HK144494A - Device and method for the transmission or storage of information optimising the use of the band-pass - Google Patents

Device and method for the transmission or storage of information optimising the use of the band-pass

Info

Publication number
HK144494A
HK144494A HK144494A HK144494A HK144494A HK 144494 A HK144494 A HK 144494A HK 144494 A HK144494 A HK 144494A HK 144494 A HK144494 A HK 144494A HK 144494 A HK144494 A HK 144494A
Authority
HK
Hong Kong
Prior art keywords
optimising
band
pass
transmission
storage
Prior art date
Application number
HK144494A
Other languages
English (en)
Inventor
Yvon Fouche
Guy Desodt
Phillippe Elleaume
Gerard Auvray
Jean Anastassiades
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of HK144494A publication Critical patent/HK144494A/xx

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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Television Systems (AREA)
HK144494A 1986-10-07 1994-12-22 Device and method for the transmission or storage of information optimising the use of the band-pass HK144494A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR8613940A FR2604842B1 (fr) 1986-10-07 1986-10-07 Dispositif et procede de transmission ou de stockage d'informations optimisant l'utilisation de la bande passante
PCT/FR1987/000385 WO1988002962A1 (fr) 1986-10-07 1987-10-06 Dispositif et procede de transmission ou de stockage d'informations optimisant l'utilisation de la bande passante
SG155194A SG155194G (en) 1986-10-07 1994-10-21 Device and method for the transmission or storage of information optimising the use of the band-pass

Publications (1)

Publication Number Publication Date
HK144494A true HK144494A (en) 1994-12-30

Family

ID=26225511

Family Applications (1)

Application Number Title Priority Date Filing Date
HK144494A HK144494A (en) 1986-10-07 1994-12-22 Device and method for the transmission or storage of information optimising the use of the band-pass

Country Status (7)

Country Link
EP (1) EP0286665B1 (xx)
AU (1) AU8039787A (xx)
DE (1) DE3783229T2 (xx)
FR (1) FR2604842B1 (xx)
HK (1) HK144494A (xx)
SG (1) SG155194G (xx)
WO (1) WO1988002962A1 (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2288300A (en) * 1994-04-05 1995-10-11 Christopher Robert Turner Video surveillance system using spread spectrum radio communication
US9828073B1 (en) 2012-07-30 2017-11-28 Luther Cifers, III Accessory mounting track
US11953146B1 (en) 2012-07-30 2024-04-09 Yakattack Llc Accessory mount extension arm
US9671060B1 (en) 2012-07-30 2017-06-06 Luther CIFERS Accessory mounting track
USD911829S1 (en) 2013-07-30 2021-03-02 Luther Cifers, III Accessory mounting track

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178549A (en) * 1978-03-27 1979-12-11 National Semiconductor Corporation Recognition of a received signal as being from a particular transmitter
DE3125536A1 (de) * 1981-06-29 1985-05-15 Josef Ing.(grad.) 8000 München Dirr Verfahren fuer eine pulscodemodulierte uebertragung v on funk- und fernsehsignalen
US4670783A (en) * 1984-12-21 1987-06-02 North American Philips Corporation High resolution television system

Also Published As

Publication number Publication date
EP0286665A1 (fr) 1988-10-19
SG155194G (en) 1995-03-17
WO1988002962A1 (fr) 1988-04-21
AU8039787A (en) 1988-05-06
DE3783229D1 (de) 1993-02-04
EP0286665B1 (fr) 1992-12-23
FR2604842A1 (fr) 1988-04-08
FR2604842B1 (fr) 1989-02-24
DE3783229T2 (de) 1993-04-29

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)