FR2648577A1 - Retroprojecteur - Google Patents

Retroprojecteur Download PDF

Info

Publication number
FR2648577A1
FR2648577A1 FR9005486A FR9005486A FR2648577A1 FR 2648577 A1 FR2648577 A1 FR 2648577A1 FR 9005486 A FR9005486 A FR 9005486A FR 9005486 A FR9005486 A FR 9005486A FR 2648577 A1 FR2648577 A1 FR 2648577A1
Authority
FR
France
Prior art keywords
projection
projected
plate
angle
screen
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.)
Pending
Application number
FR9005486A
Other languages
English (en)
French (fr)
Inventor
Ritsuo Koga
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.)
Plus Corp
Original Assignee
Plus 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 Plus Corp filed Critical Plus Corp
Publication of FR2648577A1 publication Critical patent/FR2648577A1/fr
Pending 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
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
FR9005486A 1989-06-15 1990-04-30 Retroprojecteur Pending FR2648577A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7013889U JPH0311237U (enrdf_load_stackoverflow) 1989-06-15 1989-06-15

Publications (1)

Publication Number Publication Date
FR2648577A1 true FR2648577A1 (fr) 1990-12-21

Family

ID=13422911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9005486A Pending FR2648577A1 (fr) 1989-06-15 1990-04-30 Retroprojecteur

Country Status (5)

Country Link
JP (1) JPH0311237U (enrdf_load_stackoverflow)
CA (1) CA2014370C (enrdf_load_stackoverflow)
DE (1) DE4013426A1 (enrdf_load_stackoverflow)
FR (1) FR2648577A1 (enrdf_load_stackoverflow)
GB (1) GB2232780B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2552012C1 (ru) * 2014-01-10 2015-06-10 Николай Борисович Болотин Водородный газотурбинный двигатель

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD343849S (en) 1992-06-25 1994-02-01 Casio Computer Co., Ltd. Video projector
SG114471A1 (en) * 2000-09-08 2005-09-28 Vista Technology Co Ltd Projector with image source from objects
JP2002214708A (ja) * 2001-01-12 2002-07-31 Sony Corp プロジェクター
DE102010022735B4 (de) 2010-06-04 2022-07-07 Volkswagen Ag Verfahren zur Projektion einer Grafik auf eine Projektionsoberfläche, inbesondere auf eine Oberfläche eines Kraftfahrzeuges und Verfahren zur Herstellung eines Kraftfahrzeuges

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2212502A1 (de) * 1971-10-14 1973-09-27 Gakken Co Ltd Anordnung zur hochprojektion und hochprojektor
DE3136970A1 (de) * 1981-09-17 1983-03-31 Fa. Ed. Liesegang, 4000 Düsseldorf "projektor"
JPS59165042A (ja) * 1983-03-11 1984-09-18 Fuji Xerox Co Ltd 事務用投影機
DE3316246A1 (de) * 1983-05-04 1984-11-22 Hartmut Dr. 2352 Bordesholm Wiedling Schaerfekorrekturvorrichtung zur schraegprojektion bei schreibprojektoren

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB542211A (en) * 1938-03-15 1941-12-31 Anciens Ets Barbier Improvements in or relating to optical projection apparatus
DE1797080A1 (de) * 1968-08-13 1972-01-20 Enna Werk Optik Apelt Episkop

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2212502A1 (de) * 1971-10-14 1973-09-27 Gakken Co Ltd Anordnung zur hochprojektion und hochprojektor
DE3136970A1 (de) * 1981-09-17 1983-03-31 Fa. Ed. Liesegang, 4000 Düsseldorf "projektor"
JPS59165042A (ja) * 1983-03-11 1984-09-18 Fuji Xerox Co Ltd 事務用投影機
DE3316246A1 (de) * 1983-05-04 1984-11-22 Hartmut Dr. 2352 Bordesholm Wiedling Schaerfekorrekturvorrichtung zur schraegprojektion bei schreibprojektoren

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 20 (P-330)[1743], 26 janvier 1985; & JP-A-59 165 042 (FUJI XEROX) 18-09-1984 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2552012C1 (ru) * 2014-01-10 2015-06-10 Николай Борисович Болотин Водородный газотурбинный двигатель

Also Published As

Publication number Publication date
HK1000427A1 (en) 1998-03-20
DE4013426C2 (enrdf_load_stackoverflow) 1993-07-08
DE4013426A1 (de) 1990-12-20
GB2232780B (en) 1993-08-04
CA2014370A1 (en) 1990-12-15
JPH0311237U (enrdf_load_stackoverflow) 1991-02-04
GB2232780A (en) 1990-12-19
CA2014370C (en) 1993-11-02
GB9008087D0 (en) 1990-06-06

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