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. 06, 1999
Filed:
Feb. 21, 1996
Applicant:
Inventors:
Richard M Wiesman, Wayland, MA (US);
Timothy J Mason, Uxbridge, MA (US);
Assignee:
Foster-Miller, Inc., Waltham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
34031001 ; 34031007 ; 324127 ; 324126 ; 361 93 ;
Abstract
A self-powered powerline sensor includes a core layer for wrapping about an a.c. powerline; a winding layer, including of a plurality of windings to be energized by the a.c. powerline, disposed about the core layer; means for sensing a condition in or about the a.c. powerline; and means, powered by the windings, in communication with the means for sensing, for transmitting a signal representative of the sensed condition over the a.c. powerline.