GB8915611D0 - A discharge tube arrangement - Google Patents

A discharge tube arrangement

Info

Publication number
GB8915611D0
GB8915611D0 GB898915611A GB8915611A GB8915611D0 GB 8915611 D0 GB8915611 D0 GB 8915611D0 GB 898915611 A GB898915611 A GB 898915611A GB 8915611 A GB8915611 A GB 8915611A GB 8915611 D0 GB8915611 D0 GB 8915611D0
Authority
GB
United Kingdom
Prior art keywords
discharge tube
tube arrangement
arrangement
discharge
tube
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.)
Pending
Application number
GB898915611A
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.)
Thorn EMI PLC
Original Assignee
Thorn EMI PLC
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 Thorn EMI PLC filed Critical Thorn EMI PLC
Priority to GB898915611A priority Critical patent/GB8915611D0/en
Publication of GB8915611D0 publication Critical patent/GB8915611D0/en
Priority to DE1990612460 priority patent/DE69012460T2/en
Priority to EP19900307289 priority patent/EP0407160B1/en
Priority to JP2180368A priority patent/JP2875860B2/en
Pending legal-status Critical Current

Links

GB898915611A 1989-07-07 1989-07-07 A discharge tube arrangement Pending GB8915611D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB898915611A GB8915611D0 (en) 1989-07-07 1989-07-07 A discharge tube arrangement
DE1990612460 DE69012460T2 (en) 1989-07-07 1990-07-04 Discharge tube system.
EP19900307289 EP0407160B1 (en) 1989-07-07 1990-07-04 A discharge tube arrangement
JP2180368A JP2875860B2 (en) 1989-07-07 1990-07-06 Discharge tube device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898915611A GB8915611D0 (en) 1989-07-07 1989-07-07 A discharge tube arrangement

Publications (1)

Publication Number Publication Date
GB8915611D0 true GB8915611D0 (en) 1989-08-23

Family

ID=10659694

Family Applications (1)

Application Number Title Priority Date Filing Date
GB898915611A Pending GB8915611D0 (en) 1989-07-07 1989-07-07 A discharge tube arrangement

Country Status (4)

Country Link
EP (1) EP0407160B1 (en)
JP (1) JP2875860B2 (en)
DE (1) DE69012460T2 (en)
GB (1) GB8915611D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03152852A (en) * 1989-11-08 1991-06-28 Matsushita Electric Works Ltd Discharge lamp of high brightness and electrodeless discharge lamp device
JP2001127167A (en) * 1999-10-28 2001-05-11 Mitsumi Electric Co Ltd Semiconductor device
DE10242049A1 (en) * 2002-09-11 2004-03-25 Philips Intellectual Property & Standards Gmbh Low pressure discharge lamp comprises a gas discharge vessel containing a noble gas filling as buffer gas, electrodes and devices for producing and maintaining a low pressure gas discharge, and a zinc halide
WO2005031795A1 (en) * 2003-09-30 2005-04-07 Philips Intellectual Property & Standards Gmbh Low-pressure gas discharge lamp having a means for binding oxygen and water
US7825598B2 (en) 2004-12-20 2010-11-02 General Electric Company Mercury-free discharge compositions and lamps incorporating Titanium, Zirconium, and Hafnium
US7847484B2 (en) 2004-12-20 2010-12-07 General Electric Company Mercury-free and sodium-free compositions and radiation source incorporating same
EP1875488A2 (en) * 2005-04-20 2008-01-09 Philips Intellectual Property & Standards GmbH Low-pressure gas discharge lamp comprising halides of indium and sodium
EP2020017A2 (en) * 2006-05-15 2009-02-04 Koninklijke Philips Electronics N.V. Low-pressure gas discharge lamp having improved efficiency

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720855A (en) * 1972-02-28 1973-03-13 Gte Laboratories Inc Electric discharge lamp
US4480213A (en) * 1982-07-26 1984-10-30 Gte Laboratories Incorporated Compact mercury-free fluorescent lamp
US4591759A (en) * 1984-09-10 1986-05-27 General Electric Company Ingredients for solenoidal metal halide arc lamps
US4792725A (en) * 1985-12-10 1988-12-20 The United States Of America As Represented By The Department Of Energy Instantaneous and efficient surface wave excitation of a low pressure gas or gases
GB8821671D0 (en) * 1988-09-02 1988-10-19 Emi Plc Thorn Discharge tube arrangement
GB8920051D0 (en) * 1989-09-05 1989-10-18 Emi Plc Thorn A discharge tube arrangement

Also Published As

Publication number Publication date
EP0407160A2 (en) 1991-01-09
DE69012460T2 (en) 1995-05-11
EP0407160A3 (en) 1991-07-31
JPH0367455A (en) 1991-03-22
JP2875860B2 (en) 1999-03-31
DE69012460D1 (en) 1994-10-20
EP0407160B1 (en) 1994-09-14

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