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US Patent 9631920 Sensing system for verifying deadbolt engagement

Patent 9631920 was granted and assigned to Google on April, 2017 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Applicant
Google
Google
Current Assignee
Google
Google
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9631920
Date of Patent
April 25, 2017
Patent Application Number
14516524
Date Filed
October 16, 2014
Patent Citations Received
‌
US Patent 12104409 Multipoint lock
3
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US Patent 11746565 Multipoint lock assembly for a swinging door panel
‌
US Patent 11840866 Bolt mechanism with door position sensor
4
‌
US Patent D1026613 Locking device
5
Patent Primary Examiner
‌
Quang D Pham
Patent abstract

A door lock detection system is disclosed. The system includes a magnet flexibly attached to a strike plate. The strike plate includes an opening. The magnet extends across the opening of the strike plate in a first orientation when a bolt does not extend into the opening of the strike plate. The magnet is configured to be deflected from the first orientation to a second orientation, distinct from the first orientation, in response to the bolt being extended into the opening of the strike plate. The system includes a magnetometer configured to detect one or more magnetic fields of the magnet that is flexibly attached to the strike plate in the first orientation and in the second orientation.

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