Radio accessory for communicating with a programmable computing device and method therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 15, 1997
Grant Date -
N/A
app pub date -
May 1, 1995
filing date -
May 1, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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