FR988043A - Substitution system for optical filters with discontinuous structure - Google Patents

Substitution system for optical filters with discontinuous structure

Info

Publication number
FR988043A
FR988043A FR988043DA FR988043A FR 988043 A FR988043 A FR 988043A FR 988043D A FR988043D A FR 988043DA FR 988043 A FR988043 A FR 988043A
Authority
FR
France
Prior art keywords
optical filters
discontinuous structure
substitution system
substitution
discontinuous
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
Other languages
French (fr)
Inventor
Roger-Raymond Cahen
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.)
Radio Industrie SA
Original Assignee
Radio Industrie SA
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 Radio Industrie SA filed Critical Radio Industrie SA
Application granted granted Critical
Publication of FR988043A publication Critical patent/FR988043A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • G02B5/201Filters in the form of arrays
FR988043D 1949-04-07 1949-04-07 Substitution system for optical filters with discontinuous structure Expired FR988043A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR988043T 1949-04-07

Publications (1)

Publication Number Publication Date
FR988043A true FR988043A (en) 1951-08-22

Family

ID=9539301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988043D Expired FR988043A (en) 1949-04-07 1949-04-07 Substitution system for optical filters with discontinuous structure

Country Status (1)

Country Link
FR (1) FR988043A (en)

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