Non-mechanical printer operating in accordance with an electrogr

Details Non-mechanical printer operating in accordance with an electrogr Non-mechanical printer operating in accordance with an electrogr

1976-04-29

1978-02-14

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

Stylus feature

346155, 346165, G01D 1506

Patent

active

040742830

ABSTRACT:
A non-mechanical printer for use in an electrographic process comprising a drum-shaped data carrier, a recording head and a gas bearing for supporting the recording head on a cushion of gas in spaced relation to the data carrier. The data carrier is drum-shaped and the surfaces of the gas bearing which face the data carrier are correspondingly curved. The gas bearing includes porous walls for issuing pressurized gas toward the surface of the data carrier to produce the gas cushion.

REFERENCES:
patent: 3041612 (1962-06-01), Woodcock
patent: 3132328 (1964-05-01), Taylor
patent: 3835262 (1974-09-01), Moritz

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