FI943010A - Avsökningsfritt TV-sändingssystem - Google Patents

Avsökningsfritt TV-sändingssystem Download PDF

Info

Publication number
FI943010A
FI943010A FI943010A FI943010A FI943010A FI 943010 A FI943010 A FI 943010A FI 943010 A FI943010 A FI 943010A FI 943010 A FI943010 A FI 943010A FI 943010 A FI943010 A FI 943010A
Authority
FI
Finland
Prior art keywords
scan
free
broadcasting system
broadcasting
Prior art date
Application number
FI943010A
Other languages
English (en)
Finnish (fi)
Other versions
FI943010A0 (sv
Inventor
Elliot L Gruenberg
Original Assignee
Compfax 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 Compfax Corp filed Critical Compfax Corp
Publication of FI943010A0 publication Critical patent/FI943010A0/sv
Publication of FI943010A publication Critical patent/FI943010A/sv

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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)
  • Studio Devices (AREA)
  • Closed-Circuit Television Systems (AREA)
FI943010A 1991-12-23 1994-06-22 Avsökningsfritt TV-sändingssystem FI943010A (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81241791A 1991-12-23 1991-12-23
PCT/US1992/010962 WO1993013611A1 (en) 1991-12-23 1992-12-17 Scanless tv transmission system

Publications (2)

Publication Number Publication Date
FI943010A0 FI943010A0 (sv) 1994-06-22
FI943010A true FI943010A (sv) 1994-08-22

Family

ID=25209498

Family Applications (1)

Application Number Title Priority Date Filing Date
FI943010A FI943010A (sv) 1991-12-23 1994-06-22 Avsökningsfritt TV-sändingssystem

Country Status (8)

Country Link
EP (1) EP0619057A1 (sv)
JP (1) JPH07502633A (sv)
AU (1) AU3327193A (sv)
BR (1) BR9206980A (sv)
CA (1) CA2117346A1 (sv)
FI (1) FI943010A (sv)
HU (1) HUT70716A (sv)
WO (1) WO1993013611A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6075817A (en) * 1991-12-23 2000-06-13 Digital Compression Technology Compressive communication and storage system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1262124A (fr) * 1959-06-15 1961-05-26 Western Electric Co Dispositif de transmission d'impulsions de code avec interversion d'une impulsion sur deux
US3715508A (en) * 1967-09-15 1973-02-06 Ibm Switching circuits employing orthogonal and quasi-orthogonal pseudo-random code sequences
US3728529A (en) * 1969-10-08 1973-04-17 Sperry Rand Corp Two-way communication system employing two-clock frequency pseudo-noise signal modulation
SE393726B (sv) * 1975-12-02 1977-05-16 Ericsson Telefon Ab L M Anleggning for duplexoverforing medelst fasmultiplex over en tvatradsforbindelse mellan en huvudterminal och en slavterminal
US4293953A (en) * 1979-12-28 1981-10-06 The United States Of America As Represented By The Secretary Of The Army Bi-orthogonal PCM communications system employing multiplexed noise codes
US4477900A (en) * 1980-04-30 1984-10-16 Broadcom, Incorporated Successive frame digital multiplexer with increased channel capacity
US4392220A (en) * 1980-05-30 1983-07-05 Nippon Electric Co., Ltd. Modem to be coupled to a directional transmission line of an SS multiplex communication network
US4601045A (en) * 1984-08-03 1986-07-15 Larse Corporation Modulator-demodulator method and apparatus with efficient bandwidth utilization
DE4025026C2 (de) * 1989-12-07 1997-06-12 Dirr Josef Verfahren zur mehrstufigen Codierung von Information
US5029210A (en) * 1990-01-29 1991-07-02 Compfax Corp. Cooperative communication system

Also Published As

Publication number Publication date
AU3327193A (en) 1993-07-28
HU9401888D0 (en) 1994-09-28
EP0619057A1 (en) 1994-10-12
HUT70716A (en) 1995-10-30
JPH07502633A (ja) 1995-03-16
WO1993013611A1 (en) 1993-07-08
BR9206980A (pt) 1995-12-05
CA2117346A1 (en) 1993-07-08
FI943010A0 (sv) 1994-06-22

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Legal Events

Date Code Title Description
FD Application lapsed