AT289542B - Automatisch arbeitende Kopiereinrichtung, insbesondere für kinematographische Filme - Google Patents

Automatisch arbeitende Kopiereinrichtung, insbesondere für kinematographische Filme

Info

Publication number
AT289542B
AT289542B AT488068A AT488068A AT289542B AT 289542 B AT289542 B AT 289542B AT 488068 A AT488068 A AT 488068A AT 488068 A AT488068 A AT 488068A AT 289542 B AT289542 B AT 289542B
Authority
AT
Austria
Prior art keywords
copier
automatically operating
cinematographic films
cinematographic
films
Prior art date
Application number
AT488068A
Other languages
English (en)
Inventor
Andrew Balint
Willi Georg Engel
Original Assignee
Bell & Howell Co
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 Bell & Howell Co filed Critical Bell & Howell Co
Application granted granted Critical
Publication of AT289542B publication Critical patent/AT289542B/de

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
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
    • G03B27/735—Controlling exposure by variation of spectral composition, e.g. multicolor printers in dependence upon automatic analysis of the original

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Projection-Type Copiers In General (AREA)
AT488068A 1967-05-26 1968-05-21 Automatisch arbeitende Kopiereinrichtung, insbesondere für kinematographische Filme AT289542B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64153267A 1967-05-26 1967-05-26

Publications (1)

Publication Number Publication Date
AT289542B true AT289542B (de) 1971-04-26

Family

ID=24572783

Family Applications (1)

Application Number Title Priority Date Filing Date
AT488068A AT289542B (de) 1967-05-26 1968-05-21 Automatisch arbeitende Kopiereinrichtung, insbesondere für kinematographische Filme

Country Status (6)

Country Link
US (1) US3502409A (de)
AT (1) AT289542B (de)
CH (1) CH493002A (de)
DE (1) DE1772472B1 (de)
FR (1) FR1566063A (de)
GB (1) GB1218838A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818216A (en) * 1973-03-14 1974-06-18 P Larraburu Manually operated lamphouse
US3901592A (en) * 1973-10-15 1975-08-26 Minnesota Mining & Mfg Color printing apparatus
US4017178A (en) * 1975-03-14 1977-04-12 Psc Technology, Inc. Apparatus for detecting a malfunction in a color connecting light valve of a film printer
US4005934A (en) * 1975-03-14 1977-02-01 Psc Technology Inc. Apparatus for executing light control operations in a bidirectional film printer
US4045136A (en) * 1975-08-15 1977-08-30 Bell & Howell Company Control system for photographic film printers
US4488807A (en) * 1982-07-23 1984-12-18 Bell & Howell Company Light valve/fader and control circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1572798A (en) * 1923-09-01 1926-02-09 Erbograph Company Light-control attachment for film-printing machines
US3107578A (en) * 1959-12-05 1963-10-22 Agfa Ag Filter-operating arrangement for a photographic printing apparatus

Also Published As

Publication number Publication date
FR1566063A (de) 1969-05-02
DE1772472B1 (de) 1970-09-24
US3502409A (en) 1970-03-24
CH493002A (fr) 1970-06-30
GB1218838A (en) 1971-01-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee