FR1138364A - Advanced focusing device, for cameras with multiple lenses of different focal lengths - Google Patents

Advanced focusing device, for cameras with multiple lenses of different focal lengths

Info

Publication number
FR1138364A
FR1138364A FR1138364DA FR1138364A FR 1138364 A FR1138364 A FR 1138364A FR 1138364D A FR1138364D A FR 1138364DA FR 1138364 A FR1138364 A FR 1138364A
Authority
FR
France
Prior art keywords
cameras
focal lengths
focusing device
different focal
multiple lenses
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 Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1138364A publication Critical patent/FR1138364A/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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1138364D 1955-09-23 1955-09-23 Advanced focusing device, for cameras with multiple lenses of different focal lengths Expired FR1138364A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1138364T 1955-09-23

Publications (1)

Publication Number Publication Date
FR1138364A true FR1138364A (en) 1957-06-13

Family

ID=9641108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1138364D Expired FR1138364A (en) 1955-09-23 1955-09-23 Advanced focusing device, for cameras with multiple lenses of different focal lengths

Country Status (1)

Country Link
FR (1) FR1138364A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059534A (en) * 1959-01-08 1962-10-23 Alois Handler Adjusting device for an objective

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059534A (en) * 1959-01-08 1962-10-23 Alois Handler Adjusting device for an objective

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