FR2670914B1 - Appareil de retroprojection de documents. - Google Patents

Appareil de retroprojection de documents.

Info

Publication number
FR2670914B1
FR2670914B1 FR9016170A FR9016170A FR2670914B1 FR 2670914 B1 FR2670914 B1 FR 2670914B1 FR 9016170 A FR9016170 A FR 9016170A FR 9016170 A FR9016170 A FR 9016170A FR 2670914 B1 FR2670914 B1 FR 2670914B1
Authority
FR
France
Prior art keywords
documents
projecting
projecting documents
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
FR9016170A
Other languages
English (en)
Other versions
FR2670914A1 (fr
Inventor
Gadoni Michel Charles
Grasset Gilles Robert Claude
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.)
Airbus Group SAS
Original Assignee
Airbus Group 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 Airbus Group SAS filed Critical Airbus Group SAS
Priority to FR9016170A priority Critical patent/FR2670914B1/fr
Priority to PCT/FR1991/001036 priority patent/WO1992011566A1/fr
Publication of FR2670914A1 publication Critical patent/FR2670914A1/fr
Application granted granted Critical
Publication of FR2670914B1 publication Critical patent/FR2670914B1/fr
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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Overhead Projectors And Projection Screens (AREA)
FR9016170A 1990-12-21 1990-12-21 Appareil de retroprojection de documents. Expired - Fee Related FR2670914B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9016170A FR2670914B1 (fr) 1990-12-21 1990-12-21 Appareil de retroprojection de documents.
PCT/FR1991/001036 WO1992011566A1 (fr) 1990-12-21 1991-12-19 Appareil de retroprojection de documents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9016170A FR2670914B1 (fr) 1990-12-21 1990-12-21 Appareil de retroprojection de documents.

Publications (2)

Publication Number Publication Date
FR2670914A1 FR2670914A1 (fr) 1992-06-26
FR2670914B1 true FR2670914B1 (fr) 1993-07-16

Family

ID=9403588

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9016170A Expired - Fee Related FR2670914B1 (fr) 1990-12-21 1990-12-21 Appareil de retroprojection de documents.

Country Status (2)

Country Link
FR (1) FR2670914B1 (fr)
WO (1) WO1992011566A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567318A (en) * 1968-06-17 1971-03-02 Gaf Corp Lamp actuating means for an overhead projector
US4835403A (en) * 1986-12-30 1989-05-30 Bell & Howell Company Clocked optical sensing apparatus
DE3716694A1 (de) * 1987-05-19 1988-12-01 Theimer Gmbh Siegfried Verfahren zum betreiben eines belichtungsgeraets in der reprografischen technik und belichtungsgeraet zur durchfuehrung dieses verfahrens
DE3904951A1 (de) * 1989-02-16 1990-08-23 Hunke & Jochheim Maske fuer einen overheadprojektor

Also Published As

Publication number Publication date
FR2670914A1 (fr) 1992-06-26
WO1992011566A1 (fr) 1992-07-09

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse