Driver for light emitting device for providing a stable beam output
US5115147A · kind A · utility
18Cited by
13References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1989 |
| Grant date | May 19, 1992 |
| Priority date | — |
| Expiry date | May 31, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/603
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A driver for a light emitting device comprises first and second switching means associated with the light emitting device and application means for applying voltages to the first and second switching means to perform the switching operation in accordance with an input signal. The application means applies voltages of essentially same level to the first and second switching means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.