Invention Grant
- Patent Title: Radio frequency communication devices having backscatter and non-backscatter communication modes and hardware re-use
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Application No.: US15923238Application Date: 2018-03-16
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Publication No.: US10461783B2Publication Date: 2019-10-29
- Inventor: Matthew S. Reynolds
- Applicant: University of Washington
- Applicant Address: US WA Seattle
- Assignee: University of Washington
- Current Assignee: University of Washington
- Current Assignee Address: US WA Seattle
- Agency: Dorsey & Whitney LLP
- Main IPC: H04B1/04
- IPC: H04B1/04 ; H04B1/403 ; H04B5/00 ; H04W88/06

Abstract:
Backscatter communication offers the potential for significant energy savings compared to conventional wireless links such as Bluetooth, Zigbee, WiFi, etc. However, backscatter communication requires the presence of a carrier source in the environment at an appropriate frequency. If such a carrier source is not available in the environment, backscatter communication may not be practical. Examples are presented for a radio frequency communication device having the option to use either backscatter communication, or non-backscatter communication, with the re-use of at least portions of the hardware components between the backscatter and non-backscatter communication modes.
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