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Browse Prior Art Database

Electromechanical Interactive Display

IP.com Disclosure Number: IPCOM000084181D
Original Publication Date: 1975-Oct-01
Included in the Prior Art Database: 2005-Mar-02
Document File: 2 page(s) / 45K

Publishing Venue

IBM

Related People

Cook, AK: AUTHOR [+3]

Abstract

Operator readable prompting messages are stored on a movable tape in an electromechanical display system to interactively provide messages to the operator of a word processing system, to insure that the correct actions are taken by the operator in a prescribed sequence.

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Electromechanical Interactive Display

Operator readable prompting messages are stored on a movable tape in an electromechanical display system to interactively provide messages to the operator of a word processing system, to insure that the correct actions are taken by the operator in a prescribed sequence.

An endless tape loop 1 is wrapped about drive roller 2 and idlers 3 and 4. Loop 1 is driven by motor 8 through capstan 5 which contacts loop 1 at roller 2. Tension is maintained in loop 1 by the bias of springs 6 connected between frame 7 and roller 4. Loop 1 includes a plurality of operator prompting message words 13 consisting of letters which contrast with the medium of loop 1. The display is enclosed by a machine enclosure, not shown, and window 12 in the machine enclosure allows only one message at a time to be viewed by the operator.

Control logic 9 is responsive to machine conditions and operator inputs on lines 14. Logic 9 is also responsive to the position of loop 1 indicated by sensor 10, which reads position identifying indicia at the edge of loop 1. Logic 9 is operable to drive motor 8 until the desired message is present in window 12, as sensed by sensor 10. At this time, logic 9 causes illumination of light source 11 to display the message to the operator.

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