Recorders – Electric recording – Electrochemical
Patent
1986-02-10
1987-09-29
Evans, Arthur G.
Recorders
Electric recording
Electrochemical
346155, G01D 1500
Patent
active
046971963
ABSTRACT:
An electrostatic recording apparatus includes a recording member having a surface on which an electrostatic latent image is formed; a recording head, to effect discharging to produce the ions; first bias voltage source for applying a bias voltage to the second electrode; second bias voltage source for applying to the third electrode a bias voltage having the same polarity as that of the bias voltage applied to the second electrodes and having an absolute voltage which is smaller than that of the bias voltage applied to the second electrode. The parameters of the means for so determined that the ions produced by the recording head and moved to the recording surface are controlled so as to provide a high resolution image. For example, the number of occurrences of effective dischargeable voltages per one charge dot is not less than 10; a distance 1 (mm) between the recording surface and the third electrode, the bias voltage Vs (V) to the third electrode, a maximum surface potential Vd (V) of the recording surface in the area opposed to the recording head satisfy the relationships,
REFERENCES:
patent: 4160257 (1979-07-01), Carish
patent: 4365549 (1982-12-01), Fotland et al.
patent: 4408214 (1983-10-01), Fotland et al.
patent: 4409604 (1983-10-01), Fotland et al.
patent: 4415403 (1983-11-01), Bakewell
patent: 4558334 (1985-12-01), Fotland
Egami Hidemi
Hosaka Akihito
Inaba Yutaka
Nagase Yukio
Satomura Hiroshi
Canon Kabushiki Kaisha
Evans Arthur G.
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