Ion flow recording apparatus and liquid developing method

Details Ion flow recording apparatus and liquid developing method Ion flow recording apparatus and liquid developing method

1998-02-20

2000-05-30

Pendegrass, Joan

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347120, 347158, 399223, 399227, 399233, B41J 2385

Patent

active

060696419

ABSTRACT:
An ion flow recording apparatus performs recording making density modulation every pixel. When developing on a fine grain toner is to be performed using a liquid developer for an electrostatic latent image, a developing unit (developing roller) is disposed to face a direction of gravity. Namely, a control valve is provided on a pipe for application of a developer to the developing roller or on a joint portion between the pipe and a developer tank, developing units of different two colors are joined to their developer tank portions, and a rotary shaft is provided on the joint portion to be positioned at a point of symmetry to provide alternate use of the two developing units upon turning them. Therefore, developing for a plurality of colors can be simply performed, and such turning of the developing units enables prevention of the toner from deposition in the liquid developer during developing, thereby making it possible to perform a clear recording.

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patent: 5253023 (1993-10-01), Hosaka et al.
patent: 5367363 (1994-11-01), Kai et al.

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