FR2129230A5 - - Google Patents

Info

Publication number
FR2129230A5
FR2129230A5 FR7109708A FR7109708A FR2129230A5 FR 2129230 A5 FR2129230 A5 FR 2129230A5 FR 7109708 A FR7109708 A FR 7109708A FR 7109708 A FR7109708 A FR 7109708A FR 2129230 A5 FR2129230 A5 FR 2129230A5
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
FR7109708A
Other languages
French (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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7109708A priority Critical patent/FR2129230A5/fr
Application granted granted Critical
Publication of FR2129230A5 publication Critical patent/FR2129230A5/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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR7109708A 1971-03-19 1971-03-19 Expired FR2129230A5 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7109708A FR2129230A5 (de) 1971-03-19 1971-03-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7109708A FR2129230A5 (de) 1971-03-19 1971-03-19

Publications (1)

Publication Number Publication Date
FR2129230A5 true FR2129230A5 (de) 1972-10-27

Family

ID=9073816

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7109708A Expired FR2129230A5 (de) 1971-03-19 1971-03-19

Country Status (1)

Country Link
FR (1) FR2129230A5 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0176198A1 (de) * 1984-08-24 1986-04-02 Crosfield Electronics Limited Bildverbesserungsvorrichtung
EP0202427A2 (de) * 1985-03-30 1986-11-26 Dainippon Screen Mfg. Co., Ltd. Bildeingangsvorrichtung und Verfahren zur Korrektur ihrer Eingangssignale

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0176198A1 (de) * 1984-08-24 1986-04-02 Crosfield Electronics Limited Bildverbesserungsvorrichtung
US4628350A (en) * 1984-08-24 1986-12-09 Crosfield Electronics (Usa) Limited Image enhancement
EP0202427A2 (de) * 1985-03-30 1986-11-26 Dainippon Screen Mfg. Co., Ltd. Bildeingangsvorrichtung und Verfahren zur Korrektur ihrer Eingangssignale
EP0202427A3 (en) * 1985-03-30 1988-08-17 Dainippon Screen Mfg. Co., Ltd. Image imput device and a method of correcting input signals of the same

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Legal Events

Date Code Title Description
ST Notification of lapse