Patents by Inventor Nicolas Janaszek

Nicolas Janaszek 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).

  • Patent number: 7139394
    Abstract: To amplify low frequencies emitted in handsfree mode by a multifunction earpiece (earpiece, loudspeaker, buzzer) of a telephone handset, the earpiece being tolerant to leaks in a discreet mode of operation, a tube projects into a cavity in the casing of the handset, around an aperture through which the cavity communicates with the exterior of the casing. The handset thus includes a multifunction earpiece that is tolerant of leaks in a discreet mode of operation and provides good sound quality in handsfree mode.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: November 21, 2006
    Assignee: TCL Communication Technology Holdings Limited
    Inventors: Stéphane Dufosse, Nicolas Janaszek
  • Publication number: 20020136398
    Abstract: To amplify low frequencies emitted in handsfree mode by a multifunction earpiece (earpiece, loudspeaker, buzzer) of a telephone handset, the earpiece being tolerant to leaks in a discreet mode of operation, a tube projects into a cavity in the casing of the handset, around an aperture through which the cavity communicates with the exterior of the casing. The handset thus includes a multifunction earpiece that is tolerant of leaks in a discreet mode of operation and provides good sound quality in handsfree mode.
    Type: Application
    Filed: March 19, 2002
    Publication date: September 26, 2002
    Applicant: ALCATEL
    Inventors: Stephane Dufosse, Nicolas Janaszek