Door and window contact systems and methods that include time of flight sensors

Systems and methods that address the gap, security, and robustness limitations of known door and window contact systems and methods without increasing the overall cost thereof are provided. A system can include a time of flight sensor for mounting in or on a first portion of a window unit or a door...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	Smith Richard Alan
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING ORDER TELEGRAPHS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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