DE69838335D1 - Hochfrequenzausgabevorrichtung für kabelfernsehen - Google Patents
Hochfrequenzausgabevorrichtung für kabelfernsehenInfo
- Publication number
- DE69838335D1 DE69838335D1 DE69838335T DE69838335T DE69838335D1 DE 69838335 D1 DE69838335 D1 DE 69838335D1 DE 69838335 T DE69838335 T DE 69838335T DE 69838335 T DE69838335 T DE 69838335T DE 69838335 D1 DE69838335 D1 DE 69838335D1
- Authority
- DE
- Germany
- Prior art keywords
- output device
- frequency output
- cable televisions
- televisions
- cable
- 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
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6168—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving cable transmission, e.g. using a cable modem
-
- 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
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
- H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
- H04H60/93—Wired transmission systems
- H04H60/96—CATV systems
- H04H60/97—CATV systems using uplink of the CATV systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6118—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving cable transmission, e.g. using a cable modem
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Transmitters (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11142297A JP3339797B2 (ja) | 1997-04-28 | 1997-04-28 | Catv用rf出力回路 |
JP11142297 | 1997-04-28 | ||
PCT/JP1998/001950 WO1998049836A1 (fr) | 1997-04-28 | 1998-04-28 | Unite de sortie hf pour teledistribution |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69838335D1 true DE69838335D1 (de) | 2007-10-11 |
DE69838335T2 DE69838335T2 (de) | 2008-05-21 |
Family
ID=14560785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69838335T Expired - Fee Related DE69838335T2 (de) | 1997-04-28 | 1998-04-28 | Hochfrequenzausgabevorrichtung für kabelfernsehen |
Country Status (6)
Country | Link |
---|---|
US (1) | US6181365B1 (de) |
EP (1) | EP1014721B1 (de) |
JP (1) | JP3339797B2 (de) |
KR (1) | KR100339618B1 (de) |
DE (1) | DE69838335T2 (de) |
WO (1) | WO1998049836A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6615407B1 (en) * | 1999-02-19 | 2003-09-02 | Masprodenkoh Kabushikikaisha | In-building CATV system, and up-converter and down-converter for use therein |
KR100561385B1 (ko) * | 1999-05-27 | 2006-03-16 | 삼성전자주식회사 | 노이즈 저감장치 |
US6888883B1 (en) * | 1999-06-25 | 2005-05-03 | Cisco Technology, Inc. | Method and apparatus for reducing noise leakage from a cable modem |
US7047555B1 (en) * | 1999-07-23 | 2006-05-16 | Masprodenkoh Kabushikikaisha | In-building CATV system, down-converter, up-converter and amplifier |
US6574944B2 (en) * | 2001-06-19 | 2003-06-10 | Mars Incorporated | Method and system for ultrasonic sealing of food product packaging |
GB201113130D0 (en) * | 2011-07-29 | 2011-09-14 | Bae Systems Plc | Radio frequency communication |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6352533A (ja) | 1986-08-22 | 1988-03-05 | Taisei Corp | 双方向catv網を使用した多チヤンネルデ−タ通信方法とその装置 |
JPS63198493A (ja) | 1987-02-12 | 1988-08-17 | Alps Electric Co Ltd | Catv端末装置のデ−タ送信機 |
JPH0498989A (ja) | 1990-08-16 | 1992-03-31 | Nec Corp | 双方向catvシステムの分岐器・分配器及びその回線制御方法 |
JPH04273716A (ja) * | 1991-02-28 | 1992-09-29 | Ricoh Co Ltd | アナログスイッチ |
JPH05304672A (ja) | 1992-04-27 | 1993-11-16 | Hochiki Corp | 流合雑音防止回路 |
JPH0694668B2 (ja) | 1992-09-10 | 1994-11-24 | 日本テトラポッド株式会社 | 地盤の強化方法 |
JPH06169247A (ja) * | 1992-11-30 | 1994-06-14 | New Japan Radio Co Ltd | アナログスイッチ |
CA1336340C (en) * | 1993-10-29 | 1995-07-18 | Michel Dufresne | Catv network with filters |
JPH08265382A (ja) * | 1995-03-28 | 1996-10-11 | Toshiba Corp | 位相補正復調方式及び位相補正復調装置 |
JPH09200277A (ja) | 1996-01-12 | 1997-07-31 | Furukawa Electric Co Ltd:The | 変調波出力遮断回路を有する変調器 |
US5893024A (en) * | 1996-08-13 | 1999-04-06 | Motorola, Inc. | Data communication apparatus and method thereof |
US6094211A (en) * | 1996-08-15 | 2000-07-25 | Com21, Inc. | TV and data cable system ingress noise blocker |
-
1997
- 1997-04-28 JP JP11142297A patent/JP3339797B2/ja not_active Expired - Fee Related
-
1998
- 1998-04-28 EP EP98917718A patent/EP1014721B1/de not_active Expired - Lifetime
- 1998-04-28 DE DE69838335T patent/DE69838335T2/de not_active Expired - Fee Related
- 1998-04-28 US US09/403,874 patent/US6181365B1/en not_active Expired - Fee Related
- 1998-04-28 WO PCT/JP1998/001950 patent/WO1998049836A1/ja active IP Right Grant
- 1998-04-28 KR KR19997009920A patent/KR100339618B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20010012121A (ko) | 2001-02-15 |
WO1998049836A1 (fr) | 1998-11-05 |
EP1014721A1 (de) | 2000-06-28 |
EP1014721A4 (de) | 2005-06-29 |
EP1014721B1 (de) | 2007-08-29 |
KR100339618B1 (ko) | 2002-06-05 |
DE69838335T2 (de) | 2008-05-21 |
JP3339797B2 (ja) | 2002-10-28 |
US6181365B1 (en) | 2001-01-30 |
JPH10304266A (ja) | 1998-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |