GB9409663D0 - Automatic focusing system - Google Patents

Automatic focusing system

Info

Publication number
GB9409663D0
GB9409663D0 GB9409663A GB9409663A GB9409663D0 GB 9409663 D0 GB9409663 D0 GB 9409663D0 GB 9409663 A GB9409663 A GB 9409663A GB 9409663 A GB9409663 A GB 9409663A GB 9409663 D0 GB9409663 D0 GB 9409663D0
Authority
GB
United Kingdom
Prior art keywords
automatic focusing
focusing system
automatic
focusing
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.)
Withdrawn
Application number
GB9409663A
Other versions
GB2289388A (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.)
Durand Ltd
Original Assignee
Durand Ltd
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 Durand Ltd filed Critical Durand Ltd
Priority to GB9409663A priority Critical patent/GB2289388A/en
Publication of GB9409663D0 publication Critical patent/GB9409663D0/en
Publication of GB2289388A publication Critical patent/GB2289388A/en
Withdrawn legal-status Critical Current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
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Image Input (AREA)
GB9409663A 1994-05-13 1994-05-13 Automatic focussing system Withdrawn GB2289388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9409663A GB2289388A (en) 1994-05-13 1994-05-13 Automatic focussing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9409663A GB2289388A (en) 1994-05-13 1994-05-13 Automatic focussing system

Publications (2)

Publication Number Publication Date
GB9409663D0 true GB9409663D0 (en) 1994-07-06
GB2289388A GB2289388A (en) 1995-11-15

Family

ID=10755120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9409663A Withdrawn GB2289388A (en) 1994-05-13 1994-05-13 Automatic focussing system

Country Status (1)

Country Link
GB (1) GB2289388A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104650A (en) * 1974-08-16 1978-08-01 Canon Kabushiki Kaisha Sharp focus detecting system
DE3018564A1 (en) * 1980-05-14 1981-11-19 Siemens AG, 1000 Berlin und 8000 München MIRROR REFLECTING CAMERA WITH OPTOELECTRONIC RANGE-DETECTOR BUILT-IN IN THE AREA OF THE SEARCHER'S Ocular
JPS5745525A (en) * 1980-08-30 1982-03-15 Nippon Kogaku Kk <Nikon> Automatic focusing single lens reflex camera
JP2756351B2 (en) * 1990-07-06 1998-05-25 キヤノン株式会社 Focus detection device

Also Published As

Publication number Publication date
GB2289388A (en) 1995-11-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)