FR2280890B3 - - Google Patents

Info

Publication number
FR2280890B3
FR2280890B3 FR7524100A FR7524100A FR2280890B3 FR 2280890 B3 FR2280890 B3 FR 2280890B3 FR 7524100 A FR7524100 A FR 7524100A FR 7524100 A FR7524100 A FR 7524100A FR 2280890 B3 FR2280890 B3 FR 2280890B3
Authority
FR
France
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
FR7524100A
Other languages
French (fr)
Other versions
FR2280890A1 (fr
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.)
Technical Operations Inc
Original Assignee
Technical Operations 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 Technical Operations Inc filed Critical Technical Operations Inc
Publication of FR2280890A1 publication Critical patent/FR2280890A1/fr
Application granted granted Critical
Publication of FR2280890B3 publication Critical patent/FR2280890B3/fr
Granted legal-status Critical Current

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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/4238—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Color Television Image Signal Generators (AREA)
  • Spectrometry And Color Measurement (AREA)
FR7524100A 1974-08-01 1975-08-01 Dispositif de controle d'appareil de restitution d'images optiques Granted FR2280890A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/493,697 US3945731A (en) 1974-08-01 1974-08-01 Color control system for optical image apparatus

Publications (2)

Publication Number Publication Date
FR2280890A1 FR2280890A1 (fr) 1976-02-27
FR2280890B3 true FR2280890B3 (OSRAM) 1978-03-17

Family

ID=23961334

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524100A Granted FR2280890A1 (fr) 1974-08-01 1975-08-01 Dispositif de controle d'appareil de restitution d'images optiques

Country Status (5)

Country Link
US (1) US3945731A (OSRAM)
JP (1) JPS5137666A (OSRAM)
DE (1) DE2532923A1 (OSRAM)
FR (1) FR2280890A1 (OSRAM)
IT (1) IT1041070B (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE415397B (sv) * 1978-06-02 1980-09-29 Asea Ab Fiberoptiskt metdon
US4290699A (en) * 1979-04-04 1981-09-22 Idelson Elbert M Color synthesizing
US4650983A (en) * 1983-11-07 1987-03-17 Nippon Kogaku K. K. Focusing apparatus for projection optical system
US5031078A (en) * 1989-08-28 1991-07-09 Vari-Lite, Inc. Additive color mixing system with variable hue and saturation light sources
US5340974A (en) * 1991-12-09 1994-08-23 Hughes Aircraft Company Polychromatic source calibration by one or more spectrally filtered photodetector currents

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454775A (en) * 1964-12-30 1969-07-08 Ibm Information decoding apparatus employing a frequency sensitive light responsive receiver
US3805065A (en) * 1973-04-13 1974-04-16 A Williams Lighting control system

Also Published As

Publication number Publication date
IT1041070B (it) 1980-01-10
JPS5137666A (en) 1976-03-30
FR2280890A1 (fr) 1976-02-27
DE2532923A1 (de) 1976-02-19
US3945731A (en) 1976-03-23

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Legal Events

Date Code Title Description
ST Notification of lapse