DE69734075T2 - Hochdrucknatriumdampflampe mit hoher Farbausbeute - Google Patents

Hochdrucknatriumdampflampe mit hoher Farbausbeute Download PDF

Info

Publication number
DE69734075T2
DE69734075T2 DE69734075T DE69734075T DE69734075T2 DE 69734075 T2 DE69734075 T2 DE 69734075T2 DE 69734075 T DE69734075 T DE 69734075T DE 69734075 T DE69734075 T DE 69734075T DE 69734075 T2 DE69734075 T2 DE 69734075T2
Authority
DE
Germany
Prior art keywords
pressure sodium
sodium lamp
color yield
high pressure
high color
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
DE69734075T
Other languages
English (en)
Other versions
DE69734075D1 (de
Inventor
Naoki Saito
Atsunori Okada
Taku Sumitomo
Koji Nishioka
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of DE69734075D1 publication Critical patent/DE69734075D1/de
Application granted granted Critical
Publication of DE69734075T2 publication Critical patent/DE69734075T2/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
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/825—High-pressure sodium lamps
DE69734075T 1996-01-22 1997-01-22 Hochdrucknatriumdampflampe mit hoher Farbausbeute Expired - Fee Related DE69734075T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP874396 1996-01-22
JP10053196 1996-04-22
JP31023596 1996-11-21

Publications (2)

Publication Number Publication Date
DE69734075D1 DE69734075D1 (de) 2005-10-06
DE69734075T2 true DE69734075T2 (de) 2006-06-14

Family

ID=27278156

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69734075T Expired - Fee Related DE69734075T2 (de) 1996-01-22 1997-01-22 Hochdrucknatriumdampflampe mit hoher Farbausbeute

Country Status (5)

Country Link
US (1) US5814944A (de)
EP (1) EP0790639B1 (de)
CN (1) CN1104738C (de)
DE (1) DE69734075T2 (de)
HK (1) HK1001986A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1083798A (ja) * 1996-09-06 1998-03-31 Matsushita Electric Ind Co Ltd メタルハライドランプ
US6268696B1 (en) 1999-02-03 2001-07-31 Osram Sylvania Inc. Mercury and lead free high pressure sodium lamp
CA2261380A1 (en) * 1998-03-12 1999-09-12 Osram Sylvania Inc. Mercury and lead free high pressure sodium lamp
DE19937312A1 (de) * 1999-08-10 2001-02-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Quecksilberfreie Metallhalogenidlampe
US6498429B1 (en) 1999-11-15 2002-12-24 General Electric Company Sodium-xenon lamp with improved characteristics at end-of-life
US6476566B2 (en) 2000-12-27 2002-11-05 Infocus Systems, Inc. Method and apparatus for canceling ripple current in a lamp
WO2005098902A2 (en) * 2004-04-09 2005-10-20 Koninklijke Philips Electronics N.V. High-pressure sodium lamp
DE202008007518U1 (de) 2008-06-05 2008-08-21 Osram Gesellschaft mit beschränkter Haftung Hochdruckentladungslampe
US20100078198A1 (en) * 2008-08-13 2010-04-01 John Richardson Harris High Gradient Multilayer Vacuum Insulator
JP2011179327A (ja) * 2010-02-26 2011-09-15 Mitsubishi Heavy Ind Ltd 金属ナトリウム封入エンジンバルブの製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911818B1 (de) 1969-08-29 1974-03-19
CH565736A5 (de) * 1972-03-16 1975-08-29 Ciba Geigy Ag
NL181157C (nl) * 1977-04-15 1987-06-16 Philips Nv Hogedruknatriumdampontladingslamp.
JPS59130061A (ja) * 1983-01-17 1984-07-26 Hitachi Ltd 高圧金属蒸気放電灯
GB8707670D0 (en) * 1987-03-31 1987-05-07 Emi Plc Thorn Ceramic metal halide lamps
JPS6477863A (en) * 1987-09-18 1989-03-23 Matsushita Electronics Corp High pressure sodium lamp
US5097176A (en) * 1990-02-21 1992-03-17 U.S. Philips Corporation High-pressure sodium discharge lamp having a color temperature of at least 2800° K.
JPH0536379A (ja) * 1991-07-31 1993-02-12 Iwasaki Electric Co Ltd 高圧ナトリウムランプ
CA2111426A1 (en) * 1992-12-18 1994-06-19 Alfred E. Feuersanger Electrodeless lamp bulb
JPH07272680A (ja) * 1994-03-31 1995-10-20 Toshiba Lighting & Technol Corp セラミックス放電灯、放電灯点灯装置および照明器具

Also Published As

Publication number Publication date
HK1001986A1 (en) 1998-07-24
DE69734075D1 (de) 2005-10-06
CN1104738C (zh) 2003-04-02
US5814944A (en) 1998-09-29
CN1164123A (zh) 1997-11-05
EP0790639B1 (de) 2005-08-31
EP0790639A1 (de) 1997-08-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: GROSSE, SCHUMACHER, KNAUER, VON HIRSCHHAUSEN, 8033

8339 Ceased/non-payment of the annual fee