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. 25, 1990
Filed:
Jul. 13, 1989
Yoshifumi Nishizawa, Nagoya, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A sewing machine speed control device comprising: memory means for storing speed data representing the sewing speeds suitable for various types of sewing machines, sewing-machine-type selecting means for selecting a desired one of the various types of sewing machines and providing a sewing-machine-type selection signal for the selected type of sewing machine, data selecting means for reading the speed data of the selected type of sewing machine from the memory means in response to the sewing-machine-type selection signal, and speed control means for controlling the sewing speed of the selected sewing machine according to the speed data outputted by the data selecting means.