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:
Nov. 24, 2009
Filed:
Dec. 22, 2004
Joseph C. Lee, Riverside, CA (US);
Joseph C. Lee, Riverside, CA (US);
Other;
Abstract
A voice communication unit for communicating though a barrier includes an outer audio unit including an outer voice sensing device and an outer voice reproducing device, an inner audio unit including an inner voice sensing device and an inner voice reproducing device, and a signal processing unit which connects the inner/outer audio units and includes a extraneous-sound reducing unit. The input/output sound paths respectively from the outer voice sensing/reproducing devices are separated by a predetermined distance to minimize the interference. In addition to the noise elimination, the invention provides a voice communication unit with weatherproofness by adjusting the size of and disposing the openings for the sound paths. The voice communication unit can be adapted to a two-way communication channel that carry information in both directions, but not at the same time, or to a two-way communication channel that carry information in both directions at the same time.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile