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:
Jun. 16, 1987
Filed:
Jul. 17, 1986
Applicant:
Inventor:
Willie T Grant, Lakewood, CO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
236 51 ; 3403 / ; 340538 ;
Abstract
A generator/transmitter, having an IC timer with frequency changing means, generating a precoded signal and impressing said signal on a high-voltage, low frequency carrier wave, said signal being transported to remote receiver means by said carrier wave, said receiver means, having variable code validating means, demodulates, validates, amplifies, rectifies, and temporarily stores said signal on capacitor means to operate relay means and/or IC timer means of a second generator/transmitter, said relay means operating fuel control means of a heating/cooling device or control means of rotatable closure means in a duct network of said heating/cooling device.