CA2174323A1 - A Local Area Network for Simultaneous, Bi-Directional Transmission of Video Bandwidth Signals - Google Patents

A Local Area Network for Simultaneous, Bi-Directional Transmission of Video Bandwidth Signals

Info

Publication number
CA2174323A1
CA2174323A1 CA2174323A CA2174323A CA2174323A1 CA 2174323 A1 CA2174323 A1 CA 2174323A1 CA 2174323 A CA2174323 A CA 2174323A CA 2174323 A CA2174323 A CA 2174323A CA 2174323 A1 CA2174323 A1 CA 2174323A1
Authority
CA
Canada
Prior art keywords
simultaneous
area network
local area
directional transmission
video bandwidth
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
Application number
CA2174323A
Other languages
French (fr)
Other versions
CA2174323C (en
Inventor
Remy L. Fenouil
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.)
iGate Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2174323A1 publication Critical patent/CA2174323A1/en
Application granted granted Critical
Publication of CA2174323C publication Critical patent/CA2174323C/en
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
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN
    • 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
    • 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
    • H04N7/17318—Direct or substantially direct transmission and handling of requests

Abstract

A local area network for the simultaneous, bi-directional transmission of video bandwidth signals includes an economical switching matrix.
CA002174323A 1993-10-20 1994-10-18 A local area network for simultaneous, bi-directional transmission of video bandwidth signals Expired - Fee Related CA2174323C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/140,230 US5537142A (en) 1993-10-20 1993-10-20 Local area network for simultaneous, bi-directional transmission of video bandwidth signals, including a switching matrix which defines user connections, upstream connections, and downstream connections and has an efficient configuration to minimize the
US08/140,230 1993-10-20
PCT/US1994/011722 WO1995011570A1 (en) 1993-10-20 1994-10-18 A local area network for simultaneous, bi-directional transmission of video bandwidth signals

Publications (2)

Publication Number Publication Date
CA2174323A1 true CA2174323A1 (en) 1995-04-27
CA2174323C CA2174323C (en) 2000-05-16

Family

ID=22490306

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002174323A Expired - Fee Related CA2174323C (en) 1993-10-20 1994-10-18 A local area network for simultaneous, bi-directional transmission of video bandwidth signals

Country Status (17)

Country Link
US (2) US5537142A (en)
EP (4) EP1018838A1 (en)
JP (3) JP3836504B2 (en)
KR (1) KR100322769B1 (en)
CN (1) CN1108058C (en)
AT (2) ATE196220T1 (en)
AU (1) AU8078294A (en)
BR (1) BR9407842A (en)
CA (1) CA2174323C (en)
DE (2) DE69425832T2 (en)
DK (1) DK0724811T3 (en)
ES (1) ES2153436T3 (en)
FI (1) FI115365B (en)
GR (1) GR3034905T3 (en)
PT (1) PT724811E (en)
SI (1) SI0724811T1 (en)
WO (1) WO1995011570A1 (en)

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US9560371B2 (en) * 2003-07-30 2017-01-31 Avocent Corporation Video compression system
US7457461B2 (en) * 2004-06-25 2008-11-25 Avocent Corporation Video compression noise immunity
EP1820112A4 (en) * 2004-09-09 2009-01-28 Amx Corp Method, system and computer program using standard interfaces for independent device controllers
US20070211691A1 (en) * 2004-09-09 2007-09-13 Barber Ronald W Method, system and computer program using standard interfaces for independent device controllers
US9063739B2 (en) 2005-09-07 2015-06-23 Open Invention Network, Llc Method and computer program for device configuration
US20090323923A1 (en) * 2006-04-24 2009-12-31 Video Accessory Corporation Controller using dual-tone multi-frequency (dtmf) tones
US7782961B2 (en) * 2006-04-28 2010-08-24 Avocent Corporation DVC delta commands
US20080106643A1 (en) * 2006-11-08 2008-05-08 Rgb Systems, Inc. Method and apparatus for video transmission over long distances using twisted pair cables
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Also Published As

Publication number Publication date
FI961718A (en) 1996-04-19
WO1995011570A1 (en) 1995-04-27
EP0724811A1 (en) 1996-08-07
JP2006054910A (en) 2006-02-23
ATE196220T1 (en) 2000-09-15
CN1133663A (en) 1996-10-16
FI961718A0 (en) 1996-04-19
ATE237209T1 (en) 2003-04-15
BR9407842A (en) 1997-05-13
JP3836504B2 (en) 2006-10-25
DK0724811T3 (en) 2000-12-18
DE69432492T2 (en) 2004-04-08
JPH09504148A (en) 1997-04-22
ES2153436T3 (en) 2001-03-01
US6240554B1 (en) 2001-05-29
FI115365B (en) 2005-04-15
US5537142A (en) 1996-07-16
EP1018837A1 (en) 2000-07-12
AU8078294A (en) 1995-05-08
CA2174323C (en) 2000-05-16
EP1006724A1 (en) 2000-06-07
GR3034905T3 (en) 2001-02-28
JP2006054909A (en) 2006-02-23
EP1018838A1 (en) 2000-07-12
DE69425832D1 (en) 2000-10-12
SI0724811T1 (en) 2001-02-28
KR100322769B1 (en) 2002-07-03
EP1018837B1 (en) 2003-04-09
DE69432492D1 (en) 2003-05-15
DE69425832T2 (en) 2001-03-15
KR960705450A (en) 1996-10-09
PT724811E (en) 2001-03-30
EP0724811B1 (en) 2000-09-06
CN1108058C (en) 2003-05-07

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20061018