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:
Aug. 12, 2014
Filed:
Mar. 29, 2012
Applicants:
David W. Wallis, Decatur, GA (US);
James R. West, Lawrenceville, GA (US);
Inventors:
David W. Wallis, Decatur, GA (US);
James R. West, Lawrenceville, GA (US);
Assignee:
Motorola Solutions, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An isolation apparatus and method are provided for bi-directional communication over a single wire link without circuit latch up. The isolation is provided by two identical but independent switching circuits designed to eliminate latch up while controlling two optical isolators in a bi-directional mode of operation.