The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 04, 1997
Filed:
Apr. 19, 1995
Ye Aung, Komaki, JP;
Yuji Matsubara, Nagoya, JP;
Colin Corporation, Aichi-ken, JP;
Abstract
An apparatus is provided for measuring a respiration rate of a living subject, including a pulse rate measuring device which iteratively determines a pulse rate of the subject based on a pulse wave continuously produced from a peripheral portion of the subject; a systolic blood pressure measuring device which iteratively determines a systolic blood pressure of the subject based on a magnitude of a pressure pulse wave continuously produced from an arterial vessel of an extremity of the subject; a calculating device for iteratively calculating a product of two or more factors which include one of the iteratively determined pulse rates and one of the iteratively determined systolic blood pressures; and a respiration rate determining device for determining a respiration rate of the subject based on a period of a cyclic change of the iteratively calculated products. An apparatus is also provided for measuring a respiration rate of a living subject, including a pulse wave detecting device which detects a pulse wave continuously produced from the subject; a waveform evaluating device for iteratively providing an evaluated value of a waveform of the detected pulse wave; and a respiration rate determining device for determining a respiration rate of the subject based on a period of a cyclic change of the evaluated values iteratively provided by the waveform evaluating device.