Patent · US Active

Combined active and passive wireless communication device

US11437704B2 · kind B2 · utility

0Cited by
5References
12Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 26, 2021
Grant dateSep 6, 2022
Priority date
Expiry dateFeb 26, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B5/20
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A wireless communication device comprises a control unit, an antenna interface, an active wireless transceiver operable together with the control unit and antenna interface, a passive wireless transceiver operable together with the antenna interface and operable by harvesting power from received radio messages. The device is further configured to deactivate the one or more active wireless transceivers and control unit to an inactive state and, subsequently, by the passive wireless transceiver, activate the control unit and an active wireless transceiver to an active state when the passive wireless transceiver receives a message from the antenna interface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.