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.:
Date of Patent:
Jan. 28, 2014
Filed:
Feb. 04, 2011
Hiroshi Takeuchi, Tokyo, JP;
Koji Takatori, Tokyo, JP;
Yasuyuki Fukashiro, Yokohama, JP;
Kohei Mandai, Tokyo, JP;
Hidemasa Narita, Yokohama, JP;
Hiroshi Takeuchi, Tokyo, JP;
Koji Takatori, Tokyo, JP;
Yasuyuki Fukashiro, Yokohama, JP;
Kohei Mandai, Tokyo, JP;
Hidemasa Narita, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A transmission system is provided in a synchronous network, for establishing synchronization with a degree of precision and at a speed being comparable levels as a conventional technique, and further decreasing the probability of out-of-synchronization occurrence. In the present invention, a synchronization signal is detected without performing error correction until synchronization is established, and after the synchronization is established, it is monitored whether or not out-of-synchronization occurs, according to the synchronization signal that has been subjected to the error correction.