Patents by Inventor Karoly C. Abraham

Karoly C. Abraham 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).

  • Communications apparatus and method for transmitting and receiving multiple modulated signals over electrical lines
    Patent number: 5351272
    Abstract: The present invention discloses an improved electrical communication apparatus which communicates high speed data/information over existing AC wiring, provides a phase linear environment for electrical transmission and reception of information on electrical wiring and provides a means for simultaneous transmission and reception of multiple data/information streams via the use of dielectric core couplers. This invention provides a means for linking 2 or more microprocessor based or electronic devices via conventional electric lines such as power lines, building wiring, twisted pair, coaxial cable or other wiring.
    Type: Grant
    Filed: May 18, 1992
    Date of Patent: September 27, 1994
    Inventor: Karoly C. Abraham