IT1011678B - Proiettore di luce a specchio conoide o piramidoide - Google Patents

Proiettore di luce a specchio conoide o piramidoide

Info

Publication number
IT1011678B
IT1011678B IT68050/74A IT6805074A IT1011678B IT 1011678 B IT1011678 B IT 1011678B IT 68050/74 A IT68050/74 A IT 68050/74A IT 6805074 A IT6805074 A IT 6805074A IT 1011678 B IT1011678 B IT 1011678B
Authority
IT
Italy
Prior art keywords
conoid
light projector
mirror light
pyramid mirror
pyramid
Prior art date
Application number
IT68050/74A
Other languages
English (en)
Inventor
P 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
Application granted granted Critical
Publication of IT1011678B publication Critical patent/IT1011678B/it

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)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
IT68050/74A 1973-04-03 1974-04-02 Proiettore di luce a specchio conoide o piramidoide IT1011678B (it)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
IT1011678B true IT1011678B (it) 1977-02-10

Family

ID=26217658

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68050/74A IT1011678B (it) 1973-04-03 1974-04-02 Proiettore di luce a specchio conoide o piramidoide

Country Status (15)

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

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

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