By Bruno Sobral, Chunhong Mao, Maulik Shukla, Dan Sullivan, Chengdong Zhang (auth.), Ana Fred, Joaquim Filipe, Hugo Gamboa (eds.)

This e-book constitutes the completely refereed post-conference complaints of the 4th overseas Joint convention on Biomedical Engineering structures and applied sciences, BIOSTEC 2011, held in Rome, Italy, in January 2011. The 27 revised complete papers offered including one invited lecture have been rigorously reviewed and chosen from a complete of 538 submissions. The papers disguise quite a lot of themes and are geared up in 4 common topical sections on biomedical electronics and units; bioinformatics versions, equipment and algorithms; bio-inspired structures and sign processing; healthiness informatics.

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Karlen et al. theme in this area is the use of general purpose consumer devices, in particular smart phones. An increasing number of health care applications use these mobile platforms to interface directly to physiological sensors, such as heart rate (HR) detectors. This reduces or eliminates the cost of custom embedded hardware. However, features such as increased noise level, limited battery and computational resources, and the requirement for on-line processing challenge the accurate, real-time detection of physiological parameters, such as HR peaks.

Finally, the digital block enables Calibration/ Noise/ Amplification CornerPower frequency VEL VREF VSGND VDC Programmable Analog Front-End VDAC 10x VA+ VA- ∑Δ-AD-Modulator 1 6 10 Decimators 12 12 bit DAC Digital Block DACControl Calibration/ Noise/ Amplification CornerPower frequency VEL VREF VSGND VDC Programmable Analog Front-End VDAC 12 bit DAC Timing & Control VA+ VA- ∑Δ-AD-Modulator 1 12 Fig. 1. Block diagram of the integrated circuit Register Control 3 Frame Count 7 I/O Interface Data Output Configurable IC for Biomedical Signal Acquisition 45 communication to and from the chip.

A reed switch contains two or more magnetizable, flexible, metal reeds hermetically sealed in a tubular glass envelope whose end portions are separated by a A Simple and Low Cost Device for Automatically Supervising Urine Output 21 small gap. Under these conditions, the switch is open (see Figure 3a). A magnetic field properly applied will cause the reeds to bend, and the contacts to pull together, thus closing the switch (see Figure 3b). A float within a structure designed to limit its movement so that the float can only move vertically is located inside of the container, near the container wall where the reed switches are placed (see Figure 2).

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