CH571727A5 - - Google Patents

Info

Publication number
CH571727A5
CH571727A5 CH1351174A CH1351174A CH571727A5 CH 571727 A5 CH571727 A5 CH 571727A5 CH 1351174 A CH1351174 A CH 1351174A CH 1351174 A CH1351174 A CH 1351174A CH 571727 A5 CH571727 A5 CH 571727A5
Authority
CH
Switzerland
Application number
CH1351174A
Original Assignee
Zeiss Jena Veb Carl
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 Zeiss Jena Veb Carl filed Critical Zeiss Jena Veb Carl
Publication of CH571727A5 publication Critical patent/CH571727A5/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
    • G01C11/04—Interpretation of pictures
    • G01C11/06—Interpretation of pictures by comparison of two or more pictures of the same area
    • G01C11/12—Interpretation of pictures by comparison of two or more pictures of the same area the pictures being supported in the same relative position as when they were taken
    • G01C11/14—Interpretation of pictures by comparison of two or more pictures of the same area the pictures being supported in the same relative position as when they were taken with optical projection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Lenses (AREA)
  • Liquid Crystal (AREA)
CH1351174A 1974-03-05 1974-10-08 CH571727A5 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD176944A DD110366A1 (fi) 1974-03-05 1974-03-05

Publications (1)

Publication Number Publication Date
CH571727A5 true CH571727A5 (fi) 1976-01-15

Family

ID=5494834

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1351174A CH571727A5 (fi) 1974-03-05 1974-10-08

Country Status (5)

Country Link
US (1) US4012136A (fi)
CH (1) CH571727A5 (fi)
DD (1) DD110366A1 (fi)
DE (1) DE2447595A1 (fi)
SU (1) SU667933A1 (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4514063A (en) * 1983-04-28 1985-04-30 Wang Laboratories, Inc. Scanner document positioning device
JPH0623817B2 (ja) * 1985-07-18 1994-03-30 旭光学工業株式会社 液晶投写型画像表示装置
US4770525A (en) * 1986-03-24 1988-09-13 Casio Computer Co., Ltd. Liquid crystal projector
JP3936412B2 (ja) * 1996-07-15 2007-06-27 大日本印刷株式会社 フレネルレンズシート及び透過型スクリーン

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804802A (en) * 1952-11-07 1957-09-03 W & L E Gurley Erecting eyepiece affording variable magnification
US3334958A (en) * 1963-08-07 1967-08-08 Minnesota Mining & Mfg Nested fresnel-type lenses
US3340765A (en) * 1964-07-27 1967-09-12 Bell Telephone Labor Inc Projection system
US3366006A (en) * 1965-07-12 1968-01-30 Sales Imagineering Ltd Slide projector for producing animated images
US3511563A (en) * 1967-11-14 1970-05-12 Minnesota Mining & Mfg Projector

Also Published As

Publication number Publication date
SU667933A1 (ru) 1979-06-15
DE2447595A1 (de) 1975-09-11
DD110366A1 (fi) 1974-12-12
US4012136A (en) 1977-03-15

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Legal Events

Date Code Title Description
PL Patent ceased