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:
Apr. 30, 1991
Filed:
Apr. 12, 1989
Volkhard Seiffert, D-3000 Hannover 1, DE;
Gerd Ihlenfeld, D-3000 Hannover 1, DE;
Klaus Bienert, D-3000 Hannover 1, DE;
Other;
Abstract
An apparatus for determining the percentages of individual components of a mixture having at least two components of different electrical conductivities, the apparatus having at least two sensors connectable across an a.c. voltage source, and being arranged such that the mixture being introducible therebetween, wherein each sensor has a pin electrode having a first sensing surface for electrical contact with the mixture, and a plate electrode having a second sensing surface electrically insulated from the mixture, wherein the area of the second sensing surface is larger than the area of the first sensing surface; the pin electrode and the plate electrode of each sensor are each connected to the same potential of the voltage source.