FR2197291B1 - - Google Patents

Info

Publication number
FR2197291B1
FR2197291B1 FR7330751A FR7330751A FR2197291B1 FR 2197291 B1 FR2197291 B1 FR 2197291B1 FR 7330751 A FR7330751 A FR 7330751A FR 7330751 A FR7330751 A FR 7330751A FR 2197291 B1 FR2197291 B1 FR 2197291B1
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
FR7330751A
Other versions
FR2197291A1 (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.)
Meritor Inc
Original Assignee
Arvin Industries Inc
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 Arvin Industries Inc filed Critical Arvin Industries Inc
Publication of FR2197291A1 publication Critical patent/FR2197291A1/fr
Application granted granted Critical
Publication of FR2197291B1 publication Critical patent/FR2197291B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/917—Television signal processing therefor for bandwidth reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/917—Television signal processing therefor for bandwidth reduction
    • H04N5/919—Television signal processing therefor for bandwidth reduction by dividing samples or signal segments, e.g. television lines, among a plurality of recording channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
FR7330751A 1972-08-25 1973-08-24 Expired FR2197291B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00283806A US3809805A (en) 1972-08-25 1972-08-25 Video bandwidth reduction

Publications (2)

Publication Number Publication Date
FR2197291A1 FR2197291A1 (fr) 1974-03-22
FR2197291B1 true FR2197291B1 (fr) 1977-02-25

Family

ID=23087625

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7330751A Expired FR2197291B1 (fr) 1972-08-25 1973-08-24

Country Status (4)

Country Link
US (1) US3809805A (fr)
JP (1) JPS4965119A (fr)
DE (1) DE2342636A1 (fr)
FR (1) FR2197291B1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4224481A (en) * 1975-03-10 1980-09-23 Eli S. Jacobs Compression and expansion circuitry for a recording and playback system
FR2308259A1 (fr) * 1975-04-18 1976-11-12 Telecommunications Sa Procede de transmission en mode synchrone d'informations asynchrones
DE2602420A1 (de) * 1976-01-23 1977-07-28 Basf Ag Farbvideo-aufzeichnungs-/wiedergabesystem
US4181822A (en) * 1978-03-07 1980-01-01 Bell & Howell Company Bandsplitter systems
US4388656A (en) * 1980-10-03 1983-06-14 Eastman Kodak Company Multitrack recording with minimal intermodulation
JPS5817504A (ja) * 1981-07-22 1983-02-01 Olympus Optical Co Ltd 情報記録再生装置
JPS60180A (ja) * 1983-06-15 1985-01-05 Victor Co Of Japan Ltd 映像信号記録再生装置
JPS6146681A (ja) * 1984-08-11 1986-03-06 Matsushita Electric Ind Co Ltd 映像信号の記録再生方法
JPS61148608A (ja) * 1984-12-21 1986-07-07 Mitsubishi Electric Corp 磁気記録再生装置
US4780769A (en) * 1985-02-05 1988-10-25 Sony Corporation Recording and reproducing apparatus for time compressed video signals wherein said signals are expanded and converted into two separate channels before recording
JPH0760566B2 (ja) * 1986-04-08 1995-06-28 ソニー株式会社 Ｆｍ録再系のノイズ低減回路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR991736A (fr) * 1944-05-04 1951-10-09 Système de télévision à voies multiples
US2867685A (en) * 1952-02-18 1959-01-06 Minnesota Mining & Mfg Television recording and reproducing system
FR1111055A (fr) * 1954-06-24 1956-02-22 Electronique & Physique Perfectionnements aux procédés et dispositifs d'enregistrement et lecture magnétiques de signaux de télévision
DE1025931B (de) * 1956-08-04 1958-03-13 Fernseh Gmbh Vorrichtung zur Aufnahme und Wiedergabe eines Nachrichtenflusses hoher Bandbreite, insbesondere von Fernsehsignalen, auf ein mechanisch bewegtes Speichermittel
DE1061832B (de) * 1958-05-03 1959-07-23 Telefunken Gmbh UEbertragungssystem fuer binaer codierte Signale mit verminderter Bandbreite
GB1026719A (en) * 1963-04-20 1966-04-20 Alvin Maynard Slaton Magnetic recording and playback system
US3499996A (en) * 1966-12-30 1970-03-10 Octronix Inc Bandwidth compressor and expander
US3392385A (en) * 1967-01-31 1968-07-09 Goodyear Aerospace Corp Electronic focused processor
US3553080A (en) * 1968-02-21 1971-01-05 Vm Corp Circuitry for recording and reproducing video signal information as multiple limited bandwidth signals
US3634625A (en) * 1968-09-23 1972-01-11 Westinghouse Electric Corp Speech unscrambler
US3621150A (en) * 1969-09-17 1971-11-16 Sanders Associates Inc Speech processor for changing voice pitch

Also Published As

Publication number Publication date
JPS4965119A (fr) 1974-06-24
FR2197291A1 (fr) 1974-03-22
DE2342636A1 (de) 1974-03-07
US3809805A (en) 1974-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse