Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-11-01
2005-11-01
Tran, CongVan (Department: 2683)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S067110, C379S412000, C379S413000, C320S134000, C320S136000
Reexamination Certificate
active
06961592
ABSTRACT:
A protection circuit for a cellular telephone battery includes a first memory for storing battery identification data and a second memory associated with the telephone includes data relating to which battery type may be used by this telephone. When the battery is connected to the telephone, the battery identification data is compared to the battery type data stored in the telephone. The battery is automatically disconnected from the telephone if the two sets of data do not correspond to each other.
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Double Protection Circuit for Li-Ion Battery Pack; IBM Technical Disclosure Bulletin; Jan. 1998; p. 93; vol. 41, No. 01; IBM Corp. US.
Keusey, Tutunjian & & Bitetto, P.C.
Tran CongVan
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