Browse Prior Art Database

TRANSPARENT COARSE CO-ORDINATE SELECTION KEYBOARD

IP.com Disclosure Number: IPCOM000023906D
Original Publication Date: 1979-Apr-30
Included in the Prior Art Database: 2004-Apr-01
Document File: 2 page(s) / 439K

Publishing Venue

Xerox Disclosure Journal

Abstract

There are several types of known co-ordinate selection keyboard devices designed to provide coarse selection tasks, such as providing a pointing requirement. The operator of a display need only to point to the task to be selected from a plurality of tasks displayed on a display screen, for example, and the act of pointing causes the execution of the desired task, Such a device may be a light pen or stylus, or detection of the point of beam interruption in the plane of the front surface of the display and a cursor defined portion of the display.

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Page 1 of 2

XEROX DISCLOSURE JOURNAL

TRANSPARENT COARSE CO~-ORDINATE

David D~Thornburg

Proposed Classification U~S,Cl. 200/292

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Volume 4 Number 2 March/April 1979 187

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[This page contains 1 picture or other non-text object]

Page 2 of 2

TRANSPARENT COARSE CO-ORDINATE SELECTION KEYBOARD (Cont~d)

There are several types of known co-ordinate selection keyboard devices designed to provide coarse selection tasks, such as providing a pointing requirement. The operator of a display need only to point to the task to be selected from a plurality of tasks displayed on a display screen, for example, and the act of pointing causes the execution of the desired task, Such a device may be a light pen or stylus, or detection of the point of beam interruption in the plane of the front surface of the display and a cursor defined portion of the display.

A thin, transparent and flexible keyboard 1 is shown in Figure 1 which may be applied directly to the faceplate of a display, such as a CRT. The thin films used in fabrication of this keyboard are quite thin and do not interfere with the resolution of the display. The keyboard 1 comprises an array of transparent x co-ordinate conductors 2 (8 in number shown) and an array of transparent y co-ordinate conductors 3 (10 in number shown). The arrays of conductors 2 and 3 are ver...