Patents by Inventor Dion Ivo De Roo

Dion Ivo De Roo 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).

  • Wind noise suppression in directional microphones
    Patent number: 7260236
    Abstract: A directional microphone includes a housing, a diaphragm dividing the housing into a front volume and a back volume, electronics for detecting signals corresponding to movements of the diaphragm, and front and back inlets for the front and back volumes, respectively. To obtain additional low frequency roll-off in the directional microphone, the directional microphone includes an elongated acoustical conduit connecting the front volume and the back volume. The acoustical conduit may be external or internal to the housing.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: August 21, 2007
    Assignee: Sonionmicrotronic Nederland B.V.
    Inventors: Dion Ivo De Roo, Aart van Halteren, Bastiaan Broekhuijsen
  • Wind noise suppression in directional microphones
    Publication number: 20070019835
    Abstract: A directional microphone includes a housing, a diaphragm dividing the housing into a front volume and a back volume, electronics for detecting signals corresponding to movements of the diaphragm, and front and back inlets for the front and back volumes, respectively. To obtain additional low frequency roll-off in the directional microphone, the directional microphone includes an elongated acoustical conduit connecting the front volume and the back volume. The acoustical conduit may be external or internal to the housing.
    Type: Application
    Filed: September 28, 2006
    Publication date: January 25, 2007
    Inventors: Dion Ivo de Roo, Aart van Halteren, Bastiaan Broekhuijsen
  • Directional microphone assembly
    Patent number: 6823073
    Abstract: The present invention relates to a directional microphone assembly comprising a front and a rear microphone for compact communication devices, such as hearing aids, mobile phones etc. The present invention integrates most or all electronic processing circuits required to form a directional microphone output signal using a front and a rear microphone signal. Accordingly, the directional microphone assembly according to the present invention occupies less volume compared to traditional microphone assemblies.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: November 23, 2004
    Assignee: Sonionmicrotronic Nederland B.V.
    Inventor: Dion Ivo de Roo
  • Wind noise suppression in directional microphones
    Publication number: 20020094101
    Abstract: A directional microphone includes a housing, a diaphragm dividing the housing into a front volume and a back volume, electronics for detecting signals corresponding to movements of the diaphragm, and front and back inlets for the front and back volumes, respectively. To obtain additional low frequency roll-off in the directional microphone, the directional microphone includes an elongated acoustical conduit connecting the front volume and the back volume. The acoustical conduit may be external or internal to the housing.
    Type: Application
    Filed: January 9, 2002
    Publication date: July 18, 2002
    Inventors: Dion Ivo De Roo, Aart van Halteren, Bastiaan Broekhuijsen
  • Directional microphone assembly
    Publication number: 20010008559
    Abstract: The present invention relates to a directional microphone assembly comprising a front and a rear microphone for compact communication devices, such as hearing aids, mobile phones etc. The present invention integrates most or all electronic processing circuits required to form a directional microphone output signal using a front and a rear microphone signal. Accordingly, the directional microphone assembly according to the present invention occupies less volume compared to traditional microphone assemblies.
    Type: Application
    Filed: January 19, 2001
    Publication date: July 19, 2001
    Inventor: Dion Ivo de Roo