Recorders – Electric recording – Electrochemical
Patent
1976-02-02
1977-10-04
Lucas, Jay P.
Recorders
Electric recording
Electrochemical
346139C, 346165, G03G 15048, G03G 1700
Patent
active
040527140
ABSTRACT:
A recording head for electrographic recording has a plurality of electrically conducting flat plate electrodes arranged in a side-by-side electrically insulated relationship on an electrically insulating common support bar. A recording end of each electrode has a recording pin which is offset with respect to a center line of the electrode while a terminal end of each electrode has an electrical connection terminal. An air plenum is formed between the support bar and the electrodes by an adjacent cavity in each of the electrodes to allow a supply of air to be supplied to each of the electrodes. An air passage is formed by a depression in a surface of each of the electrodes extending between the air plenum and an exterior surface adjacent to the recording pin. A pair of end plates are arranged to provide an air-tight seal with the ends of the stacked electrodes and to provide hose connection means for admitting air from an air source into the air plenum.
REFERENCES:
patent: 2959636 (1960-11-01), Lemelson
patent: 3267485 (1966-08-01), Howell et al.
patent: 3429991 (1969-02-01), Ortlieb
patent: 3470563 (1969-09-01), Starr, Jr.
Burton Lockwood D.
Halista Mitchell J.
Honeywell Inc.
Lucas Jay P.
Marhoefer Laurence J.
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