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:
Dec. 16, 1986
Filed:
May. 06, 1985
Applicant:
Inventor:
Karl J Erb, Gossau, CH;
Assignee:
Mettler Instruments AG, Greifensee-Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01G / ; G01G / ;
U.S. Cl.
CPC ...
177 47 ; 177245 ; 364567 ;
Abstract
An electronic scale controlling a material feed generates a control signal as the material fed approaches a desired weight. An acoustic tone signal varying in accordance with the control signal and reaching a limiting value when the control signal signifies a zero difference between actual weight and desired weight lets an operator know that desired weight has been achieved.
Erb, Karl. (1986). Electrical balance with acoustic feedback signal for manual dosing or (U.S. Patent No. 4629018). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4629018
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