Graphic recording system

Details Graphic recording system Graphic recording system

1977-07-28

1978-05-23

Stephan, Steven L.

Geometrical instruments

Scriber

Curved line

33 80, B43L 500, B43L 1300

Patent

active

040903010

ABSTRACT:
A graphic recorder for facilitating the preparation of records of functions of time, comprising a base on which a scale is mounted for movement along one coordinate axis relative to a markable scale on which a series of increments in a function of time to be recorded can be inscribed, a cursor is mounted on the scale for movement along a second coordinate axis relative to a preinscribed scale on which increments of time have been recorded, and a chart affixed to the base that is recorded with the scales and provided with indicia locating appropriate regions for marking significant domains in a field defined by indicial sequences inscribed in the scales on the chart aligned with the coordinate axes.

REFERENCES:
patent: 1624280 (1927-04-01), Rasmusen
patent: 2230927 (1941-02-01), Bowman et al.
patent: 3047954 (1962-08-01), Hislop
patent: 3172599 (1965-03-01), Passerini
patent: 3363319 (1968-01-01), Greer

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