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:
May. 31, 1977
Filed:
Nov. 14, 1975
Applicant:
Inventors:
Rene Domig, Kusnacht, CH;
Erich Weidmann, Kleinandelfingen, CH;
Assignee:
Aktiengesellschaft Gebruder Loepfe, Wetzikon, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ; G01N / ; D01H / ;
U.S. Cl.
CPC ...
324 32 ; 28 64 ; 73160 ;
Abstract
The present invention relates to monitoring devices of the type making use of the principle that frictional contact between two bodies gives rise to electrical charges or voltages on the bodies. The monitoring device of the invention comprises yarn guiding means, at least one signal electrode and at least one ground electrode. Means are provided for generating yarn travel signals exhibiting improved continuity and a high signal-to-noise ratio.