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:
Apr. 25, 2006
Filed:
Nov. 15, 2004
Eric Robb, Carol Stream, IL (US);
Richard Hill, Lake Zurich, IL (US);
William Gioia, Winfield, IL (US);
Edward Kukulski, Carol Stream, IL (US);
Eric Robb, Carol Stream, IL (US);
Richard Hill, Lake Zurich, IL (US);
William Gioia, Winfield, IL (US);
Edward Kukulski, Carol Stream, IL (US);
The Chamberlain Group, Inc., Elmhurst, IL (US);
Abstract
A barrier movement operator is having a position sensor in a telescoping barrier control arm is described. A controller, remote from the arm, senses the barrier position to identify limits of barrier travel and to control rate of travel of the barrier between limits. The operator includes both optical and edge sensor obstruction detectors and is responsive to wireless communication for receiving user initiated command signals.