Patent · US Active

Personal proximity sensor systems

US10529216B1 · kind B1 · utility

2Cited by
1References
17Claims
0Family size

Inventors

Key dates

Filing dateJun 19, 2018
Grant dateJan 7, 2020
Priority date
Expiry dateJun 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.