Sensor for non-invasive measurement of sound, pressure and vibra

Details Sensor for non-invasive measurement of sound, pressure and vibra Sensor for non-invasive measurement of sound, pressure and vibra

1988-12-29

1991-07-30

Jaworski, Francis

Surgery

Truss

Pad

128701, 128773, A61B 502

Patent

active

050352474

ABSTRACT:
The invention relates to a sensor (1) for non-invasive measurement of sound, pressure and vibration on the human body which features a transducer in the form of a transducer membrane (23) to achieve a very good response characteristic coupled with low weight and small size. The transducer diaphragm (23) is preferably configured as a piezoelectric foil which converts the mechanical input variables into electrical signals which can be processed by means of processor units.

REFERENCES:
patent: 3233041 (1966-02-01), Croslin
patent: 3387149 (1968-06-01), Young
patent: 3921623 (1975-11-01), Okada et al.
patent: 4220160 (1980-09-01), Kimball et al.
patent: 4947859 (1990-08-01), Brewer et al.

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