Temperature compensated crystal oscillator
US7541878B2 · kind B2 · utility
12Cited by
2References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 2005 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Jul 17, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03L1/028
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An apparatus, comprising: a first oscillator made from piezoelectric material to oscillate at a first frequency; a second oscillator to oscillate at a second frequency; a comparator to compare the first frequency to the second frequency; and a controller to change the first frequency in response to the comparing of the first frequency to the second frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.