BE700906A - - Google Patents

Info

Publication number
BE700906A
BE700906A BE700906DA BE700906A BE 700906 A BE700906 A BE 700906A BE 700906D A BE700906D A BE 700906DA BE 700906 A BE700906 A BE 700906A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE700906A publication Critical patent/BE700906A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • 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
    • G03B27/727—Optical projection devices wherein the contrast is controlled optically (e.g. uniform exposure, two colour exposure on variable contrast sensitive material)
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/02—Sensitometric processes, e.g. determining sensitivity, colour sensitivity, gradation, graininess, density; Making sensitometric wedges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Projection Apparatus (AREA)
BE700906D 1966-07-05 1967-07-04 BE700906A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4377366 1966-07-05

Publications (1)

Publication Number Publication Date
BE700906A true BE700906A (de) 1967-12-18

Family

ID=12673058

Family Applications (1)

Application Number Title Priority Date Filing Date
BE700906D BE700906A (de) 1966-07-05 1967-07-04

Country Status (3)

Country Link
US (1) US3498705A (de)
BE (1) BE700906A (de)
DE (1) DE1622112A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984186A (en) * 1969-02-27 1976-10-05 Canon Kabushiki Kaisha Projection masking system
US4256368A (en) * 1980-01-07 1981-03-17 The United States Of America As Represented By The Secretary Of The Air Force Color contrast sensitivity measuring device
US4306783A (en) * 1980-02-27 1981-12-22 The United States Of America As Represented By The Secretary Of The Navy Scattered-light imaging system
US4299451A (en) * 1980-04-15 1981-11-10 The United States Of America As Represented By The Secretary Of The Air Force Minimum resolvable contrast measurement device
US4384768A (en) * 1981-12-28 1983-05-24 Martin J. Steinbach Method and apparatus for manipulating the contrast of sine wave gratings and other visual patterns
US4497892A (en) * 1983-06-13 1985-02-05 Ncr Corporation Method for forming multiple images on a photographic film
US4661828A (en) * 1985-03-20 1987-04-28 Miller Jr Verelyn A Optical imaging head
US4788600A (en) * 1987-04-15 1988-11-29 Eastman Kodak Company Video apparatus for generating an adjustable contrast video signal from a photographic print
US5341192A (en) * 1993-03-02 1994-08-23 Black & Veatch Architects, Inc. Flow camera for large document reproductions
JP2725606B2 (ja) * 1994-08-25 1998-03-11 日本電気株式会社 液晶プロジェクター装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2641963A (en) * 1950-11-16 1953-06-16 Stanley R Carter Method and apparatus for increasing contrast of transparencies
US2783678A (en) * 1951-10-02 1957-03-05 Technicolor Motion Picture Photographic contrast control system

Also Published As

Publication number Publication date
US3498705A (en) 1970-03-03
DE1622112A1 (de) 1971-03-11

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