CH574119A5 - - Google Patents

Info

Publication number
CH574119A5
CH574119A5 CH1810773A CH1810773A CH574119A5 CH 574119 A5 CH574119 A5 CH 574119A5 CH 1810773 A CH1810773 A CH 1810773A CH 1810773 A CH1810773 A CH 1810773A CH 574119 A5 CH574119 A5 CH 574119A5
Authority
CH
Switzerland
Application number
CH1810773A
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of CH574119A5 publication Critical patent/CH574119A5/xx

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
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Projection-Type Copiers In General (AREA)
CH1810773A 1972-12-29 1973-12-21 CH574119A5 (sl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2263952A DE2263952C2 (de) 1972-12-29 1972-12-29 Vorrichtung zur automatischen Steuerung der Durchlaufgeschwindigkeit von Vorlage und Kopiermaterial in Abhängigkeit von der Transparenz der Vorlage in einem Kopiergerät

Publications (1)

Publication Number Publication Date
CH574119A5 true CH574119A5 (sl) 1976-03-31

Family

ID=5865711

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1810773A CH574119A5 (sl) 1972-12-29 1973-12-21

Country Status (12)

Country Link
US (1) US3879125A (sl)
JP (1) JPS4998629A (sl)
AT (1) AT348853B (sl)
BE (1) BE809188A (sl)
CH (1) CH574119A5 (sl)
DE (1) DE2263952C2 (sl)
ES (1) ES421829A1 (sl)
FR (1) FR2212943A5 (sl)
GB (1) GB1458530A (sl)
IT (1) IT1000391B (sl)
NL (1) NL7317178A (sl)
SE (1) SE397009B (sl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2438491C2 (de) * 1974-08-10 1985-04-04 Hoechst Ag, 6230 Frankfurt Vorrichtung zum Steuern der Belichtung mittels Änderung der Transportgeschwindigkeit einer Vorlage und der Beleuchtungsstärke einer Lichtquelle in einem Kopiergerät
NL7803129A (nl) * 1978-03-23 1979-09-25 Oce Van Der Grinten Nv Inrichting voor het positioneren van een velvormig origineel.
US4633694A (en) * 1985-02-13 1987-01-06 Kazuo Miyazaki Automatic control on strip continuous processing lines

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248029A (en) * 1963-12-20 1966-04-26 Ibm Non-sprocketed microfilm stepping device
US3349684A (en) * 1964-10-26 1967-10-31 Rosemount Eng Co Ltd Copying machine exposure control
SE317261B (sl) * 1964-12-24 1969-11-10 Mita Industrial Co Ltd
US3588247A (en) * 1967-05-17 1971-06-28 Minolta Camera Kk Automatic exposure control device for copying machine
NL6909654A (sl) * 1969-06-24 1970-12-29
US3679306A (en) * 1971-01-21 1972-07-25 Pitney Bowes Inc Feedback system for controlling image light energy in electrostatic photocopiers
DE2204339C3 (de) * 1972-01-31 1979-05-23 Hoechst Ag, 6000 Frankfurt Lichtpausmaschine mit räumlich getrennten Vorlagen
DE2119373C3 (de) * 1971-04-22 1978-07-13 Hoechst Ag, 6000 Frankfurt Lichtpausmaschine für raumlich getrennte Vorlagen
DE2119869C3 (de) * 1971-04-23 1978-09-21 Meteor-Siegen Apparatebau Paul Schmeck Gmbh, 5900 Siegen Lichtpausmaschine mit einer integrierenden Meßeinrichtung zur Messung der Iichtdurchlassigkeit eines zu kopierenden Originals

Also Published As

Publication number Publication date
DE2263952A1 (de) 1974-07-04
FR2212943A5 (sl) 1974-07-26
DE2263952C2 (de) 1981-11-12
ES421829A1 (es) 1976-08-01
AT348853B (de) 1979-03-12
SE397009B (sv) 1977-10-10
ATA1081973A (de) 1978-07-15
US3879125A (en) 1975-04-22
IT1000391B (it) 1976-03-30
JPS4998629A (sl) 1974-09-18
NL7317178A (sl) 1974-07-02
BE809188A (fr) 1974-06-27
GB1458530A (en) 1976-12-15

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Legal Events

Date Code Title Description
PL Patent ceased