DE69811971T2 - Ringförmige Leuchtstoffröhre - Google Patents
Ringförmige LeuchtstoffröhreInfo
- Publication number
- DE69811971T2 DE69811971T2 DE69811971T DE69811971T DE69811971T2 DE 69811971 T2 DE69811971 T2 DE 69811971T2 DE 69811971 T DE69811971 T DE 69811971T DE 69811971 T DE69811971 T DE 69811971T DE 69811971 T2 DE69811971 T2 DE 69811971T2
- Authority
- DE
- Germany
- Prior art keywords
- fluorescent tube
- annular fluorescent
- annular
- tube
- 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
- H01J61/30—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 |
---|---|---|---|
JP7949297 | 1997-03-31 | ||
JP561698A JP3135526B2 (ja) | 1997-03-31 | 1998-01-14 | 環形蛍光ランプ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69811971D1 DE69811971D1 (de) | 2003-04-17 |
DE69811971T2 true DE69811971T2 (de) | 2003-08-28 |
Family
ID=26339584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69811971T Expired - Fee Related DE69811971T2 (de) | 1997-03-31 | 1998-03-30 | Ringförmige Leuchtstoffröhre |
Country Status (5)
Country | Link |
---|---|
US (1) | US6031324A (de) |
EP (1) | EP0869539B1 (de) |
JP (1) | JP3135526B2 (de) |
CN (1) | CN1118858C (de) |
DE (1) | DE69811971T2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3327224B2 (ja) * | 1998-10-28 | 2002-09-24 | 松下電器産業株式会社 | 低圧水銀蒸気放電ランプ |
JP3868232B2 (ja) * | 2001-07-06 | 2007-01-17 | 松下電器産業株式会社 | 環形蛍光ランプ |
MX2011006820A (es) * | 2009-01-16 | 2011-07-12 | Air Prod & Chem | Dispositivo de combustion multimodal y metodo para utilizar el dispositivo. |
JP5624959B2 (ja) * | 2011-08-22 | 2014-11-12 | 日立アプライアンス株式会社 | 環形蛍光ランプ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7218982U (de) * | 1972-05-19 | 1973-03-29 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Sockel für ringförmige Leuchtstofflampen |
US4468071A (en) * | 1981-02-18 | 1984-08-28 | General Electric Company | Double latch snap lock base for annular fluorescent lamps |
KR920003545B1 (ko) * | 1987-07-01 | 1992-05-02 | 가부시끼가이샤 도시바 | 링형 유리발브 및 이를 사용한 램프 어셈블리 |
JP2776840B2 (ja) * | 1988-08-26 | 1998-07-16 | 株式会社日立製作所 | 蛍光ランプ |
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 |
US5723939A (en) * | 1994-12-28 | 1998-03-03 | Matsushita Electronics Corporation | Circular fluorescent lamp |
JP3190228B2 (ja) * | 1995-03-03 | 2001-07-23 | オスラム・メルコ株式会社 | 片口金形蛍光ランプ点灯装置 |
DE29600594U1 (de) * | 1996-01-15 | 1997-05-07 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Einseitig gesockelte Niederdruckentladungslampe und zugehörige Fassung |
-
1998
- 1998-01-14 JP JP561698A patent/JP3135526B2/ja not_active Expired - Lifetime
- 1998-03-27 US US09/049,185 patent/US6031324A/en not_active Expired - Lifetime
- 1998-03-30 DE DE69811971T patent/DE69811971T2/de not_active Expired - Fee Related
- 1998-03-30 EP EP98105728A patent/EP0869539B1/de not_active Expired - Lifetime
- 1998-03-31 CN CN98105932A patent/CN1118858C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1118858C (zh) | 2003-08-20 |
JPH10334791A (ja) | 1998-12-18 |
EP0869539B1 (de) | 2003-03-12 |
CN1195185A (zh) | 1998-10-07 |
EP0869539A1 (de) | 1998-10-07 |
US6031324A (en) | 2000-02-29 |
DE69811971D1 (de) | 2003-04-17 |
JP3135526B2 (ja) | 2001-02-19 |
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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 |