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

Claim 19:
20. The device of claim 13, further comprising:
a resistor connecting the second end and the fourth end;
a transmitter having a first output terminal connected to the first end and a second output terminal connected to the third end;
a receiver having a first input terminal connected to the second end and a second input terminal connected to the fourth end;
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.