Patents Assigned to Seds Systems Ltd.
  • Fluid conductivity detecting means
    Patent number: 4010715
    Abstract: An element used in determining the conductivity of fluids. An insulating tube is provided for carrying the fluid to be measured. Cylindrical electrodes surround the tube at laterally spaced positions. When a signal is applied to the electrodes, the tube and fluid act as dielectric in a capacitor. Measurement of the amount of current passed by the capacitor provides an indication of the conductivity of the fluid. Means is provided to minimize the effect of stray currents.
    Type: Grant
    Filed: June 5, 1975
    Date of Patent: March 8, 1977
    Assignee: Seds Systems Ltd.
    Inventors: James D. J. Robar, David G. Glass
  • Automatic dialing equipment
    Patent number: 3993877
    Abstract: An automatic dialer which receives address digits dialed from a telephone set and outdials a destination number. A programmable Send Only M.O.S. Memory stores a plurality of destination numbers at address locations. The dialer can be connected to a telephone line at the central office, at the subscriber's location, or anywhere on the line, to a PBX trunk, either at the PBX or the control office. The dialer can be made transparent to dialed digits upon receipt of a predetermined digit.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: November 23, 1976
    Assignee: Sed Systems Ltd.
    Inventors: Andrzej M. Sendyk, Dennis W. Johnson
  • Fluid conductivity measurement apparatus
    Patent number: 3989009
    Abstract: A fluid conductivity measurement apparatus in which the minimum conductivity of one fluid of a group of fluids is determined by comparing electrical conductivities, and the ratios of each of the conductivities to the minimum conductivity are calculated. Where cow's milk is the fluid passing through the apparatus, a determined deviant increase in ratio has been found to be evidence of a high probability of bovine mastitis.
    Type: Grant
    Filed: June 5, 1975
    Date of Patent: November 2, 1976
    Assignee: Sed Systems Ltd.
    Inventors: James D. J. Robar, David G. Glass, Almand O. Barrett