CA971411A - Automatic speed control for copying apparatus - Google Patents

Automatic speed control for copying apparatus

Info

Publication number
CA971411A
CA971411A CA140,224A CA140224A CA971411A CA 971411 A CA971411 A CA 971411A CA 140224 A CA140224 A CA 140224A CA 971411 A CA971411 A CA 971411A
Authority
CA
Canada
Prior art keywords
speed control
copying apparatus
automatic speed
automatic
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
CA140,224A
Other languages
English (en)
Other versions
CA140224S (en
Inventor
Herbert Schroter
Werner Dennhardt
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.)
Hoechst AG
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
Priority claimed from DE2119373A external-priority patent/DE2119373C3/de
Priority claimed from DE19722204339 external-priority patent/DE2204339C3/de
Priority claimed from DE19722204338 external-priority patent/DE2204338C3/de
Priority claimed from DE19722204337 external-priority patent/DE2204337C3/de
Priority claimed from DE19722204336 external-priority patent/DE2204336C3/de
Application filed by Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA971411A publication Critical patent/CA971411A/en
Expired legal-status Critical Current

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 Of Exposure In Printing And Copying (AREA)
CA140,224A 1971-04-22 1972-04-21 Automatic speed control for copying apparatus Expired CA971411A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE2119373A DE2119373C3 (de) 1971-04-22 1971-04-22 Lichtpausmaschine für raumlich getrennte Vorlagen
DE19722204339 DE2204339C3 (de) 1972-01-31 1972-01-31 Lichtpausmaschine mit räumlich getrennten Vorlagen
DE19722204338 DE2204338C3 (de) 1972-01-31 1972-01-31 Lichtpausmaschine mit räumlich getrennten Vorlagen
DE19722204337 DE2204337C3 (de) 1972-01-31 1972-01-31 Lichtpausmaschine für räumlich getrennte Vorlagen
DE19722204336 DE2204336C3 (de) 1972-01-31 1972-01-31 Lichtpausmaschine mit räumlich getrennten Vorlagen

Publications (1)

Publication Number Publication Date
CA971411A true CA971411A (en) 1975-07-22

Family

ID=27510160

Family Applications (1)

Application Number Title Priority Date Filing Date
CA140,224A Expired CA971411A (en) 1971-04-22 1972-04-21 Automatic speed control for copying apparatus

Country Status (8)

Country Link
AT (2) AT346694B (cs)
BE (1) BE782428A (cs)
CA (1) CA971411A (cs)
CH (1) CH536500A (cs)
FR (1) FR2136598A5 (cs)
GB (1) GB1391194A (cs)
IT (1) IT986879B (cs)
NL (1) NL7204884A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407064A1 (de) * 1983-02-28 1984-08-30 Canon K.K., Tokio/Tokyo Bildreproduktionsgeraet

Also Published As

Publication number Publication date
AT346694B (de) 1978-11-27
GB1391194A (en) 1975-04-16
FR2136598A5 (cs) 1972-12-22
ATA19776A (de) 1977-09-15
ATA343172A (de) 1978-03-15
NL7204884A (cs) 1972-10-24
BE782428A (fr) 1972-10-20
CH536500A (de) 1973-04-30
AT343172B (de) 1978-03-15
IT986879B (it) 1975-01-30

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