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FR1531177A - Improvements to operating projectors with lighting distribution disc - Google Patents

Improvements to operating projectors with lighting distribution disc

Info

Publication number
FR1531177A
FR1531177AFR48867AFR69048867AFR1531177AFR 1531177 AFR1531177 AFR 1531177AFR 48867 AFR48867 AFR 48867AFR 69048867 AFR69048867 AFR 69048867AFR 1531177 AFR1531177 AFR 1531177A
Authority
FR
France
Prior art keywords
infra
operating
red
reflector
projectors
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
FR48867A
Other languages
French (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.)
Original Hanau Quarzlampen GmbH
Original Assignee
Original Hanau Quarzlampen GmbH
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 Original Hanau Quarzlampen GmbHfiledCriticalOriginal Hanau Quarzlampen GmbH
Application grantedgrantedCritical
Publication of FR1531177ApublicationCriticalpatent/FR1531177A/en
Expiredlegal-statusCriticalCurrent

Links

Classifications

Landscapes

Abstract

1,125,056. Operating lamps. ORIGINAL HANAU QUARZLAMPEN G.m.b.H. 22 June, 1967 [30 July, 1966], No. 28842/67. Heading F4R. An operating lamp has one or more reflectors and at least one diffuser having on its inner face a light-scattering surface formed as an infra-red reflector. In the form shown, the lower part of the bulb 10 is provided with a mirror surface which may be an infra-red reflector. The lamp has a reflector 12 which may transmit infra-red light. The diffuser 20 has a light scattering surface 24 on which is formed an infra-red reflector 16 so that the infra-red light is reflected as divergent rays 16b.
FR48867A1966-07-301967-07-04 Improvements to operating projectors with lighting distribution discExpiredFR1531177A (en)

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
DEQ00009061966-07-30

Publications (1)

Publication NumberPublication Date
FR1531177Atrue FR1531177A (en)1968-06-28

Family

ID=7394578

Family Applications (1)

Application NumberTitlePriority DateFiling Date
FR48867AExpiredFR1531177A (en)1966-07-301967-07-04 Improvements to operating projectors with lighting distribution disc

Country Status (5)

CountryLink
US (1)US3463914A (en)
DE (1)DE1497325A1 (en)
FR (1)FR1531177A (en)
GB (1)GB1125056A (en)
SE (1)SE310157B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4292663A (en)*1978-01-161981-09-29Bausch & Lomb IncorporatedHigh intensity illumination light table
US4220982A (en)*1978-01-161980-09-02Bausch & Lomb IncorporatedHigh intensity illumination light table
US4385344A (en)*1980-08-291983-05-24Dentsply Research & Development Corp.Visible light apparatus for curing photo-curable compositions
US4380794A (en)*1981-06-151983-04-19Sybron CorporationSurgical lamp characterized by having an improved reflector
DE3814539A1 (en)*1988-04-291989-11-09Heraeus Gmbh W C LIGHTING ARRANGEMENT WITH HALOGEN BULB
JP2788533B2 (en)*1990-04-201998-08-20株式会社小糸製作所 Automotive headlamp
DE9017143U1 (en)*1990-12-191991-03-07Delma, Elektro- Und Medizinische Apparatebaugesellschaft Mbh, 7200 Tuttlingen Operating light
US5111367A (en)*1991-10-161992-05-05Churchill David LFiber optic lighting device
US5660462A (en)*1994-09-131997-08-26Osram Sylvania Inc.High efficiency vehicle headlights and reflector lamps
JP3891628B2 (en)*1997-02-042007-03-14オリンパス株式会社 Illumination optical system and endoscope system including the same
DE19810455C2 (en)1998-03-112000-02-24Michael Bisges Cold light UV irradiation device
WO2002059523A1 (en)*2001-01-262002-08-01Koninklijke Philips Electronics N.V.Luminaire
FI130299B (en)*2017-12-282023-06-09Ledfoil Finland Oy Display construction applicable for ice and outdoor use

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US2280402A (en)*1939-08-101942-04-21Wilmot Castle CoDental operating lamp
DE1201278B (en)*1962-05-041965-09-23Quarzlampen Gmbh Operating light

Also Published As

Publication numberPublication date
GB1125056A (en)1968-08-28
DE1497325A1 (en)1969-10-30
SE310157B (en)1969-04-21
US3463914A (en)1969-08-26

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