Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Reexamination Certificate
2005-07-05
2005-07-05
Bost, Dwayne D. (Department: 2608)
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
C379S067100, C455S059000
Reexamination Certificate
active
06914965
ABSTRACT:
An apparatus and method of providing a reliable method of entering command mode and executing modem commands with a modem comprising a wireless communications channel. A wireless communications channel inserted into a standard modem configuration splits the functions of the modem between a mobile unit and a base station. When the system enters command mode, only the base station equipment changes state. The mobile unit continues to operate in the same manner as when the system is in data mode. Any command issued in command mode requiring action from the mobile unit is first sent to the base station. The base station recognizes that the command is intended for the mobile unit and sends a mobile unit-command over an independent private command channel to the mobile unit. The mobile unit constantly monitors the private channel regardless of the state of the system. The mobile unit receives the command on the private command channel, executes the command, and returns any required result code to the terminal equipment.
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Grob Matthew S.
Karmi Gadi
Bost Dwayne D.
Edmonston Brian S.
Maung Nay Aung
Miller Russell B.
Qualcomm Incorporated
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