WIRELESS COMMUNICATION DEVICE AND ABNORMALITY DETECTION METHOD

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United States of America Patent

APP PUB NO 20170302389A1
SERIAL NO

15468426

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A wireless communication device includes: a transmitting circuit that is connected to an antenna and includes a power amplifier that amplifies an input signal; a receiving circuit that is connected to the antenna and includes a switch that switches as to whether or not a signal is received; and a processor that executes a process including: acquiring timing information that indicates timing of a guard period when no signal is transmitted or received by the antenna; turning on the power amplifier and turning on the switch in the guard period based on the acquired timing information to input a noise signal of the transmitting circuit that is amplified by the power amplifier to the receiving circuit; measuring electrical power of a signal that is output from the receiving circuit in the guard period; and determining abnormality of the receiving circuit based on the measured electrical power.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
FUJITSU LIMITEDKAWASAKI18294

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adachi, Akifumi Kawasaki, JP 5 17
Hayasaka, Kouichi Sendai, JP 2 67
Kobayashi, Shinichiro Yokohama, JP 35 226
Matsubara, Satoshi Kawasaki, JP 78 272
MORITA, Junya Yokohama, JP 23 22
Nishikawa, Takuro Yokohama, JP 5 3
OHBA, Takeshi Yokosuka, JP 51 513
Satou, Shunsuke Sendai, JP 1 0
Seino, Yasushi Kawasaki, JP 7 23
YOSHIDA, HIRO Kawasaki, JP 5 44

Cited Art Landscape

Patent Info (Count) # Cites Year
 
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1)
* 2016/0285,669 WIRELESS COMMUNICATION DEVICE AND MALFUNCTION DETERMINING METHOD 0 2016
 
InterDigital Technology Corporation (1)
* 2004/0252,782 Method and system for suppressing carrier leakage 3 2003
* Cited By Examiner

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