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Patent
Hong Kong Applied Science and Technology Research Institute Company Ltd ASTRI | Date: 2010-12-29

A method for packing data over a power line communication channel is disclosed herein. The method comprises packing data into symbol body, adding a first pad in front of the symbol body to form a full symbol and determining the time instance in which the peak absolute voltage point of the AC electric power occurs. And subsequently it is to send the full symbol through the power line in a manner synchronized with the time instance aforesaid. Based on the interference condition detection, the invention allows receiver side adaptation.


Cai X.,Hong Kong Applied Science and Technology Research Institute Company Ltd ASTRI | Yan B.,Hong Kong Applied Science and Technology Research Institute Company Ltd ASTRI | Han X.,Hong Kong Applied Science and Technology Research Institute Company Ltd ASTRI
ICSICT-2010 - 2010 10th IEEE International Conference on Solid-State and Integrated Circuit Technology, Proceedings | Year: 2010

This paper presents the methodology to obtain the snapback curves and second breakdown point of an ESD stressed device through TCAD simulation. This method allows an excellent ESD simulation convergence and then good ESD prediction with a significantly reduced computation time. One 0.5um CMOS technology has been simulated for experimental support. ©2010 IEEE. Source


Leung L.,Hong Kong Applied Science and Technology Research Institute Company Ltd ASTRI | Chu S.,Hong Kong Applied Science and Technology Research Institute Company Ltd ASTRI | Ng L.,Hong Kong Applied Science and Technology Research Institute Company Ltd ASTRI | To R.,Hong Kong Applied Science and Technology Research Institute Company Ltd ASTRI | Wu E.,Hong Kong Applied Science and Technology Research Institute Company Ltd ASTRI
14th International Conference on Electronic Materials and Packaging, EMAP 2012 | Year: 2012

Optical module composed of light emitting diodes and photo-detector is the key component in measuring health information. We have developed a thin optical module with built-in EMI shield for measuring reflective blood oxygen saturation, pulse rate and breathing rate. With proper design in the shape of the encapsulation on the optical module, cross-coupling can be minimized. Also, with the new packaging design, the optical module can be easily modified for measuring blood oxygen saturation at different parts of the body. Reliability tests have been conducted on the optical module to investigate and evaluate its robustness including the shift in peak wavelength and emission power which will affect the accuracy of the pulse oximeter. © 2012 IEEE. Source

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