Driver circuit for printer electromagnet

Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Systems for magnetizing – demagnetizing – or controlling the...

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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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patent: 3786314 (1974-01-01), Misch
patent: 3896346 (1975-07-01), Ule
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