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Tektronix 4901
Interactive Graphic Unit
Tek 4901 catalog image

Compatible with 4002

Produced from 1969 to (?)

Manuals – Specifications – Links – Pictures

The Tektronix 4901 Interactive Graphic Unit (070-1059-00) is a plug-in for the 4002 terminal that interfaces with graphic input devices which output X and Y analog signals.

It interfaces with the 4002’s auxiliary I/O connector and is housed in the 4002 console space provided for auxiliary modules.

The 4901 generates a full-screen crosshair cursor controlled by external X/Y inputs. Upon command from the computer, the T4002 keyboard, or an external graphic device, it will digitize the crosshair cursor coordinates and send them to the computer through the I/O interface unit.

Tek also offered an analog joystick controller to plug into the 4901.


Documents Referencing 4901

Document Class Title Authors Year Links
Tekscope 1970 V2 N3 Jun 1970.pdf Article Interactive Graphics 1970
History of the Information Display Division - John Lamb, June 1974.pdf Article History of the Information Display Division John Lamb 1974