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:
Jul. 26, 1977
Filed:
Jan. 03, 1975
Applicant:
Inventor:
Dennis J Knowlton, Laramie, WY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
318562 ; 318 16 ; 343225 ;
Abstract
A pulse code modulation communication system adapted in a preferred embodiment to the remote control of a flying model aircraft. The positions of the various control sticks are represented by a digital code which is multiplexed and then transmitted via pulse code modulation of a unique subcarrier signal. The unique subcarrier signal is locked onto by the receiver which, through correlation detection, detects and demultiplexes the digital code for use by the servo motors to position the flight control surfaces of the aircraft.