US 12,241,965 B2
Frequency offset using SiGe phase shifters
Narek Rostomyan, San Diego, CA (US); Abdullah Ahsan Zaidi, San Diego, CA (US); Kenneth Ray Carroll, Huntington Beach, CA (US); and Maha Achour, Encinitas, CA (US)
Assigned to BDCM A2 LLC, Dover, DE (US)
Filed by BDCM A2 LLC, Dover, DE (US)
Filed on Jun. 2, 2021, as Appl. No. 17/337,318.
Claims priority of provisional application 63/033,497, filed on Jun. 2, 2020.
Prior Publication US 2021/0376464 A1, Dec. 2, 2021
Int. Cl. G01S 13/88 (2006.01); A61B 5/11 (2006.01); G01S 13/42 (2006.01)
CPC G01S 13/88 (2013.01) [A61B 5/1114 (2013.01); G01S 13/426 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A navigation target device for medical application, comprising:
a receive antenna configured to receive a radar transmission from a radar system, the radar transmission from an anatomical portion of a person and configured to align different locations;
a transmit antenna configured to transmit a response signal based on the received radar transmission;
a phase shifter module coupled between the receive antenna and the transmit antenna and adapted to identify the different locations; and
a controller configured to apply a first voltage of a plurality of voltages to the phase shifter module, the first voltage corresponding to a first phase shift value, and the first phase shift value enables identification of the navigation target device from one or more other navigation target devices and to identify the location of the anatomical portion of the person associated with the navigation target device,
wherein the phase shifter module is configured to apply the first phase shift value to the received radar transmission and generate the response signal corresponding to identification of the navigation target device from the one or more other navigation target devices, and
wherein the navigation target device is encapsulated in a biocompatible shell.