A security detector

A security detector

A security detector adapted to be provided on an electronic device and to detect the distance from a user to the electronic device. The security detector includes an image sensor and a controller, and the image sensor includes a lens and an image sensing unit. The lens is used to receive an image li...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LIU, QIAN-YU, WANG, SU-HUA, WEN, CHING-WEN, CHENG, CHI-TENG, CHEN, CHIA-MAO, CHEN, YU-HSIANG, PING, CHING-HSIANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung:A security detector adapted to be provided on an electronic device and to detect the distance from a user to the electronic device. The security detector includes an image sensor and a controller, and the image sensor includes a lens and an image sensing unit. The lens is used to receive an image light containing the user, and the image sensing unit captures an image containing the user from the image light. The controller electrically connects the image sensor, wherein the controller generates a warning signal according to the user's proportion of the pixels within the image.