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. 11, 2004
Filed:
Apr. 11, 2001
Applicant:
Inventor:
Jin-ho Cho, Kyungsangbuk-do, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 2/500 ;
U.S. Cl.
CPC ...
H04R 2/500 ;
Abstract
A middle ear hearing aid transducer is provided. The middle ear hearing aid includes: first and second permanent magnets arranged such that the same poles face each other; a coil separated a predetermined distance from the outer surfaces of the first and second permanent magnets, and surrounding the first and second permanent magnets; a case for accommodating the first and second permanent magnets and the coil; and a vibration member for supporting the first and second permanent magnets to keep a predetermined distance between the coil and the outer surfaces of the first and second permanent magnets, and for transmitting vibrations of the first and second permanent magnets to the case.