DE69501543D1 - Niederdrucknatriumentladungslampe - Google Patents

Niederdrucknatriumentladungslampe

Info

Publication number
DE69501543D1
DE69501543D1 DE69501543T DE69501543T DE69501543D1 DE 69501543 D1 DE69501543 D1 DE 69501543D1 DE 69501543 T DE69501543 T DE 69501543T DE 69501543 T DE69501543 T DE 69501543T DE 69501543 D1 DE69501543 D1 DE 69501543D1
Authority
DE
Germany
Prior art keywords
low pressure
discharge lamp
pressure discharge
lamp
low
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 - Fee Related
Application number
DE69501543T
Other languages
English (en)
Other versions
DE69501543T2 (de
Inventor
Karel Vervecken
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics 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 Electronics NV filed Critical Philips Electronics NV
Publication of DE69501543D1 publication Critical patent/DE69501543D1/de
Application granted granted Critical
Publication of DE69501543T2 publication Critical patent/DE69501543T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01J61/74—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of difficult vaporisable metal vapour, e.g. sodium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
DE69501543T 1994-06-22 1995-06-12 Niederdrucknatriumentladungslampe Expired - Fee Related DE69501543T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94201783 1994-06-22
PCT/IB1995/000460 WO1995035579A1 (en) 1994-06-22 1995-06-12 Low-pressure sodium discharge lamp

Publications (2)

Publication Number Publication Date
DE69501543D1 true DE69501543D1 (de) 1998-03-05
DE69501543T2 DE69501543T2 (de) 1998-07-30

Family

ID=8216975

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69501543T Expired - Fee Related DE69501543T2 (de) 1994-06-22 1995-06-12 Niederdrucknatriumentladungslampe

Country Status (6)

Country Link
US (1) US5619090A (de)
EP (1) EP0714552B1 (de)
JP (1) JPH09502300A (de)
CN (1) CN1089482C (de)
DE (1) DE69501543T2 (de)
WO (1) WO1995035579A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3858317B2 (ja) * 1996-11-29 2006-12-13 東芝ライテック株式会社 放電灯点灯装置及び照明装置
US6731071B2 (en) * 1999-06-21 2004-05-04 Access Business Group International Llc Inductively powered lamp assembly
US8008844B2 (en) * 2008-07-04 2011-08-30 Iwasaki Electric Co., Ltd. Triple walled lamp
KR101175640B1 (ko) * 2009-07-30 2012-08-24 삼이홀딩스 주식회사 나트륨 전등 및 그 제조방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB865928A (en) * 1958-12-17 1961-04-26 Gen Electric Co Ltd Improvements in or relating to sodium vapour electric discharge lamps
CN1004667B (zh) * 1985-02-15 1989-06-28 菲利浦光灯制造公司 低压钠放电灯

Also Published As

Publication number Publication date
CN1089482C (zh) 2002-08-21
WO1995035579A1 (en) 1995-12-28
US5619090A (en) 1997-04-08
DE69501543T2 (de) 1998-07-30
JPH09502300A (ja) 1997-03-04
CN1130957A (zh) 1996-09-11
EP0714552B1 (de) 1998-01-28
EP0714552A1 (de) 1996-06-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8322 Nonbinding interest in granting licences declared
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee