FR2509557B1 - Procede pour la recreation d'un signal analogique de luminance a partir d'un signal numerique - Google Patents

Procede pour la recreation d'un signal analogique de luminance a partir d'un signal numerique

Info

Publication number
FR2509557B1
FR2509557B1 FR8113482A FR8113482A FR2509557B1 FR 2509557 B1 FR2509557 B1 FR 2509557B1 FR 8113482 A FR8113482 A FR 8113482A FR 8113482 A FR8113482 A FR 8113482A FR 2509557 B1 FR2509557 B1 FR 2509557B1
Authority
FR
France
Prior art keywords
recreating
signal
digital signal
luminance signal
analogue luminance
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.)
Expired
Application number
FR8113482A
Other languages
English (en)
Other versions
FR2509557A1 (fr
Inventor
Stephane Guerillot
Alain Regnault
Bernard Dureigne
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.)
AGENCE FRANCE PRESSE
Original Assignee
AGENCE FRANCE PRESSE
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 AGENCE FRANCE PRESSE filed Critical AGENCE FRANCE PRESSE
Priority to FR8113482A priority Critical patent/FR2509557B1/fr
Priority to CA000401837A priority patent/CA1189181A/fr
Priority to DE8282400826T priority patent/DE3261118D1/de
Priority to AT82400826T priority patent/ATE10150T1/de
Priority to EP82400826A priority patent/EP0065454B1/fr
Priority to US06/376,192 priority patent/US4670792A/en
Publication of FR2509557A1 publication Critical patent/FR2509557A1/fr
Application granted granted Critical
Publication of FR2509557B1 publication Critical patent/FR2509557B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
FR8113482A 1981-05-08 1981-07-09 Procede pour la recreation d'un signal analogique de luminance a partir d'un signal numerique Expired FR2509557B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8113482A FR2509557B1 (fr) 1981-07-09 1981-07-09 Procede pour la recreation d'un signal analogique de luminance a partir d'un signal numerique
CA000401837A CA1189181A (fr) 1981-05-08 1982-04-28 Procede et dispositif pour la recreation d'un signal analogique de luminance a partir d'un signal numerique
DE8282400826T DE3261118D1 (en) 1981-05-08 1982-05-05 Method and device for reconstructing an analogue luminance signal from a digital signal
AT82400826T ATE10150T1 (de) 1981-05-08 1982-05-05 Verfahren und geraet zum rekonstruieren eines analogen helligkeitssignals aus einem numerischen signal.
EP82400826A EP0065454B1 (fr) 1981-05-08 1982-05-05 Procédé et dispositif pour la recréation d'un signal analogique de luminance à partir d'un signal numérique
US06/376,192 US4670792A (en) 1981-05-08 1982-05-07 Method and device for recreation of an analog luminance signal from a digital signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8113482A FR2509557B1 (fr) 1981-07-09 1981-07-09 Procede pour la recreation d'un signal analogique de luminance a partir d'un signal numerique

Publications (2)

Publication Number Publication Date
FR2509557A1 FR2509557A1 (fr) 1983-01-14
FR2509557B1 true FR2509557B1 (fr) 1986-04-11

Family

ID=9260376

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8113482A Expired FR2509557B1 (fr) 1981-05-08 1981-07-09 Procede pour la recreation d'un signal analogique de luminance a partir d'un signal numerique

Country Status (1)

Country Link
FR (1) FR2509557B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921124A (en) * 1956-12-10 1960-01-12 Bell Telephone Labor Inc Method and apparatus for reducing television bandwidth
US3071727A (en) * 1961-05-08 1963-01-01 Bell Telephone Labor Inc Bandwidth reduction system
US3462547A (en) * 1966-09-06 1969-08-19 Stanford Research Inst Data processing system for signals obtained from a video scanner
DE2402513C2 (de) * 1974-01-19 1981-12-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Kompression des Nachrichtenflusses binärcodierter Videosignale
US4266249A (en) * 1978-09-19 1981-05-05 Bell Telephone Laboratories, Incorporated Digital encoder for facsimile transmission

Also Published As

Publication number Publication date
FR2509557A1 (fr) 1983-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse