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:
Sep. 22, 2009
Filed:
Oct. 25, 2006
Dean Kamen, Bedford, NH (US);
Burl Amsbury, Boulder, CO (US);
Richard W. Arling, Windham, NH (US);
J. Douglas Field, Bedford, NH (US);
Jeffrey Finkelstein, Shelbourne, VT (US);
John David Heinzmann, Manchester, NH (US);
Christopher Langenfeld, Nashua, NH (US);
Philip Lemay, Bedford, NH (US);
John B. Morrell, Bedford, NH (US);
Jason M. Sachs, Goffstown, NH (US);
Dean Kamen, Bedford, NH (US);
Burl Amsbury, Boulder, CO (US);
Richard W. Arling, Windham, NH (US);
J. Douglas Field, Bedford, NH (US);
Jeffrey Finkelstein, Shelbourne, VT (US);
John David Heinzmann, Manchester, NH (US);
Christopher Langenfeld, Nashua, NH (US);
Philip LeMay, Bedford, NH (US);
John B. Morrell, Bedford, NH (US);
Jason M. Sachs, Goffstown, NH (US);
DEKA Products Limited Partnership, Manchester, NH (US);
Abstract
An audio alarm for a transporter having an electric motor. The alarm has a signal generator for generating a signal within the audible frequency range and a modulator for modulating a current that is applied to the electric motor in accordance with the signal generated by the signal generator.