NL156827B - Projectie-eenheid, bestaande uit een condensorspiegel en een halogeengloeilamp. - Google Patents

Projectie-eenheid, bestaande uit een condensorspiegel en een halogeengloeilamp.

Info

Publication number
NL156827B
NL156827B NL6701519.A NL6701519A NL156827B NL 156827 B NL156827 B NL 156827B NL 6701519 A NL6701519 A NL 6701519A NL 156827 B NL156827 B NL 156827B
Authority
NL
Netherlands
Prior art keywords
projection unit
halogen bulb
condenser mirror
condenser
mirror
Prior art date
Application number
NL6701519.A
Other languages
English (en)
Other versions
NL6701519A (nl
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL6701519.A priority Critical patent/NL156827B/nl
Priority to DEN30084A priority patent/DE1278233B/de
Priority to US700479A priority patent/US3488543A/en
Priority to AT84768A priority patent/AT272840B/de
Priority to GB4440/66A priority patent/GB1143914A/en
Priority to CH132468A priority patent/CH471398A/de
Priority to FR1557948D priority patent/FR1557948A/fr
Publication of NL6701519A publication Critical patent/NL6701519A/xx
Publication of NL156827B publication Critical patent/NL156827B/nl

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)
NL6701519.A 1967-02-01 1967-02-01 Projectie-eenheid, bestaande uit een condensorspiegel en een halogeengloeilamp. NL156827B (nl)

Priority Applications (7)

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.
DEN30084A DE1278233B (de) 1967-02-01 1967-03-01 Kombination eines ellipsenfoermigen Kondensorspiegels und einer Halogengluehlampe fuer Projektionszwecke
US700479A US3488543A (en) 1967-02-01 1968-01-25 Projection lamp with elliptical mirror and light source mounting structure
AT84768A AT272840B (de) 1967-02-01 1968-01-29 Kombination eines Kondensorspiegels und einer Lichtquelle für Projektionszwecke
GB4440/66A GB1143914A (en) 1967-02-01 1968-01-29 Combined condenser mirror and light source
CH132468A CH471398A (de) 1967-02-01 1968-01-29 Beleuchtungseinrichtung zur Beleuchtung des Filmfensters eines Filmprojektors
FR1557948D FR1557948A (nl) 1967-02-01 1968-02-01

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 (2)

Publication Number Publication Date
NL6701519A NL6701519A (nl) 1968-08-02
NL156827B true NL156827B (nl) 1978-05-16

Family

ID=19799186

Family Applications (1)

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

Country Status (7)

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

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
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
DE3417717A1 (de) * 1984-05-12 1985-11-21 HOLTEC Gölz, Sänger & Massierer GmbH & Co KG, 5374 Hellenthal Vorrichtung zur vermessung von rundholz

Also Published As

Publication number Publication date
GB1143914A (en) 1969-02-26
AT272840B (de) 1969-07-25
NL6701519A (nl) 1968-08-02
FR1557948A (nl) 1969-02-21
US3488543A (en) 1970-01-06
DE1278233B (de) 1968-09-19
CH471398A (de) 1969-04-15

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: PHILIPS

V4 Discontinued because of reaching the maximum lifetime of a patent