DE29702377U1 - Gas discharge lamp with electronically changeable light color - Google Patents

Gas discharge lamp with electronically changeable light color

Info

Publication number
DE29702377U1
DE29702377U1 DE29702377U DE29702377U DE29702377U1 DE 29702377 U1 DE29702377 U1 DE 29702377U1 DE 29702377 U DE29702377 U DE 29702377U DE 29702377 U DE29702377 U DE 29702377U DE 29702377 U1 DE29702377 U1 DE 29702377U1
Authority
DE
Germany
Prior art keywords
discharge lamp
gas discharge
light color
changeable light
electronically changeable
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 - Lifetime
Application number
DE29702377U
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE29702377U priority Critical patent/DE29702377U1/en
Publication of DE29702377U1 publication Critical patent/DE29702377U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
    • H05B41/3928—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation for high-pressure lamps, e.g. high-intensity discharge lamps, high-pressure mercury or sodium lamps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Discharge Lamp (AREA)
DE29702377U 1997-02-12 1997-02-12 Gas discharge lamp with electronically changeable light color Expired - Lifetime DE29702377U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29702377U DE29702377U1 (en) 1997-02-12 1997-02-12 Gas discharge lamp with electronically changeable light color

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29702377U DE29702377U1 (en) 1997-02-12 1997-02-12 Gas discharge lamp with electronically changeable light color

Publications (1)

Publication Number Publication Date
DE29702377U1 true DE29702377U1 (en) 1997-04-03

Family

ID=8035797

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29702377U Expired - Lifetime DE29702377U1 (en) 1997-02-12 1997-02-12 Gas discharge lamp with electronically changeable light color

Country Status (1)

Country Link
DE (1) DE29702377U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000016376A1 (en) * 1998-09-16 2000-03-23 Koninklijke Philips Electronics N.V. Method of adjusting the light spectrum of a gas discharge lamp, gas discharge lamp, and luminaire for said lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000016376A1 (en) * 1998-09-16 2000-03-23 Koninklijke Philips Electronics N.V. Method of adjusting the light spectrum of a gas discharge lamp, gas discharge lamp, and luminaire for said lamp

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Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 19970515

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20000228

R157 Lapse of ip right after 6 years

Effective date: 20030829