DK152770C - Indretning til trinloes indstillelig billedformindskelse ved en elektrografisk kopieringsmaskine. - Google Patents

Indretning til trinloes indstillelig billedformindskelse ved en elektrografisk kopieringsmaskine.

Info

Publication number
DK152770C
DK152770C DK396577A DK396577A DK152770C DK 152770 C DK152770 C DK 152770C DK 396577 A DK396577 A DK 396577A DK 396577 A DK396577 A DK 396577A DK 152770 C DK152770 C DK 152770C
Authority
DK
Denmark
Prior art keywords
copy machine
stepless adjustable
adjustable picture
picture reduction
electrographic copy
Prior art date
Application number
DK396577A
Other languages
Danish (da)
English (en)
Other versions
DK396577A (da
DK152770B (da
Inventor
Raymond Alex Daniels
David Kent Gibson
Paul Kummli
Spencer Allan Snell
Michael Henry Ulrich
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Priority to DK524177A priority Critical patent/DK524177A/da
Publication of DK396577A publication Critical patent/DK396577A/da
Publication of DK152770B publication Critical patent/DK152770B/da
Application granted granted Critical
Publication of DK152770C publication Critical patent/DK152770C/da

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)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Microscoopes, Condenser (AREA)
  • Electrophotography Configuration And Component (AREA)
DK396577A 1976-09-07 1977-09-06 Indretning til trinloes indstillelig billedformindskelse ved en elektrografisk kopieringsmaskine. DK152770C (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK524177A DK524177A (da) 1976-09-07 1977-11-25 Fremgangsmaade til fokusjustering 9 et optisk system med trinloes 9ndstillelig forstoerrelse samt apparat til udoevelse af fremgangsmaaden

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/721,124 US4120578A (en) 1976-09-07 1976-09-07 Continuously variable reduction scanning optics drive
US72112476 1976-09-07

Publications (3)

Publication Number Publication Date
DK396577A DK396577A (da) 1978-03-08
DK152770B DK152770B (da) 1988-05-09
DK152770C true DK152770C (da) 1988-11-07

Family

ID=24896632

Family Applications (1)

Application Number Title Priority Date Filing Date
DK396577A DK152770C (da) 1976-09-07 1977-09-06 Indretning til trinloes indstillelig billedformindskelse ved en elektrografisk kopieringsmaskine.

Country Status (17)

Country Link
US (1) US4120578A (sv)
JP (1) JPS5363028A (sv)
AU (1) AU510214B2 (sv)
BE (1) BE857550A (sv)
BR (1) BR7705809A (sv)
CA (1) CA1082015A (sv)
CH (1) CH618023A5 (sv)
DE (1) DE2733114C2 (sv)
DK (1) DK152770C (sv)
ES (1) ES462141A1 (sv)
FI (1) FI64246C (sv)
FR (1) FR2363814A1 (sv)
GB (1) GB1527860A (sv)
IT (1) IT1114925B (sv)
NO (1) NO773064L (sv)
SE (1) SE435875B (sv)
SU (1) SU747444A3 (sv)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54133143A (en) * 1978-04-05 1979-10-16 Minolta Camera Co Ltd Scanning system control device in electrophotographic copier
US5146276A (en) * 1978-11-09 1992-09-08 Spectrum Sciences B.V. Rotatable focusing means and variable magnification electrophotocopier
JPS55108652A (en) * 1979-02-14 1980-08-21 Katsuragawa Denki Kk Orignal scanning control system for slit exposure type image recorder
JPS55130343U (sv) * 1979-03-08 1980-09-13
JPS55124168A (en) * 1979-03-19 1980-09-25 Ricoh Co Ltd Scanning method in variable power type copying machine and its device
US4198156A (en) * 1979-03-26 1980-04-15 International Business Machines Corporation Optics contamination prevention utilizing a coanda air deflection system
US4332461A (en) * 1979-12-06 1982-06-01 Ibm Corporation Electrical drive for scanning optics in a continuously variable reduction copier
JPS5681865A (en) * 1979-12-06 1981-07-04 Canon Inc Variable magnification copying machine
US4402595A (en) * 1980-03-25 1983-09-06 Canon Kabushiki Kaisha Scanning type image formation apparatus
JPS56133756A (en) * 1980-03-25 1981-10-20 Asahi Optical Co Ltd Optical device for variable magnification copying capable of size enlarging and reducing
US4353643A (en) * 1980-06-02 1982-10-12 Xerox Corporation Multimagnification mode optical system with rotating and translating lens
US4346984A (en) * 1980-10-20 1982-08-31 Xerox Corporation Document scanner
JPS5799664A (en) * 1980-12-11 1982-06-21 Asahi Optical Co Ltd Mirror-scanning control mechanism of variable magnification copying machine capable of contraction and enlargement
US4368976A (en) * 1981-03-09 1983-01-18 Xerox Corporation Variable speed scanning system
JPS57173861A (en) * 1981-04-21 1982-10-26 Fuji Xerox Co Ltd Lens moving device of copier
JPS57191654A (en) * 1981-05-21 1982-11-25 Canon Inc Picture recorder
JPS5835563A (ja) * 1981-08-26 1983-03-02 Canon Inc 複写装置
DE3241574A1 (de) * 1981-11-11 1983-05-26 Canon K.K., Tokyo Geraet zur bilderzeugung unter veraenderbarer vergroesserung
US4505581A (en) * 1982-04-28 1985-03-19 Xerox Corporation Registration system for a photocopier
US4543643A (en) * 1982-05-28 1985-09-24 Minolta Camera Copying magnification setting device for an electrophotographic copying apparatus
JPS58208739A (ja) * 1982-05-31 1983-12-05 Canon Inc 画像形成装置
US4441805A (en) * 1982-06-28 1984-04-10 International Business Machines Corporation Means for positioning optical components for a variable magnification/reduction copier optics system
JPS598505U (ja) * 1982-07-08 1984-01-20 ヤンマーディーゼル株式会社 スライドロ−タリ−装置
US5369733A (en) * 1982-10-01 1994-11-29 Canon Kabushiki Kaisha Image processing apparatus with apparatus for adjusting a magnification setting
JPS59197901A (ja) * 1983-04-25 1984-11-09 Canon Inc 運動制御装置
JPS60151622A (ja) * 1984-01-20 1985-08-09 Casio Comput Co Ltd 画像形成装置
US4839699A (en) * 1985-07-31 1989-06-13 Canon Kabushiki Kaisha Image reproducing apparatus
US7477425B2 (en) * 2002-07-19 2009-01-13 Hewlett-Packard Development Company, L.P. Biasable drive for an image scanner carriage
US6955747B2 (en) * 2002-09-23 2005-10-18 International Business Machines Corporation Cam driven paddle assembly for a plating cell
US20070144912A1 (en) * 2003-07-01 2007-06-28 Woodruff Daniel J Linearly translating agitators for processing microfeature workpieces, and associated methods

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927503A (en) * 1954-04-10 1960-03-08 Zollinger Walter Photographic projection copying device
US3076392A (en) * 1959-08-31 1963-02-05 Xerox Corp Xerographic reproducing apparatus
US3395610A (en) * 1965-05-11 1968-08-06 American Photocopy Equip Co Electrostatic copying machine for books and the like
US3640615A (en) * 1967-11-14 1972-02-08 Xerox Corp Xerographic reproducing apparatus
SE334842B (sv) * 1967-12-06 1971-05-03 Foervaltnings Ab Acta
US3542467A (en) * 1968-04-15 1970-11-24 Xerox Corp Xerographic reproducing apparatus
US3614222A (en) * 1970-04-24 1971-10-19 Olivetti & Co Spa Optical drive system for reproducing machine
JPS541178B1 (sv) * 1970-11-06 1979-01-22
US3876302A (en) * 1972-11-02 1975-04-08 Dick Co Ab High speed low inertia scanning system for a copying machine
JPS5241860Y2 (sv) * 1973-02-27 1977-09-22
US3897148A (en) * 1973-11-29 1975-07-29 Ibm Optical scanning system
JPS5626026B2 (sv) * 1973-12-28 1981-06-16
US4029409A (en) * 1975-06-20 1977-06-14 Xerox Corporation Multi-mode optical scanning system
US4095880A (en) * 1975-06-27 1978-06-20 Xerox Corporation Extended range variable magnification reproduction machine
US3998540A (en) * 1975-11-24 1976-12-21 Xerox Corporation Repositioning system for viewing and projection elements of a reproducing apparatus
GB1571095A (en) * 1975-12-01 1980-07-09 Canon Kk Variable magnification photocopier
JPS5267321A (en) * 1975-12-01 1977-06-03 Canon Inc Variable magnification optical instrument

Also Published As

Publication number Publication date
JPS574905B2 (sv) 1982-01-28
FR2363814A1 (fr) 1978-03-31
AU2832977A (en) 1979-03-08
CH618023A5 (sv) 1980-06-30
SE7710037L (sv) 1978-03-08
AU510214B2 (en) 1980-06-12
FI772632A (fi) 1978-03-08
DE2733114A1 (de) 1978-03-09
DE2733114C2 (de) 1985-07-11
US4120578A (en) 1978-10-17
ES462141A1 (es) 1978-07-01
DK396577A (da) 1978-03-08
BE857550A (fr) 1977-12-01
CA1082015A (en) 1980-07-22
FR2363814B1 (sv) 1980-07-11
FI64246C (fi) 1983-10-10
JPS5363028A (en) 1978-06-06
GB1527860A (en) 1978-10-11
BR7705809A (pt) 1978-06-27
SE435875B (sv) 1984-10-22
NO773064L (no) 1978-03-08
IT1114925B (it) 1986-02-03
DK152770B (da) 1988-05-09
FI64246B (fi) 1983-06-30
SU747444A3 (ru) 1980-07-23

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Legal Events

Date Code Title Description
PBP Patent lapsed