GB2025634B - Automatic focus cameras - Google Patents

Automatic focus cameras

Info

Publication number
GB2025634B
GB2025634B GB7915237A GB7915237A GB2025634B GB 2025634 B GB2025634 B GB 2025634B GB 7915237 A GB7915237 A GB 7915237A GB 7915237 A GB7915237 A GB 7915237A GB 2025634 B GB2025634 B GB 2025634B
Authority
GB
United Kingdom
Prior art keywords
automatic focus
focus cameras
cameras
automatic
focus
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
GB7915237A
Other versions
GB2025634A (en
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.)
Pentacon GmbH Foto und Feinwerktechnik
Original Assignee
Pentacon Dresden VEB
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 Pentacon Dresden VEB filed Critical Pentacon Dresden VEB
Publication of GB2025634A publication Critical patent/GB2025634A/en
Application granted granted Critical
Publication of GB2025634B publication Critical patent/GB2025634B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Exposure Control For Cameras (AREA)
GB7915237A 1978-06-19 1979-05-02 Automatic focus cameras Expired GB2025634B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20609678A DD136898A1 (en) 1978-06-19 1978-06-19 CIRCUIT ARRANGEMENT FOR PHOTOGRAPHIC CAMERAS

Publications (2)

Publication Number Publication Date
GB2025634A GB2025634A (en) 1980-01-23
GB2025634B true GB2025634B (en) 1982-08-25

Family

ID=5513142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7915237A Expired GB2025634B (en) 1978-06-19 1979-05-02 Automatic focus cameras

Country Status (3)

Country Link
DD (1) DD136898A1 (en)
DE (1) DE2924083A1 (en)
GB (1) GB2025634B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5548737A (en) * 1978-10-02 1980-04-08 Konishiroku Photo Ind Co Ltd Photoelectrically focus detecting device mounted camera
US4345825A (en) * 1979-12-13 1982-08-24 Eastman Kodak Company Apparatus for automatic control of a photographic camera
DE3107945A1 (en) * 1980-03-03 1981-12-24 Polaroid Corp., 02139 Cambridge, Mass. METHOD FOR FOCUSING PHOTOGRAPHIC APPARATUS AND DEVICE THEREFOR
DE3403469C2 (en) 1983-02-01 1997-07-17 Minolta Camera Kk Automatic focusing device for a camera
DE3437145C2 (en) * 1984-10-10 1996-03-28 Ricoh Kk Automatic focusing device for photographic cameras
DE3912165A1 (en) * 1989-04-13 1989-09-28 Christian Dipl Ing Bock Supplementary control for autofocus systems

Also Published As

Publication number Publication date
GB2025634A (en) 1980-01-23
DE2924083A1 (en) 1979-12-20
DD136898A1 (en) 1979-08-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920502