Hearing aid
Patent 4532649 Issued on July 30, 1985. Estimated Expiration Date: 
July 3, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 3, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.InventorApplicationNo. 06/511221 filed on 07/03/1983US Classes:381/324, Component mounting381/328Ear insertExaminersPrimary: Rubinson, Gene Z.Assistant: Schroeder, L. C. Attorney, Agent or FirmInternational ClassH04R 25/02 (20060101)AbstractA hearing aid having an earplug that is inserted wholly within the auditory canal of the ear of a user to leave the concha portion of the user's ear exposed for the collection of sound waves for transmission to a microphone as located in the outermost end of the ear plug; the component parts of the hearing aid being wholly contained within the ear plug, thereby avoiding the use of the conventional exposed tubing, wiring and behind-the-ear housing which normally contains the hearing aid controls therein, a cover member being pivotally mounted on the outer surface of the earplug for concealing the controls thereon and for effecting a smooth uninterrupted outer surface that is aesthetically pleasing as located in the user's ear, and a barrier being provided in the earplug for locating the sound tube of the hearing aid in an insulated chamber to insure fidelity of sound as transmitted to the auditory canal of the user. | |
