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. 01, 1985
Filed:
Dec. 30, 1983
Applicant:
Inventor:
Charles J Schmitz, Arlington Heights, IL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318282 ; 318466 ;
Abstract
A radio-controlled door operator system includes a reversible AC motor and lamp. Power is supplied to the motor and lamp by a pair of power control relays each having two single-pole double-throw contacts. Actuation of one relay results in clockwise rotation of the motor and lighting of the lamp. Actuation of the other relay results in counter-clockwise rotation of the motor and lighting of the lamp. Actuation of both relays results in lighting of the lamp only. Three different active operating states are thus established by the two relays.