FR2121761B1 - - Google Patents

Info

Publication number
FR2121761B1
FR2121761B1 FR727200839A FR7200839A FR2121761B1 FR 2121761 B1 FR2121761 B1 FR 2121761B1 FR 727200839 A FR727200839 A FR 727200839A FR 7200839 A FR7200839 A FR 7200839A FR 2121761 B1 FR2121761 B1 FR 2121761B1
Authority
FR
France
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
Application number
FR727200839A
Other versions
FR2121761A1 (fr
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.)
Comsat Corp
Original Assignee
Comsat 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 Comsat Corp filed Critical Comsat Corp
Publication of FR2121761A1 publication Critical patent/FR2121761A1/fr
Application granted granted Critical
Publication of FR2121761B1 publication Critical patent/FR2121761B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Color Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Radio Relay Systems (AREA)
  • Picture Signal Circuits (AREA)
FR727200839A 1971-01-11 1972-01-11 Expired FR2121761B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10538671A 1971-01-11 1971-01-11

Publications (2)

Publication Number Publication Date
FR2121761A1 FR2121761A1 (fr) 1972-08-25
FR2121761B1 true FR2121761B1 (fr) 1973-06-29

Family

ID=22305545

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727200839A Expired FR2121761B1 (fr) 1971-01-11 1972-01-11

Country Status (7)

Country Link
JP (1) JPS588193B1 (fr)
CA (1) CA956725A (fr)
DE (1) DE2201066C2 (fr)
FR (1) FR2121761B1 (fr)
GB (3) GB1387428A (fr)
IT (1) IT948824B (fr)
SE (3) SE379263B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2068673B (en) * 1980-01-30 1983-09-07 Sony Corp Decoding and recoding composite digital colour television signals
JPS6199091U (fr) * 1984-12-06 1986-06-25

Also Published As

Publication number Publication date
JPS588193B1 (fr) 1983-02-15
IT948824B (it) 1973-06-11
CA956725A (en) 1974-10-22
SE7506409L (sv) 1975-06-04
SE379263B (fr) 1975-09-29
DE2201066C2 (de) 1983-01-20
GB1387429A (en) 1975-03-19
SE7506408L (sv) 1975-06-04
DE2201066A1 (de) 1972-08-10
SE402691B (sv) 1978-07-10
GB1387428A (en) 1975-03-19
GB1387427A (en) 1975-03-19
FR2121761A1 (fr) 1972-08-25
SE402692B (sv) 1978-07-10

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Legal Events

Date Code Title Description
ST Notification of lapse