Title:
SIGNAL PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/248765
Kind Code:
A1
Abstract:
The present invention enables a signal processing device used in a wireless terminal or the like to, with a simple configuration, correctly detect signals of each frequency from a communication signal including signals of multiple frequencies. A signal processing device 44 comprises: a first detection unit 4421 that detects a communication signal including signals of multiple frequencies; and a second detection unit 4422 that detects, with a polarity opposite to that of the first detection unit 4421, the communication signal from which a first signal of a first frequency has been removed, wherein the detection output of the first detection unit 4421 and the detection output of the second detection unit 4422 are combined and output.
Inventors:
MITSUGI KENICHI (JP)
NAKAMURA AKIHIRO (JP)
NAKAMURA AKIHIRO (JP)
Application Number:
PCT/JP2023/020652
Publication Date:
December 28, 2023
Filing Date:
June 02, 2023
Export Citation:
Assignee:
YOKOWO SEISAKUSHO KK (JP)
International Classes:
H04B1/00; H04B1/40; H04J1/14
Domestic Patent References:
| WO2017046978A1 | 2017-03-23 |
Foreign References:
| JPH04207802A | 1992-07-29 | |||
| JP2004166185A | 2004-06-10 |
Attorney, Agent or Firm:
SUZUKI Seigoh (JP)
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