Phase detection in an ink jet system printer of the charge ampli

Details Phase detection in an ink jet system printer of the charge ampli Phase detection in an ink jet system printer of the charge ampli

1978-06-21

1981-09-08

Hartary, Joseph W.

Recorders

Record receiver deforming

G01D 1800

Patent

active

042887968

ABSTRACT:
In an ink jet system printer of the charge amplitude controlling type, an electric current flows through an ink droplet issuance unit to ink liquid when an ink droplet is properly charged by charging means. A detection circuit is connected to the ink droplet issuance unit for detecting the electric current flowing through the ink droplet issuance unit, thereby developing a phase OK signal when a predetermined electric current is detected.

REFERENCES:
patent: 3596275 (1971-07-01), Sweet
patent: 3769627 (1973-10-01), Stone
patent: 3810194 (1974-05-01), Tokunaga
patent: 3893126 (1975-07-01), Ascoli
patent: 3969733 (1976-07-01), De Moss
patent: 4025926 (1977-05-01), Fujimoto
Lee et al., Fluid Droplet Printer, IBM Technical Disclosure Bulletin, vol. 16, No. 2, Jul. 1972, pp. 451-452.

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