Drive IC for piezoelectric elements of ink jet printer

Details Drive IC for piezoelectric elements of ink jet printer Drive IC for piezoelectric elements of ink jet printer

1996-10-22

1999-04-13

Lam, Tuan T.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Converging with plural inputs and single output

327545, 347 11, 347211, B41J 2005

Patent

active

058942424

ABSTRACT:
A drive IC is provided for suitably driving piezoelectric elements of an ink jet printer. The drive IC includes a plurality of drive output pads, a plurality of data input pads for feeding plural kinds of drive data, a plurality of shift registers each connected to a corresponding one of the data input pads, a plurality of analog switches connected to each of the drive output pads, and a selecting circuit for selectively feeding one of plural kinds of drive voltages to each of the drive output pads through a selected one of the analog switches according to the drive data.

REFERENCES:
patent: 5245230 (1993-09-01), Ohri et al.
patent: 5305024 (1994-04-01), Moriguchi et al.
patent: 5444464 (1995-08-01), Endo
patent: 5455534 (1995-10-01), Motegi et al.
patent: 5642128 (1997-06-01), Inoue
patent: 5650802 (1997-07-01), Suzuki et al.

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