The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7881669 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 01, 2011

Filed:

Oct. 18, 2007
Applicants:

Hiromichi Hashizume, Tokyo, JP;

Masanori Sugimoto, Chiba, JP;

Inventors:

Hiromichi Hashizume, Tokyo, JP;

Masanori Sugimoto, Chiba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/00 (2006.01); H04B 17/00 (2006.01); H04B 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A transmitter sets a time length, determines a time point at which phases of frequency signals coincide within a range of the time length, defines a determined time point as a time reference point, aligns the phases of the frequency signals based on the time reference point, combines phase-aligned frequency, and transmits combined frequency signals to a receiver by the time length as the communication signals. The receiver receives the communication signals, extracts the phases of the frequency signals, obtains a time point at which the phases coincide, and determines an obtained time point as the time reference point.


Find Patent Forward Citations

Hashizume, Hiromichi. (2011). Time reference point information transmitting system and receiver (U.S. Patent No. 7881669). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7881669

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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