DE1278233B - Kombination eines ellipsenfoermigen Kondensorspiegels und einer Halogengluehlampe fuer Projektionszwecke - Google Patents

Kombination eines ellipsenfoermigen Kondensorspiegels und einer Halogengluehlampe fuer Projektionszwecke

Info

Publication number
DE1278233B
DE1278233B DEN30084A DEN0030084A DE1278233B DE 1278233 B DE1278233 B DE 1278233B DE N30084 A DEN30084 A DE N30084A DE N0030084 A DEN0030084 A DE N0030084A DE 1278233 B DE1278233 B DE 1278233B
Authority
DE
Germany
Prior art keywords
combination
mirror
condenser mirror
incandescent body
halogen 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.)
Pending
Application number
DEN30084A
Other languages
German (de)
English (en)
Inventor
Thomas Antonius Corneli Jacobs
Cornelis Prijn
Jan De Ridder
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 DE1278233B publication Critical patent/DE1278233B/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Projection Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)
DEN30084A 1967-02-01 1967-03-01 Kombination eines ellipsenfoermigen Kondensorspiegels und einer Halogengluehlampe fuer Projektionszwecke Pending DE1278233B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6701519.A NL156827B (nl) 1967-02-01 1967-02-01 Projectie-eenheid, bestaande uit een condensorspiegel en een halogeengloeilamp.

Publications (1)

Publication Number Publication Date
DE1278233B true DE1278233B (de) 1968-09-19

Family

ID=19799186

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN30084A Pending DE1278233B (de) 1967-02-01 1967-03-01 Kombination eines ellipsenfoermigen Kondensorspiegels und einer Halogengluehlampe fuer Projektionszwecke

Country Status (7)

Country Link
US (1) US3488543A (https=)
AT (1) AT272840B (https=)
CH (1) CH471398A (https=)
DE (1) DE1278233B (https=)
FR (1) FR1557948A (https=)
GB (1) GB1143914A (https=)
NL (1) NL156827B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0603583A1 (en) * 1992-11-25 1994-06-29 Canon Kabushiki Kaisha Image projection apparatus

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700881A (en) * 1971-04-29 1972-10-24 Gen Electric Lamp and reflector assembly
DE2249630C2 (de) * 1972-07-05 1984-04-12 Robert Bosch Gmbh, 7000 Stuttgart Druckdichter Scheinwerfer für Kraftfahrzeuge
US3936686A (en) * 1973-05-07 1976-02-03 Moore Donald W Reflector lamp cooling and containing assemblies
DE2323520A1 (de) * 1973-05-10 1974-11-28 Bosch Gmbh Robert Gasdichter scheinwerfer fuer kraftfahrzeuge
NL7507227A (nl) * 1975-06-18 1976-12-21 Philips Nv Gloeilamp-reflektoreenheid.
US4156271A (en) * 1976-05-05 1979-05-22 General Electric Company Reflector lamp
NL179433C (nl) * 1976-06-21 1986-09-01 Philips Nv Elektrische lamp.
HU183426B (en) * 1981-05-08 1984-05-28 Egyesuelt Izzolampa Projecting lamp consisting of incandescent lamp and condensor mirror mounted rigidly to the lamp
US4499526A (en) * 1983-08-25 1985-02-12 General Electric Company Lamp unit having glass reflector member with recessed base end
EP0420214A3 (en) * 1989-09-27 1991-08-28 Toshiba Lighting & Technology Corporation Lamp device and method of bonding mirror reflector to lamp
EP0470496A3 (en) * 1990-08-07 1992-08-26 Toshiba Lighting & Technology Corporation Incandescent lamp and reflector type projection lamp
RU2312288C2 (ru) * 2006-01-17 2007-12-10 Валентин Михайлович Николаев Шахтная печь

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH238312A (de) * 1943-02-08 1945-07-15 Texis Societe Anonyme Textile Verfahren zur Herstellung künstlicher Gebilde aus Zellulose- oder Zellulosederivat-Xanthogenaten.
AT393910B (de) * 1984-05-12 1992-01-10 Holtec Goelz Saenger & Massier Vorrichtung zur vermessung von rundholz

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2233486A (en) * 1939-12-13 1941-03-04 Michael P Portnow Headlight
US3390262A (en) * 1965-05-24 1968-06-25 Sylvania Electric Prod Multizone high power light reflector
US3365604A (en) * 1965-12-01 1968-01-23 Sylvania Electric Prod Projection reflector lamp
US3381575A (en) * 1965-12-03 1968-05-07 Sylvania Electric Prod Electric projection lamp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH238312A (de) * 1943-02-08 1945-07-15 Texis Societe Anonyme Textile Verfahren zur Herstellung künstlicher Gebilde aus Zellulose- oder Zellulosederivat-Xanthogenaten.
AT393910B (de) * 1984-05-12 1992-01-10 Holtec Goelz Saenger & Massier Vorrichtung zur vermessung von rundholz

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0603583A1 (en) * 1992-11-25 1994-06-29 Canon Kabushiki Kaisha Image projection apparatus
US5438379A (en) * 1992-11-25 1995-08-01 Canon Kabushiki Kaisha Image projection apparatus

Also Published As

Publication number Publication date
AT272840B (de) 1969-07-25
FR1557948A (https=) 1969-02-21
NL6701519A (https=) 1968-08-02
US3488543A (en) 1970-01-06
NL156827B (nl) 1978-05-16
CH471398A (de) 1969-04-15
GB1143914A (en) 1969-02-26

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977