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. 21, 1987
Filed:
Jan. 15, 1986
Mitsuyoshi Takauchi, Yamagata, JP;
Toshio Takeda, Yamagata, JP;
Happy Mishin Seizou Kabushiki Kaisha, Yamagata, JP;
Abstract
In the present invention, a timing pulley is moved to a start point position in which a start point switch is switched on or off by a pulse motor, the start point position is memorized in a memory of a control circuit, key codes of selected pattern selection switches are calculated, a driving step number of the pulse motor is calculated by cam position data of a selected pattern obtained by the key codes, the cam position data being previously memorized in a memory, and position data of pattern cam selected in the present time, the position data being memorized in a random access memory and a cam-follower is moved to the position of the selected pattern cam by driving the pulse motor.