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USB454283I5 - - Google Patents

Info

Publication number
USB454283I5
USB454283I5 US45428374A USB454283I5 US B454283 I5 USB454283 I5 US B454283I5 US 45428374 A US45428374 A US 45428374A US B454283 I5 USB454283 I5 US B454283I5
Authority
US
United States
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.)
Pending
Application number
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 FR7311872A external-priority patent/FR2224770B1/fr
Priority claimed from FR7311871A external-priority patent/FR2224769B1/fr
Application filed filed Critical
Publication of USB454283I5 publication Critical patent/USB454283I5/en
Application granted granted Critical
Publication of US3995153A publication Critical patent/US3995153A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/08Mirrors
    • G02B5/10Mirrors with curved faces
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
US05/454,283 1973-03-04 1974-03-25 Optical projectors Expired - Lifetime US3995153A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR73.11871 1973-03-04
FR73.11872 1973-03-04
FR7311872A FR2224770B1 (en) 1973-04-03 1973-04-03
FR7311871A FR2224769B1 (en) 1973-04-03 1973-04-03

Publications (2)

Publication Number Publication Date
USB454283I5 true USB454283I5 (en) 1976-02-03
US3995153A US3995153A (en) 1976-11-30

Family

ID=26217658

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/454,283 Expired - Lifetime US3995153A (en) 1973-03-04 1974-03-25 Optical projectors

Country Status (15)

Country Link
US (1) US3995153A (en)
JP (1) JPS5042860A (en)
AT (1) AT342891B (en)
AU (1) AU6737674A (en)
BE (1) BE813164A (en)
BR (1) BR7402614D0 (en)
CA (1) CA999278A (en)
CH (1) CH582890A5 (en)
DD (1) DD111474A5 (en)
DE (1) DE2414783A1 (en)
ES (1) ES424878A1 (en)
GB (1) GB1466731A (en)
IL (1) IL44512A (en)
IT (1) IT1011678B (en)
NL (1) NL7404485A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264947A (en) * 1978-06-09 1981-04-28 Eastman Kodak Company Reflector arrangement for providing high intensity, uniform and specular illumination of a relatively large exposure area
FR2588669B1 (en) * 1985-03-19 1990-11-09 Malifaud Pierre RADIATION PROJECTOR PROVIDING A HIGH-PERFORMANCE, HIGH-HOMOGENEITY FLOW IN CONTROLLED OPENING ANGLES, PARTICULARLY FROM A POINT OR QUASI-POINT SOURCE
US20050221202A1 (en) * 2004-02-05 2005-10-06 Gofron Kazimierz J Wavelength filtering in nanolithography

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318184A (en) * 1964-11-02 1967-05-09 James G Jackson Light projection optical apparatus
FR1602203A (en) * 1968-07-19 1970-10-26
US3711701A (en) * 1970-12-04 1973-01-16 California Inst Of Techn Uniform variable light source

Also Published As

Publication number Publication date
IT1011678B (en) 1977-02-10
DE2414783A1 (en) 1974-10-17
US3995153A (en) 1976-11-30
BR7402614D0 (en) 1974-11-05
CH582890A5 (en) 1976-12-15
AU6737674A (en) 1975-10-02
IL44512A (en) 1976-07-30
CA999278A (en) 1976-11-02
ES424878A1 (en) 1976-11-01
AT342891B (en) 1978-04-25
IL44512A0 (en) 1974-06-30
JPS5042860A (en) 1975-04-18
NL7404485A (en) 1974-10-07
BE813164A (en) 1974-07-31
ATA252774A (en) 1977-08-15
GB1466731A (en) 1977-03-09
DD111474A5 (en) 1975-02-12

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