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.:

US 9252877 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 02, 2016

Filed:

Sep. 05, 2014
Applicants:

Joseph C. Lee, Riverside, CA (US);

Timothy Lee, Riverside, CA (US);

Inventors:

Joseph C. Lee, Riverside, CA (US);

Timothy Lee, Riverside, CA (US);

Assignee:

Other;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 10/114 (2013.01); H04M 1/247 (2006.01); H04L 5/14 (2006.01); H04R 23/00 (2006.01);
U.S. Cl.
CPC ...
H04B 10/1143 (2013.01); H04L 5/14 (2013.01); H04M 1/2475 (2013.01); H04R 23/008 (2013.01);
Abstract

A voice communication unit for communicating through a barrier is provided, enabling handicapped persons to use the device, and comprising an outer audio unit, an inner audio unit, an outer audio frequency modulation loop, and an infrared audio frequency transmitter. The outer audio unit comprises an outer voice sensing device configured for sensing voice at an outer side and generating voice signals for an inner side and an outer voice reproducing device configured for reproducing voice at the outer side from voice signal from the inner side. The outer audio frequency modulation loop is configured for activating and delivering the voice signals to an external hearing aid device having a Telecoil. The infrared audio frequency transmitter is configured for activating and delivering the voice signals to an external hearing aid device having an infrared detector.


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