GB2283102B - Camera system having power zoom lens - Google Patents

Camera system having power zoom lens

Info

Publication number
GB2283102B
GB2283102B GB9423301A GB9423301A GB2283102B GB 2283102 B GB2283102 B GB 2283102B GB 9423301 A GB9423301 A GB 9423301A GB 9423301 A GB9423301 A GB 9423301A GB 2283102 B GB2283102 B GB 2283102B
Authority
GB
United Kingdom
Prior art keywords
zoom lens
camera system
power zoom
power
camera
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
GB9423301A
Other versions
GB9423301D0 (en
GB2283102A (en
Inventor
Masahiro Kawasaki
Hiroyuki Takahashi
Yoshinari Tanimura
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
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority claimed from GB9210901A external-priority patent/GB2256721B/en
Publication of GB9423301D0 publication Critical patent/GB9423301D0/en
Publication of GB2283102A publication Critical patent/GB2283102A/en
Application granted granted Critical
Publication of GB2283102B publication Critical patent/GB2283102B/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
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
GB9423301A 1991-05-21 1992-05-21 Camera system having power zoom lens Expired - Fee Related GB2283102B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP21814691 1991-05-21
JP34212391 1991-11-29
GB9210901A GB2256721B (en) 1991-05-21 1992-05-21 Camera system having power zoom lens

Publications (3)

Publication Number Publication Date
GB9423301D0 GB9423301D0 (en) 1995-01-11
GB2283102A GB2283102A (en) 1995-04-26
GB2283102B true GB2283102B (en) 1995-08-09

Family

ID=27266198

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9423301A Expired - Fee Related GB2283102B (en) 1991-05-21 1992-05-21 Camera system having power zoom lens

Country Status (1)

Country Link
GB (1) GB2283102B (en)

Also Published As

Publication number Publication date
GB9423301D0 (en) 1995-01-11
GB2283102A (en) 1995-04-26

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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: 20110521