BE558655A - - Google Patents

Info

Publication number
BE558655A
BE558655A BE558655DA BE558655A BE 558655 A BE558655 A BE 558655A BE 558655D A BE558655D A BE 558655DA BE 558655 A BE558655 A BE 558655A
Authority
BE
Belgium
Application number
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.)
Publication of BE558655A publication Critical patent/BE558655A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J61/523—Heating or cooling particular parts of the lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
BE558655D 1956-06-27 BE558655A (pm)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US594307A US2966602A (en) 1956-06-27 1956-06-27 High output fluorescent lamp

Publications (1)

Publication Number Publication Date
BE558655A true BE558655A (pm)

Family

ID=24378363

Family Applications (1)

Application Number Title Priority Date Filing Date
BE558655D BE558655A (pm) 1956-06-27

Country Status (5)

Country Link
US (1) US2966602A (pm)
BE (1) BE558655A (pm)
DE (1) DE1104605B (pm)
FR (1) FR1175545A (pm)
GB (1) GB811281A (pm)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1114250B (de) * 1959-01-15 1961-09-28 Licentia Gmbh Anordnung zum Kuehlhalten des Zapfens bei Hochleistungs-Leuchtstofflampen
US3309565A (en) * 1959-12-14 1967-03-14 Mc Graw Edison Co Light output of fluorescent lamps automatically held constant by means of peltier type coolers
US3087083A (en) * 1961-01-30 1963-04-23 Astro Dynamics Inc Vapor lamp and radiator
NL280093A (pm) * 1961-06-23
US3376457A (en) * 1964-12-07 1968-04-02 Westinghouse Electric Corp Electric discharge lamp with space charge relieving means
US3355613A (en) * 1965-08-04 1967-11-28 Sylvania Electric Prod High energy tubular incandescent lamp having heat dissipative sleeves
US3771007A (en) * 1970-10-15 1973-11-06 Gen Electric High intensity lamp apparatus and method of operation thereof
NL7811351A (nl) * 1978-11-17 1980-05-20 Philips Nv Lagedrukkwikdampontladingslamp.
DE3002930A1 (de) * 1980-01-28 1981-07-30 Siemens AG, 1000 Berlin und 8000 München Gasentladungsanzeigevorrichtung
US5174646A (en) * 1990-12-06 1992-12-29 The Regents Of The University Of California Heat transfer assembly for a fluorescent lamp and fixture
KR970006293B1 (ko) * 1992-10-06 1997-04-25 캐논 가부시끼가이샤 원고 조명 장치
US5686799A (en) * 1994-03-25 1997-11-11 Pacific Scientific Company Ballast circuit for compact fluorescent lamp
US5537301A (en) * 1994-09-01 1996-07-16 Pacific Scientific Company Fluorescent lamp heat-dissipating apparatus
US5821699A (en) * 1994-09-30 1998-10-13 Pacific Scientific Ballast circuit for fluorescent lamps
US6037722A (en) * 1994-09-30 2000-03-14 Pacific Scientific Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp
US5691606A (en) * 1994-09-30 1997-11-25 Pacific Scientific Company Ballast circuit for fluorescent lamp
US5720548A (en) * 1995-11-14 1998-02-24 Progressive Technology In Lighting, Inc. High luminance fluorescent lamp assembly
US5925986A (en) * 1996-05-09 1999-07-20 Pacific Scientific Company Method and apparatus for controlling power delivered to a fluorescent lamp
US5866993A (en) * 1996-11-14 1999-02-02 Pacific Scientific Company Three-way dimming ballast circuit with passive power factor correction
US5798617A (en) * 1996-12-18 1998-08-25 Pacific Scientific Company Magnetic feedback ballast circuit for fluorescent lamp
US6352722B1 (en) * 1997-12-23 2002-03-05 Quadrant Holdings Cambridge Limited Derivatized carbohydrates, compositions comprised thereof and methods of use thereof
EP1956636A3 (en) * 2001-03-19 2008-09-10 Fujitsu Limited Light source device and display device
US7284878B2 (en) 2004-12-03 2007-10-23 Acuity Brands, Inc. Lumen regulating apparatus and process
US7883237B2 (en) * 2005-09-28 2011-02-08 Abl Ip Holding, Llc Heat extractor device for fluorescent lighting fixture

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1151129A (en) * 1913-03-12 1915-08-24 Auergesellschaft Gmbh Electrical gas-lamp and method of producing light by means of the same.
US1924368A (en) * 1924-03-13 1933-08-29 Frederick S Mccullough Vacuum tube
DE559053C (de) * 1929-04-29 1932-09-19 Patra Patent Treuhand Verfahren und Einrichtung zum Zuenden von elektrischen Leuchtroehren mit Gluehelektroden
AT125878B (de) * 1929-06-26 1931-12-10 Claude Neon Lights Inc Kaltwetterleuchtröhre.
GB336490A (en) * 1929-07-13 1930-10-16 Gen Electric Co Ltd Improvements in luminous electric discharge tubes
DE519467C (de) * 1929-07-13 1931-02-28 Patra Patent Treuhand Elektrische Leuchtroehre mit kalten Metallelektroden oder Gluehelektroden
US2262177A (en) * 1929-12-07 1941-11-11 Gen Electric Lighting and radiating tube
DE694241C (de) * 1937-03-24 1940-07-29 Patra Patent Treuhand Quecksilberniederdruckroehre mit einer aus einem Neon-Argon-Gemisch bestehenden Grundgasfuellung
US2309676A (en) * 1939-12-12 1943-02-02 Charles Melzak Fluorescent lamp
US2433404A (en) * 1942-02-25 1947-12-30 Raytheon Mfg Co Light generating device
US2452518A (en) * 1944-12-18 1948-10-26 Sylvania Electric Prod Nonactinic fluorescent lamp
US2622221A (en) * 1945-11-23 1952-12-16 Westinghouse Electric Corp Fluorescent discharge lamp
CH306500A (de) * 1952-01-26 1955-04-15 Meteor Apparatebau Paul Schmec Leuchtstoffröhre.

Also Published As

Publication number Publication date
FR1175545A (fr) 1959-03-27
DE1104605B (de) 1961-04-13
GB811281A (en) 1959-04-02
US2966602A (en) 1960-12-27

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