Radiotelephone unit

Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation

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Details

455307, 455340, 370276, 370280, 370281, H04B 106

Patent

active

06115590&

ABSTRACT:
A radiotelephone unit for conducting time division mutiplex receiving includes a two intermediate-frequency filters provided with the same performance, and switches for switching alternately the two intermediate-frequency filters every time when a receive slot is changed. First and third receive slots are associated with one IF filter and second and fourth receive slots are associated with the other IF filter.

REFERENCES:
patent: 5548836 (1996-08-01), Taromaru
patent: 5701594 (1997-12-01), Bath et al.
patent: 5790587 (1998-08-01), Smith et al.
patent: 5966666 (1999-10-01), Yamaguchi et al.

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