Invention Grant
- Patent Title: System clock monitoring apparatus and motor control system
- Patent Title (中): 系统时钟监控装置及电机控制系统
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Application No.: US13153014Application Date: 2011-06-03
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Publication No.: US08638154B2Publication Date: 2014-01-28
- Inventor: Katsuyuki Imamura , Kosei Fujisaka
- Applicant: Katsuyuki Imamura , Kosei Fujisaka
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2008-312231 20081208
- Main IPC: H03K5/22
- IPC: H03K5/22 ; H03L7/00
Abstract:
A mode determination circuit is configured to determine whether there is a status change of the electric system associated with a frequency variation of a system control clock, and a clock change circuit is configured to change the system control clock from a system clock to a monitoring clock based on a determination result obtained by the mode determination circuit.
Public/Granted literature
- US20110234137A1 SYSTEM CLOCK MONITORING APPARATUS AND MOTOR CONTROL SYSTEM Public/Granted day:2011-09-29
Information query
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