Other

H Don Phillips

Jacob J Norman

George D Evans, Ii

A system for monitoring physiological conditions in humans and other animals includes a transducer for monitoring such conditions as blood pressure, a monitor for displaying or recording signals from such transducers, or both, and a connector for linking the transducer to the monitor and for transforming the impedance level of signals from such transducer to levels appropriate for such monitors and for drawing and adapting power from the monitor for effecting this impedance transformation. The connector may also include a mechanism for adjusting the offset or sensitivity of the signal from the transducer, a mechanism for detecting the absence of the transducer, and a mechanism for detecting an open circuit between the monitor and the transducer. A connector may also include a device for converting power drawn from a monitor to direct current where the power drawn from the monitor is, before conversion, either sine wave or pulsed; a mechanism for regulating the current from the monitor; and a mechanism for eliminating common-mode voltage errors from the transducer signal.

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Upland, CA, United States of America

H Don Phillips