GB2095423B - Guide mechanism for a magnification varying device in a copying machine - Google Patents

Guide mechanism for a magnification varying device in a copying machine

Info

Publication number
GB2095423B
GB2095423B GB8207499A GB8207499A GB2095423B GB 2095423 B GB2095423 B GB 2095423B GB 8207499 A GB8207499 A GB 8207499A GB 8207499 A GB8207499 A GB 8207499A GB 2095423 B GB2095423 B GB 2095423B
Authority
GB
United Kingdom
Prior art keywords
copying machine
guide mechanism
varying device
magnification varying
magnification
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
Application number
GB8207499A
Other languages
English (en)
Other versions
GB2095423A (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
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB2095423A publication Critical patent/GB2095423A/en
Application granted granted Critical
Publication of GB2095423B publication Critical patent/GB2095423B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/041—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with variable magnification
    • 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
    • G02B7/282—Autofocusing of zoom lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
GB8207499A 1981-03-14 1982-03-15 Guide mechanism for a magnification varying device in a copying machine Expired GB2095423B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3612981U JPS57150842U (enrdf_load_stackoverflow) 1981-03-14 1981-03-14

Publications (2)

Publication Number Publication Date
GB2095423A GB2095423A (en) 1982-09-29
GB2095423B true GB2095423B (en) 1984-12-05

Family

ID=12461169

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8207499A Expired GB2095423B (en) 1981-03-14 1982-03-15 Guide mechanism for a magnification varying device in a copying machine

Country Status (3)

Country Link
JP (1) JPS57150842U (enrdf_load_stackoverflow)
GB (1) GB2095423B (enrdf_load_stackoverflow)
HK (1) HK34786A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6076730A (ja) * 1983-10-03 1985-05-01 Asahi Optical Co Ltd 変倍複写機のズ−ムレンズ鏡筒
JP2572772B2 (ja) * 1987-07-13 1997-01-16 オリンパス光学工業株式会社 ズ−ムレンズのズ−ム機構

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5370431A (en) * 1976-12-06 1978-06-22 Fuji Photo Optical Co Ltd Lens shift device with mechanism interlocked with diaphragm
JPS53142229A (en) * 1977-05-18 1978-12-11 Minolta Camera Co Ltd Lens mover in lens-barrel

Also Published As

Publication number Publication date
HK34786A (en) 1986-05-23
GB2095423A (en) 1982-09-29
JPS57150842U (enrdf_load_stackoverflow) 1982-09-21

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930315