An acoustic sensor attached to a medical patient can non-invasively detect acoustic
vibrations indicative of physiological parameters of the medical patient and produce an …

Respiratory rate can be calculated from an acoustic input signal using time domain and
frequency domain techniques. Confidence in the calculated respiratory rate can also be …

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A plethysmographic respiration processor is responsive to respiratory effects appearing on a
blood volume waveform and the corresponding detected intensity waveform measured with …

This disclosure describes, among other features, systems and methods for using multiple
physiological parameter inputs to determine multiparameter confidence in respiratory rate …

Respiratory rate can be calculated from an acoustic input signal using time domain and
frequency domain techniques. Confidence in the calculated respiratory rate can also be …

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US8352004B2 - Medical sensor and technique for using the same - Google Patents
US8352004B2 - Medical sensor and technique for using the same - Google Patents Medical …

A plethysmographic respiration processor is responsive to respiratory effects appearing on a
blood volume waveform and the corresponding detected intensity waveform measured with …