EP0508337A3 - Inverter circuit for a capacitive light source - Google Patents
Inverter circuit for a capacitive light source Download PDFInfo
- Publication number
- EP0508337A3 EP0508337A3 EP19920105863 EP92105863A EP0508337A3 EP 0508337 A3 EP0508337 A3 EP 0508337A3 EP 19920105863 EP19920105863 EP 19920105863 EP 92105863 A EP92105863 A EP 92105863A EP 0508337 A3 EP0508337 A3 EP 0508337A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- light source
- inverter circuit
- capacitive light
- capacitive
- inverter
- 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.)
- Withdrawn
Links
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4111581A DE4111581A1 (de) | 1991-04-10 | 1991-04-10 | Inverterschalter fuer eine kapazitive lichtquelle |
| DE4111581 | 1991-04-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0508337A2 EP0508337A2 (de) | 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| EP19920105863 Withdrawn EP0508337A3 (en) | 1991-04-10 | 1992-04-04 | Inverter circuit for a capacitive light source |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 (enrdf_load_stackoverflow) |
| DE (1) | DE4111581A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| 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)
| 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)
| 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/de active Granted
-
1992
- 1992-04-04 EP EP19920105863 patent/EP0508337A3/de not_active Withdrawn
Patent Citations (3)
| 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 |
|---|---|
| DE4111581A1 (de) | 1992-10-15 |
| EP0508337A2 (de) | 1992-10-14 |
| DE4111581C2 (enrdf_load_stackoverflow) | 1993-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB IT NL SE |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT NL SE |
|
| 17P | Request for examination filed |
Effective date: 19930107 |
|
| 17Q | First examination report despatched |
Effective date: 19941206 |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| 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 |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19961101 |