Time division multiplex transmission system in which electrical

Details Time division multiplex transmission system in which electrical Time division multiplex transmission system in which electrical

1977-09-01

1979-02-13

Cooper, William C.

Communications: electrical

Land vehicle alarms or indicators

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

340183, H04J 308

Patent

active

041397371

ABSTRACT:
A time division multiplex transmission system including a central unit and a plurality of terminal units connected through a single pair of bus lines to the central unit. The central unit transmits at least a set of address and control signals sequentially to the respective terminal units and also an electric power required for operating and controlling the respective terminal units at least accompanying the address and control signals. The respective terminal units include a condenser for accumulating the electric power from the central unit so that each terminal unit corresponding to each address signal from the central unit performs any desired operation with the accumulated power and transmits a response signal depending on a result of the operation to the central unit responsive to the control signal.

REFERENCES:
patent: 3717858 (1973-02-01), Hadden
patent: 4004097 (1977-01-01), Spaulding
patent: 4053714 (1977-10-01), Long

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