Electrostatic ink jet recording device

Details Electrostatic ink jet recording device Electrostatic ink jet recording device

1996-08-30

1999-07-20

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 206

Patent

active

059261943

ABSTRACT:
An electrostatic ink jet recording device includes an ink chamber for storing therein a volume of ink containing charged toner particles, the ink chamber being provided with an ink outlet, an opposing electrode connected to a grounded node, the opposing electrode being arranged in opposition to the ink outlet with a sheet transfer route in between, a discharge electrode provided in a vicinity of the ink outlet for developing a first electric field between the discharge electrode and the opposing electrode to discharge a first quantity of charged toner particles as an ink jet, and an electrophoresis electrode for developing a second electric field between the electrophoresis electrode and the discharge electrode to have a second quantity of charged toner particles in the ink chamber migrate toward the ink outlet is provided an electric field control system is provided responsive to variations of the first and second quantities of toner particles to control a voltage signal imposed on the electrophoresis electrode.

REFERENCES:
patent: 5530464 (1996-06-01), Hiwada
patent: 5619234 (1997-04-01), Nagato et al.
Patent Abstracts of Japan, vol. 18, No. 611, p. 120, JP 06-A-234219, (Okaya Electric Ind Co. Ltd) Aug. 23, 1994.

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