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:
Jan. 15, 1991
Filed:
Apr. 14, 1989
Satomi Ikejima, Inazawa, JP;
Shigemi Iwata, Inazawa, JP;
Abstract
An apparatus for controlling an elevator adds cage moving distances per unit time by advance position calculating means at predetermined time to a reference value in parallel with the running operation of the elevator, corrects the moving distance by advance position correcting means in accordance with plate position information at the time of detecting the plate disposed in an elevator shaft in a position corresponding to a floor, and then compares the actually moved distance with the plate position information stored in a memory to obtain a cage advance floor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile