BE783873A - Systeme de controle d'exposition et de lecture de la densite d'un original - Google Patents

Systeme de controle d'exposition et de lecture de la densite d'un original

Info

Publication number
BE783873A
BE783873A BE783873A BE783873A BE783873A BE 783873 A BE783873 A BE 783873A BE 783873 A BE783873 A BE 783873A BE 783873 A BE783873 A BE 783873A BE 783873 A BE783873 A BE 783873A
Authority
BE
Belgium
Prior art keywords
original
exposure control
reading system
density reading
density
Prior art date
Application number
BE783873A
Other languages
English (en)
French (fr)
Inventor
W L Mcintosh
D W Schmidt
Original Assignee
Logetronics Inc
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 Logetronics Inc filed Critical Logetronics Inc
Publication of BE783873A publication Critical patent/BE783873A/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/59—Transmissivity
    • G01N21/5907—Densitometers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Projection-Type Copiers In General (AREA)
  • Image Input (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
BE783873A 1971-09-09 1972-05-24 Systeme de controle d'exposition et de lecture de la densite d'un original BE783873A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17908071A 1971-09-09 1971-09-09

Publications (1)

Publication Number Publication Date
BE783873A true BE783873A (fr) 1972-09-18

Family

ID=22655165

Family Applications (1)

Application Number Title Priority Date Filing Date
BE783873A BE783873A (fr) 1971-09-09 1972-05-24 Systeme de controle d'exposition et de lecture de la densite d'un original

Country Status (10)

Country Link
US (1) US3734630A (de)
JP (1) JPS5116245B2 (de)
AU (1) AU4145672A (de)
BE (1) BE783873A (de)
BR (1) BR7204569D0 (de)
CA (1) CA953120A (de)
CH (1) CH556554A (de)
DE (1) DE2220018A1 (de)
GB (1) GB1385532A (de)
NL (1) NL7211209A (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053235A (en) * 1973-04-27 1977-10-11 Cosar Corporation Digital reflection densitometer system
US3924948A (en) * 1973-12-17 1975-12-09 Kontes Glass Co Densitometer for use in quantitative thin layer chromatographic analysis
US3958509A (en) * 1974-06-13 1976-05-25 Harris Corporation Image scan and ink control system
US4210078A (en) * 1974-06-24 1980-07-01 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Apparatus for use on printing presses to insure optimum color density and to assist in making corrective adjustment
JPS5127381A (ja) * 1974-08-30 1976-03-06 Omron Tateisi Electronics Co Dakudokei
US4153364A (en) * 1977-01-28 1979-05-08 Ricoh Company, Ltd. Exposure and development control apparatus for electrostatic copying machine
US4334767A (en) * 1979-06-29 1982-06-15 Xerox Corporation Flash exposure system
US4343552A (en) * 1979-12-28 1982-08-10 Purecycle Corporation Nephelometer
EP0171360B1 (de) * 1984-08-08 1990-01-10 GRETAG Aktiengesellschaft Densitometer
US4950905A (en) * 1989-02-06 1990-08-21 Xerox Corporation Colored toner optical developability sensor with improved sensing latitude
US5303000A (en) * 1991-06-07 1994-04-12 Agfa-Gevaert Aktiengesellschaft Method of and apparatus for ascertaining the characteristics of shorter and longer sections of photographic material
DE4318637C1 (de) * 1993-06-04 1994-06-23 Krzyminski Harald Handdensitometer
US6394952B1 (en) 1998-02-03 2002-05-28 Adeza Biomedical Corporation Point of care diagnostic systems
US6267722B1 (en) 1998-02-03 2001-07-31 Adeza Biomedical Corporation Point of care diagnostic systems
USD432244S (en) * 1998-04-20 2000-10-17 Adeza Biomedical Corporation Device for encasing an assay test strip
USD434153S (en) * 1998-04-20 2000-11-21 Adeza Biomedical Corporation Point of care analyte detector system
US6246045B1 (en) * 1998-09-09 2001-06-12 Mcdonnell Douglas Corporation Reflected radiance sensors for detection of reflected radiation
WO2000028471A1 (en) * 1998-11-06 2000-05-18 Ethentica, Inc. Relief object sensor adaptor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1085806A (en) * 1964-11-14 1967-10-04 Medical & Electrical Instrumen Improvements in or relating to enlarging exposure meters and electronic timers
US3512894A (en) * 1965-09-27 1970-05-19 Robert E Wood Color density comparator
US3542470A (en) * 1968-12-04 1970-11-24 Clarence Samuel Ost Automatic computing density range coupled light integrator
US3623817A (en) * 1970-02-24 1971-11-30 Ciba Ltd Comparison densitometer including means to maintain the detector output at a means valve

Also Published As

Publication number Publication date
CH556554A (de) 1974-11-29
CA953120A (en) 1974-08-20
GB1385532A (en) 1975-02-26
AU4145672A (en) 1973-10-25
JPS5116245B2 (de) 1976-05-22
NL7211209A (de) 1973-03-13
JPS4838035A (de) 1973-06-05
BR7204569D0 (pt) 1974-09-05
DE2220018A1 (de) 1973-03-22
US3734630A (en) 1973-05-22

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