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US Patent 7801491 Wireless communication system and method

Patent 7801491 was granted and assigned to NEC Corporation on September, 2010 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 12080415 Radio-frequency systems and methods for co-localization of medical devices and patients
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Patent abstract

A wireless communication system includes: a main antenna for radiating an electromagnetic wave to wireless IC chips; a reflecting plate for reflecting the electromagnetic wave from the main antenna to the wireless IC chips; and a control unit which supports the wireless IC chips. The control unit causes a difference between the receiving electromagnetic wave levels of a direct wave from the main antenna and a reflected wave from the reflecting plate received by the antenna of the wireless IC chip.

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Patent Inventor Names
Hiroki Murayama0
Koichi Hirano0
Shigeru Hatakeyama0
Shigeru Yamazaki0
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078014910
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US Patent 11688929 Radio-frequency localization techniques and associated systems, devices, and methods
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US Patent 07801491 Wireless communication system and method US Patent 7801491 Wireless communication system and method

Infobox
Patent Number
078014910
Patent Number
78014910
Edits on 28 Sep, 2022
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Infobox
Is a
Patent
Patent
0
Current Assignee
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
078014910
Date of Patent
September 21, 2010
0
Patent Application Number
115208520
Date Filed
September 14, 2006
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078014910
Patent Primary Examiner
‌
Matthew D. Anderson
0
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07801491
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 US Patent 07801491 Wireless communication system and method

Infobox
Is a
Patent
Patent
Current assignee
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07801491
Date of patent
September 21, 2010
Patent application number
11520852
Date Filed
September 14, 2006
Patent primary examiner
‌
Matthew D. Anderson

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