Method and an apparatus to sense supply voltage
US7449966B2 · kind B2 · utility
1Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2006 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Aug 18, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R19/0084
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method and an apparatus to sense supply voltage have been disclosed. In one embodiment, the apparatus includes a resistor having a first end and a second end, the first end coupled to a voltage supply and a ring oscillator sensor coupled between the second end of the resistor and ground, the ring oscillator sensor having an output coupled to a computational element. Other embodiments have been claimed and described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.