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Title:
TIME ADJUSTMENT DEVICE AND TIME ADJUSTMENT METHOD
Document Type and Number:
Japanese Patent JP2013055588
Kind Code:
A
Abstract:

To provide a time adjustment device for reducing errors of RTCs of multiple slave stations, and a time adjustment method.

The time adjustment device comprises: a first clock generation section which receives information from a satellite and generates a first clock signal on the basis of the received information; a second clock generation section which generates a second clock signal; an error detection section which detects an error between the first clock signal and the second clock signal; and an adjustment section which adjusts the second clock signal generated by the second clock generation section if the error detected by the error detection section exceeds a predetermined value amount.


Inventors:
NAKAHARA AKIRA
FUJISE TATSUJI
WATANABE YASUSHI
SATO JUN
TAKAHASHI TSUTOMU
Application Number:
JP2011193817A
Publication Date:
March 21, 2013
Filing Date:
September 06, 2011
Export Citation:
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Assignee:
JAPAN RADIO CO LTD
International Classes:
H04L7/00; G04G3/02; G04G5/00; H04W56/00
Domestic Patent References:
JPH1082875A1998-03-31
JP2006177680A2006-07-06
JP2005508005A2005-03-24
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Naoki Ofusa