The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 04, 2025
Filed:
Mar. 23, 2020
Richwave Technology Corp., Taipei, TW;
Tse-Peng Chen, Taipei, TW;
Richwave Technology Corp., Taipei, TW;
Abstract
Methods and apparatus for detecting motion of an object in an environment, the method including transmitting a first wireless signal related to a transmission signal and receiving a second wireless signal related to an incoming signal, wherein the second wireless signal is a reflected first wireless signal from the object, obtaining a modulation signal related to a combination of the transmission and incoming signals, wherein the modulation signal contains a Doppler shift caused by the motion of the object, extracting a signal envelope varied by the Doppler shift from the modulation signal, and determining whether motion of the object is detected in accordance with the signal envelope.