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:
Jun. 12, 1990
Filed:
Aug. 21, 1989
Applicant:
Inventors:
Franz-Josef Melcher, Hardegsen, DE;
Dieter Berthel, Gottingen, DE;
Gunther Maaz, Uslar, DE;
Christian Oldendorf, Gottingen, DE;
Assignee:
Sartorius GmbH, Gottingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01G / ; G01G / ; G01L / ;
U.S. Cl.
CPC ...
177 50 ; 177180 ; 73 / ;
Abstract
An electronic balance with a calibrating weight circuit and with a digital processing unit for the automatic drive of the calibrating weight circuit that includes a proximity sensor is built into the balance and that the automatic drive of the calibrating weight circuit by the digital signal processing unit be blocked as soon as the proximity sensor emits an output signal.