Telecommunications – Transmitter and receiver at same station – With a common signal processing stage
Patent
1995-02-23
1997-01-14
Pham, Chi H.
Telecommunications
Transmitter and receiver at same station
With a common signal processing stage
455 74, 455348, 455349, 379 59, 379357, 375222, H04B 140, H04Q 732
Patent
active
055949525
ABSTRACT:
The invention relates to an assembly for radio communication containing all the electronic components necessary for radio transmission/reception, which can alternatively be connected to a device for voice communication and to a device for data communication.
The device for voice communication with the assembly (which, according to the preferred embodiment of the invention, is implemented on a reduced dimension PCMCIA integrated circuit card) plugged therein, has more or less the same dimension and the same weight of a usual cellular phone device.
When radio data transmission is desired the PCMCIA integrated circuit card is to be unplugged from the telephone handset and plugged into a data processing device properly arranged. In this way the data processing device is provided with the capability of radio transmitting and receiving data.
REFERENCES:
patent: 5423086 (1995-06-01), Cannon et al.
patent: 5448765 (1995-09-01), Kovanen et al.
patent: 5465401 (1995-11-01), Thompson
Patton, Carole, "Radio Transceiver Circuit Card Acts As Wireless Modem in PCs," Info World, p. 18, Mar. 28, 1988.
Parolo Alberto
Virtuoso Salvatore
Flynn John D.
International Business Machines - Corporation
Keohane Stephen T.
Pham Chi H.
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