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:
Oct. 24, 1989
Filed:
Nov. 09, 1988
Applicant:
Inventors:
Barry C Blake, Wiltshire, GB;
David J Clarke, Wiltshire, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; G01R / ; A61B / ;
U.S. Cl.
CPC ...
324204 ; 128635 ; 324 / ; 324 711 ; 324263 ; 324445 ;
Abstract
A method of investigating the condition of biological particles, in particular the fraction of viable cells in a bacteria population involves applying a voltage and monitoring the voltage induced by magnetic induction in a detector coil. The applied voltage is of a variable frequency alternating voltage and is preferably induced in the medium through a drive coil.