AT342891B - Projektionseinrichtung - Google Patents

Projektionseinrichtung

Info

Publication number
AT342891B
AT342891B AT252774A AT252774A AT342891B AT 342891 B AT342891 B AT 342891B AT 252774 A AT252774 A AT 252774A AT 252774 A AT252774 A AT 252774A AT 342891 B AT342891 B AT 342891B
Authority
AT
Austria
Prior art keywords
projection device
projection
Prior art date
Application number
AT252774A
Other languages
English (en)
Other versions
ATA252774A (de
Inventor
Pierre Ing Malifaud
Original Assignee
Acno
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
Priority claimed from FR7311872A external-priority patent/FR2224770B1/fr
Priority claimed from FR7311871A external-priority patent/FR2224769B1/fr
Application filed by Acno filed Critical Acno
Publication of ATA252774A publication Critical patent/ATA252774A/de
Application granted granted Critical
Publication of AT342891B publication Critical patent/AT342891B/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/10—Mirrors with curved faces
    • 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
    • G03B21/20—Lamp housings
AT252774A 1973-04-03 1974-03-27 Projektionseinrichtung AT342891B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7311872A FR2224770B1 (de) 1973-04-03 1973-04-03
FR7311871A FR2224769B1 (de) 1973-04-03 1973-04-03

Publications (2)

Publication Number Publication Date
ATA252774A ATA252774A (de) 1977-08-15
AT342891B true AT342891B (de) 1978-04-25

Family

ID=26217658

Family Applications (1)

Application Number Title Priority Date Filing Date
AT252774A AT342891B (de) 1973-04-03 1974-03-27 Projektionseinrichtung

Country Status (15)

Country Link
US (1) US3995153A (de)
JP (1) JPS5042860A (de)
AT (1) AT342891B (de)
AU (1) AU6737674A (de)
BE (1) BE813164A (de)
BR (1) BR7402614D0 (de)
CA (1) CA999278A (de)
CH (1) CH582890A5 (de)
DD (1) DD111474A5 (de)
DE (1) DE2414783A1 (de)
ES (1) ES424878A1 (de)
GB (1) GB1466731A (de)
IL (1) IL44512A (de)
IT (1) IT1011678B (de)
NL (1) NL7404485A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264947A (en) * 1978-06-09 1981-04-28 Eastman Kodak Company Reflector arrangement for providing high intensity, uniform and specular illumination of a relatively large exposure area
FR2588669B1 (fr) * 1985-03-19 1990-11-09 Malifaud Pierre Projecteur de rayonnement produisant un flux a haut rendement utile et a haute homogeneite dans des angles d'ouvertures controles, notamment a partir d'une source ponctuelle ou quasi-ponctuelle
US20050221202A1 (en) * 2004-02-05 2005-10-06 Gofron Kazimierz J Wavelength filtering in nanolithography

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318184A (en) * 1964-11-02 1967-05-09 James G Jackson Light projection optical apparatus
FR1602203A (de) * 1968-07-19 1970-10-26
US3711701A (en) * 1970-12-04 1973-01-16 California Inst Of Techn Uniform variable light source

Also Published As

Publication number Publication date
CA999278A (en) 1976-11-02
NL7404485A (de) 1974-10-07
IL44512A0 (en) 1974-06-30
CH582890A5 (de) 1976-12-15
DD111474A5 (de) 1975-02-12
BR7402614D0 (pt) 1974-11-05
BE813164A (fr) 1974-07-31
JPS5042860A (de) 1975-04-18
IL44512A (en) 1976-07-30
DE2414783A1 (de) 1974-10-17
GB1466731A (en) 1977-03-09
ATA252774A (de) 1977-08-15
ES424878A1 (es) 1976-11-01
AU6737674A (en) 1975-10-02
IT1011678B (it) 1977-02-10
USB454283I5 (de) 1976-02-03
US3995153A (en) 1976-11-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee