FR2059801A5 - - Google Patents

Info

Publication number
FR2059801A5
FR2059801A5 FR7020092A FR7020092A FR2059801A5 FR 2059801 A5 FR2059801 A5 FR 2059801A5 FR 7020092 A FR7020092 A FR 7020092A FR 7020092 A FR7020092 A FR 7020092A FR 2059801 A5 FR2059801 A5 FR 2059801A5
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
FR7020092A
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.)
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
Priority to FR7020092A priority Critical patent/FR2059801A5/fr
Application granted granted Critical
Publication of FR2059801A5 publication Critical patent/FR2059801A5/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
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
    • 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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR7020092A 1970-05-21 1970-05-21 Expired FR2059801A5 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7020092A FR2059801A5 (enExample) 1970-05-21 1970-05-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7020092A FR2059801A5 (enExample) 1970-05-21 1970-05-21

Publications (1)

Publication Number Publication Date
FR2059801A5 true FR2059801A5 (enExample) 1971-06-04

Family

ID=9056507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7020092A Expired FR2059801A5 (enExample) 1970-05-21 1970-05-21

Country Status (1)

Country Link
FR (1) FR2059801A5 (enExample)

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Legal Events

Date Code Title Description
ST Notification of lapse