GB9322037D0 - Device for controlling automatic focusing lens device - Google Patents

Device for controlling automatic focusing lens device

Info

Publication number
GB9322037D0
GB9322037D0 GB939322037A GB9322037A GB9322037D0 GB 9322037 D0 GB9322037 D0 GB 9322037D0 GB 939322037 A GB939322037 A GB 939322037A GB 9322037 A GB9322037 A GB 9322037A GB 9322037 D0 GB9322037 D0 GB 9322037D0
Authority
GB
United Kingdom
Prior art keywords
focusing lens
automatic focusing
controlling automatic
lens device
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.)
Granted
Application number
GB939322037A
Other versions
GB2269914B (en
GB2269914A (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.)
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 true GB9322037D0 (en) 1993-12-15
GB2269914A GB2269914A (en) 1994-02-23
GB2269914B 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)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS644084Y2 (en) * 1980-09-11 1989-02-02

Also Published As

Publication number Publication date
GB2269914B (en) 1994-08-24
GB2269914A (en) 1994-02-23

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Legal Events

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

Effective date: 20060218