Patent ID: 11857304
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Medical technology (Instruments)
Classification: CPC A  H | IPC A  H

Claim 2:
3. A device comprising:
a first portion of an antenna on a substrate, wherein the first portion of the antenna comprises:
a first end,
a second end,
a first point at a first distance from the first end,
a second point at a second distance from the first end, and
a third point at a third distance from the first end;

a second portion of the antenna on the substrate, wherein the second portion of the antenna comprises:
a third end,
a fourth end,
a fourth point at a fourth distance from the third end,
a fifth point at a fifth distance from the third end, and
a sixth point at a sixth distance from the third end;

a transmitter having a transmitter output connected to the first portion of the antenna and to the second portion of the antenna;
a receiver having a receiver input connected to the first portion of the antenna and to the second portion of the antenna;
a first memory, storing computer-executable instructions; and
a first hardware processor, wherein the first hardware processor executes the computer-executable instructions to:
operate the transmitter to generate one or more signals;
operate the receiver to receive the one or more signals; and
determine one or more signal characteristic values of the one or more signals as received by the receiver.