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:
Mar. 11, 1986
Filed:
Sep. 24, 1984
Applicant:
Inventors:
Rembert R Stokes, Austin, TX (US);
David J Priniski, Barrington, IL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04M / ; H04R / ;
U.S. Cl.
CPC ...
1791 / ;
Abstract
A signal wrap for transducer fault isolation for use in a telephone system providing remote isolation and identification of malfunctions in end-user telephone equipment such as a handset microphone and handset receiver (earpiece speaker) with an associated sound source and sound receiver.