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Wearable devices have been on the mind of the semiconductor industry for several years now. The vision was of a highly sensorized human, with electronic devices providing localized, always-available functionality for a range of applications, including medical, health and wellness, lifestyle, etc. But, has this vision panned out? Is the technology there? Was there any application-level value to begin...
In this paper, a power management system (PMS) for direct methanol fuel cell (DMFC) is proposed. The proposed PMS consists of interfaces for external devices, a controller, a DC/DC converter, a display, relay switches and current sensors. The power management algorithm is based on the experimentally obtained characteristics of a DMFC module. The proposed power management algorithm increased the running...
Two novel wireless fabric patch sensors are introduced for low energy wearable healthcare. The first is a wirelessly powered patch sensor that can be attached to a patient to capture electrocardiogram (ECG) while consuming only 12μW. By using fabric circuit board technology, the band-aid like sensor is implemented. The second wearable cardiac heathcare sensor, fabricated in the form of 4-layer compact...
More than hundred sensor devices are required to monitor various body signals. The body area network (BAN) connecting the sensor devices with the controller needs low power consumption and real-time operations, which is difficult to implement by conventional controller chips. In this paper, a low power controller chip is designed and fabricated to manage the proposed network with low power consumption...
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