Patents Assigned to Kaetel Systems GMBH
  • Patent number: 11259101
    Abstract: The method of capturing an audio scene includes acquiring sounds having first and second directivities to obtain first and second acquisition signals, respectively, the first directivity being higher than the second directivity, the steps of acquiring being performed simultaneously, and both acquisition signals together representing the audio scene; separately storing the first and second acquisition signals or mixing individual channels in the acquisition signals to obtain first and second mixed signal, respectively, and separately storing the first and second mixed signals, or transmitting the first and second mixed signals or the first and second acquisition signals to a loudspeaker setup and rendering the first mixed signal or the first acquisition signal using a loudspeaker arrangement having a first directivity and simultaneously rendering the second mixed signal or the second acquisition signal using a loudspeaker arrangement having a second directivity, the second loudspeaker directivity being lower t
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: February 22, 2022
    Assignee: Kaetel Systems GmbH
    Inventor: Klaus Kaetel
  • Patent number: 10848842
    Abstract: The method of capturing an audio scene includes acquiring sounds having first and second directivities to obtain first and second acquisition signals, respectively, the first directivity being higher than the second directivity, the steps of acquiring being performed simultaneously, and both acquisition signals together representing the audio scene; separately storing the first and second acquisition signals or mixing individual channels in the acquisition signals to obtain first and second mixed signal, respectively, and separately storing the first and second mixed signals, or transmitting the first and second mixed signals or the first and second acquisition signals to a loudspeaker setup and rendering the first mixed signal or the first acquisition signal using a loudspeaker arrangement having a first directivity and simultaneously rendering the second mixed signal or the second acquisition signal using a loudspeaker arrangement having a second directivity, the second loudspeaker directivity being lower t
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: November 24, 2020
    Assignee: Kaetel Systems GmbH
    Inventor: Klaus Kaetel
  • Patent number: 10524055
    Abstract: An earphone has a membrane mounted on a membrane carrier and arranged between a top space and a bottom space; a membrane actuator implemented to deflect the membrane in dependence on a control signal; a housing where the membrane carrier, the membrane and the membrane actuator are arranged, wherein the housing has a sound exit, wherein the membrane carrier has openings, and wherein the membrane has holes, and wherein the openings and the holes connect the top space and the bottom space to each another, such that gas can move through the openings and holes between the top space and the bottom space.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: December 31, 2019
    Assignee: Kaetel Systems GmbH
    Inventor: Klaus Kaetel
  • Patent number: 10469924
    Abstract: The method of capturing an audio scene includes acquiring sounds having first and second directivities to obtain first and second acquisition signals, respectively, the first directivity being higher than the second directivity, the steps of acquiring being performed simultaneously, and both acquisition signals together representing the audio scene; separately storing the first and second acquisition signals or mixing individual channels in the acquisition signals to obtain first and second mixed signal, respectively, and separately storing the first and second mixed signals, or transmitting the first and second mixed signals or the first and second acquisition signals to a loudspeaker setup and rendering the first mixed signal or the first acquisition signal using a loudspeaker arrangement having a first directivity and simultaneously rendering the second mixed signal or the second acquisition signal using a loudspeaker arrangement having a second directivity, the second loudspeaker directivity being lower t
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: November 5, 2019
    Assignee: Kaetel Systems GmbH
    Inventor: Klaus Kaetel
  • Patent number: 10231054
    Abstract: Headphones include a left loudspeaker element; a right loudspeaker element; and a holder for holding the left loudspeaker element and the right loudspeaker element, such that the loudspeaker elements can be attached to the ears, wherein the left loudspeaker element or the right loudspeaker element includes: a first sound converter; a second sound converter, wherein the first sound converter is implemented such that the first sound converter provides directed emission in the direction of an ear in the operating position of the headphones, and the second sound converter is implemented such that the second sound converter provides no or less directed emission than the first sound converter in the direction of the ear in the operating position of the headphones.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: March 12, 2019
    Assignee: Kaetel Systems GmbH
    Inventor: Klaus Kaetel
  • Patent number: 9906863
    Abstract: Headphones include a left loudspeaker element; a right loudspeaker element; and a holder for holding the left loudspeaker element and the right loudspeaker element, such that the loudspeaker elements can be attached to the ears, wherein the left loudspeaker element or the right loudspeaker element includes: a first sound converter; a second sound converter, wherein the first sound converter is implemented such that the first sound converter provides directed emission in the direction of an ear in the operating position of the headphones, and the second sound converter is implemented such that the second sound converter provides no or less directed emission than the first sound converter in the direction of the ear in the operating position of the headphones.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: February 27, 2018
    Assignee: Kaetel Systems GmbH
    Inventor: Klaus Kaetel
  • Patent number: 9668038
    Abstract: A loudspeaker includes a longitudinal enclosure having at least one subwoofer speaker for emitting lower sound frequencies; a carrier portion on top of the longitudinal enclosure; and a speaker arrangement having individual speakers for emitting higher sound frequencies arranged in a different direction with respect to the longitudinal enclosure, wherein the speaker arrangement is fixed to the carrier portion and is not surrounded by the longitudinal enclosure.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: May 30, 2017
    Assignee: Kaetel Systems GMBH
    Inventor: Klaus Kaetel