Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-01-04
2005-01-04
Trost, William (Department: 2683)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S412100, C455S418000, C707S793000, C707S793000
Reexamination Certificate
active
06839568
ABSTRACT:
In a user setting information management method, when a predetermined event occurs, user setting information stored in the built-in memory of a portable telephone is read out and saved in a backup flash memory. When the predetermined event is canceled, the user setting information saved in the flash memory is written in the built-in memory of the portable telephone. The flash memory is divided into a plurality of independently erasable blocks. Each divided block is divided into a user setting information area for writing user setting information to be backed up and a block management area for writing block management information for each block. A user setting information log representing a backup order is generated as block management information for each block. Pieces of block management information of all blocks are compared every occurrence of a predetermined event to identify a block having undergone oldest backup and a block having undergone newest backup. After data in the block having undergone oldest backup is erased, data is backed up in the erased block. Block management information of the erased/backup block is written in the block having undergone newest backup. A user setting information management system is also disclosed.
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Le Danh
NEC Corporation
Scully Scott Murphy & Presser
Trost William
LandOfFree
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