Sensor circuit

Miscellaneous active electrical nonlinear devices – circuits – and – Specific input to output function – By integrating

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327345, G06G 742

Patent

active

059735384

ABSTRACT:
A small sensor circuit with reducible electric power consumption is formed by connecting inverting amplifiers comprised of CMOS inverters connected in an odd number of stages, in series to guarantee the linearity of the relationship between inputs and outputs, and connecting an impedance as a sensor between the inputs and outputs, or to an input.

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"Development of Tri-Axial Accelerometers Using Piezoresistance, Electrostatic Capacitance and Piezoelectric Elements", Technical Digest of the 13th Sensor Symposium, pp. 169-172, 1995.
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"A Versatile Super High Sensitivity and Low Drift Capacitive Instrumentation Amplifier by DATSH Technology", H. Okada et al., Technical Digest of the 13th Sensor Symposium, pp. 209-212, 1995.
Ernst Habekotte et al., "A Smart Digital-Readout Circuit for a Capacitive Microtransducer", IEEE Micro, 1984, pp. 44-54.

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