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:
Mar. 09, 1999
Filed:
Oct. 29, 1997
Toshiyuki Imoto, Kyoto, JP;
Imoto Machinery Co., Ltd., Kyoto, JP;
Abstract
In a hardness tester according to the present invention, an indentor is urged by an indentor spring and moves against the indentor spring when pressed against an object part of a living body. The indentor is inserted in a sleeve which is urged by a sub spring weaker than the indentor spring and moves against the sub spring when pressed against the part of the living body. A converter converts an amount of movement of the indentor into an electrical signal. A trigger generates a trigger signal when the sleeve has moved by a predetermined amount. A control unit carries out a process when receiving the trigger signal, the process including steps of: receiving the digital signal from the converter; displaying the amount of movement of the indentor on a display; storing the amount in a memory unit; calculating a difference in hardness of the part of the living body between a relaxed condition and a strained condition; and displaying the difference on the display.