Level-shift and pulse shaping circuitry
US4347439A · kind A · utility
1Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1979 |
| Grant date | Aug 31, 1982 |
| Priority date | — |
| Expiry date | Feb 1, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/941
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A light detector with level shift and shaped pulse is obtained by circuitry hich provides both short turn off time and high sensitivity. The phototransistor does not provide the reference signal until nearly at maximum output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.