Current driving circuit

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

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Details

323316, 361152, G05F 322, H01H 4732

Patent

active

046009655

ABSTRACT:
In a current driving circuit which supplies a two-terminal load with current to be inverted in accordance with input information, a current driving circuit according to the present invention comprises a load whose one-side terminal has its potential fixed, circuitry to supply a non-fixed side terminal of the load with a direct current, and circuitry to supply the non-fixed side terminal with a current having a magnitude double that of the direct current and a polarity opposite to that of the direct current, while switching it in accordance with input information. Owing to such construction, the number of terminals to be led out from the loads can be reduced, and a load current can be inverted at high speed. In addition, reliability can be enhanced because the assembling process is simplified.

REFERENCES:
patent: 3629725 (1971-12-01), Chun
patent: 4433357 (1984-02-01), Nishimura et al.
patent: 4513252 (1985-04-01), Sano

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