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:
Jan. 01, 1980
Filed:
Apr. 14, 1977
Applicant:
Inventor:
Kazuo Ueda, Tokyo, JP;
Assignee:
Ueda Works Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128680 ; 179 / ; 181171 ;
Abstract
Device for use in measurement of blood pressure, according to the intermediate blood pressure measuring method of RIVA ROCCI, which detects negative signals of Korotkoff sound pulses comprised in asymmetrical alternating current signal waves coming from a ceramic microphone through a band pass filter and a half-wave rectifier, and indicates the presence of the Korotkoff sound after shaping the negative signals in a monostable multivibrator.