Title:
SIGNAL PROCESSING CIRCUIT
Document Type and Number:
Japanese Patent JP2021074080
Kind Code:
A
Abstract:
To provide a signal processing circuit, etc. that eliminate the need of a dedicated line for transmitting a signal returned to an observation object.SOLUTION: A signal processing circuit includes a first circuit, a second circuit, an electric wire, and a third circuit. The first circuit at least includes a first input terminal that receives a first signal, and a first output terminal that outputs a second signal at least based on the first signal. The second circuit at least includes a second input terminal that receives the second signal, and a second output terminal that outputs the second signal subjected to frequency modulation. The electric wire is electrically connected to the second output terminal. The third circuit at least includes a third input terminal that receives the second signal subjected to frequency modulation, and a third output terminal that outputs the second signal demodulated to the frequency at the time of the input to the first circuit. The electric wire is further electrically connected to other parts than the second output terminal and the third input terminal.SELECTED DRAWING: Figure 1
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Inventors:
SEKIYA AKIHITO
Application Number:
JP2019201518A
Publication Date:
May 20, 2021
Filing Date:
November 06, 2019
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP
International Classes:
A61B5/318
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Satoru Asakura
Yukitaka Nakamura
Satoru Asakura