Electronic printer

Details Electronic printer Electronic printer

1981-09-02

1983-07-19

Griffin, Donald A.

Recorders

Markers and/or driving means therefor

Stylus feature

335213, G01D 1516, H01H 100

Patent

active

043946682

ABSTRACT:
The tracing element is carried by one vertex of an articulated parallelogram, of which the arms are constituted by thin steel or glass fibres associated with a plastics coating or matrix for damping vibrations. The arms are moved by servocontrols constituted by electromagnets with moving coils having a length less than the length of the corresponding magnet pole piece. The coils are formed from a conductor of square or rectangular cross-section in order to provide maximum packing for the turns.

REFERENCES:
patent: 2907623 (1959-10-01), Parenti
patent: 3098943 (1963-07-01), Reiches
patent: 3146056 (1964-08-01), Kampf
patent: 3310764 (1967-03-01), Kilpatrick
patent: 3950614 (1976-04-01), Anderson et al.

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