GB533249A - Improvements in or relating to electric discharge devices particularly for use in the starting circuit of gaseous electric discharge lamps - Google Patents

Improvements in or relating to electric discharge devices particularly for use in the starting circuit of gaseous electric discharge lamps

Info

Publication number: GB533249A
Authority: GB; United Kingdom
Prior art keywords: strips; discharge; electric discharge; electrodes; lamp
Prior art date: 1938-11-29
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

Application number

GB28464/39A

Other languages

English (en)

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.)

Westinghouse Electric International Co

Original Assignee

Westinghouse Electric International Co

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.)

1938-11-29

Filing date

1939-10-23

Publication date

1941-02-10

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22916671&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB533249(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1939-10-23 Application filed by Westinghouse Electric International Co filed Critical Westinghouse Electric International Co

1941-02-10 Publication of GB533249A publication Critical patent/GB533249A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/02—Details
- H05B41/04—Starting switches
- H05B41/06—Starting switches thermal only
- H05B41/08—Starting switches thermal only heated by glow discharge

Landscapes

Circuit Arrangements For Discharge Lamps (AREA)

GB28464/39A 1938-11-29 1939-10-23 Improvements in or relating to electric discharge devices particularly for use in the starting circuit of gaseous electric discharge lamps Expired GB533249A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US242927A US2200443A (en)	1938-11-29	1938-11-29	Discharge lamp circuit

Publications (1)

Publication Number	Publication Date
GB533249A true GB533249A (en)	1941-02-10

Family

ID=22916671

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB28464/39A Expired GB533249A (en)	1938-11-29	1939-10-23	Improvements in or relating to electric discharge devices particularly for use in the starting circuit of gaseous electric discharge lamps

Country Status (5)

Country	Link
US (1)	US2200443A (fr)
CH (1)	CH215774A (fr)
DK (1)	DK66594C (fr)
FR (1)	FR861330A (fr)
GB (1)	GB533249A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE974049C (de) *	1940-12-24	1960-08-25	Patra Patent Treuhand	Elektrische Metalldampf-Hochdruckentladungslampe
US2426463A (en) *	1944-03-27	1947-08-26	Sylvania Electric Prod	Glow starter for electric discharge devices
US2432488A (en) *	1944-03-27	1947-12-09	Sylvania Electric Prod	Glow starter for electric discharge devices
US2415502A (en) *	1945-03-29	1947-02-11	Morris J Lifshitz	Electric gaseous discharge lamp testing unit
US2482442A (en) *	1945-09-17	1949-09-20	Gen Electric	Control unit for discharge lamps
US2536280A (en) *	1945-10-19	1951-01-02	Hartford Nat Bank & Trust Co	Thermal electric switch
US2502203A (en) *	1947-05-10	1950-03-28	Westinghouse Electric Corp	Glow switch
US2621322A (en) *	1948-02-07	1952-12-09	Sorensen & Company Inc	Filament failure device
US2838633A (en) *	1953-11-11	1958-06-10	Egyesuelt Izzolampa	Time delay switch of the gaseous electric discharge tube type
US2759064A (en) *	1955-04-22	1956-08-14	Jack & Heintz Inc	Overvoltage relay
NL254443A (fr) *	1959-08-06
US3262012A (en) *	1963-12-31	1966-07-19	Sylvania Electric Prod	Electric discharge device having a thermostatically operated switch connected to a main electrode

1938
- 1938-11-29 US US242927A patent/US2200443A/en not_active Expired - Lifetime
1939
- 1939-10-23 GB GB28464/39A patent/GB533249A/en not_active Expired
- 1939-11-03 FR FR861330D patent/FR861330A/fr not_active Expired
- 1939-11-27 CH CH215774D patent/CH215774A/fr unknown
- 1939-12-04 DK DK272439AA patent/DK66594C/da active

Also Published As

Publication number	Publication date
DK66594C (da)	1948-04-12
FR861330A (fr)	1941-02-06
CH215774A (fr)	1941-07-15
US2200443A (en)	1940-05-14

Similar Documents

Publication	Publication Date	Title
GB533249A (en)	1941-02-10	Improvements in or relating to electric discharge devices particularly for use in the starting circuit of gaseous electric discharge lamps
GB547705A (en)	1942-09-08	Improvements in and relating to fluid blast electric circuit breakers
US2504498A (en)	1950-04-18	Starting and operating circuit for electric discharge devices
GB534004A (en)	1941-02-25	Improvements relating to the starting of gaseous electric discharge devices
US2080908A (en)	1937-05-18	Electric gaseous discharge device
GB538793A (en)	1941-08-18	Improvements in combinations of a hpmv lamp with means for cooling it
US2236671A (en)	1941-04-01	Starter switch for gaseous discharge devices
GB550308A (en)	1943-01-01	Improvements in and relating to electric discharge lamp circuits
US2694788A (en)	1954-11-16	Circuit and starting switch for electric discharge devices
GB530828A (en)	1940-12-23	Improvements in and relating to electric discharge lamps
US2714691A (en)	1955-08-02	Starting and operating circuits for fluorescent lamps
GB529123A (en)	1940-11-14	Improvements relating to metal vapour electric discharge lamps
GB521618A (en)	1940-05-27	Improvements in and relating to electric over-voltage protective switching devices
GB535735A (en)	1941-04-21	Improvements relating to reactances particularly for use in connection with circuit arrangements for gaseous electric discharge lamps
GB548522A (en)	1942-10-13	Improvements in or relating to gaseous electric discharge devices
GB565302A (en)	1944-11-06	Improvements relating to starting switches for electric discharge devices
GB728658A (en)	1955-04-27	Improvements in or relating to circuit arrangements for operating electric dischargelamps
GB533016A (en)	1941-02-05	Improvements relating to arrangements for operating electric discharge lamps
GB686735A (en)	1953-01-28	Glow discharge switch for igniting electric discharge tubes, particularly for use with direct current, and circuit containing same
GB505044A (en)	1939-05-04	Improvements in electric circuits for operating electric discharge devices
GB525131A (en)	1940-08-22	Improvements relating to arrangements for extinguishing electric arcs
GB553831A (en)	1943-06-08	Improved operating circuit for low pressure gaseous electric discharge lamps
GB526591A (en)	1940-09-20	Improvements in and relating to electric discharge lamps
GB614754A (en)	1948-12-22	Improvements in and relating to electric thermal switches operated by "glow discharge"
GB616634A (en)	1949-01-25	Improvements in and relating to control units for discharge lamps