FR2224770B1 - - Google Patents

Info

Publication number
FR2224770B1
FR2224770B1 FR7311872A FR7311872A FR2224770B1 FR 2224770 B1 FR2224770 B1 FR 2224770B1 FR 7311872 A FR7311872 A FR 7311872A FR 7311872 A FR7311872 A FR 7311872A FR 2224770 B1 FR2224770 B1 FR 2224770B1
Authority
FR
France
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
FR7311872A
Other versions
FR2224770A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7311872A priority Critical patent/FR2224770B1/fr
Priority to US05/454,283 priority patent/US3995153A/en
Priority to DE2414783A priority patent/DE2414783A1/de
Priority to IL44512A priority patent/IL44512A/en
Priority to AT252774A priority patent/AT342891B/de
Priority to DD177600A priority patent/DD111474A5/xx
Priority to CH449874A priority patent/CH582890A5/xx
Priority to AU67376/74A priority patent/AU6737674A/en
Priority to CA196,647A priority patent/CA999278A/en
Priority to ES424878A priority patent/ES424878A1/es
Priority to BR2614/74A priority patent/BR7402614D0/pt
Priority to IT68050/74A priority patent/IT1011678B/it
Priority to NL7404485A priority patent/NL7404485A/xx
Priority to BE2053521A priority patent/BE813164A/fr
Priority to GB1486174A priority patent/GB1466731A/en
Priority to JP49037766A priority patent/JPS5042860A/ja
Publication of FR2224770A1 publication Critical patent/FR2224770A1/fr
Application granted granted Critical
Publication of FR2224770B1 publication Critical patent/FR2224770B1/fr
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)
FR7311872A 1973-03-04 1973-04-03 Expired FR2224770B1 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
FR7311872A FR2224770B1 (fr) 1973-04-03 1973-04-03
US05/454,283 US3995153A (en) 1973-03-04 1974-03-25 Optical projectors
DE2414783A DE2414783A1 (de) 1973-04-03 1974-03-27 Projektionseinrichtung
IL44512A IL44512A (en) 1973-04-03 1974-03-27 Optical projector
AT252774A AT342891B (de) 1973-04-03 1974-03-27 Projektionseinrichtung
CH449874A CH582890A5 (fr) 1973-04-03 1974-04-01
AU67376/74A AU6737674A (en) 1973-04-03 1974-04-01 Projectors
DD177600A DD111474A5 (fr) 1973-04-03 1974-04-01
CA196,647A CA999278A (en) 1973-04-03 1974-04-02 Optical projector utilizing a conold or pyramidoid mirror
ES424878A ES424878A1 (es) 1973-04-03 1974-04-02 Dispositivo optico proyector.
BR2614/74A BR7402614D0 (pt) 1973-04-03 1974-04-02 Projetor optico
IT68050/74A IT1011678B (it) 1973-04-03 1974-04-02 Proiettore di luce a specchio conoide o piramidoide
NL7404485A NL7404485A (fr) 1973-04-03 1974-04-02
BE2053521A BE813164A (fr) 1973-04-03 1974-04-02 Dispositif optique projecteur optimise a miroir conoide ou pyramidoide
GB1486174A GB1466731A (en) 1973-04-03 1974-04-03 Optical projectors
JP49037766A JPS5042860A (fr) 1973-04-03 1974-04-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7311872A FR2224770B1 (fr) 1973-04-03 1973-04-03

Publications (2)

Publication Number Publication Date
FR2224770A1 FR2224770A1 (fr) 1974-10-31
FR2224770B1 true FR2224770B1 (fr) 1976-04-23

Family

ID=9117290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7311872A Expired FR2224770B1 (fr) 1973-03-04 1973-04-03

Country Status (1)

Country Link
FR (1) FR2224770B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
FR2224770A1 (fr) 1974-10-31

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Legal Events

Date Code Title Description
CL Concession to grant licenses
TP Transmission of property
TP Transmission of property
ST Notification of lapse