FR1278559A - Projection lantern for slides equipped with a mechanism remotely controlled by a switch for focusing the lens - Google Patents

Projection lantern for slides equipped with a mechanism remotely controlled by a switch for focusing the lens

Info

Publication number
FR1278559A
FR1278559A FR851339A FR851339A FR1278559A FR 1278559 A FR1278559 A FR 1278559A FR 851339 A FR851339 A FR 851339A FR 851339 A FR851339 A FR 851339A FR 1278559 A FR1278559 A FR 1278559A
Authority
FR
France
Prior art keywords
focusing
lens
switch
remotely controlled
mechanism remotely
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
FR851339A
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.)
Voigtlander AG
Original Assignee
Voigtlander AG
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 Voigtlander AG filed Critical Voigtlander AG
Priority to FR851339A priority Critical patent/FR1278559A/en
Application granted granted Critical
Publication of FR1278559A publication Critical patent/FR1278559A/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
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR851339A 1961-02-01 1961-02-01 Projection lantern for slides equipped with a mechanism remotely controlled by a switch for focusing the lens Expired FR1278559A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR851339A FR1278559A (en) 1961-02-01 1961-02-01 Projection lantern for slides equipped with a mechanism remotely controlled by a switch for focusing the lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR851339A FR1278559A (en) 1961-02-01 1961-02-01 Projection lantern for slides equipped with a mechanism remotely controlled by a switch for focusing the lens

Publications (1)

Publication Number Publication Date
FR1278559A true FR1278559A (en) 1961-12-08

Family

ID=8747888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851339A Expired FR1278559A (en) 1961-02-01 1961-02-01 Projection lantern for slides equipped with a mechanism remotely controlled by a switch for focusing the lens

Country Status (1)

Country Link
FR (1) FR1278559A (en)

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