DE69806085D1 - Ringförmige Fluoreszenzlampe - Google Patents
Ringförmige FluoreszenzlampeInfo
- Publication number
- DE69806085D1 DE69806085D1 DE69806085T DE69806085T DE69806085D1 DE 69806085 D1 DE69806085 D1 DE 69806085D1 DE 69806085 T DE69806085 T DE 69806085T DE 69806085 T DE69806085 T DE 69806085T DE 69806085 D1 DE69806085 D1 DE 69806085D1
- Authority
- DE
- Germany
- Prior art keywords
- fluorescent lamp
- annular fluorescent
- annular
- lamp
- fluorescent
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/56—One or more circuit elements structurally associated with the lamp
-
- 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
- H01J61/32—Special longitudinal shape, e.g. for advertising purposes
- H01J61/322—Circular lamps
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7945097 | 1997-03-31 | ||
JP830398A JP3219044B2 (ja) | 1997-03-31 | 1998-01-20 | 環形蛍光ランプ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69806085D1 true DE69806085D1 (de) | 2002-07-25 |
DE69806085T2 DE69806085T2 (de) | 2002-11-07 |
Family
ID=26342798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69806085T Expired - Fee Related DE69806085T2 (de) | 1997-03-31 | 1998-03-30 | Ringförmige Fluoreszenzlampe |
Country Status (5)
Country | Link |
---|---|
US (1) | US5977692A (de) |
EP (1) | EP0869541B1 (de) |
JP (1) | JP3219044B2 (de) |
CN (1) | CN1126147C (de) |
DE (1) | DE69806085T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2800905B2 (ja) | 1991-10-28 | 1998-09-21 | 富士通株式会社 | 弾性表面波フィルタ |
USRE40036E1 (en) * | 1991-10-28 | 2008-01-29 | Fujitsu Limited | Surface acoustic wave filter |
JP3736171B2 (ja) * | 1998-03-31 | 2006-01-18 | 東芝ライテック株式会社 | 電球形蛍光ランプ及び照明器具 |
JP3032504B2 (ja) * | 1998-07-10 | 2000-04-17 | 松下電子工業株式会社 | 蛍光ランプ、この蛍光ランプの製造方法およびこの蛍光ランプを用いた照明装置 |
JP3293612B2 (ja) | 1999-10-29 | 2002-06-17 | 松下電器産業株式会社 | 蛍光ランプ |
US6621209B2 (en) * | 2000-08-29 | 2003-09-16 | Matsushita Electric Industrial Co., Ltd. | Fluorescent lamp having a spacer between glass tubes |
JP4367754B2 (ja) * | 2002-10-31 | 2009-11-18 | 株式会社村田製作所 | 蛍光ランプ点灯装置 |
KR100718959B1 (ko) * | 2002-11-22 | 2007-05-16 | 도시바 라이텍쿠 가부시키가이샤 | 형광 램프 및 조명 기구 |
US6967308B1 (en) * | 2004-05-07 | 2005-11-22 | Dell Products L.P. | System and method for information handling system peripheral heating element thermal failsafe |
JP2008021520A (ja) * | 2006-07-12 | 2008-01-31 | Nec Lighting Ltd | 放電灯 |
JP4624337B2 (ja) * | 2006-11-27 | 2011-02-02 | Necライティング株式会社 | 蛍光ランプ |
US8669715B2 (en) | 2011-04-22 | 2014-03-11 | Crs Electronics | LED driver having constant input current |
US8476847B2 (en) | 2011-04-22 | 2013-07-02 | Crs Electronics | Thermal foldback system |
US8669711B2 (en) | 2011-04-22 | 2014-03-11 | Crs Electronics | Dynamic-headroom LED power supply |
WO2019039031A1 (ja) | 2017-08-22 | 2019-02-28 | 株式会社日本フォトサイエンス | 放電灯及び放電灯装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS563967A (en) * | 1979-06-25 | 1981-01-16 | Mitsubishi Electric Corp | Starter-built in type metal vapor discharge lamp |
US4649320A (en) * | 1984-06-18 | 1987-03-10 | Gte Products Corporation | Thermal protector for circular fluorescent lamp assembly |
GB8603677D0 (en) * | 1986-02-14 | 1986-03-19 | M O Valve Co Ltd | Fail safe surge arrester |
JPH0227694U (de) * | 1988-08-10 | 1990-02-22 | ||
JP2776840B2 (ja) * | 1988-08-26 | 1998-07-16 | 株式会社日立製作所 | 蛍光ランプ |
US4857808A (en) * | 1988-09-01 | 1989-08-15 | North American Philips Corporation | Modified impedance rapid start fluorescent lamp system |
JPH02192650A (ja) * | 1989-01-20 | 1990-07-30 | Hitachi Ltd | 螢光ランプ点灯装置 |
JPH0419901A (ja) * | 1990-03-30 | 1992-01-23 | Toshiba Lighting & Technol Corp | 回路装置 |
JPH0461740A (ja) * | 1990-06-27 | 1992-02-27 | Stanley Electric Co Ltd | 蛍光放電灯の寿命告知方法 |
JP2865267B2 (ja) * | 1993-01-08 | 1999-03-08 | 朝日ナショナル照明株式会社 | 放電ランプおよびこのランプを用いた照明装置 |
JP3379613B2 (ja) * | 1994-06-30 | 2003-02-24 | 東芝ライテック株式会社 | 蛍光ランプ装置および照明装置 |
JP2788621B2 (ja) * | 1994-12-28 | 1998-08-20 | 松下電子工業株式会社 | 環形蛍光ランプ |
US5723939A (en) * | 1994-12-28 | 1998-03-03 | Matsushita Electronics Corporation | Circular fluorescent lamp |
US5793276A (en) * | 1995-07-25 | 1998-08-11 | Tdk Corporation | Organic PTC thermistor |
-
1998
- 1998-01-20 JP JP830398A patent/JP3219044B2/ja not_active Expired - Fee Related
- 1998-03-27 US US09/049,456 patent/US5977692A/en not_active Expired - Lifetime
- 1998-03-30 DE DE69806085T patent/DE69806085T2/de not_active Expired - Fee Related
- 1998-03-30 EP EP98105727A patent/EP0869541B1/de not_active Expired - Lifetime
- 1998-03-31 CN CN98109763A patent/CN1126147C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0869541A3 (de) | 1999-03-10 |
JPH10334792A (ja) | 1998-12-18 |
US5977692A (en) | 1999-11-02 |
CN1126147C (zh) | 2003-10-29 |
EP0869541B1 (de) | 2002-06-19 |
DE69806085T2 (de) | 2002-11-07 |
JP3219044B2 (ja) | 2001-10-15 |
EP0869541A2 (de) | 1998-10-07 |
CN1203439A (zh) | 1998-12-30 |
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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: STIPPL PATENTANWAELTE, 90482 NUERNBERG |
|
8339 | Ceased/non-payment of the annual fee |