Horology: time measuring systems or devices – Time interval – Electrical or electromechanical
Reexamination Certificate
2005-08-16
2005-08-16
Yan, Ren (Department: 2854)
Horology: time measuring systems or devices
Time interval
Electrical or electromechanical
C702S177000, C702S187000
Reexamination Certificate
active
06930960
ABSTRACT:
An execution time measurement device in a control unit comprising a free running counter to be updated according to time, means to push stack for working out stack data from the time-of-day value of the free running counter at the time of activation and for pushing it, means to memorize data structure of stack for memorizing the pushed stack data structure, and means to pull stack for calculating the execution time of control operation based on the time-of-day value of the free running counter upon termination of the control operation and the stack data pulled from the means to memorize data structure of stack.
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Road vehicles—Open interface for embedded automotive applications—Part 3: OSEK/VDX Operation System (OS); ISO 200 pp. i-58.
Hitachi , Ltd.
Yan Ren
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