FR2657176B1 - Dispositif de rotation d'une image projetee sur un ecran. - Google Patents

Dispositif de rotation d'une image projetee sur un ecran.

Info

Publication number
FR2657176B1
FR2657176B1 FR909015776A FR9015776A FR2657176B1 FR 2657176 B1 FR2657176 B1 FR 2657176B1 FR 909015776 A FR909015776 A FR 909015776A FR 9015776 A FR9015776 A FR 9015776A FR 2657176 B1 FR2657176 B1 FR 2657176B1
Authority
FR
France
Prior art keywords
screen
rotating
image projected
projected
image
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
FR909015776A
Other languages
English (en)
French (fr)
Other versions
FR2657176A1 (fr
Inventor
Jetter Rainer
Schafferus Eckhard
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of FR2657176A1 publication Critical patent/FR2657176A1/fr
Application granted granted Critical
Publication of FR2657176B1 publication Critical patent/FR2657176B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
FR909015776A 1989-12-21 1990-12-17 Dispositif de rotation d'une image projetee sur un ecran. Expired - Fee Related FR2657176B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3942415A DE3942415C1 (https=) 1989-12-21 1989-12-21

Publications (2)

Publication Number Publication Date
FR2657176A1 FR2657176A1 (fr) 1991-07-19
FR2657176B1 true FR2657176B1 (fr) 1993-08-13

Family

ID=6396096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909015776A Expired - Fee Related FR2657176B1 (fr) 1989-12-21 1990-12-17 Dispositif de rotation d'une image projetee sur un ecran.

Country Status (3)

Country Link
US (1) US5107373A (https=)
DE (1) DE3942415C1 (https=)
FR (1) FR2657176B1 (https=)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3536381A (en) * 1969-04-02 1970-10-27 Eastman Kodak Co Optical projection system
JPS58100116A (ja) * 1981-12-09 1983-06-14 Canon Inc 像回転光学系
US4514050A (en) * 1982-07-22 1985-04-30 Bell & Howell Company Dove prism for convergent light paths

Also Published As

Publication number Publication date
FR2657176A1 (fr) 1991-07-19
US5107373A (en) 1992-04-21
DE3942415C1 (https=) 1991-04-11

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Legal Events

Date Code Title Description
ST Notification of lapse