US Patent No: 7,675,270

Number of patents in Portfolio can not be more than 2000

System and method for reliable information handling system and battery communication

ALSO PUBLISHED AS: 20090273312

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Abstract

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Communication between an information handling system and battery has improved reliability by repeated communications of information from the battery using different commands from the information handling system. A battery management unit responds to a first command from an information handling system by sending information stored at a first address associated with the command and then saving the first address at second address. A power manager of the information handling system sends a second command having the second address to the battery management unit. The battery management unit responds to the second command by retrieving the first address stored at the second address, retrieving information stored at the first address and sending the information to the power manager. The power manager restricts operations of the battery, such as charges or discharges, unless the information received in response to the first and second commands matches.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DELL PRODUCTS L.P.ROUND ROCK, TX2260

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tsai, Fu Sheng Northboro, MA 5 33
Wang, Ligong Round Rock, TX 46 98
Witte, Kendall C Austin, TX 19 260

Cited Art Landscape

Patent Info (Count) # Cites Year
 
POWERSMART (3)
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5,691,621 Battery pack having a processor controlled battery operating system 38 1995
5,710,501 Battery pack having a processor controlled battery operating system 34 1995
 
BATHIUM CANADA INC. (1)
6,104,967 Fault-tolerant battery system employing intra-battery network architecture 29 1997
 
ITI TECHNOLOGIES, INC. (1)
4,929,880 Electronic lock system with battery conservation features 36 1988
 
LENOVO (SINGAPORE) PTE LTD. (1)
6,009,247 Portable computer network 23 1996
 
MICROCHIP TECHNOLOGY INCORPORATED (1)
5,841,996 Serial communication interface system having programmable microcontroller for use in a battery pack 78 1995
 
NEC ELECTRONICS CORPORATION (1)
2007/0170,888 Mobile terminal device 2 2007
 
NETAIRUS TECHNOLOGIES LLC (1)
6,421,235 Portable electronic units including notebook computers, PDAs and battery operated units 50 2001
 
POWERSMART, INC. (1)
5,796,239 Battery pack having a processor controlled battery operating system 149 1997
 
POWERSTART (1)
5,633,573 Battery pack having a processor controlled battery operating system 99 1994

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