FR2077135A5 - - Google Patents

Info

Publication number
FR2077135A5
FR2077135A5 FR7102983A FR7102983A FR2077135A5 FR 2077135 A5 FR2077135 A5 FR 2077135A5 FR 7102983 A FR7102983 A FR 7102983A FR 7102983 A FR7102983 A FR 7102983A FR 2077135 A5 FR2077135 A5 FR 2077135A5
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
FR7102983A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from DE2064263A external-priority patent/DE2064263C3/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR2077135A5 publication Critical patent/FR2077135A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/16—Processes or apparatus for producing holograms using Fourier transform
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters
FR7102983A 1970-12-29 1971-01-29 Expired FR2077135A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2064263A DE2064263C3 (en) 1969-12-30 1970-12-29 Process for the production of optical glass fibers with parabolic distribution of the refractive index through ion exchange

Publications (1)

Publication Number Publication Date
FR2077135A5 true FR2077135A5 (en) 1971-10-15

Family

ID=5792461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7102983A Expired FR2077135A5 (en) 1970-12-29 1971-01-29

Country Status (1)

Country Link
FR (1) FR2077135A5 (en)

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Legal Events

Date Code Title Description
ST Notification of lapse