Current source whose output increases as control voltages are balanced
US5182462A · kind A · utility
3Cited by
9References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 3, 1992 |
| Grant date | Jan 26, 1993 |
| Priority date | — |
| Expiry date | Mar 3, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F1/561
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A novel circuit is taught to provide a smooth current transfer function over a range of two input voltages, so that power can be supplied to an electronic circuit from more than a single power source. In one embodiment such power sources include a battery and an DC supply operated off the AC mains. Associated with each such supply is a current source designed to provide a reference current. This reference current is used to establish mirror currents from each of the power leads in order to provide the desired output current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.