Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1993-01-12
1995-06-13
Pellinen, A. D.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
307 40, 307 41, H02J 314
Patent
active
054249031
ABSTRACT:
An intelligent power switching system for controlling the electrical connection of a power source to each of a plurality of outputs, such as personal computer components or electronic entertainment equipment. Switch circuitry is coupled to relay circuitry for generating signals responsive to user commands to select an "on" or "off" state with respect to each output. A processor receives switching signals and generates control signals to effect actuation of the relays. Responsive to user programming commands, the processor stores the switching signals, their sequence and the time delay between their generation. Responsive to a subsequent abbreviated user "power-on" command, the processor generates control signals by reading the stored switching signals, their sequence and time delay, and automatically actuates the relays with respect to each output in the same order and with the same time delay as defined by the user programming commands. A "power off" command causes the relays to be actuated in the reverse order.
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Motorola Semiconductor Technical Data Sheet for the MC6804J1, no publication date provided.
Fleming Fritz M.
Pellinen A. D.
Tandy Corporation
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