Grouped stylus electrostatic recording head

Details Grouped stylus electrostatic recording head Grouped stylus electrostatic recording head

1976-09-24

1978-05-30

Lucas, Jay P.

Recorders

Electric recording

Electrochemical

346163, G03G 15044

Patent

active

040926508

ABSTRACT:
An electrostatic recording device for the recording of grey shades which are obtained by variation of the number of image dot elements per image dot. Each pin-shaped recording electrode consists of several sub-electrodes which are electrically insulated with respect to each other and which are divided into groups. Each of these groups is separately electrically switchable.

REFERENCES:
patent: RE26212 (1967-05-01), Johnson
patent: 2716826 (1955-09-01), Huebner
patent: 2830867 (1958-04-01), Kohn
patent: 2918580 (1959-12-01), Howell
patent: 3119919 (1964-01-01), Pratt
patent: 3354817 (1967-11-01), Sakurai
patent: 3380069 (1968-04-01), Hojo
patent: 3626422 (1971-12-01), Lloyd

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