Patents Assigned to T.R.T. Telecommunications Radioelectriques
  • Transversal digital filter for delta coded signals
    Patent number: 3968354
    Abstract: A transversal digital filter including a shift register provided with a number of stages to which level control devices are connected by means of taps, the level control devices being connected to a feedback circuit which is connected through a combination device to the input of the shift register, a delta modulator being incorporated between the combination device and the input of the shift register, and a feedback circuit associated with the delta modulator forming part of the filter.
    Type: Grant
    Filed: July 17, 1974
    Date of Patent: July 6, 1976
    Assignee: T.R.T. Telecommunications Radioelectriques
    Inventor: Gilbert Marie Marcel Ferrieu