Pen recorder

Details Pen recorder Pen recorder

1986-03-03

1987-03-10

Hartary, Joseph W.

Recorders

Rebalancing systems

310268, 318663, 340754, 346 17, 346 50, 346139B, 346145, G01D 904, G01D 704

Patent

active

046493999

ABSTRACT:
An automatically balancing type pen recorder, which is compact in size and is highly reliable in operation, comprises an integral servo unit formed of a single printed circuit board which incorporates therein a pen carriage and an automatic balancing mechanism adapted to move a recording chart in a direction perpendicular to the direction of feed of the chart, in response to the magnitude of a measuring signal.

REFERENCES:
patent: 3787828 (1974-01-01), Hasebe
patent: 4091389 (1978-05-01), Fujita
patent: 4214250 (1980-07-01), Fujita

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