Method for reading battery status by operation system of portable computer
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United States of America Patent
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May 10, 2005
Grant Date -
May 13, 2004
app pub date -
Mar 18, 2003
filing date -
Nov 13, 2002
priority date (Note) -
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Abstract
A method for reading battery status by the operation system of a portable computer is disclosed. The portable computer is powered by a battery and has an operation system which reads the status of the battery by means of a keyboard controller in accordance with a preset time reference. The operation system reads the current system time first. The current system time is then compared with the time value when the operation system previously reads the battery status and a time difference between the current system time and the previous time of reading is obtained. The time difference is compared with the time reference. If the time difference is greater than or equal to the time reference, the operation system actually reads the battery status by means of the keyboard controller and stores the battery status in a memory of the keyboard controller. The battery status so read is fed back to the operation system. If the time difference is smaller than the time reference, the operation system simply accesses the memory and retrieves the battery status stored in the memory and feeds the battery status retrieved from the memory back to the operation system thereby saving time of actually reading the status from the battery.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- MITAC TECHNOLOGY CORP.
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Tung, Yu-Chih | Taipei, TW | 5 | 28 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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