Patents by Inventor Knud Ammitzboll

Knud Ammitzboll has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hearing aid with connecting element serving for retention in concha
    Patent number: 8416974
    Abstract: A hearing aid device has a shell that fits into the upper part of the concha of the outer ear of a hearing-impaired person, and connecting element that is held in the concha of the outer ear and terminates in an ear piece in the ear canal. The combination of the shell and the connecting element in the concha retain the hearing aid in the outer ear.
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: April 9, 2013
    Assignee: Siemens Audiologische Technik GmbH
    Inventors: Knud Ammitzboll, Mark Balke, Uwe Rass
  • Hearing aid with sound tube serving for retention in concha
    Patent number: 7856111
    Abstract: A hearing aid device has a custom-fit shell that fits into the helix lock area of the outer ear of a hearing-impaired person, and an RIC tube that is held in the concha of the outer ear and terminates in the ear canal. The combination of the custom-fit shell and the RIC tube in the concha retain the hearing aid in the outer ear.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: December 21, 2010
    Assignee: Siemens Audiologische Technik GmbH
    Inventors: Mark Balke, Uwe Rass, Knud Ammitzboll
  • Hearing Aid with Connecting Element Serving for Retention in Concha
    Publication number: 20090202094
    Abstract: A hearing aid device has a shell that fits into the upper part of the concha of the outer ear of a hearing-impaired person, and connecting element that is held in the concha of the outer ear and terminates in an ear piece in the ear canal. The combination of the shell and the connecting element in the concha retain the hearing aid in the outer ear.
    Type: Application
    Filed: October 4, 2007
    Publication date: August 13, 2009
    Inventors: Knud Ammitzboll, Mark Balke, Uwe Rass
  • Resonant peak control
    Patent number: 4689818
    Abstract: A hearing aid having a microphone, an amplifier and a receiver for delivering the amplified sound to a user's ear, in which an adjustable resonant peak control is used to shift the frequency response of the amplifier to a lower frequency range in order to reduce feedback without substantial reduction in high frequency amplification or saturation levels.
    Type: Grant
    Filed: April 28, 1983
    Date of Patent: August 25, 1987
    Assignee: Siemens Hearing Instruments, Inc.
    Inventor: Knud Ammitzboll