FR946970A - Improvement in color filters and polarizers more particularly intended for television - Google Patents

Improvement in color filters and polarizers more particularly intended for television

Info

Publication number
FR946970A
FR946970A FR946970DA FR946970A FR 946970 A FR946970 A FR 946970A FR 946970D A FR946970D A FR 946970DA FR 946970 A FR946970 A FR 946970A
Authority
FR
France
Prior art keywords
polarizers
television
improvement
color filters
particularly intended
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
Other languages
French (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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of FR946970A publication Critical patent/FR946970A/en
Expired 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/288—Filters employing polarising elements, e.g. Lyot or Solc filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/23—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  for the control of the colour

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Polarising Elements (AREA)
FR946970D 1946-05-31 1947-05-20 Improvement in color filters and polarizers more particularly intended for television Expired FR946970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US637310XA 1946-05-31 1946-05-31

Publications (1)

Publication Number Publication Date
FR946970A true FR946970A (en) 1949-06-20

Family

ID=22051109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946970D Expired FR946970A (en) 1946-05-31 1947-05-20 Improvement in color filters and polarizers more particularly intended for television

Country Status (3)

Country Link
BE (1) BE473595A (en)
FR (1) FR946970A (en)
GB (1) GB637310A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868172A (en) * 1973-06-18 1975-02-25 Ibm Multi-layer ferroelectric apparatus
EP0138454B1 (en) * 1983-09-26 1994-08-31 Tektronix, Inc. Switchable color filter and field sequential full color display system incorporating same
US4758818A (en) * 1983-09-26 1988-07-19 Tektronix, Inc. Switchable color filter and field sequential full color display system incorporating same
US4635051A (en) * 1983-09-26 1987-01-06 Tektronix, Inc. High-speed electro-optical light gate and field sequential full color display system incorporating same

Also Published As

Publication number Publication date
GB637310A (en) 1950-05-17
BE473595A (en)

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