Sp02 tone modulation with audible lower clamp value
AssigneeKoninklijke Philips N.V.
InventorsHarald GREINER, Wilhelm MEIER, Frank ENSLIN, Rolf NEUMANN
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Abstract
A patient monitor device includes one or more sensors which measure physiological parameters of a patient, a controller which controls an audio source to generate an audible tone and adjust the pitch of the audible tone to indicate the measured physiological parameter according to a mapping scheme, the audio source which generates the audio tone, and an audio output device which outputs the audible tone. The mapping scheme clamping a frequency of the audible tone after reaching a predetermined threshold.
Claims16
A patient monitoring device, the device comprising:
- one or more sensors which measure physiological parameters of a patient;
- a controller which controls an audio source to generate an audible tone and adjust the pitch of the audible tone to indicate the measured physiological parameter according to a mapping scheme;
- the audio source which generates the audio tone;
- an audio output device which outputs the audible tone;
- wherein the mapping scheme clamps a frequency of the audible tone after reaching a predetermined threshold;
- wherein the controller steps the frequency of the audible tone in full-tone or half-tone increments based on the blood oxygen concentration;
- and
- wherein for each one percent change in the blood oxygen concentration the frequency is changed by a half-tone or a full-tone.
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A method for tone modulation with an audible lower clamp value, the method comprising:
- measuring physiological parameters of a patient with one or more sensors;
- generating an audible tone and adjusting the pitch of the audible tone to indicate the measured physiological parameter according to a mapping scheme;
- wherein the mapping scheme clamps a frequency of the audible tone after reaching a predetermined threshold;
- stepping the frequency of the audible tone in full-tone or half-tone increments based on the blood oxygen concentration;
- wherein for each one percent change in the blood oxygen concentration the frequency is changed by a half-tone or a full-tone.
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A method for monitoring patients, the method comprising:
- outputting a first audible tone from a first patient monitor with a first audio output device;
- outputting a second audible tone from a second patient monitor with a second audio output device, the second audio output device having a different audio characteristics than the first audio output device;
- and
- transposing the first and second audible tones such that the audible tone being produced matches the audio characteristics of the audio output device.
Dependencies are inferred from the claim text.