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:
May. 29, 1984
Filed:
Sep. 03, 1982
Applicant:
Inventor:
Mead C Killion, Elk Grove Village, IL (US);
Assignee:
Industrial Research Products, Inc., Elk Grove, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G10K / ; H04R / ;
U.S. Cl.
CPC ...
181158 ; 181129 ; 181130 ; 181160 ; 181166 ; 1791 / ; 179180 ; 1791 / ; 1791 / ;
Abstract
A microphone, particularly for hearing aid application, said microphone providing a stepped response characteristic relative to frequency wherein low frequency sounds will couple to the associated hearing aid with a restricted amount of amplification, while providing an emphasis or higher amplification for the higher frequencies in the bandwidth of interest.
Quick Actions:
Killion, Mead. (1984). Microphone with stepped response (U.S. Patent No. 4450930). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4450930
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