Printer driving circuit

Details Printer driving circuit Printer driving circuit

1989-05-30

1994-01-11

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

400121, B41J 2045

Patent

active

052785823

ABSTRACT:
A driving circuit of an on-demand ink jet printer having a head with injection nozzles disposed in a matrix, wherein data is read out of a picture memory in which data of a pattern to be printed is stored at two-dimensional coordinate addresses, by using a nozzle position coordinate as a memory address, a pixel signal at each instant for each nozzle is fed to a piezo driving signal generation circuit directly from the picture memory, thereby realizing a simple method to compensate for different locations of the individual nozzles.

REFERENCES:
patent: 3578129 (1971-05-01), Kato et al.
patent: 4320406 (1982-03-01), Heinzl
patent: 4344079 (1982-08-01), Chambors
patent: 4515487 (1985-05-01), Minami
patent: 4675696 (1987-06-01), Suzuki
patent: 5102244 (1992-04-01), Takeda

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