Capacitive sensor system
US10007892B1 · kind B1 · utility
27Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2016 |
| Grant date | Jun 26, 2018 |
| Priority date | — |
| Expiry date | Aug 29, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G21/28
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Capacitive sensors may be used to gather information, such as the presence of objects at an inventory location, such as a shelf. Two or more adjacent capacitive sensors operating at the same time may interfere with one another. Described are techniques to prevent this interference by using seed values to initialize pseudo random sequencing of an order in which capacitive sensors are in operation. The capacitive sensor, or a portion thereof, may be also be used as an antenna. Selection of an initial tuning network for use by the antenna may be determined based on output from the capacitive sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.