Dual mode mobile telephone apparatus with user selected analog a

Details Dual mode mobile telephone apparatus with user selected analog a Dual mode mobile telephone apparatus with user selected analog a

1993-10-22

2000-05-02

Cumming, William

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455 321, H04Q 732

Patent

active

060583169

ABSTRACT:
A dual mode mobile telephone apparatus includes a transmitting/receiving portion (2, 3) for different kinds of modes, an operation portion (4) for assigning an available call mode, a call mode detection portion (13) for detecting the call mode, a call mode store portion (11) for storing a call mode, a response signal generating portion (12) for generating a response signal and changing the call mode, a call mode changing signal generation portion (14) for generating a call mode changing signal. Accordingly, the dual mode mobile telephone apparatus of the present invention is capable of changing the mode as determined by the user at any time or automatically.

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Fisher, "Dual Mode Mobile Unit for Next Generation Digital Narrow Chanel Cellular Telephone System" Sep. 1988 IEEE.
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