Radio accessory for communicating with a programmable computing

Details Radio accessory for communicating with a programmable computing Radio accessory for communicating with a programmable computing

1995-05-01

1997-07-15

Chin, Stephen

Pulse or digital communications

Receivers

375220, 455349, H04B 700

Patent

active

056489900

ABSTRACT:
A radio accessory (20) for a personal computing device (50) has a receiver (30) and an interface circuit (32) for receiving and digitizing paging signals modulated on a radio frequency carrier. The paging signals are encoded in accordance with a predetermined protocol such as POCSAG. The personal computing device (50) then decodes the digitized paging signals in accordance with software instructions provided either by the instruction memory (40) in the accessory (20) or on a disk (84). The accessory (20) also has an identification code which validates software from the disk (84) to deter unauthorized use of the accessory (20). The accessory (20) also has a transmitter (28) for sending wireless information.

REFERENCES:
patent: 4644351 (1987-02-01), Zabarsky et al.
patent: 5043721 (1991-08-01), May
patent: 5412798 (1995-05-01), Garney

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