FR2678746B1 - IMAGE PROJECTION SYSTEM WITH ADJUSTABLE DIRECTIVITY. - Google Patents

IMAGE PROJECTION SYSTEM WITH ADJUSTABLE DIRECTIVITY.

Info

Publication number
FR2678746B1
FR2678746B1 FR9108480A FR9108480A FR2678746B1 FR 2678746 B1 FR2678746 B1 FR 2678746B1 FR 9108480 A FR9108480 A FR 9108480A FR 9108480 A FR9108480 A FR 9108480A FR 2678746 B1 FR2678746 B1 FR 2678746B1
Authority
FR
France
Prior art keywords
projection system
image projection
adjustable directivity
directivity
adjustable
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 - Fee Related
Application number
FR9108480A
Other languages
French (fr)
Other versions
FR2678746A1 (en
Inventor
Bruno Barbier
Patrick Lach
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.)
Thales Avionics SAS
Original Assignee
Thales Avionics SAS
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 Thales Avionics SAS filed Critical Thales Avionics SAS
Priority to FR9108480A priority Critical patent/FR2678746B1/en
Publication of FR2678746A1 publication Critical patent/FR2678746A1/en
Application granted granted Critical
Publication of FR2678746B1 publication Critical patent/FR2678746B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G03B21/28—Reflectors in projection beam
    • 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
    • G03B21/10—Projectors with built-in or built-on screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
FR9108480A 1991-07-05 1991-07-05 IMAGE PROJECTION SYSTEM WITH ADJUSTABLE DIRECTIVITY. Expired - Fee Related FR2678746B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9108480A FR2678746B1 (en) 1991-07-05 1991-07-05 IMAGE PROJECTION SYSTEM WITH ADJUSTABLE DIRECTIVITY.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9108480A FR2678746B1 (en) 1991-07-05 1991-07-05 IMAGE PROJECTION SYSTEM WITH ADJUSTABLE DIRECTIVITY.

Publications (2)

Publication Number Publication Date
FR2678746A1 FR2678746A1 (en) 1993-01-08
FR2678746B1 true FR2678746B1 (en) 1993-11-05

Family

ID=9414779

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9108480A Expired - Fee Related FR2678746B1 (en) 1991-07-05 1991-07-05 IMAGE PROJECTION SYSTEM WITH ADJUSTABLE DIRECTIVITY.

Country Status (1)

Country Link
FR (1) FR2678746B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3458733B2 (en) * 1998-11-24 2003-10-20 ウシオ電機株式会社 Oblique light irradiation device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542556A (en) * 1967-06-27 1970-11-24 Chrom Tronics Inc Photosensitive lenticulated film with separable multi-element lens overlay
US3723805A (en) * 1971-05-12 1973-03-27 Us Navy Distortion correction system
US4090775A (en) * 1974-06-26 1978-05-23 Daniel Richard Lobb Moveable optical probe for viewing a scale model with image tilting
US4436392A (en) * 1983-01-03 1984-03-13 Minnesota Mining And Manufacturing Company Distortion correction for an overhead projector system
US4953971A (en) * 1988-10-17 1990-09-04 Highfill Robert R Interactive image projection apparatus
DE69016237T2 (en) * 1989-03-24 1995-05-24 Jp Geographical Survey Inst Mi Stereoscopic device.

Also Published As

Publication number Publication date
FR2678746A1 (en) 1993-01-08

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Legal Events

Date Code Title Description
ST Notification of lapse