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:
May. 28, 1985
Filed:
Dec. 15, 1981
Applicant:
Inventors:
Hiroshi Koh, Tanaka, Sakyo-ku, Kyoto-shi, Kyoto-fu, JP;
Junichi Hirota, Takatsuki-shi, Osaka-fu, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
340 / ; 187 / ; 187 / ; 250221 ; 2502 / ; 340555 ;
Abstract
A lift control system includes a spatial filter producing a signal having various features, a discriminator for discriminating one or more features of the signal, and for producing a control signal when at least one of the features discriminated falls in a predetermined range, and active devices connected to the discriminator. The active devices are made active upon receipt of the control signal.
Koh, Hiroshi. (1985). Lift control system (U.S. Patent No. 4520343). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4520343
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile