IL107825A - In-band/out-of-band data transmission method and apparatus for a television system - Google Patents
In-band/out-of-band data transmission method and apparatus for a television systemInfo
- Publication number
- IL107825A IL107825A IL10782593A IL10782593A IL107825A IL 107825 A IL107825 A IL 107825A IL 10782593 A IL10782593 A IL 10782593A IL 10782593 A IL10782593 A IL 10782593A IL 107825 A IL107825 A IL 107825A
- Authority
- IL
- Israel
- Prior art keywords
- band
- data transmission
- transmission method
- television system
- band data
- Prior art date
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
-
- 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)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US98376692A | 1992-12-01 | 1992-12-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL107825A0 IL107825A0 (en) | 1994-04-12 |
IL107825A true IL107825A (en) | 1997-08-14 |
Family
ID=25530083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL10782593A IL107825A (en) | 1992-12-01 | 1993-12-01 | In-band/out-of-band data transmission method and apparatus for a television system |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN1092586A (zh) |
AU (1) | AU5683994A (zh) |
IL (1) | IL107825A (zh) |
WO (1) | WO1994013108A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0153824B1 (ko) * | 1995-03-16 | 1998-11-16 | 김영환 | 광케이블 텔레비젼용 분산형 가입자 댁내 장치 및 전원 감시 장치 |
US7082398B1 (en) | 1996-01-16 | 2006-07-25 | The Nasdaq Stock Market, Inc. | Media wall for displaying financial information |
CN100384250C (zh) * | 2000-02-24 | 2008-04-23 | 北京华诺信息技术有限公司 | 一种在模拟电视基带信号中插入数据的方法 |
AU2003253956A1 (en) * | 2002-07-15 | 2004-02-02 | Integra5 Communication Inc. | Context aware transmission management method |
WO2004018060A2 (en) * | 2002-08-21 | 2004-03-04 | Lime Studios Limited | Improvements to interactive tv games system |
CN102131104A (zh) * | 2011-03-22 | 2011-07-20 | 中广传播集团有限公司 | 加扰业务的方法 |
CN107273091B (zh) * | 2016-04-08 | 2020-11-10 | 佛山市顺德区顺达电脑厂有限公司 | 在带内数据环境中下达非带内数据格式指令的系统及方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4319273A (en) * | 1979-10-26 | 1982-03-09 | Rca Corporation | Television signal with encoded synchronizing signals |
EP0049280B1 (en) * | 1980-03-31 | 1990-10-31 | General Instrument Corporation | A television communication arrangement for transmitting data signals |
US4335402A (en) * | 1980-07-01 | 1982-06-15 | Rca Corporation | Information transmission during first-equalizing pulse interval in television |
US4568974A (en) * | 1982-10-28 | 1986-02-04 | Oak Industries Inc. | Video scrambling by the application of a variable periodic scrambling waveform |
JPS59152786A (ja) * | 1983-02-18 | 1984-08-31 | Sanyo Electric Co Ltd | Catv放送におけるスクランブル方式 |
US4620227A (en) * | 1984-01-30 | 1986-10-28 | Cybernetic Data Products | Data decoder |
US4890319A (en) * | 1984-09-21 | 1989-12-26 | Scientific-Atlantic, Inc. | Method for controlling copying of protected information transmitted over a communications link |
US4815129A (en) * | 1985-01-02 | 1989-03-21 | General Instrument Corp. | Video encryption system |
US4914694A (en) * | 1988-04-11 | 1990-04-03 | Eidak Corporation | Modifying a television signal to inhibit recording/reproduction |
US4924498A (en) * | 1988-04-29 | 1990-05-08 | Scientific Atlanta, Inc. | Method and apparatus for improving video scrambling and employing split snyc pulses |
US5058160A (en) * | 1988-04-29 | 1991-10-15 | Scientific-Atlanta, Inc. | In-band controller |
US4994908A (en) * | 1988-12-23 | 1991-02-19 | Scientific-Atlanta, Inc. | Interactive room status/time information system |
US4991011A (en) * | 1988-12-23 | 1991-02-05 | Scientific-Atlanta, Inc. | Interactive television terminal with programmable background audio or video |
JP2697231B2 (ja) * | 1990-03-12 | 1998-01-14 | 松下電器産業株式会社 | Catvシステム |
US5140420A (en) * | 1990-10-05 | 1992-08-18 | General Electric Company | Information in vertical blanking interval of video sync signal |
US5257396A (en) * | 1991-09-17 | 1993-10-26 | Zenith Electronics Corporation | Dual in-band/out-of-band CATV system |
US5223930A (en) * | 1991-10-18 | 1993-06-29 | Zenith Electronics Corporation | Data recovery system using dot clock counting |
US5247364A (en) * | 1991-11-29 | 1993-09-21 | Scientific-Atlanta, Inc. | Method and apparatus for tuning data channels in a subscription television system having in-band data transmissions |
-
1993
- 1993-12-01 CN CN93121704.0A patent/CN1092586A/zh active Pending
- 1993-12-01 AU AU56839/94A patent/AU5683994A/en not_active Abandoned
- 1993-12-01 IL IL10782593A patent/IL107825A/xx not_active IP Right Cessation
- 1993-12-01 WO PCT/US1993/011648 patent/WO1994013108A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
IL107825A0 (en) | 1994-04-12 |
WO1994013108A1 (en) | 1994-06-09 |
CN1092586A (zh) | 1994-09-21 |
AU5683994A (en) | 1994-06-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU3222693A (en) | Method and apparatus for tuning data channels in a subscription television system having in-band data transmissions | |
GB9316746D0 (en) | Method and apparatus for synchronizing a time division duplexing communication system | |
EP0597262A3 (en) | Method and apparatus for gradually degrading video data. | |
IL102394A0 (en) | Method and apparatus for secure data transmission | |
PL314846A1 (en) | Method of and apparatus for cherent telecommunicational receiving in a distributed spectrum telecommunication system | |
EP0563620A3 (en) | Method and apparatus for coupling data processing systems | |
EP0719046A3 (en) | Method and apparatus for video data management | |
GB2268035B (en) | A real time data imaging network system and a method of operating same | |
EP0717564A3 (en) | Copy protection method and apparatus for digital video system | |
AU4078393A (en) | Apparatus and method for single line electrical transmission | |
EP0733963A3 (en) | Method and device for entering alphanumeric data | |
EP0472486A3 (en) | System and method for controlling data transmission | |
AU3699493A (en) | Data transmission method and apparatus | |
EP0602853A3 (en) | System and method for operating a multitone imaging apparatus. | |
GB9426469D0 (en) | Apparatus and method for data transmission | |
GB9903530D0 (en) | An apparatus and a method for a telecommunication system | |
GB2296625B (en) | Apparatus and method for data transmission | |
IL107825A (en) | In-band/out-of-band data transmission method and apparatus for a television system | |
EP0598393A3 (en) | Method and device for removing the outer shell. | |
GB9325993D0 (en) | Method and apparatus for connection | |
HUP9601605A3 (en) | A method and apparatus for transmitting additonal data in television channels | |
EP0575171A3 (en) | Improved method and device for systems management. | |
EP0559100A3 (en) | Method and apparatus for data distribution | |
IL115915A0 (en) | A method and apparatus for viewing | |
EP0690613A3 (en) | System and method for compressing halftone images |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
RH | Patent void |