ATA177895A - Optische fresnel-projektionswand - Google Patents

Optische fresnel-projektionswand

Info

Publication number
ATA177895A
ATA177895A AT177895A AT177895A ATA177895A AT A177895 A ATA177895 A AT A177895A AT 177895 A AT177895 A AT 177895A AT 177895 A AT177895 A AT 177895A AT A177895 A ATA177895 A AT A177895A
Authority
AT
Austria
Prior art keywords
projection screen
fresnel projection
optical fresnel
optical
screen
Prior art date
Application number
AT177895A
Other languages
English (en)
Other versions
AT407093B (de
Original Assignee
Szabo Ladislaus Dipl Ing
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 Szabo Ladislaus Dipl Ing filed Critical Szabo Ladislaus Dipl Ing
Priority to AT177895A priority Critical patent/AT407093B/de
Publication of ATA177895A publication Critical patent/ATA177895A/de
Application granted granted Critical
Publication of AT407093B publication Critical patent/AT407093B/de

Links

AT177895A 1995-10-27 1995-10-27 Optische fresnel-projektionswand AT407093B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT177895A AT407093B (de) 1995-10-27 1995-10-27 Optische fresnel-projektionswand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT177895A AT407093B (de) 1995-10-27 1995-10-27 Optische fresnel-projektionswand

Publications (2)

Publication Number Publication Date
ATA177895A true ATA177895A (de) 2000-04-15
AT407093B AT407093B (de) 2000-12-27

Family

ID=3520781

Family Applications (1)

Application Number Title Priority Date Filing Date
AT177895A AT407093B (de) 1995-10-27 1995-10-27 Optische fresnel-projektionswand

Country Status (1)

Country Link
AT (1) AT407093B (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868501A (en) * 1973-05-16 1975-02-25 Cryton Optics Inc Light boxes with fresnel lenses
US3861785A (en) * 1973-11-15 1975-01-21 Cryton Optics Inc Wide angle mirror assembly
US4117615A (en) * 1977-02-10 1978-10-03 Johnstons & Associates, Inc. Viewing panel for producing multiple images of a design
US4866530A (en) * 1988-02-22 1989-09-12 Kalua Kevin A Multiple screen, modular video display projection system
JP2959644B2 (ja) * 1991-03-27 1999-10-06 株式会社日立製作所 大画面投写形ディスプレイ

Also Published As

Publication number Publication date
AT407093B (de) 2000-12-27

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee