Patents Represented by Attorney Willian J. Streeter
  • Patent number: 4481644
    Abstract: Differential pulse code modulation transmission system in which the transmitter and the receiver each comprise a prediction circuit for generating a prediction signal from the transmitted DPCM-signal. This prediction circuit is in the form of two or more prediction channels 710(i) each consisting of a non-linear network 711(i) followed by a leaky integrator circuit 700(i). The inputs of these prediction channels are connected to a common input 701 and the output of each prediction channel is connected to an input of a summing device 712, which produces the desired prediction signal.
    Type: Grant
    Filed: October 18, 1982
    Date of Patent: November 6, 1984
    Assignee: U.S. Philips Corporation
    Inventor: Joseph H. Peters