Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Systems for magnetizing – demagnetizing – or controlling the...
Patent
1975-12-17
1977-09-13
Duggan, Donovan F.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
Systems for magnetizing, demagnetizing, or controlling the...
323 9, H01H 4732
Patent
active
040486656
ABSTRACT:
A circuit for energizing the electromagnet of the print head of a high speed impact printer, wherein such circuit operates effectively with an unregulated supply voltage by providing energization current pulses whose level and duration are dependent on the present level of such supply voltage.
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Lia Bruno
Vigini Giorgio
Duggan Donovan F.
Elbinger Lewis P.
Honeywell Information Systems Italia
Reiling Ronald T.
Salce Patrick
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