Invention Grant
US08750078B2 Slave device, time synchronization method in slave device, master device, and electronic equipment system
失效
从设备，从设备，主设备和电子设备系统中的时间同步方法
- Patent Title: Slave device, time synchronization method in slave device, master device, and electronic equipment system
- Patent Title (中): 从设备，从设备，主设备和电子设备系统中的时间同步方法
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Application No.: US12693761Application Date: 2010-01-26
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Publication No.: US08750078B2Publication Date: 2014-06-10
- Inventor: Naoki Inomata
- Applicant: Naoki Inomata
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2009-033553 20090217
- Main IPC: H04J1/02
- IPC: H04J1/02
Abstract:
A slave device includes: a clock unit that outputs time information; a message receiving unit that receives messages sent from a master device; a message sending unit that sends messages to the master device; a calculation unit that calculates a correction value necessary for correcting the time on the clock unit; and a correction unit that corrects the time on the clock unit based on the correction value calculated by the calculation unit.
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