Patents by Inventor Steve Kropp

Steve Kropp 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).

  • Apparatus for conducting a conference call between a wireless line and a land line using customer premise equipment
    Patent number: 6937854
    Abstract: An apparatus and method for conducting a conference call between a wireless line and a land line using customer premise equipment, where a cordless telephone device connected to the PSTN includes a wireless telephone cradle for receiving a cellular telephone. Interface circuitry residing in the cordless telephone controls operation of the cordless telephone handset and the cellular handset when positioned in the cradle and connects a first call between a user and a first party via the PSTN and a second call between the user and a second party via the wireless telephone network toward establishing a conference call among the user, the first party and the second party. Echo cancellation and suppression is provided to minimize objectionable echo between the two far end parties.
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: August 30, 2005
    Assignee: VTech Telecommunications, Limited
    Inventors: Holger Janssen, Steve Kropp
  • Apparatus for conducting a conference call between a wireless line and a land line using customer premise equipment
    Publication number: 20030157929
    Abstract: An apparatus and method for conducting a conference call between a wireless line and a land line using customer premise equipment, where a cordless telephone device connected to the PSTN includes a wireless telephone cradle for receiving a cellular telephone. Interface circuitry residing in the cordless telephone controls operation of the cordless telephone handset and the cellular handset when positioned in the cradle and connects a first call between a user and a first party via the PSTN and a second call between the user and a second party via the wireless telephone network toward establishing a conference call among the user, the first party and the second party. Echo cancellation and suppression is provided to minimize objectionable echo between the two far end parties.
    Type: Application
    Filed: January 6, 2003
    Publication date: August 21, 2003
    Inventors: Holger Janssen, Steve Kropp