Ultra low power analog to digital converter
US6894633B2 · kind B2 · utility
1Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 8, 2003 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Dec 8, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/1215
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An analog-to-digital converter for ultra low power applications, such as pacemakers, has a digitizer for producing a digital output signal from a sampled analog input signal. The digitizer is normally in off state to save current. A sample-and-hold circuit stores a plurality of successive samples of the analog input signal. A control element turns on the digitizer in response to an activation signal, sequentially applies the stored samples to the digitizer in response to the activation signal and thus reconstructs the signal as it existed prior to the activation signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.