TEMPORARY KEYBOARD HAVING SOME INDIVIDUAL KEYS THAT PROVIDE VARYING LEVELS OF CAPACITIVE COUPLING TO A TOUCH-SENSITIVE DISPLAY
A physical keyboard having a plurality of individual keys temporarily overlays a touch-sensitive display. Each individual key selectively provides either of a first level of capacitive coupling and a second, different level of capacitive coupling to the touch-sensitive display. By one approach the k...
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| creator | VON HEIMBURG, FRANK MEIERLING, KLAUS-DIETER BURGHARDT, GUNTHER HEINRICH THEIMER, WOLFGANG MICHAEL TASCHKE, HEINZ HENNING |
| description | A physical keyboard having a plurality of individual keys temporarily overlays a touch-sensitive display. Each individual key selectively provides either of a first level of capacitive coupling and a second, different level of capacitive coupling to the touch-sensitive display. By one approach the key provides that first level of capacitive coupling to the touch-sensitive display when a user asserts the key (for example, by pressing upon the key) to thereby communicate to the touch-sensitive display a selection of that individual key. The key can provide that second level of capacitive coupling when a user touches, but does not assert, the individual key. So configured, this second level of capacitive coupling serves to communicate to the touch-sensitive display an input instruction other than a selection of that individual key. |
| format | Patent |
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Each individual key selectively provides either of a first level of capacitive coupling and a second, different level of capacitive coupling to the touch-sensitive display. By one approach the key provides that first level of capacitive coupling to the touch-sensitive display when a user asserts the key (for example, by pressing upon the key) to thereby communicate to the touch-sensitive display a selection of that individual key. The key can provide that second level of capacitive coupling when a user touches, but does not assert, the individual key. 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| subjects | BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS PULSE TECHNIQUE |
| title | TEMPORARY KEYBOARD HAVING SOME INDIVIDUAL KEYS THAT PROVIDE VARYING LEVELS OF CAPACITIVE COUPLING TO A TOUCH-SENSITIVE DISPLAY |
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