JPS5820428B2 - 露光光学系の倍率変換装置 - Google Patents

露光光学系の倍率変換装置

Info

Publication number
JPS5820428B2
JPS5820428B2 JP51150216A JP15021676A JPS5820428B2 JP S5820428 B2 JPS5820428 B2 JP S5820428B2 JP 51150216 A JP51150216 A JP 51150216A JP 15021676 A JP15021676 A JP 15021676A JP S5820428 B2 JPS5820428 B2 JP S5820428B2
Authority
JP
Japan
Prior art keywords
wire
direction changing
pulley
optical system
mirror
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
JP51150216A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5374025A (en
Inventor
北島忠行
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP51150216A priority Critical patent/JPS5820428B2/ja
Priority to US05/859,254 priority patent/US4168905A/en
Priority to DE2755498A priority patent/DE2755498C2/de
Priority to FR7737564A priority patent/FR2374670A1/fr
Priority to GB52103/77A priority patent/GB1597583A/en
Publication of JPS5374025A publication Critical patent/JPS5374025A/ja
Publication of JPS5820428B2 publication Critical patent/JPS5820428B2/ja
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
JP51150216A 1976-12-14 1976-12-14 露光光学系の倍率変換装置 Expired JPS5820428B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP51150216A JPS5820428B2 (ja) 1976-12-14 1976-12-14 露光光学系の倍率変換装置
US05/859,254 US4168905A (en) 1976-12-14 1977-12-09 Variable magnification copying apparatus
DE2755498A DE2755498C2 (de) 1976-12-14 1977-12-13 Kopiergerät mit veränderbarer Vergrößerung
FR7737564A FR2374670A1 (fr) 1976-12-14 1977-12-13 Machine a copier a agrandissement variable
GB52103/77A GB1597583A (en) 1976-12-14 1977-12-14 Variable magnification copying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51150216A JPS5820428B2 (ja) 1976-12-14 1976-12-14 露光光学系の倍率変換装置

Publications (2)

Publication Number Publication Date
JPS5374025A JPS5374025A (en) 1978-07-01
JPS5820428B2 true JPS5820428B2 (ja) 1983-04-22

Family

ID=15492063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51150216A Expired JPS5820428B2 (ja) 1976-12-14 1976-12-14 露光光学系の倍率変換装置

Country Status (5)

Country Link
US (1) US4168905A (enExample)
JP (1) JPS5820428B2 (enExample)
DE (1) DE2755498C2 (enExample)
FR (1) FR2374670A1 (enExample)
GB (1) GB1597583A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5895366A (ja) * 1981-11-30 1983-06-06 Mita Ind Co Ltd 変倍複写可能な静電複写機における光学装置
JPS58143358A (ja) * 1982-02-19 1983-08-25 Matsushita Electric Ind Co Ltd 複写機の倍率変換装置
JPS58182627A (ja) * 1982-04-20 1983-10-25 Mita Ind Co Ltd 静電複写機
CA1252325A (en) * 1982-09-21 1989-04-11 John N. Lane Multiple magnification mode copying apparatus
JPS6011829A (ja) * 1983-06-30 1985-01-22 Matsushita Electric Ind Co Ltd 複写倍率変換装置
JPS60194438A (ja) * 1984-03-15 1985-10-02 Sharp Corp 原稿ドラムを備えた複写機
US4629310A (en) * 1984-07-06 1986-12-16 Savin Corporation Optical scanning system for variable-magnification copier
KR101550374B1 (ko) * 2013-12-31 2015-09-04 주식회사 효성 고전압 ｄｃ 차단기

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614222A (en) * 1970-04-24 1971-10-19 Olivetti & Co Spa Optical drive system for reproducing machine
US3914044A (en) * 1972-03-29 1975-10-21 Minolta Camera Kk Surface exposure device for copying apparatus
JPS5241860Y2 (enExample) * 1973-02-27 1977-09-22
US4073584A (en) * 1973-09-27 1978-02-14 Canon Kabushiki Kaisha Slit exposure device for use with a stationary original carriage
GB1432479A (en) * 1973-11-06 1976-04-14 Xerox Corp Dashpots
JPS5616425B2 (enExample) * 1974-03-23 1981-04-16
JPS5437084Y2 (enExample) * 1974-09-06 1979-11-07
JPS5134731A (en) * 1974-09-18 1976-03-24 Kojin Kk Tashokutoeiyogenzu no sakuseiho

Also Published As

Publication number Publication date
FR2374670B1 (enExample) 1982-05-28
GB1597583A (en) 1981-09-09
JPS5374025A (en) 1978-07-01
US4168905A (en) 1979-09-25
DE2755498C2 (de) 1986-06-19
FR2374670A1 (fr) 1978-07-13
DE2755498A1 (de) 1978-06-15

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