IL67569A - Two-color liquid crystal light valve image projection system with prepolarization including means for removing undesirable polarization - Google Patents

Two-color liquid crystal light valve image projection system with prepolarization including means for removing undesirable polarization

Info

Publication number
IL67569A
IL67569A IL67569A IL6756982A IL67569A IL 67569 A IL67569 A IL 67569A IL 67569 A IL67569 A IL 67569A IL 6756982 A IL6756982 A IL 6756982A IL 67569 A IL67569 A IL 67569A
Authority
IL
Israel
Prior art keywords
prepolarization
liquid crystal
projection system
including means
light valve
Prior art date
Application number
IL67569A
Other languages
English (en)
Other versions
IL67569A0 (en
Original Assignee
Hughes Aircraft 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
Priority claimed from US06/334,678 external-priority patent/US4464019A/en
Priority claimed from US06/334,681 external-priority patent/US4544237A/en
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL67569A0 publication Critical patent/IL67569A0/xx
Publication of IL67569A publication Critical patent/IL67569A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
IL67569A 1981-12-28 1982-12-27 Two-color liquid crystal light valve image projection system with prepolarization including means for removing undesirable polarization IL67569A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/334,678 US4464019A (en) 1981-12-28 1981-12-28 Two-color liquid crystal light valve image projection system with color selective prepolarizers in single optical tank
US06/334,681 US4544237A (en) 1981-12-28 1981-12-28 High efficiency optical tank for two-color liquid crystal light valve image projection with color selective prepolarization

Publications (2)

Publication Number Publication Date
IL67569A0 IL67569A0 (en) 1983-05-15
IL67569A true IL67569A (en) 1988-11-30

Family

ID=26989316

Family Applications (1)

Application Number Title Priority Date Filing Date
IL67569A IL67569A (en) 1981-12-28 1982-12-27 Two-color liquid crystal light valve image projection system with prepolarization including means for removing undesirable polarization

Country Status (5)

Country Link
EP (1) EP0083087B1 (fr)
CA (1) CA1212852A (fr)
DE (1) DE3276994D1 (fr)
IL (1) IL67569A (fr)
NO (1) NO165896C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4690526A (en) * 1985-09-12 1987-09-01 Hughes Aircraft Company Prism assembly for a single light valve full-color projector
US4824214A (en) * 1987-07-27 1989-04-25 Hughes Aircraft Company Unitary prepolarizing prism assembly for a four color liquid crystal light valve image projector
DE102004033205A1 (de) * 2004-07-09 2006-02-09 Fresenius Kabi Deutschland Gmbh Steriler Port

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127322A (en) * 1975-12-05 1978-11-28 Hughes Aircraft Company High brightness full color image light valve projection system
US4191456A (en) * 1979-03-08 1980-03-04 Hughes Aircraft Company Optical block for high brightness full color video projection system

Also Published As

Publication number Publication date
IL67569A0 (en) 1983-05-15
NO824373L (no) 1983-06-29
EP0083087A3 (en) 1984-08-15
EP0083087B1 (fr) 1987-08-12
DE3276994D1 (en) 1987-09-17
EP0083087A2 (fr) 1983-07-06
NO165896B (no) 1991-01-14
NO165896C (no) 1991-04-24
CA1212852A (fr) 1986-10-21

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