Reliably updating an information service message
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United States of America Patent
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-
Jan 18, 2000
Grant Date -
N/A
app pub date -
Jun 30, 1997
filing date -
Mar 7, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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 includes an update command (400, 500). The update command includes a major version number (406, 506), topic numbers associated with sub-message(s) stored in the selective call device, update data associated with each topic number for updating the sub-messages, and minor version numbers (427, 527) associated with each topic number. The major version number is incremented when a sub-message template is changed. Minor version numbers are incremented after each update. The selective call device updates a sub-message with update data only if the update command includes a current major version number and an incremented minor version number.
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