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FR476815A - Condensateurs lumineux - Google Patents

Condensateurs lumineux

Info

Publication number
FR476815A
FR476815A FR476815DA FR476815A FR 476815 A FR476815 A FR 476815A FR 476815D A FR476815D A FR 476815DA FR 476815 A FR476815 A FR 476815A
Authority
FR
France
Prior art keywords
luminous
capacitors
luminous capacitors
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)
Inventor
Desire-Philogene Decaix
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR476815A publication Critical patent/FR476815A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR476815D 1914-05-11 1914-05-11 Condensateurs lumineux Expired FR476815A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR476815T 1914-05-11

Publications (1)

Publication Number Publication Date
FR476815A true FR476815A (fr) 1915-09-02

Family

ID=1514550

Family Applications (1)

Application Number Title Priority Date Filing Date
FR476815D Expired FR476815A (fr) 1914-05-11 1914-05-11 Condensateurs lumineux

Country Status (1)

Country Link
FR (1) FR476815A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148581A (en) * 1961-01-30 1964-09-15 Xerox Corp Cylindrical surface projection apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148581A (en) * 1961-01-30 1964-09-15 Xerox Corp Cylindrical surface projection apparatus

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