DK138713B - Elektrostatisk kopieringsapparat med en roterende, fotoelektrisk tromle. - Google Patents

Elektrostatisk kopieringsapparat med en roterende, fotoelektrisk tromle.

Info

Publication number
DK138713B
DK138713B DK628772AA DK628772A DK138713B DK 138713 B DK138713 B DK 138713B DK 628772A A DK628772A A DK 628772AA DK 628772 A DK628772 A DK 628772A DK 138713 B DK138713 B DK 138713B
Authority
DK
Denmark
Prior art keywords
rotating
electrostatic copier
photoelectric drum
photoelectric
drum
Prior art date
Application number
DK628772AA
Other languages
English (en)
Other versions
DK138713C (da
Inventor
Ronald Vaughn Davidge
George Wilson Hobgood
Carl Allan Queener
Jesse Wayne Spears
Bernard George Thompson
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
Publication of DK138713B publication Critical patent/DK138713B/da
Application granted granted Critical
Publication of DK138713C publication Critical patent/DK138713C/da

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/14—Electronic sequencing control
    • G03G21/145—Electronic sequencing control wherein control pulses are generated by the mechanical movement of parts of the machine, e.g. the photoconductor
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/28—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning
    • G03G15/30—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Cleaning In Electrography (AREA)
  • Control Or Security For Electrophotography (AREA)
DK628772AA 1971-12-17 1972-12-15 Elektrostatisk kopieringsapparat med en roterende, fotoelektrisk tromle. DK138713B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20932671A 1971-12-17 1971-12-17

Publications (2)

Publication Number Publication Date
DK138713B true DK138713B (da) 1978-10-16
DK138713C DK138713C (da) 1979-03-26

Family

ID=22778317

Family Applications (1)

Application Number Title Priority Date Filing Date
DK628772AA DK138713B (da) 1971-12-17 1972-12-15 Elektrostatisk kopieringsapparat med en roterende, fotoelektrisk tromle.

Country Status (15)

Country Link
US (1) US3736055A (da)
JP (1) JPS5317292B2 (da)
AR (1) AR203173A1 (da)
AU (1) AU460913B2 (da)
BE (1) BE792640A (da)
CA (1) CA1003026A (da)
CH (1) CH541825A (da)
DK (1) DK138713B (da)
FI (1) FI57187C (da)
FR (1) FR2165420A5 (da)
GB (1) GB1363358A (da)
IT (1) IT967822B (da)
NL (1) NL7215311A (da)
NO (1) NO135080C (da)
SE (1) SE372354B (da)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982832A (en) * 1972-06-23 1976-09-28 Rank Xerox Ltd. Electrostatographic copying machines
US3877416A (en) * 1973-04-23 1975-04-15 Xerox Corp Humidity corrected transfer apparatus
US3914047A (en) * 1973-10-01 1975-10-21 Eastman Kodak Co Synchronizing control apparatus for electrophotographic apparatus utilizing digital computer
US3957423A (en) * 1974-01-08 1976-05-18 Xerox Corporation Stripper finger design
US4054380A (en) * 1974-02-22 1977-10-18 Xerox Corporation Control system for high speed copier/duplicators
US3921571A (en) * 1974-06-24 1975-11-25 Itek Corp Multiple development method and apparatus for electrophotographic copiers
JPS6040023B2 (ja) * 1974-09-18 1985-09-09 キヤノン株式会社 複写装置
US4139300A (en) * 1974-10-22 1979-02-13 Canon Kabushiki Kaisha Copying apparatus with variable stop position
AU499872B2 (en) * 1974-10-23 1979-05-03 Coulter Systems Corporation Multiple copy electrography
JPS51106440A (da) * 1975-03-17 1976-09-21 Ricoh Kk
US4142792A (en) * 1976-02-13 1979-03-06 Ricoh Company, Ltd. Electrophotographic apparatus
JPS5552440Y2 (da) * 1976-04-08 1980-12-05
JPS52139440A (en) * 1976-05-17 1977-11-21 Canon Inc Electrostatic printing machine
JPS5337421A (en) * 1976-09-20 1978-04-06 Ricoh Co Ltd Electrophotographic copying method
US4140386A (en) * 1976-09-14 1979-02-20 Ricoh Company, Ltd. Electrophotographic apparatus
US4141648A (en) * 1976-12-15 1979-02-27 International Business Machines Corporation Photoconductor charging technique
US4166690A (en) * 1977-11-02 1979-09-04 International Business Machines Corporation Digitally regulated power supply for use in electrostatic transfer reproduction apparatus
JPS54137352A (en) * 1978-04-18 1979-10-25 Olympus Optical Co Ltd Cleaning mechanism for xerographic apparatus
US4345834A (en) * 1978-11-02 1982-08-24 Mita Industrial Company Limited Transfer type electrostatic copying apparatus
JPS55103565A (en) * 1979-02-02 1980-08-07 Olympus Optical Co Ltd Plural sheets copying apparatus
CA1173890A (en) * 1980-08-28 1984-09-04 John H. Dodge Control of copier start-up operations
US4384784A (en) * 1980-10-20 1983-05-24 Ricoh Company, Ltd. Electrophotographic copying apparatus and subsystems therefor
JPS5868058A (ja) * 1981-10-19 1983-04-22 Ricoh Co Ltd カラ−複写機

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3528738A (en) * 1967-12-07 1970-09-15 Eastman Kodak Co Method and apparatus for scan lighting in photocopy projection equipment
GB1203016A (en) * 1968-03-19 1970-08-26 Ricoh Kk Improvements in and relating to photographic exposure arrangements
US3554640A (en) * 1968-11-25 1971-01-12 Ibm Drive coupling system
US3614222A (en) * 1970-04-24 1971-10-19 Olivetti & Co Spa Optical drive system for reproducing machine
US3637306A (en) * 1970-12-02 1972-01-25 Ibm Copying system featuring alternate developing and cleaning of successive image areas on photoconductor

Also Published As

Publication number Publication date
JPS4869523A (da) 1973-09-21
SE372354B (da) 1974-12-16
FI57187C (fi) 1980-06-10
FR2165420A5 (da) 1973-08-03
CH541825A (de) 1973-09-15
NL7215311A (da) 1973-06-19
CA1003026A (en) 1977-01-04
DE2245065A1 (de) 1973-07-05
NO135080B (da) 1976-10-25
AU460913B2 (en) 1975-05-08
AR203173A1 (es) 1975-08-22
DE2245065B2 (de) 1975-06-05
AU4891272A (en) 1974-05-16
GB1363358A (en) 1974-08-14
IT967822B (it) 1974-03-11
BE792640A (fr) 1973-03-30
JPS5317292B2 (da) 1978-06-07
NO135080C (da) 1977-02-02
FI57187B (fi) 1980-02-29
US3736055A (en) 1973-05-29
DK138713C (da) 1979-03-26

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