Analog and digital recording apparatus

Details Analog and digital recording apparatus Analog and digital recording apparatus

1975-02-03

1976-04-06

Hartary, Joseph W.

Recorders

Plural-function recorder, distinguishable recordings

Plural markers and single record receiver

346 76R, 346 79, G01D 928, G01D 1510

Patent

active

039494020

ABSTRACT:
A thermal recorder having an analog recording stylus and a digital recording head uses a stepping drive means for intermittently driving a thermally responsive recording medium past the analog recording stylus and digital recording head. The analog recording stylus is maintained in contact with the intermittently driven recording medium which the digital recording head is mounted on one end of a pivoted support arm. A solenoid is connected to the other end of the support arm and is selectively energized to bring the digital recording head into contact with the recording medium during the interval between the stepped movements of the recording medium when the recording medium is at rest.

REFERENCES:
patent: 2950159 (1960-08-01), McCulley
patent: 3476877 (1969-11-01), Perkins et al.
patent: 3605110 (1971-09-01), Southward
patent: 3754278 (1973-08-01), Borden
patent: 3754279 (1973-08-01), Valenti et al.
patent: 3757350 (1973-09-01), Filegner et al.

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