Patents Assigned to Amrad Research and Development
  • Patent number: 5159761
    Abstract: An electronic level indicator, having a housing including at least one planar surface, at least one gravity responsive sensor mounted on the housing, the sensor constituting at least a part of two branches of an electronic bridge circuit, a pulse generator coupled to the bridge circuit for feeding the bridge circuit with short pulses, a differential amplifier connected to the output of the bridge circuit, an A/D converter connected in circuit for receiving signals from the amplifier and a display unit connected to the output of the converter for displaying numerical data indicative of the inclination of the planar surface.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: November 3, 1992
    Assignee: Amrad Research and Development
    Inventors: Uri Cagan, Lev Diamant, Geoffrey Goodman
  • Patent number: 5027522
    Abstract: An electronic level indicator, having a housing including at least one planar surface, a gravity responsive sensor mounted on the housing, the sensor constituting at least a part of two branches of an electronic bridge circuit, a pulse generator coupled to the bridge circuit for feeding the bridge circuit with short pulses, a differential amplifier connected to the output of the bridge circuit, an A/D converter connected in circuit for receiving signals from the amplifier and a display unit connected to the output of the converter for displaying numerical data indicative of the inclination of the planar surface.
    Type: Grant
    Filed: December 15, 1989
    Date of Patent: July 2, 1991
    Assignee: Amrad Research and Development
    Inventors: Uri Cagan, Lev Diamant, Geoffrey Goodman