Portable telephone system capable of simultaneously carrying...

Details Portable telephone system capable of simultaneously carrying... Portable telephone system capable of simultaneously carrying...

2006-01-03

2006-01-03

Nguyen, Lee (Department: 2682)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S450000, C370S337000

Reexamination Certificate

active

06983152

ABSTRACT:
In a portable telephone system including a base station and a mobile station which communicate with each other by using one time divisional time slot including a high speed channel and a low speed channel, a first communication requiring the high speed channel by a first calling party from the base station to the mobile station and a second communication not requiring the high speed channel by a second party from the base station to the mobile station are carried out simultaneously by using the high speed channel and the low speed channel, respectively.

REFERENCES:
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patent: 5802469 (1998-09-01), Nounin et al.
patent: 6111870 (2000-08-01), Kurtz
patent: 6317598 (2001-11-01), Wiesen et al.
patent: 6532364 (2003-03-01), Uchida et al.
patent: 6539010 (2003-03-01), Hagerman et al.
patent: 6-205129 (1994-07-01), None
patent: 6-50523 (1994-12-01), None
patent: 9-200854 (1997-07-01), None
patent: 2000-13858 (2000-01-01), None

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