FR826733A - Filtres polychromes à compositions variables - Google Patents

Filtres polychromes à compositions variables

Info

Publication number
FR826733A
FR826733A FR826733DA FR826733A FR 826733 A FR826733 A FR 826733A FR 826733D A FR826733D A FR 826733DA FR 826733 A FR826733 A FR 826733A
Authority
FR
France
Prior art keywords
polychrome
filters
variable compositions
compositions
variable
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
English (en)
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.)
PARISIENNE POUR L IND DES CHEM
Original Assignee
PARISIENNE POUR L IND DES CHEM
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 PARISIENNE POUR L IND DES CHEM filed Critical PARISIENNE POUR L IND DES CHEM
Application granted granted Critical
Publication of FR826733A publication Critical patent/FR826733A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR826733D 1936-12-24 1936-12-24 Filtres polychromes à compositions variables Expired FR826733A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR826733T 1936-12-24

Publications (1)

Publication Number Publication Date
FR826733A true FR826733A (fr) 1938-04-07

Family

ID=9283022

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826733D Expired FR826733A (fr) 1936-12-24 1936-12-24 Filtres polychromes à compositions variables

Country Status (1)

Country Link
FR (1) FR826733A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800473A (en) * 1987-07-06 1989-01-24 Denis Tremblay Venitian blind lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800473A (en) * 1987-07-06 1989-01-24 Denis Tremblay Venitian blind lamp

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