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Recently, wearable biomedical sensor networks which sense bio-information such as electrocardiogram and brain wave have attracted high attention. Typically, it is assumed that the biomedical sensors are communicated with base station via wire or wireless. However, in the case of wired communication, the cables for data and power transmissions are cumbersome in the biomedical sensor network. Even in...
The two-dimensional communication sensor network (2DCSN) is a novel physical form of communication that utilizes the surface as a communication medium to provide both data and power transmission services to the devices placed atop it. To enable 2DCSN to detect the position of sensor devices on the 2D communication sheet, we develop a simple and highly accurate position identifying method that maps...
We demonstrate wireless image data transmission through a mouse brain. The transmission characteristics of mouse brain is measured. By inserting electrodes into the brain, the transmission efficiency is drastically increased. An AM signal modulated with the image data from an implantable image sensor was launched into the brain and the received signal was demodulated. The data was successfully transmitted...
The two-dimensional (2D) communication is a novel physical form of communication that utilizes the surface as a communication medium to provide both data and power transmission services. To efficiently transmit a relatively-large amount of electric power (several watts), we have developed a 2D communication system that concentrates the electric power on a specific spot by using phase control of multiple...
The two-dimensional (2D) communication is a novel physical form of communication that utilizes the surface as a communication medium to provide data communication and contactless power transmission services to the devices. In the previous works, we have developed 2D communication system (2DCS) that allow the devices to simultaneously perform both data and power transmission wherever it is placed on...
The two-dimensional (2D) communication is a novel physical form of communication that utilizes the surface as a communication medium to provide data communication and power supply services to the devices placed on top of it. In the previous works, we have developed 2D communication systems that allow the devices to simultaneously perform both data and power transmission wherever it is placed on the...
The well-aligned carbon nanotube arrays (ACNTs) were used as supporting material and the γ-MnO 2 /ACNT electrode with high dispersion of γ-MnO 2 has been prepared by electrochemically induced deposition method. The crystal structure and morphology of the γ-MnO 2 /ACNT electrode were investigated by X-ray diffraction, scanning electron microscopy and transmission electron microscopy...
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