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In this paper, we propose a wireless battery charging system which the power transfer position can be automatically moved to the optimal charging placement. The proposed charging system is based on the electromagnetic inductive power transfer technique which is a short distance power transfer system. As a result, we have successfully finished the implementation of the proposed wireless battery charging...
This paper proposes an in-vehicle power line communication (PLC) system which provides an in-vehicle communication for the video and vehicle messages transmission as a reliable alternative networking medium. The proposed in-vehicle PLC system adopts an existing in-vehicle 12-V battery power system, which means we don't need an external DC power supply for in-vehicle communication equipment to achieve...
This paper proposes a digital public address (PA) system which is capable of multi-zone and text-to-speech (TTS) broadcasting functions for campus broadcasting and language listening training/exam. The proposed digital PA system can achieve environmental broadcasting requirement which means different broadcasts for different zones at the same time. On the other hand, it cannot cause noise to other...
This paper presents an 8.69 Mvertices/s, 278 Mpixels/s, 15.7 mm2 tiled-based 3D graphics SoC HW/SW supporting OpenGL ES 1.0 running at 139 MHz. The SoC also includes embedded circuitry to monitor run time characteristics, detect bus protocol error/inefficiency, and capture bus traces at various abstraction levels with compression ratio up to 98%.
Portable mobile computing and communication applications demand low-power and low-energy with high performance. These competing demands drive SoC development. Especially, 3D graphics-intensive applications are predicted to become widely available on a variety of portable mobile devices ranging from laptops to PDAs to mobile phones. Such 3D graphics coprocessors were originally developed for home computers...
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