8660412B2 (en) | 2011-08-23 | 2014-02-25 | Echostar Technologies L.L.C. | System and method for dynamically adjusting recording parameters |
US8959566B2 (en) | 2011-08-23 | 2015-02-17 | Echostar Technologies L.L.C. | Storing and reading multiplexed content |
US8437622B2 (en) | 2011-08-23 | 2013-05-07 | Echostar Technologies L.L.C. | Altering presentation of received content based on use of closed captioning elements as reference locations |
US8627349B2 (en) | 2011-08-23 | 2014-01-07 | Echostar Technologies L.L.C. | User interface |
US8850476B2 (en) | 2011-08-23 | 2014-09-30 | Echostar Technologies L.L.C. | Backwards guide |
US8447170B2 (en) | 2011-08-23 | 2013-05-21 | Echostar Technologies L.L.C. | Automatically recording supplemental content |
US9621946B2 (en) | 2011-08-23 | 2017-04-11 | Echostar Technologies L.L.C. | Frequency content sort |
US9489981B2 (en) | 2012-03-15 | 2016-11-08 | Echostar Technologies L.L.C. | Successive initialization of television channel recording |
US8959544B2 (en) | 2012-03-15 | 2015-02-17 | Echostar Technologies L.L.C. | Descrambling of multiple television channels |
US8819722B2 (en) | 2012-03-15 | 2014-08-26 | Echostar Technologies L.L.C. | Smartcard encryption cycling |
US8989562B2 (en) | 2012-03-15 | 2015-03-24 | Echostar Technologies L.L.C. | Facilitating concurrent recording of multiple television channels |
CN104685543B (zh) * | 2012-09-27 | 2017-04-12 | 三菱电机株式会社 | 图形描绘装置 |
US8793724B2 (en) | 2012-11-08 | 2014-07-29 | Eldon Technology Limited | Image domain compliance |
US9628838B2 (en) | 2013-10-01 | 2017-04-18 | Echostar Technologies L.L.C. | Satellite-based content targeting |
US9756378B2 (en) | 2015-01-07 | 2017-09-05 | Echostar Technologies L.L.C. | Single file PVR per service ID |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4547802A (en) * | 1983-04-29 | 1985-10-15 | Westinghouse Electric Corp. | TV Scrambler/descrambler using serial memories |
FR2642597A1 (fr) * | 1989-01-27 | 1990-08-03 | Labo Electronique Physique | Etage d'emission pour systeme de transmission d'images de television a definition etendue, systeme de transmission incluant un tel etage, et etage de reception pour un tel systeme |
DE3927338A1 (de) * | 1989-08-18 | 1991-02-21 | Ind Technik Ips Gmbh | Verfahren und schaltungsanordnung zur fernsehbildverwuerfelung |
DE69125756T2 (de) * | 1990-06-29 | 1997-12-18 | Digital Equipment Corp | Verfahren und Einrichtung zur Entschlüsselung eines Informationspakets mit einem modifizierbaren Format |
EP0560345B1 (de) * | 1992-03-13 | 1997-06-18 | Matsushita Electric Industrial Co., Ltd. | Verwürfelungskodierer und Fernsehempfänger, der diesen verwendet |
US5455860A (en) * | 1992-04-17 | 1995-10-03 | Matsushita Electric Industrial Co., Ltd. | Scramble codec |
-
1994
- 1994-04-13 EP EP94302618A patent/EP0620690B1/de not_active Expired - Lifetime
- 1994-04-13 DE DE69416183T patent/DE69416183T2/de not_active Expired - Fee Related
- 1994-04-15 US US08/228,220 patent/US5488658A/en not_active Expired - Lifetime
- 1994-04-15 AU AU59455/94A patent/AU676265B2/en not_active Ceased
- 1994-04-15 CA CA002121446A patent/CA2121446C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2121446C (en) | 2001-07-10 |
EP0620690A1 (de) | 1994-10-19 |
AU676265B2 (en) | 1997-03-06 |
CA2121446A1 (en) | 1994-10-16 |
US5488658A (en) | 1996-01-30 |
AU5945594A (en) | 1994-10-20 |
DE69416183D1 (de) | 1999-03-11 |
EP0620690B1 (de) | 1999-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |
|
8339 | Ceased/non-payment of the annual fee |