GB2266779B - An automatic focusing camera - Google Patents

An automatic focusing camera

Info

Publication number
GB2266779B
GB2266779B GB9314083A GB9314083A GB2266779B GB 2266779 B GB2266779 B GB 2266779B GB 9314083 A GB9314083 A GB 9314083A GB 9314083 A GB9314083 A GB 9314083A GB 2266779 B GB2266779 B GB 2266779B
Authority
GB
United Kingdom
Prior art keywords
automatic focusing
focusing camera
camera
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.)
Expired - Fee Related
Application number
GB9314083A
Other versions
GB9314083D0 (en
GB2266779A (en
Inventor
Akira Honma
Satoshi Takami
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co 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
Priority claimed from JP1115297A external-priority patent/JP3012248B2/en
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB9314083D0 publication Critical patent/GB9314083D0/en
Publication of GB2266779A publication Critical patent/GB2266779A/en
Application granted granted Critical
Publication of GB2266779B publication Critical patent/GB2266779B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Measurement Of Optical Distance (AREA)
GB9314083A 1989-05-09 1993-07-08 An automatic focusing camera Expired - Fee Related GB2266779B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1115297A JP3012248B2 (en) 1989-05-09 1989-05-09 Automatic focus detection device and camera equipped with automatic focus detection device
GB9010384A GB2231676B (en) 1989-05-09 1990-05-09 Distance measuring device for a camera

Publications (3)

Publication Number Publication Date
GB9314083D0 GB9314083D0 (en) 1993-08-18
GB2266779A GB2266779A (en) 1993-11-10
GB2266779B true GB2266779B (en) 1994-02-09

Family

ID=26297047

Family Applications (3)

Application Number Title Priority Date Filing Date
GB9314083A Expired - Fee Related GB2266779B (en) 1989-05-09 1993-07-08 An automatic focusing camera
GB9314184A Expired - Fee Related GB2266781B (en) 1989-05-09 1993-07-08 An automatic focusing camera
GB9314084A Expired - Fee Related GB2266780B (en) 1989-05-09 1993-07-08 An automatic focusing camera

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB9314184A Expired - Fee Related GB2266781B (en) 1989-05-09 1993-07-08 An automatic focusing camera
GB9314084A Expired - Fee Related GB2266780B (en) 1989-05-09 1993-07-08 An automatic focusing camera

Country Status (1)

Country Link
GB (3) GB2266779B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2730829B1 (en) * 1995-02-22 2003-06-06 Asahi Optical Co Ltd DISTANCE MEASURING DEVICE
KR101420425B1 (en) * 2007-09-03 2014-07-16 삼성전자주식회사 Auto focus apparatus and method for camera

Also Published As

Publication number Publication date
GB2266780A (en) 1993-11-10
GB2266780B (en) 1994-01-26
GB9314083D0 (en) 1993-08-18
GB2266779A (en) 1993-11-10
GB9314084D0 (en) 1993-08-18
GB2266781A (en) 1993-11-10
GB9314184D0 (en) 1993-08-18
GB2266781B (en) 1994-01-26

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20060508

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090509