| Overview
The Intelligent Motorola
Portable Radio Energy System (IMPRES) energy system
demonstrates an optimal energy system solution, not only for
2-way radios, but the technology can be applied to a wide
variety of portable products. It is a tri-chemistry
(nickel-cadmium, nickel-metal hydride, lithium-ion), patented
technology that was developed by our expert design team. The
primary elements of the system are an IMPRES compatible
battery and an IMPRES compatible adaptive charger. The
system incorporates the following key features:
- Battery data
storage in the battery
- "Smart" charger
with adaptive reconditioning capability
- Structured priority
communication protocol used between the battery and charger
IMPRES compatible
batteries perform "smart" battery functions:
- Monitor elapsed
time
- Record charge &
discharge current
- Monitor battery
voltage and temperature
The battery has an
expandable memory architecture that serves as a repository for
all "smart" battery data.
IMPRES compatible
chargers are designed to manage charger and battery data and
provide periodic battery "fuel gauge" recalibration.
IMPRES compatible
chargers also perform battery reconditioning:
- Automatic adaptive
reconditioning by monitoring battery usage data
- Automatic voltage
threshold reconditioning
- Manual initiation
or termination of reconditioning
Automatic reconditioning
allows maximum run time without sacrificing battery life to
unnecessary charge/discharge cycles associated with manual
reconditioning.
The IMPRES system
provides the following functions:
- Record of date of
manufacture
- Unique battery
serial number
- Date of battery
initial ("smart") use
- Periodic battery
fuel tank recalibration
- Record of battery
charge cycles: "smart", approximated, and recondition
- Record of initial
and current "fuel tank" size
- Battery
end-of-service-life indicator
IMPRES technology
can be used to enhance new products by designing the product to
provide:
- Capability to read
data over the communication bus
- Capability to
calculate and interpret battery data
- Means to display
battery data to the user
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