FR2548397B1 - Dispositif de changement d'agrandissement pour machine a copier - Google Patents

Dispositif de changement d'agrandissement pour machine a copier

Info

Publication number
FR2548397B1
FR2548397B1 FR8410319A FR8410319A FR2548397B1 FR 2548397 B1 FR2548397 B1 FR 2548397B1 FR 8410319 A FR8410319 A FR 8410319A FR 8410319 A FR8410319 A FR 8410319A FR 2548397 B1 FR2548397 B1 FR 2548397B1
Authority
FR
France
Prior art keywords
copying machine
change device
magnification change
magnification
copying
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
FR8410319A
Other languages
English (en)
Other versions
FR2548397A1 (fr
Inventor
Isao Yamaguchi
Yusuke Sasamori
Hideo Takaoka
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2548397A1 publication Critical patent/FR2548397A1/fr
Application granted granted Critical
Publication of FR2548397B1 publication Critical patent/FR2548397B1/fr
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)
FR8410319A 1983-06-30 1984-06-29 Dispositif de changement d'agrandissement pour machine a copier Expired FR2548397B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58119715A JPS6011829A (ja) 1983-06-30 1983-06-30 複写倍率変換装置

Publications (2)

Publication Number Publication Date
FR2548397A1 FR2548397A1 (fr) 1985-01-04
FR2548397B1 true FR2548397B1 (fr) 1987-08-21

Family

ID=14768312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8410319A Expired FR2548397B1 (fr) 1983-06-30 1984-06-29 Dispositif de changement d'agrandissement pour machine a copier

Country Status (5)

Country Link
US (1) US4561770A (fr)
JP (1) JPS6011829A (fr)
DE (1) DE3424027A1 (fr)
FR (1) FR2548397B1 (fr)
GB (1) GB2143647B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6354992A (ja) * 1986-08-27 1988-03-09 Oji Paper Co Ltd パルプ排水の光化学的処理方法
DE3780552T2 (de) * 1986-10-02 1992-12-10 Sharp Kk Vergroesserungsaenderungsmechanismus fuer ein kopiergeraet mit variabler vergroesserung.
US4796059A (en) * 1987-01-28 1989-01-03 Konica Corporation Image forming apparatus with magnification changing device
US5097290A (en) * 1989-03-16 1992-03-17 Kabushiki Kaisha Toshiba Scanner for scanning an object from a plurality of positions
EP0634363B1 (fr) * 1993-07-12 1998-12-16 Ishihara Sangyo Kaisha, Ltd. Procédé de préparation d'un photocatalyseur et procédé pour le traitement de l'eau

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240863B2 (fr) * 1972-12-28 1977-10-14
US4095880A (en) * 1975-06-27 1978-06-20 Xerox Corporation Extended range variable magnification reproduction machine
JPS5267321A (en) * 1975-12-01 1977-06-03 Canon Inc Variable magnification optical instrument
US4118118A (en) * 1976-05-07 1978-10-03 Universal Photocopy, Inc. Electrostatic copier machine with selectable magnification ratios
US4047811A (en) * 1976-05-27 1977-09-13 Xerox Corporation Available light marginal illumination system
GB1525218A (en) * 1976-09-07 1978-09-20 Ibm Electrophotographic copying machine
JPS5820428B2 (ja) * 1976-12-14 1983-04-22 キヤノン株式会社 露光光学系の倍率変換装置
JPS5480736A (en) * 1977-12-10 1979-06-27 Tokyo Optical Variable multiplication optical system for copying machine
DE3022953A1 (de) * 1979-06-22 1981-01-22 Canon Kk Kopiergeraet mit veraenderbarer vergroesserung
US4334762A (en) * 1979-10-15 1982-06-15 Savin Corporation Single fixed position lens variable copy size optical system for copying machine
JPS5739057A (en) * 1980-08-22 1982-03-04 Sintokogio Ltd Mold assembling method and its mold
JPS57163257A (en) * 1981-03-31 1982-10-07 Matsushita Electric Ind Co Ltd Copying device

Also Published As

Publication number Publication date
DE3424027A1 (de) 1985-01-10
JPS6011829A (ja) 1985-01-22
GB2143647A (en) 1985-02-13
GB8416196D0 (en) 1984-08-01
FR2548397A1 (fr) 1985-01-04
GB2143647B (en) 1986-10-08
DE3424027C2 (fr) 1987-04-23
US4561770A (en) 1985-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse