Plug-type hearing device

Details Plug-type hearing device Plug-type hearing device

1977-08-03

1979-01-09

Stellar, George G.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

179182R, 181135, H04R 110, H04R 2502

Patent

active

041339843

ABSTRACT:
A plug-type hearing device comprising a sound-leading portion being inserted into the auditory miatus, a first envelope attached around the sound-leading portion, a second envelope being positioned at the outside of the auditory miatus and being communicated with the first envelope through a pipe, and a holding means for holding an expanded state of the first envelope when the volume of the latter is increased, wherein the volume of the second envelope is decreased to increase the volume of the first envelope by the pressure of a fluid contained inside, and the expanded first envelope is closely contacted with the wall surface of the auditory miatus.

REFERENCES:
patent: 2803247 (1957-08-01), Zwislocki
patent: 2824558 (1958-02-01), Michael et al.
patent: 3080011 (1963-03-01), Henderson
patent: 3110356 (1963-11-01), Mendelson
patent: 3505999 (1970-04-01), Harvey et al.
patent: 3602654 (1971-08-01), Victoreen
patent: 4006796 (1977-02-01), Coehorst

Affiliated with

Also associated with

Rating

Plug-type hearing device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Plug-type hearing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Plug-type hearing device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1789606