Personal proximity sensor systems
US10529216B1 · kind B1 · utility
2Cited by
1References
17Claims
0Family size
Inventors
Key dates
| Filing date | Jun 19, 2018 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Jun 19, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Implementations of a sensing device may include: a circuit board including a microprocessor, an ultrasonic sensor coupled with the circuit board, an infrared sensor coupled with the circuit board, and a wireless communication module coupled with the circuit board. Each of the ultrasonic sensor and the infrared sensor may be configured to receive input from the surroundings of the user to indicate a presence of an individual behind the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.