ES341298A1 - Un dispositivo combinado de una lampara de proyeccion y un espejo condensador eliptico. - Google Patents

Un dispositivo combinado de una lampara de proyeccion y un espejo condensador eliptico.

Info

Publication number
ES341298A1
ES341298A1 ES341298A ES341298A ES341298A1 ES 341298 A1 ES341298 A1 ES 341298A1 ES 341298 A ES341298 A ES 341298A ES 341298 A ES341298 A ES 341298A ES 341298 A1 ES341298 A1 ES 341298A1
Authority
ES
Spain
Prior art keywords
screen
bulb
mirror
wire screen
projection lamp
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
ES341298A
Other languages
English (en)
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES341298A1 publication Critical patent/ES341298A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/26—Screens; Filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K7/00—Lamps for purposes other than general lighting
    • H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
ES341298A 1966-06-04 1967-06-02 Un dispositivo combinado de una lampara de proyeccion y un espejo condensador eliptico. Expired ES341298A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6607798A NL6607798A (en, 2012) 1966-06-04 1966-06-04

Publications (1)

Publication Number Publication Date
ES341298A1 true ES341298A1 (es) 1968-10-16

Family

ID=19796796

Family Applications (1)

Application Number Title Priority Date Filing Date
ES341298A Expired ES341298A1 (es) 1966-06-04 1967-06-02 Un dispositivo combinado de una lampara de proyeccion y un espejo condensador eliptico.

Country Status (5)

Country Link
US (1) US3458746A (en, 2012)
DE (1) DE1572759A1 (en, 2012)
ES (1) ES341298A1 (en, 2012)
GB (1) GB1184704A (en, 2012)
NL (1) NL6607798A (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT355200B (de) * 1978-01-23 1980-02-25 Espe Pharm Praep Bestrahlungsgeraet zum aushaerten von durch strahlung haertbaren massen
US4297611A (en) * 1979-10-02 1981-10-27 Wagner Electric Corporation Control of tungsten filament erosion in a halogen lamp
EP1652214B1 (en) * 2003-07-28 2007-08-22 Koninklijke Philips Electronics N.V. Electric lamp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA650355A (en) * 1962-10-16 Honing Wilhelm Electric incandescent lamp
BE441281A (en, 2012) * 1940-01-19
NL80117C (en, 2012) * 1948-02-21
US3025424A (en) * 1958-06-16 1962-03-13 Gen Electric Electric lamp
US3174067A (en) * 1960-07-21 1965-03-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Construction for projection lamps eliminating undesired infrared radiation

Also Published As

Publication number Publication date
US3458746A (en) 1969-07-29
NL6607798A (en, 2012) 1967-12-05
GB1184704A (en) 1970-03-18
DE1572759A1 (de) 1970-02-12

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