| Patent Number |
Title Of Patent |
Date Issued |
| 6055413 |
System and method for including origination time and update lifetime with updateable messages |
April 25, 2000 |
| An updateable message encoder/transmitter (100) has a processor (109) for encoding messages and message updates. A message includes an origination time (191), a version number (410) and an update lifetime indicator (424), and a message update includes the origination time (191) and the v |
| 6016107 |
Reliably updating an information service message |
January 18, 2000 |
| A selective call device (130) has a receiver (204) for receiving a selective call signal including an address (312). An address correlator (214) coupled to a decoder (212) determines that the selective call signal is directed thereto and determines whether the selective call signal i |
| 5929773 |
Selective call device and method for battery saving during information services |
July 27, 1999 |
| A selective call device (130) has a receiver (204) for receiving a selective call signal including an address (312) and a topic sub-address (504) indicative of a subscribed information, a processor (212, 214) for correlating the address (312) in the selective call signal to determine |
| 5678223 |
Method and apparatus for an automatic frequency control receiver |
October 14, 1997 |
| A receiver circuit (10), and method for automatic frequency control of a receiver circuit (10) suitable for receiving a radio frequency (RF) signal, featuring determination of at least one parameter other than a frequency error of a signal which is mixed with the RF signal received by |