Antennas Direct, Inc.

Philips Electronics N.a. Corporation

Viamorph, Inc.

Coaxsys, Inc.

David P Koller

John Edwin Ross, Iii

Richard E Schneider

Joseph P Preschutti

David E Young

Adam Edward Powers

John Morelli

Ellwood D Nonnemocher

A reconfigurable antenna is disclosed that includes a ground plane, an electrically-conductive microstrip patch element, and a plurality of switches. The patch element is spaced-apart from the ground plane with a dielectric medium between the patch element and the ground plane. The switches are coupled between the ground plane and the patch element. The switches are openable and closable, for example, in response to a control signal from an external television device to configure the state of the reconfigurable antenna. Additional reconfigurable antenna elements are disclosed. Antenna arrays including reconfigurable antenna elements, switchable fixed elements, or a combination thereof are also disclosed.

Smart antenna systems for reception of digital television signals

Smart antenna systems suitable for reception of digital television signals

The present invention includes installing a computer network () in a building () by coupling together a hub () and a number of network adapters () together with previously installed cabling. Data signals are transmitted from the adapters () to the hub () within a first frequency range and converted to frequency-converted data signals within a second frequency range for transmission back to the adapters (). The network () interfaces to an ethernet bus () through each of the adapters ().

Networking methods and apparatus

A motion detection system compares the differences between regions in a reference frame and regions in a subsequent frame to a threshold value. A difference frame is defined containing regions indicating which of the corresponding regions in the subsequent frame exceed the threshold difference when compared to the reference frame. Target and global parameters are defined so that a cluster of regions in the difference frame which indicate above threshold differences, must be greater than the target parameter but less than the global parameter for motion to be deemed to have occurred.

Video motion detector with global insensitivity

Growing community of inventors

State College, PA, United States of America

David P Koller