Recording apparatus

Details Recording apparatus Recording apparatus

1983-02-04

1984-09-11

Truhe, J. V.

Recorders

Printing, dotting, or punching marker

G01D 1504

Patent

active

044713657

ABSTRACT:
Herein disclosed is a battery-operated, dot type recording apparatus which comprises a drive mechanism unit having its number of revolutions regulated by the output of a quartz oscillator, a circuit for connecting a d.c. power source with a meter only when a measured value is to be recorded, and delay switching means for causing the tip of a pointer of a meter to hit the recording paper at the time when that meter becomes stable. Thus, the dot type recording apparatus is so constructed of a small number of mechanical means that it can reliably operate for a long time, while having its adjustment and maintenance facilitated, with little influence from changes in circumstances.

REFERENCES:
patent: 3386378 (1967-04-01), Bradbury et al.
patent: 3531633 (1970-09-01), Johnson
patent: 3587112 (1971-06-01), Hill
patent: 3641582 (1972-02-01), Theodoridis
patent: 3883878 (1975-05-01), Bommer
patent: 3949402 (1976-04-01), Kelley et al.
patent: 4160255 (1979-07-01), Kobayashi

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