Patents by Inventor Joerg W. Zschirnt

Joerg W. Zschirnt 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: 5796339
    Abstract: A deactivation device for use in an EAS system and comprising a detection transmit means operable to transmit a detection field into a detection/deactivation area, a detecting means operable to sense a signal from an EAS tag responsive to the detection field, and a deactivating means for transmitting a deactivating field into the detection/deactivation area operable to deactivate said active EAS tag, and wherein said detection transmit means and said deactivating means use a common coil to transmit the respective fields.
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: August 18, 1998
    Assignee: Sensormatic Electronics Corporation
    Inventors: Douglas A. Drew, Joerg W. Zschirnt
  • Patent number: 5705986
    Abstract: An apparatus for automatically deactivating an electronic article surveillance tag associated with an article comprising a member for holding a bag for packaging an article having an associated electronic article surveillance tag, deactivation means positioned in relation to the member to deactivate an electronic article surveillance tag associated with an article when such article is in a bag held by the member, and detection means for detecting when a person is in the process of removing a bag from the member to actuate the deactivation means.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: January 6, 1998
    Assignee: Sensormatic Electronic Corporation
    Inventor: Joerg W. Zschirnt