Patents Assigned to RASEC Communication (Societe Anonyme)
  • Electronic data display device
    Patent number: 5404149
    Abstract: The primary interface (2) is connected to all secondary interfaces (3) by a single two-wire line (2) carrying an alternating supply current under low voltage, and control and test data in the form of pulses; each secondary interface (3) is connected to all its labels (4) by a single two-wire line (34) carrying an alternating supply current under very low voltage, and control and test data in the form of pulses; all data are transmitted using the carrier current principle.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: April 4, 1995
    Assignee: RASEC Communication (Societe Anonyme)
    Inventor: Bernard Joliey