Communication system, communication terminal apparatus and...

Details Communication system, communication terminal apparatus and... Communication system, communication terminal apparatus and...

2005-06-30

2008-03-04

Feild, Joseph (Department: 2617)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S410000, C370S252000

Reexamination Certificate

active

07340215

ABSTRACT:
It was constituted such that in a case when a function of the communication terminal apparatus10is limited in response to a wireless communication state between the communication terminal apparatus10and the wireless key apparatus50, it is controlled in the wireless key apparatus50such that a communication connection with the communication terminal apparatus10is to be carried out; the function of the terminal apparatus10is to limited in the communication terminal apparatus10in a case when a predetermined communication state cannot be maintained with respect to the wireless key apparatus50and at the same time; and in a case when it is detected that the terminal apparatus10exists in a predetermined region such as in the vicinity of the apparatus10or the like, the function of the terminal apparatus10is not to be limited regardless of the communication state with respect to the wireless key apparatus50. In this manner, low power consumption can be attempted in a case when a security process of a communication terminal apparatus such as a mobile telephone terminal is carried out by a wireless communication.

REFERENCES:
patent: 7005963 (2006-02-01), Scalisi et al.
patent: 2003/0143971 (2003-07-01), Hongo et al.
patent: 2005/0170848 (2005-08-01), Sato et al.
patent: 2005/0242921 (2005-11-01), Zimmerman et al.
patent: 2006/0189334 (2006-08-01), Wakabayashi

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