DE69530564D1 - Kreisförmige Fluoreszenzlampe - Google Patents

Kreisförmige Fluoreszenzlampe

Info

Publication number
DE69530564D1
DE69530564D1 DE69530564T DE69530564T DE69530564D1 DE 69530564 D1 DE69530564 D1 DE 69530564D1 DE 69530564 T DE69530564 T DE 69530564T DE 69530564 T DE69530564 T DE 69530564T DE 69530564 D1 DE69530564 D1 DE 69530564D1
Authority
DE
Germany
Prior art keywords
fluorescent lamp
circular fluorescent
circular
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
Application number
DE69530564T
Other languages
English (en)
Other versions
DE69530564T2 (de
Inventor
Ikuhiro Okuno
Toshiyoshi Oga
Hidehito Kawahara
Masashi Sangen
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 Corp
Original Assignee
Matsushita Electric Industrial Co 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 Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69530564D1 publication Critical patent/DE69530564D1/de
Publication of DE69530564T2 publication Critical patent/DE69530564T2/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
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/32—Special longitudinal shape, e.g. for advertising purposes
    • H01J61/322—Circular lamps
DE69530564T 1994-12-28 1995-12-22 Kreisförmige Fluoreszenzlampe Expired - Fee Related DE69530564T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP32781094 1994-12-28
JP32780994 1994-12-28
JP32780994 1994-12-28
JP32781094 1994-12-28

Publications (2)

Publication Number Publication Date
DE69530564D1 true DE69530564D1 (de) 2003-06-05
DE69530564T2 DE69530564T2 (de) 2004-04-29

Family

ID=26572648

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69530564T Expired - Fee Related DE69530564T2 (de) 1994-12-28 1995-12-22 Kreisförmige Fluoreszenzlampe

Country Status (4)

Country Link
US (1) US5723939A (de)
EP (1) EP0720208B1 (de)
CN (4) CN1071052C (de)
DE (1) DE69530564T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5722549A (en) * 1996-05-22 1998-03-03 Osram Sylvania Inc. Closed-loop tubular lamp envelope and method of manufacture
JP3219044B2 (ja) * 1997-03-31 2001-10-15 松下電器産業株式会社 環形蛍光ランプ
JP3135526B2 (ja) * 1997-03-31 2001-02-19 松下電子工業株式会社 環形蛍光ランプ
JP2000173537A (ja) * 1998-09-29 2000-06-23 Toshiba Lighting & Technology Corp 低圧水銀蒸気放電灯および照明装置
US6630779B1 (en) 2000-06-01 2003-10-07 General Electric Company Fluorescent lamp with discharge tube bent substantially in plane
US6630780B1 (en) * 2001-09-19 2003-10-07 Technical Consumer Products, Inc. Dual circular fluorescent lamp
ATE455364T1 (de) * 2002-11-22 2010-01-15 Toshiba Lighting & Technology Fluoreszenzlampe und beleuchtungseinrichtung
CN101764036B (zh) * 2008-12-23 2011-11-02 启耀光电股份有限公司 照明设备
CN101852381A (zh) * 2009-03-31 2010-10-06 建兴电子科技股份有限公司 一种可变色放电灯装置
TWM579391U (zh) 2019-01-21 2019-06-11 和碩聯合科技股份有限公司 電子裝置及其天線結構
DE202020107117U1 (de) 2020-12-10 2022-03-14 Alois Kober Gmbh Beleuchtungseinrichtung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2309676A (en) * 1939-12-12 1943-02-02 Charles Melzak Fluorescent lamp
US4283217A (en) * 1977-05-18 1981-08-11 Osamu Kawamura Method of forming a shaped fluorescent light bulb envelope
US4121132A (en) * 1977-09-28 1978-10-17 Westinghouse Electric Corp. Phosphor coating method and resulting fluorescent lamp
US4337414A (en) * 1979-11-26 1982-06-29 Westinghouse Electric Corp. Compact fluorescent lamp having convoluted tubular envelope of tridimensional configuration, method of making such envelope, and lighting unit incorporating such lamp
JPS58112238A (ja) * 1981-12-25 1983-07-04 Toshiba Corp けい光ランプ
GB2137017B (en) * 1983-03-02 1986-12-10 Emi Plc Thorn Improvements in or relating to discharge lamps
JPS623798A (ja) * 1985-07-01 1987-01-09 House Food Ind Co Ltd 好気性微生物生菌数の迅速測定法及び測定装置
KR920003545B1 (ko) * 1987-07-01 1992-05-02 가부시끼가이샤 도시바 링형 유리발브 및 이를 사용한 램프 어셈블리
US4833574A (en) * 1988-03-11 1989-05-23 Galagher P Christopher J Annular fluorescent lamp
JP2776840B2 (ja) * 1988-08-26 1998-07-16 株式会社日立製作所 蛍光ランプ
DE3829729A1 (de) * 1988-09-01 1990-03-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe
CN2174780Y (zh) * 1992-12-25 1994-08-17 陆坚培 同心圆式多环形节能荧光灯
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

Also Published As

Publication number Publication date
CN1264154A (zh) 2000-08-23
CN1128896A (zh) 1996-08-14
CN1110837C (zh) 2003-06-04
CN1270409A (zh) 2000-10-18
DE69530564T2 (de) 2004-04-29
CN1124637C (zh) 2003-10-15
US5723939A (en) 1998-03-03
EP0720208A3 (de) 1997-01-15
CN1071052C (zh) 2001-09-12
EP0720208B1 (de) 2003-05-02
CN1124638C (zh) 2003-10-15
CN1270410A (zh) 2000-10-18
EP0720208A2 (de) 1996-07-03

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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

8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee