Bus connection detector circuit for bus connection matrix circui

Details Bus connection detector circuit for bus connection matrix circui Bus connection detector circuit for bus connection matrix circui

1977-05-09

1979-04-24

Robinson, Thomas A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340166R, H04Q 352

Patent

active

041513746

ABSTRACT:
A bus connection detector circuit used for a switching network comprising a plurality of semiconductor switch elements of PNPN semiconductor four-layered structure, which are arranged in a matrix array and adapted to conduct upon the application of a potential thereacross. A plurality of diodes are connected at their one end to horizontal and vertical buses, respectively, and connected at their other end in common to one end of a voltage regulating diode for detection of the potential of the buses, and the other end of the voltage regulating diode is connected to a voltage level sensor, thus making up a single bus connection detector circuit, so that the connection of each bus can be detected by the single bus connection detector circuit.

REFERENCES:
patent: 3054985 (1962-09-01), Mason
patent: 3390236 (1968-06-01), Lawrence
patent: 3801958 (1974-04-01), Simmons et al.

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