IT1139879B - Impianto di controllo di motori ad anello bloccato in fase - Google Patents

Impianto di controllo di motori ad anello bloccato in fase

Info

Publication number
IT1139879B
IT1139879B IT25365/81A IT2536581A IT1139879B IT 1139879 B IT1139879 B IT 1139879B IT 25365/81 A IT25365/81 A IT 25365/81A IT 2536581 A IT2536581 A IT 2536581A IT 1139879 B IT1139879 B IT 1139879B
Authority
IT
Italy
Prior art keywords
phase
control system
ring motors
locked
motors locked
Prior art date
Application number
IT25365/81A
Other languages
English (en)
Other versions
IT8125365A0 (it
Inventor
Siegfried Schneider
Original Assignee
Gestetner Mfg 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 Gestetner Mfg Ltd filed Critical Gestetner Mfg Ltd
Publication of IT8125365A0 publication Critical patent/IT8125365A0/it
Application granted granted Critical
Publication of IT1139879B publication Critical patent/IT1139879B/it

Links

Classifications

    • 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/911—Phase locked loop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/915—Sawtooth or ramp waveform generator

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Control Of Electric Motors In General (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Control Of Stepping Motors (AREA)
  • Control Of Multiple Motors (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
IT25365/81A 1980-12-02 1981-11-30 Impianto di controllo di motori ad anello bloccato in fase IT1139879B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8038559 1980-12-02

Publications (2)

Publication Number Publication Date
IT8125365A0 IT8125365A0 (it) 1981-11-30
IT1139879B true IT1139879B (it) 1986-09-24

Family

ID=10517696

Family Applications (2)

Application Number Title Priority Date Filing Date
IT25366/81A IT1139880B (it) 1980-12-02 1981-11-30 Impianto di azionamento di scansione di una fotocopiatrice
IT25365/81A IT1139879B (it) 1980-12-02 1981-11-30 Impianto di controllo di motori ad anello bloccato in fase

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT25366/81A IT1139880B (it) 1980-12-02 1981-11-30 Impianto di azionamento di scansione di una fotocopiatrice

Country Status (8)

Country Link
US (2) US4426149A (it)
JP (2) JPS57122682A (it)
DE (2) DE3147427A1 (it)
DK (2) DK530381A (it)
ES (2) ES8302383A1 (it)
FR (2) FR2495345A1 (it)
GB (2) GB2088572A (it)
IT (2) IT1139880B (it)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3317066A1 (de) * 1982-05-11 1983-11-17 Canon K.K., Tokyo Vorlagenabtasteinrichtung
JPS5969765A (ja) * 1982-10-15 1984-04-20 Canon Inc 回転体駆動装置
JPS5981712A (ja) * 1982-11-02 1984-05-11 Canon Inc 制御方式
US4575227A (en) * 1982-12-14 1986-03-11 Minolta Camera Kabushiki Kaisha Copying machine having a capability of reproducing images at different magnifications
DE3407064A1 (de) * 1983-02-28 1984-08-30 Canon K.K., Tokio/Tokyo Bildreproduktionsgeraet
JPS59165074A (ja) * 1983-03-10 1984-09-18 Fuji Xerox Co Ltd 複写機
JPS6017438A (ja) * 1983-07-11 1985-01-29 Toshiba Corp 露光制御装置
US4600867A (en) * 1983-11-01 1986-07-15 Nippon Soken, Inc. Motor speed controlling device
US4684240A (en) * 1984-03-16 1987-08-04 Xerox Corporation Document scanning drum and flash exposure copier
DE3419288A1 (de) * 1984-05-23 1985-11-28 Mergenthaler Linotype Gmbh, 6236 Eschborn Verfahren und vorrichtung zum synchronisieren einer materialbahn, insbesondere fotosensitiver materialbahn in einem fotosetzverfahren
JPS6123131A (ja) * 1984-07-12 1986-01-31 Canon Inc 電子写真装置
US4693595A (en) * 1984-08-30 1987-09-15 Sharp Kabushiki Method of controlling a stop position of an optical system in a copying machine
JPH0750371B2 (ja) * 1985-05-16 1995-05-31 神鋼電機株式会社 カラー複写機
JPS62192763A (ja) * 1986-02-19 1987-08-24 Ricoh Co Ltd 複写装置
US5063406A (en) * 1987-11-19 1991-11-05 Kwaun Manufacturing Company Copying machine
JPH01142541A (ja) * 1987-11-27 1989-06-05 Brother Ind Ltd 画像形成装置
JPH01244440A (ja) * 1988-03-25 1989-09-28 Brother Ind Ltd 画像形成装置
JPH01291260A (ja) * 1988-05-18 1989-11-22 Shinko Electric Co Ltd 複写機用サーボ装置
US4914474A (en) * 1988-06-10 1990-04-03 Eastman Kodak Company Speed control for film and document transport drives in a microfilm camera
GB2233107B (en) * 1989-06-07 1993-09-01 Unisys Corp Lens shuttle mechanism for microfilmer camera
DE3923521C2 (de) * 1989-07-15 1994-05-26 Kodak Ag Elektronische Kamera
JPH03201865A (ja) * 1989-12-28 1991-09-03 Toshiba Corp 原稿読取装置
US5049798A (en) * 1990-03-13 1991-09-17 Harris Graphics Corporation Control apparatus
GB2261737A (en) * 1990-08-22 1993-05-26 Adam Peter Major Scanning ultra violet exposure unit
JPH087406Y2 (ja) * 1990-12-27 1996-03-04 株式会社東芝 画像形成装置
US5193456A (en) * 1991-12-04 1993-03-16 Crown Cork & Seal Company, Inc. Apparatus for decorating beverage cans using a flexographic process
EP0562735A3 (en) * 1992-03-24 1994-12-21 Tokyo Shibaura Electric Co Image forming apparatus
JPH07231688A (ja) * 1994-02-10 1995-08-29 Toshiba Corp Ｐｌｌシステム
AU687717B3 (en) * 1997-06-04 1998-02-26 Umax Data Systems Inc. Document moving transmission system for an optical scanner
US6381406B1 (en) * 2001-03-02 2002-04-30 Hewlett-Packard Company Adaptive synchronous DC fan speed controller
US6812669B2 (en) * 2002-06-14 2004-11-02 Texas Instruments Incorporated Resonant scanning mirror driver circuit
JP6064576B2 (ja) * 2012-03-12 2017-01-25 株式会社リコー モータ制御装置およびモータ制御方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258669A (en) * 1966-06-28 Variable width fulse-fed micromotor control system
NL145416B (nl) * 1964-09-18 1975-03-17 Philips Nv Frequentie-omzetinrichting.
US3351831A (en) 1964-12-28 1967-11-07 Xerox Corp Motor speed control utilizing light sensitive conductive and resistive elements
US3598489A (en) * 1969-01-02 1971-08-10 Spaco Inc Projection system
JPS4919084Y1 (it) * 1969-11-07 1974-05-22
US3622703A (en) * 1970-04-29 1971-11-23 Magnavox Co Electronic synchronizing system employing plural switched oscillators
US3751143A (en) * 1972-07-11 1973-08-07 Massachusetts Inst Technology Synchronized sound and picture film recording and projection system
US3936710A (en) * 1973-06-04 1976-02-03 Canon Kabushiki Kaisha Synchronous drive control system for dc motor
US4022525A (en) * 1975-09-29 1977-05-10 Eprad Incorporated Intermittent film drive for motion picture projector
US4092576A (en) * 1975-10-14 1978-05-30 Exxon Research & Engineering Co. Method and apparatus for facsimile scanning
JPS5911905B2 (ja) 1975-12-18 1984-03-19 キヤノン株式会社 カヘンバイフクシヤキ
JPS5280033A (en) 1975-12-26 1977-07-05 Minolta Camera Co Ltd Cutter for a web of roll paper for variable multiplication electrophot ographic copying machine
GB1544269A (en) 1976-03-30 1979-04-19 Xerox Corp Copier
JPS52139440A (en) * 1976-05-17 1977-11-21 Canon Inc Electrostatic printing machine
US4150886A (en) * 1976-08-26 1979-04-24 Airborne Mfg. Co. Motion picture projector system
US4080062A (en) 1976-11-24 1978-03-21 Canon Kabushiki Kaisha Variable magnification optical mechanism
GB1599219A (en) 1977-02-15 1981-09-30 Ricoh Kk Copying apparatus
DE2735679A1 (de) 1977-08-08 1979-02-15 Canon Kk Fotokopiergeraet
US4149193A (en) * 1977-12-23 1979-04-10 Michner James G Facsimile drive with dynamic brake
JPS54133139A (en) * 1978-04-05 1979-10-16 Canon Inc Copying machine
JPS5541427A (en) * 1978-09-18 1980-03-24 Canon Inc Copying and recording apparatus
US4343461A (en) 1978-12-20 1982-08-10 Tokyo Shibaura Denki Kabushiki Kaisha Paper feeding cassette
DE3015820A1 (de) 1979-04-24 1980-11-06 Canon Kk Elektrophotographisches kopiergeraet mit veraenderbarer vergroesserung

Also Published As

Publication number Publication date
US4426149A (en) 1984-01-17
ES507562A0 (es) 1982-12-16
ES8302325A1 (es) 1982-12-16
DE3147441A1 (de) 1982-07-08
DK530281A (da) 1982-06-03
DE3147427A1 (de) 1982-07-01
FR2495345A1 (fr) 1982-06-04
DK530381A (da) 1982-06-03
GB8331527D0 (en) 1984-01-04
US4443742A (en) 1984-04-17
IT8125366A0 (it) 1981-11-30
FR2495401A1 (fr) 1982-06-04
JPS57122682A (en) 1982-07-30
ES8302383A1 (es) 1982-12-16
GB2088572A (en) 1982-06-09
IT1139880B (it) 1986-09-24
JPS57122457A (en) 1982-07-30
ES507560A0 (es) 1982-12-16
IT8125365A0 (it) 1981-11-30

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