EP1075706A4 - Maintaining led luminous intensity - Google Patents

Maintaining led luminous intensity

Info

Publication number: EP1075706A4
Authority: EP; European Patent Office
Prior art keywords: luminous intensity; led luminous; maintaining led; maintaining; intensity
Prior art date: 1998-04-27
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP98918770A

Other languages

German (de)

French (fr)

Other versions

EP1075706A1 (en

Inventor

Peter A Hochstein

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.)

Individual

Original Assignee

Individual

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.)

1998-04-27

Filing date

1998-04-27

Publication date

2001-07-18

1998-04-27 Application filed by Individual filed Critical Individual

1998-04-27 Priority claimed from PCT/US1998/008432 external-priority patent/WO1999056303A1/en

2001-02-14 Publication of EP1075706A1 publication Critical patent/EP1075706A1/en

2001-07-18 Publication of EP1075706A4 publication Critical patent/EP1075706A4/en

Status Withdrawn legal-status Critical Current

Classifications

- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

EP98918770A 1998-04-27 1998-04-27 Maintaining led luminous intensity Withdrawn EP1075706A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US1998/008432 WO1999056303A1 (en)	1997-01-10	1998-04-27	Maintaining led luminous intensity

Publications (2)

Publication Number	Publication Date
EP1075706A1 EP1075706A1 (en)	2001-02-14
EP1075706A4 true EP1075706A4 (en)	2001-07-18

Family

ID=22266918

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98918770A Withdrawn EP1075706A4 (en)	1998-04-27	1998-04-27	Maintaining led luminous intensity

Country Status (2)

Country	Link
EP (1)	EP1075706A4 (en)
CA (1)	CA2328439A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2057866A1 (en) *	2006-08-21	2009-05-13	TIR Technology LP	Method and apparatus for ripple compensation of light-emitting elements
EP2092796A4 (en)	2006-12-11	2016-11-16	Philips Lighting Holding Bv	Luminaire control system and method
EP2092797B1 (en)	2006-12-11	2012-11-21	Koninklijke Philips Electronics N.V.	Method and apparatus for digital control of a lighting device
RU2476038C2 (en) *	2006-12-12	2013-02-20	Конинклейке Филипс Электроникс Н.В.	System and method for illumination control
US7592757B2 (en) *	2007-03-29	2009-09-22	Magna International Inc.	System and method for dimming one or more light source
CN101731023A (en) *	2007-05-16	2010-06-09	托尼·迈耶	Constant light output illuminator system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4117499A (en) *	1976-02-25	1978-09-26	Rollei-Werke Franke & Heidecke	Photographic camera with automatic exposure control
US4843283A (en) *	1987-08-24	1989-06-27	Chen Jack Y C	Infrared ray detector control illumination system
EP0572009A1 (en) *	1992-05-27	1993-12-01	Spacelabs Medical, Inc.	Scanning system for touch screen keyboards

1998
- 1998-04-27 CA CA002328439A patent/CA2328439A1/en not_active Abandoned
- 1998-04-27 EP EP98918770A patent/EP1075706A4/en not_active Withdrawn

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4117499A (en) *	1976-02-25	1978-09-26	Rollei-Werke Franke & Heidecke	Photographic camera with automatic exposure control
US4843283A (en) *	1987-08-24	1989-06-27	Chen Jack Y C	Infrared ray detector control illumination system
EP0572009A1 (en) *	1992-05-27	1993-12-01	Spacelabs Medical, Inc.	Scanning system for touch screen keyboards

Also Published As

Publication number	Publication date
EP1075706A1 (en)	2001-02-14
CA2328439A1 (en)	1999-11-04

Publication	Publication Date	Title
GB2331625B (en)	2003-02-26	led Lamp
GB9921483D0 (en)	1999-11-17	Light emitting devices
GB9726254D0 (en)	1998-02-11	Led Lamp
TW411079U (en)	2000-11-01	Electroluminescent lamp
SG93290A1 (en)	2002-12-17	Light control type led lighting equipment
GB9926183D0 (en)	2000-01-12	LED components
GB9810798D0 (en)	1998-07-15	Light emitting devices
HUP0105247A3 (en)	2002-05-28	Lighting arrangement
HU9902777D0 (en)	1999-10-28	Incandescent lamp
EP1075706A4 (en)	2001-07-18	Maintaining led luminous intensity
EP1063680A4 (en)	2003-01-29	Fluorescent lamp
AU137192S (en)	1999-05-05	Fluorescent lamp
GB2381381B (en)	2003-06-11	LED lamp
GB9810969D0 (en)	1998-07-22	Fluorescent lamps
TW445007U (en)	2001-07-01	LED lamp
GB9911311D0 (en)	1999-07-14	Led lamp improvement
GB0003534D0 (en)	2000-04-05	Improved LED lamps
GB9828160D0 (en)	1999-02-17	Lamp shade
GB9901716D0 (en)	1999-03-17	Light emitting diode
HU1636U (en)	1999-10-28	Electroluminescent light-source
PL108214U1 (en)	1999-12-06	Lighting lamp
GB9820311D0 (en)	1998-11-11	Led lamp
CA83015S (en)	1998-02-06	Lighting fixture
CA85211S (en)	1998-11-20	Lighting fixture
CA82959S (en)	1998-01-23	Lighting fixture

Legal Events

Date	Code	Title	Description
2000-12-29	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2001-02-14	17P	Request for examination filed	Effective date: 20001002
2001-02-14	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): DE ES FR GB IT
2001-07-18	A4	Supplementary search report drawn up and despatched	Effective date: 20010605
2001-07-18	AK	Designated contracting states	Kind code of ref document: A4 Designated state(s): DE ES FR GB IT
2001-07-18	RIC1	Information provided on ipc code assigned before grant	Free format text: 7H 01J 40/14 A, 7H 05B 33/08 B, 7H 05B 39/04 B, 7G 06K 11/08 B, 7G 03B 7/08 B
2002-01-02	17Q	First examination report despatched	Effective date: 20011113
2002-10-11	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2002-11-27	18D	Application deemed to be withdrawn	Effective date: 20020524