Proximity sensor for a graphical user interface navigation button

A display device comprises a display screen, a graphical user interface navigation button and a proximity sensor including an infrared radiation emitter, an infrared radiation sensor and an infrared radiation source differentiator. The infrared radiation emitter emits a navigation infrared radiation...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHI-BOON ONG, SIN-HENG LIM
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS PULSE TECHNIQUE SEALS TELEPHONIC COMMUNICATION
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Beschreibung
Zusammenfassung:	A display device comprises a display screen, a graphical user interface navigation button and a proximity sensor including an infrared radiation emitter, an infrared radiation sensor and an infrared radiation source differentiator. The infrared radiation emitter emits a navigation infrared radiation. The infrared radiation sensor is positioned relative to the infrared radiation emitter to sense a reflection of the navigation infrared radiation in a navigation direction corresponding to the infrared radiation sensor. The infrared radiation source differentiator is in electrical communication with the infrared radiation sensor to provide a navigation mode signal indicative of at least one of a sensing by the infrared radiation sensor of a reflection of the navigation infrared radiation in the navigation direction corresponding to the infrared radiation sensor by a navigation object proximate the infrared radiation emitter and the infrared radiation sensor, and a sensing by the infrared radiation sensor of ambient infrared radiation emitted by an infrared radiation source other than the infrared radiation sensor.