DE69838335D1 - Hochfrequenzausgabevorrichtung für kabelfernsehen - Google Patents

Hochfrequenzausgabevorrichtung für kabelfernsehen

Info

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
Application number
DE69838335T
Other languages
English (en)
Other versions
DE69838335T2 (de
Inventor
Chikashi Nakagawara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69838335D1 publication Critical patent/DE69838335D1/de
Publication of DE69838335T2 publication Critical patent/DE69838335T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69838335T 1997-04-28 1998-04-28 Hochfrequenzausgabevorrichtung für kabelfernsehen Expired - Fee Related DE69838335T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11142297 1997-04-28
JP11142297A JP3339797B2 (ja) 1997-04-28 1997-04-28 Ｃａｔｖ用ｒｆ出力回路
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JP3339797B2 (ja) 2002-10-28
KR20010012121A (ko) 2001-02-15
EP1014721A1 (de) 2000-06-28
DE69838335T2 (de) 2008-05-21
KR100339618B1 (ko) 2002-06-05
JPH10304266A (ja) 1998-11-13
WO1998049836A1 (fr) 1998-11-05
EP1014721A4 (de) 2005-06-29
EP1014721B1 (de) 2007-08-29
US6181365B1 (en) 2001-01-30

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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