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. 05, 1983
Filed:
Dec. 31, 1980
Hans-Joachim Klose, Henstedt-Ulzburg, DE;
Udo-Frank Hellmig, Pinneberg, DE;
Jungheinrich Unternehmensverwaltung KG, Hamburg, DE;
Abstract
A controller with at least one switch or a plurality of switches e.g. in the form of a power switchgroup for controlling an electric drive motor in a vehicle wherein a set point selector consists of a mask that is rigidly connected or interchangeably attached to an actuating member of the controller, the mask is adapted to provide a predetermined set point characteristic in cooperation with control elements that are connected to an input of an electronic circuit which includes a second input to which are connected means for varying a reference voltage at the output of the electronic circuit and the control range of the set point characteristic. The control elements cooperating with the mask may consist of an opto-electronic transmitter-receiver device.