06931266 is referenced by 49 patents and cites 8 patents.

A cellular phone in which a data storage means can be installed while meeting the requirements for a compact and lightweight design, imposed on the cellular phone, different types of batteries are selectively used on the basis that a battery used in the cellular phone is removable. That is, when a data storage means is to be additionally provided in the cellular phone, a battery having such a specially designed structure that can be installed together with a data storage memory in the cellular phone, is used with the cellular phone. When the cellular phone should preferentially be compact and lightweight, a standard battery conforming to the compact design requirement is used with the cellular phone.

Title
Cellular phone in which memory is removably installable due to the removability of battery, and battery recharger capable of supporting date write to cellular phone memory
Application Number
9/811776
Publication Number
6931266 (B2)
Application Date
March 20, 2001
Publication Date
August 16, 2005
Inventor
Noboru Kagemoto
Yokohama
JP
Shozo Miyagawa
Yokohama
JP
Hideki Miyoshi
Yokohama
JP
Agent
Morgan Lewis & Bockius
Assignee
Rohm
JP
IPC
H04B 001/00
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