FR1557948A - - Google Patents

Info

Publication number
FR1557948A
FR1557948A FR1557948DA FR1557948A FR 1557948 A FR1557948 A FR 1557948A FR 1557948D A FR1557948D A FR 1557948DA FR 1557948 A FR1557948 A FR 1557948A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1557948A publication Critical patent/FR1557948A/fr
Expired 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)
FR1557948D 1967-02-01 1968-02-01 Expired FR1557948A (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
FR1557948A true FR1557948A (de) 1969-02-21

Family

ID=19799186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1557948D Expired FR1557948A (de) 1967-02-01 1968-02-01

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2134641A1 (de) * 1971-04-29 1972-12-08 Gen Electric

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH06160766A (ja) * 1992-11-25 1994-06-07 Canon Inc 投射型表示装置

Family Cites Families (6)

* 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
CH238312A (de) * 1943-02-08 1945-07-15 Texis Societe Anonyme Textile Verfahren zur Herstellung künstlicher Gebilde aus Zellulose- oder Zellulosederivat-Xanthogenaten.
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
DE3417717C2 (de) * 1984-05-12 1987-02-26 HOLTEC Gölz, Sänger & Massierer GmbH & Co KG, 5374 Hellenthal Vorrichtung zum Transport und zur Vermessung von Rundholz

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2134641A1 (de) * 1971-04-29 1972-12-08 Gen Electric

Also Published As

Publication number Publication date
CH471398A (de) 1969-04-15
NL156827B (nl) 1978-05-16
GB1143914A (en) 1969-02-26
AT272840B (de) 1969-07-25
NL6701519A (de) 1968-08-02
DE1278233B (de) 1968-09-19
US3488543A (en) 1970-01-06

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