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Timer capable of recording downtime

A timer and crash technology, applied in time register, device for measuring time interval, registering/instructing machine work, etc., can solve the problem of inability to record downtime in real time, system crash, synchronous timing, etc.

Inactive Publication Date: 2007-11-28
MITAC COMP (SHUN DE) LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the timer on the market is an independent module, it cannot be connected with the test system and accurately synchronize the timing. When the system is tested for a long time, the system crashes due to external factors or the failure of the system itself, and thus cannot be used. Record correct downtime in real time
Since the timer itself has an independent battery power supply, when the system crashes, the timer will not be interrupted, so the tester cannot know the correct shutdown time

Method used

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  • Timer capable of recording downtime
  • Timer capable of recording downtime

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Embodiment Construction

[0017] Please refer to FIG. 1 , which is a schematic diagram of an embodiment of a timer capable of recording downtime according to the present invention. In order to accurately record the operation and downtime of the system, the present invention proposes a timer 100 capable of recording downtime, which can be connected to a connection port (not shown in the figure) of a system through a universal bus transmission interface 110 , and transmit the logic level of the signal sent by the system to judge whether the system is operating normally or the system is crashed due to external factors. When the system is operating normally, the timer 100 can count up the time and display the time on the display module 140 to accumulate the actual power-on hours (Power On Hour) of the system. Once the system is down or fails, the timer 100 can synchronously receive an interrupt signal and suspend timing, so as to inform the user of the time point when the system is down. The circuit and f...

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PUM

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Abstract

The invention discloses a timer to record machine working stopping time, which is characterized by the following: recording the time point of stopping system; plugging the timer on one connecting port of detecting system directly to time synchronously; recording the machine working stopping time correctly; selecting stopping time to time continuously or return to zero to time until the system restores normal operation; setting or changing the time when the timer lies in the operating time to mate the need of testing.

Description

【Technical field】 [0001] The present invention relates to a timer, and in particular to a timer capable of recording down time. 【Background technique】 [0002] The biggest function of the timer is that it can time independently and is not affected by the execution instructions. Its working principle is to accumulate once every fixed interval, so the timer can be used to calculate the test time as a system reliability demonstration test (Reliability Demonstration Test) reference value. [0003] In the accumulating timer, the signal source that triggers the accumulating is called the clock. The clock can be the working clock from its own oscillator circuit. The frequency is quite accurate and can be used as the basis for calculating the time. However, since the timer on the market is an independent module, it cannot be connected with the test system and accurately synchronize the timing. When the system is tested for a long time, the system crashes due to external factors or ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G07C3/02G04F10/00
Inventor 蔡明霓
Owner MITAC COMP (SHUN DE) LTD