Plotter with automatic pen-changer

Details Plotter with automatic pen-changer Plotter with automatic pen-changer

1977-01-04

1979-01-16

Atkinson, Charles E.

Boots, shoes, and leggings

29568, 346139R, G06F 1546

Patent

active

041352459

ABSTRACT:
An X-Y plotter is provided having an automatic pen changer comprising a pen repository, a memory for storing data identifying a pen selected by a user, a plot head for automatically fetching pens from and depositing pens into the repository, a processing means having a routine stored in a read-only-memory for providing head-movement coordinates, and a control means for moving the head to said coordinates, the pen-changing action (fetching and depositing) being performed solely by movement of the head to said coordinates. Deposited pens are automatically capped to prevent drying-out, fetched pens are automatically uncapped prior to use.

REFERENCES:
patent: 2674513 (1954-04-01), Bowditch et al.
patent: 3709623 (1973-01-01), Stephan et al.
patent: 3744124 (1973-07-01), Gardner
patent: 3747085 (1973-07-01), Bala et al.

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