Method and apparatus to determine user presence
US9018585B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Dec 28, 2011 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Dec 28, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2139
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to some embodiments, a method and apparatus are provided to receive a first signal from a sensor, determine that a user is present based on the received first signal, receive a second signal from the sensor, and determine if the user is still present based on the received second signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.