Invention Grant
- Patent Title: Time synchronization system
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Application No.: US14903771Application Date: 2014-07-01
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Publication No.: US09778679B2Publication Date: 2017-10-03
- Inventor: Kazunari Hagihara
- Applicant: TLV CO., LTD.
- Applicant Address: JP Hyogo
- Assignee: TLV Co., Ltd.
- Current Assignee: TLV Co., Ltd.
- Current Assignee Address: JP Hyogo
- Agency: The Webb Law Firm
- Priority: JP2013-144913 20130710
- International Application: PCT/JP2014/067584 WO 20140701
- International Announcement: WO2015/005183 WO 20150115
- Main IPC: G06F13/42
- IPC: G06F13/42 ; G06F1/14 ; G04G7/00 ; G04G5/00 ; G06F1/12

Abstract:
A control device 2 includes a preset time determinator 22 for determining a preset time to be set to a first real-time clock of a terminal device 3 based on a second real-time clock. The terminal device 3 includes a latency time timer 34 for clocking a lapse of a latency time which is a period of time from the terminal device 3 acquiring the preset time until the preset time being set to the first real-time clock and is calculated in a clocking accuracy having the number of effective figures greater than that of the first real-time clock, and a time setter 32 for setting the preset time to the first real-time clock when the latency time is lapsed.
Public/Granted literature
- US20160154420A1 Time Synchronization System Public/Granted day:2016-06-02
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