Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-01-09
2007-01-09
Ferguson, Keith (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S435200, C455S435300, C455S550100, C455S414300, C455S414100, C455S403000, C455S422100, C379S433010
Reexamination Certificate
active
11084891
ABSTRACT:
When a radio communication is made between a predetermined base station and a communication terminal, the communication terminal is allowed to make a communication if a predetermined registration processing is made. If the above registration processing is not executed, then predetermined functions other than a communication function of the communication terminal are limited. Moreover, when a predetermined operation mode is set by an operation means, at least a transmission processing at a radio communication means is stopped and an execution of predetermined functions other than the radio communication processing is not restricted. Thus, when a communication terminal apparatus incorporates therein other functions than an audio reproducing function, operation of such function can be limited properly. Moreover, when other functions such as an audio reproducing function are incorporated into a communication terminal apparatus, operations of the functions thus incorporated can be limited properly and the communication functions can be stopped properly.
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Hino Ichiro
Hirota Katsumi
Matsuno Koichi
Okazaki Shinji
Takagaki Hirokazu
Ferguson Keith
Lerner David Littenberg Krumholz & Mentlik LLP
Sony Corporation
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