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:
Jul. 11, 1978
Filed:
Sep. 29, 1976
Gerhard Quietzsch, Bad Soden am Taunus, DE;
Bernd Greiner, Oberdorfelden, DE;
Lothar Pelz, Oberroden, DE;
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Abstract
Direct currents and alternating currents superposed upon same are measured by embracing the current conveying conductor with a prong-type meter. The jaws of the prong are provided with guide means for the current conveying conductor and with induction coils concentrically disposed with respect to the recess defined by the jaws. The prong is further provided with an electronic amplifier unit comprising an integrator for direct current, an amplifier, a filter and a rectifier for alternating current as well as means to display the measuring values. According to a special embodiment at least one jaw of the prong carries a thermometer projecting into the recess.