EP0508337A3 - Inverter circuit for a capacitive light source - Google Patents

Inverter circuit for a capacitive light source Download PDF

Info

Publication number: EP0508337A3
Authority: EP; European Patent Office
Prior art keywords: light source; inverter circuit; capacitive light; capacitive; inverter
Prior art date: 1991-04-10
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP19920105863

Other languages

German (de)

Other versions

EP0508337A2 (en

Inventor

Juergen Ludwig

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.)

Diehl Verwaltungs Stiftung

Original Assignee

Diehl GmbH and 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.)

1991-04-10

Filing date

1992-04-04

Publication date

1993-02-03

1992-04-04 Application filed by Diehl GmbH and Co filed Critical Diehl GmbH and Co

1992-10-14 Publication of EP0508337A2 publication Critical patent/EP0508337A2/en

1993-02-03 Publication of EP0508337A3 publication Critical patent/EP0508337A3/en

Status Withdrawn legal-status Critical Current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
- H05B44/00—Circuit arrangements for operating electroluminescent light sources
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Microelectronics & Electronic Packaging (AREA)
Optics & Photonics (AREA)
Inverter Devices (AREA)

EP19920105863 1991-04-10 1992-04-04 Inverter circuit for a capacitive light source Withdrawn EP0508337A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4111581A DE4111581A1 (en)	1991-04-10	1991-04-10	INVERTER SWITCH FOR A CAPACITIVE LIGHT SOURCE
DE4111581		1991-04-10

Publications (2)

Publication Number	Publication Date
EP0508337A2 EP0508337A2 (en)	1992-10-14
EP0508337A3 true EP0508337A3 (en)	1993-02-03

Family

ID=6429211

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19920105863 Withdrawn EP0508337A3 (en)	1991-04-10	1992-04-04	Inverter circuit for a capacitive light source

Country Status (2)

Country	Link
EP (1)	EP0508337A3 (en)
DE (1)	DE4111581A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5559402A (en) *	1994-08-24	1996-09-24	Hewlett-Packard Company	Power circuit with energy recovery for driving an electroluminescent device
US6038153A (en) *	1997-06-09	2000-03-14	Telefonaktiebolaget Lm Ericsson	Inverter circuit for illuminating an electroluminescent lamp

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0359245A2 (en) *	1988-09-14	1990-03-21	Daichi Co., Ltd	EL operating power supply circuit
WO1991012703A1 (en) *	1990-02-07	1991-08-22	Daichi Co., Ltd.	Light-emitting power source circuit
EP0492362A1 (en) *	1990-12-28	1992-07-01	Stanley Electric Co., Ltd.	Driving circuit for electroluminescent element

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4070663A (en) *	1975-07-07	1978-01-24	Sharp Kabushiki Kaisha	Control system for driving a capacitive display unit such as an EL display panel
US4633141A (en) *	1985-02-28	1986-12-30	Motorola, Inc.	Low voltage power source power inverter for an electroluminescent drive

1991
- 1991-04-10 DE DE4111581A patent/DE4111581A1/en active Granted
1992
- 1992-04-04 EP EP19920105863 patent/EP0508337A3/en not_active Withdrawn

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0359245A2 (en) *	1988-09-14	1990-03-21	Daichi Co., Ltd	EL operating power supply circuit
WO1991012703A1 (en) *	1990-02-07	1991-08-22	Daichi Co., Ltd.	Light-emitting power source circuit
EP0492362A1 (en) *	1990-12-28	1992-07-01	Stanley Electric Co., Ltd.	Driving circuit for electroluminescent element

Also Published As

Publication number	Publication date
DE4111581C2 (en)	1993-04-08
DE4111581A1 (en)	1992-10-15
EP0508337A2 (en)	1992-10-14

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Legal Events

Date	Code	Title	Description
1992-08-28	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
1992-10-14	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT NL SE
1992-12-17	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1993-02-03	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT NL SE
1993-03-10	17P	Request for examination filed	Effective date: 19930107
1995-01-18	17Q	First examination report despatched	Effective date: 19941206
1996-02-29	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-03-21	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
1997-05-07	18D	Application deemed to be withdrawn	Effective date: 19961101