Communication system for tracking assets
First Claim
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1. A communication system comprising:
- a mobile unit generating mobile unit position signals and mobile unit message signals;
a base station wirelessly two-way coupled to said mobile unit, said base station having a GPS receiver generating base station position signals;
a master wireless modem receiving said mobile unit position signals and the mobile unit message signals; and
a base display coupled to the base station, said base display changing in response to said mobile unit position signals, said base station position signal, and the mobile unit message signals.
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Abstract
A communication system comprises a mobile unit that generates mobile unit position signals and message signals. A base station is wireless two-way coupled to the mobile unit. The base station has a GPS receiver that generates base station position signals, a master wireless modem that receives the mobile unit position signals, and the mobile unit message signals. The base station includes a base display changing in response to the mobile unit position signals and the base station position signal.
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Citations
20 Claims
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1. A communication system comprising:
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a mobile unit generating mobile unit position signals and mobile unit message signals;
a base station wirelessly two-way coupled to said mobile unit, said base station having a GPS receiver generating base station position signals;
a master wireless modem receiving said mobile unit position signals and the mobile unit message signals; and
a base display coupled to the base station, said base display changing in response to said mobile unit position signals, said base station position signal, and the mobile unit message signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 20)
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13. A method of operating a communication system comprising:
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communicating a battery life from a mobile unit to a base station;
determining a sleep time at the base station in response to the battery life;
communicating the sleep time to the mobile unit; and
controlling the mobile unit in response to the sleep time. - View Dependent Claims (14, 15)
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16. A base station comprising:
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a map display;
a master wireless modem receiving mobile unit position communication signals and mobile unit message signals, and transmitting base station message signals therethrough;
a GPS receiver generating a base station position signal; and
a microcontroller coupled to said map display, said master wireless modem and said GPS receiver, said microcontroller operating the map display in response to the mobile unit position signals, the base station position signal, and the mobile unit message signals. - View Dependent Claims (17, 18, 19)
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Specification