Printer integrated driver and hammerbank

Details Printer integrated driver and hammerbank Printer integrated driver and hammerbank

1997-02-27

1998-04-28

Burr, Edgar S.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

4001572, 101 9329, B41J 2235

Patent

active

057436657

ABSTRACT:
A printer with a reciprocally moving hammerbank with a plurality of hammers thereon is disclosed including a magnet for retaining hammers on the hammerbank of the printer from a firing position. A coil overcomes the magnetism of the magnet by a circuit for reversing the magnetic field. At least a portion of the circuit comprises transistor drivers located directly on the hammerbank of the printer.

REFERENCES:
patent: 3941051 (1976-03-01), Barrus et al.
patent: 4359289 (1982-11-01), Barrus et al.
patent: 4875409 (1989-10-01), Condon et al.
patent: 5361693 (1994-11-01), Farb et al.

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