FR951417A - Device for controlling locating diaphragms in projection devices - Google Patents

Device for controlling locating diaphragms in projection devices

Info

Publication number
FR951417A
FR951417A FR951417DA FR951417A FR 951417 A FR951417 A FR 951417A FR 951417D A FR951417D A FR 951417DA FR 951417 A FR951417 A FR 951417A
Authority
FR
France
Prior art keywords
diaphragms
projection devices
controlling locating
locating
controlling
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)
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.)
Compagnie Generale de Radiologie SA
Original Assignee
Compagnie Generale de Radiologie 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 Compagnie Generale de Radiologie SA filed Critical Compagnie Generale de Radiologie SA
Application granted granted Critical
Publication of FR951417A publication Critical patent/FR951417A/en
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
    • 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
    • G03B21/001—Slide projectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR951417D 1943-03-09 1943-03-09 Device for controlling locating diaphragms in projection devices Expired FR951417A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR951417T 1943-03-09

Publications (1)

Publication Number Publication Date
FR951417A true FR951417A (en) 1949-10-25

Family

ID=9485023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951417D Expired FR951417A (en) 1943-03-09 1943-03-09 Device for controlling locating diaphragms in projection devices

Country Status (1)

Country Link
FR (1) FR951417A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2940357A (en) * 1955-03-07 1960-06-14 Bausch & Lomb Adjusting mechanism for slit lamp apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2940357A (en) * 1955-03-07 1960-06-14 Bausch & Lomb Adjusting mechanism for slit lamp apparatus

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