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:
Dec. 06, 1988
Filed:
Jul. 08, 1985
Applicant:
Inventor:
Fritz Hueber, Vienna, AT;
Assignee:
Viennatone Gesellschaft m.b.H., Vienna, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R / ; H03G / ;
U.S. Cl.
CPC ...
381 684 ; 34082568 ; 34082575 ; 381105 ; 455352 ; 455355 ;
Abstract
A hearing aid comprises a microphone, a battery-operated earphone, and amplifying circuit connected to the microphone output, the amplifying circuit including a frequency-selective circuit component and a sound level adjustment circuit component connected to the frequency-selective circuit component, and a remote sound wave control signal emitter circuit separate from the microphone, earphone and amplifying circuit and emitting sound wave control signals within the range of the microphone input.
Quick Actions:
Hueber, Fritz. (1988). Remote hearing aid volume control (U.S. Patent No. 4790019). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4790019
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile