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Patent
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Patent
CA 2137831
2137831 9325955 PCTABS00028 A power management arrangement of a computerized portable data collection terminal includes a high speed data bus (50) which couples functional modules of the terminal via a plurality of microprocessor devices. The microprocessor devices interact to control selective activation of communication circuits to perform necessary communication or data processing functions and enter a power saving-dormant state during other times. Power savings are further realized from assigning control and monitoring functions to control processor (49) of a terminal module and data processing operations to high speed application microprocessor (48) with substantial computing power. Upon occurrence of an event requiring data processing operations, the application processor is activated, performs needed operations and is immediately deactivated to conserve power when not actively engaged in data processing functions. Typical data processing functions may include interpreting raw data from scanning operations, acting on keyboard inputs, performing data base operations and updating display screen information.
Koenck Steven E.
Miller Phillip
Norand Corporation
Smart & Biggar
LandOfFree
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