GB2269914B - Device for controlling automatic focusing lens having a manual mode - Google Patents

Device for controlling automatic focusing lens having a manual mode

Info

Publication number
GB2269914B
GB2269914B GB9322037A GB9322037A GB2269914B GB 2269914 B GB2269914 B GB 2269914B GB 9322037 A GB9322037 A GB 9322037A GB 9322037 A GB9322037 A GB 9322037A GB 2269914 B GB2269914 B GB 2269914B
Authority
GB
United Kingdom
Prior art keywords
focusing lens
manual mode
automatic focusing
controlling automatic
controlling
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
GB9322037A
Other versions
GB9322037D0 (en
GB2269914A (en
Inventor
Hitoshi Tanaka
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 JP3700290A external-priority patent/JPH03240031A/en
Priority claimed from JP3700390A external-priority patent/JP3026577B2/en
Priority claimed from GB9103337A external-priority patent/GB2242034B/en
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB9322037D0 publication Critical patent/GB9322037D0/en
Publication of GB2269914A publication Critical patent/GB2269914A/en
Application granted granted Critical
Publication of GB2269914B publication Critical patent/GB2269914B/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
GB9322037A 1990-02-17 1993-10-26 Device for controlling automatic focusing lens having a manual mode Expired - Fee Related GB2269914B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3700290A JPH03240031A (en) 1990-02-17 1990-02-17 Automatic focusing lens
JP3700390A JP3026577B2 (en) 1990-02-17 1990-02-17 Auto focus lens
GB9103337A GB2242034B (en) 1990-02-17 1991-02-18 Device for controlling automatic focusing lens device having manual mode

Publications (3)

Publication Number Publication Date
GB9322037D0 GB9322037D0 (en) 1993-12-15
GB2269914A GB2269914A (en) 1994-02-23
GB2269914B true GB2269914B (en) 1994-08-24

Family

ID=27265516

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9322037A Expired - Fee Related GB2269914B (en) 1990-02-17 1993-10-26 Device for controlling automatic focusing lens having a manual mode

Country Status (1)

Country Link
GB (1) GB2269914B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456356A (en) * 1980-09-11 1984-06-26 Nippon Kogaku K. K. Focus adjusting device of a camera

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456356A (en) * 1980-09-11 1984-06-26 Nippon Kogaku K. K. Focus adjusting device of a camera

Also Published As

Publication number Publication date
GB9322037D0 (en) 1993-12-15
GB2269914A (en) 1994-02-23

Similar Documents

Publication Publication Date Title
GB2250829B (en) Automatic focusing device
HK1007802A1 (en) Lens barrel apparatus for automatic focusing
GB2255870B (en) Automatic focusing apparatus
GB2222337B (en) Automatic focusing camera
GB2256722B (en) Lens barrel for automatic focusing camera
GB2223140B (en) Automatic focusing apparatus for camera
GB2226467B (en) Automatic focusing camera
EP0421243A3 (en) Automatic focusing camera
EP0481728A3 (en) Automatic exposure control apparatus for a camera
GB2242034B (en) Device for controlling automatic focusing lens device having manual mode
EP0468455A3 (en) Automatic focusing device of camera
GB2230398B (en) Automatic focusing device for a camera
EP0437966A3 (en) Automatic focusing device
EP0456320A3 (en) Automatic focus control device
EP0548456A3 (en) Automatic focusing mechanism for operation microscope
EP0512430A3 (en) Automatic focusing device
GB2269914B (en) Device for controlling automatic focusing lens having a manual mode
GB2227569B (en) Camera employing automatic focusing unit
EP0542516A3 (en) Focus control device for optical pickup
EP0460859A3 (en) Focusing system for a moveable lens
GB2223322B (en) Automatic focus/exposure operating apparatus for a camera
GB9119469D0 (en) Automatic winding camera
GB2286497B (en) Automatic focusing apparatus

Legal Events

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

Effective date: 20060218