Program rewriting system and method for a portable telephone set

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7181198
APP PUB NO 20010051519A1
SERIAL NO

09878107

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention provides a portable telephone set wherein a countermeasure can be taken against a bug of software by a user without the necessity for voluntary recovery by a maker. The portable telephone set has a hardware configuration which allows a user of the portable telephone set to perform an operation of downloading a modification portion of software from the outside such as a network and rewriting the software with the same. In this instance, the rewriting is performed not for the entire memory (ROM) space of the portable telephone set, but the software is divided and disposed into different blocks of the memory (ROM) space and the rewriting is performed in a unit of a block.

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Patent Owner(s)

Patent OwnerAddress
NEC CORPORATION7-1 SHIBA 5-CHOME MINATO-KU TOKYO 108-8001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shirai, Kouji Tokyo, JP 5 85

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