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Advance Technology Integration for Wrist Computing Platform
Keywords: Wrist computing platform, circuit minitiurization, wireless monitoring
Advances in electronic packaging, low power computing, and wireless technology enable the development of an aesthetic and wearable wrist computing platform suitable for war fighters and patient health monitoring. An aesthetic, wearable, computing platform allows communication and navigation as well as wireless monitoring and storage of environmental, biometric and equipment data. The platform is based on Freescale's i.MX family of low power processors running an Android operating system. System on a chip and embedded antenna technology facilitates a modular wireless architecture. This approach incorporates multiple wireless protocols such as Zigbee 802.15.4 and Bluetooth for short range communication, as well as solutions for broad band long range communication. Previous attempts for a computing platform in this size were relegated to custom multi chip module (MCM) technology at a significantly higher cost point. This platform demonstrates circuit miniaturization using COTS available components with advanced packaging. Utilizing Endicott's CoreEZ advanced PCB technology and embedded passive components, standard in chip scale packages such as the processor and memory can be incorporated into the targeted small form factor. The watch band which is traditionally non functional is utilized as a sensor platform with novel flexible circuits and liquid crystal polymer technology. Functionality is maximized while still providing an aesthetic and useable profile. Reduced packaging size and proximity also enable lower power consumption and allows for longer usage cycles. Display and IO functionality for the wrist computing platform are achieved using an OLED display with touch controls. OLED technology is selected due to its low profile, low power consumption and its material flexibility. The wrist computing platform offers maximum functionality with novel technology with the familiarity of the Android OS. Thus, the user experience is similar to a smart phone implementation without the tethered cumbersome feel of conventional monitoring systems.
Michael Moore, Project Engineer
Impact Technologies LLC
Rochester, NY

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