Pen recorder

Details Pen recorder Pen recorder

1982-10-08

1984-06-19

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

Stylus feature

346 46, G01D 930

Patent

active

044555598

ABSTRACT:
In a pen recorder for obtaining desired recording data by pushing pen means mounted to a pen holder onto recording paper, the improvement comprising:

REFERENCES:
patent: 4274102 (1981-06-01), Lum
patent: 4299031 (1981-11-01), Collins
patent: 4405931 (1983-09-01), Fujisawa

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