CA999278A - Optical projector utilizing a conold or pyramidoid mirror - Google Patents

Optical projector utilizing a conold or pyramidoid mirror

Info

Publication number
CA999278A
CA999278A CA196,647A CA196647A CA999278A CA 999278 A CA999278 A CA 999278A CA 196647 A CA196647 A CA 196647A CA 999278 A CA999278 A CA 999278A
Authority
CA
Canada
Prior art keywords
conold
pyramidoid
mirror
optical projector
projector utilizing
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
Application number
CA196,647A
Other languages
English (en)
Other versions
CA196647S (en
Inventor
Pierre Malifaud
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.)
RECHERCHE ET DE PROMOTION D'ACTIVITES NOUVELLES "ACNO" Ste
Original Assignee
RECHERCHE ET DE PROMOTION D'ACTIVITES NOUVELLES "ACNO" Ste
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 FR7311871A external-priority patent/FR2224769B1/fr
Priority claimed from FR7311872A external-priority patent/FR2224770B1/fr
Application filed by RECHERCHE ET DE PROMOTION D'ACTIVITES NOUVELLES "ACNO" Ste filed Critical RECHERCHE ET DE PROMOTION D'ACTIVITES NOUVELLES "ACNO" Ste
Application granted granted Critical
Publication of CA999278A publication Critical patent/CA999278A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CA196,647A 1973-04-03 1974-04-02 Optical projector utilizing a conold or pyramidoid mirror Expired CA999278A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CA999278A true CA999278A (en) 1976-11-02

Family

ID=26217658

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196,647A Expired CA999278A (en) 1973-04-03 1974-04-02 Optical projector utilizing a conold or pyramidoid mirror

Country Status (15)

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

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 (ja) * 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
USB454283I5 (ja) 1976-02-03
GB1466731A (en) 1977-03-09
NL7404485A (ja) 1974-10-07
DE2414783A1 (de) 1974-10-17
IL44512A (en) 1976-07-30
DD111474A5 (ja) 1975-02-12
US3995153A (en) 1976-11-30
ATA252774A (de) 1977-08-15
BE813164A (fr) 1974-07-31
CH582890A5 (ja) 1976-12-15
IL44512A0 (en) 1974-06-30
AT342891B (de) 1978-04-25
BR7402614D0 (pt) 1974-11-05
IT1011678B (it) 1977-02-10
ES424878A1 (es) 1976-11-01
JPS5042860A (ja) 1975-04-18
AU6737674A (en) 1975-10-02

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