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US 10,400,489 B1Granted
Sound-activated remote release electronic door stop
OwnerBrian Douglas Millerinventor
Life of this patent
Estimating the term…
Abstract
A remote-released door stop activated by specific sound is disclosed. With a remote detection device mounted on the door or elsewhere, a receiver can distinguish an alarm and release the door automatically to achieve closure for fire integrity and intruder prevention.
Claims10
A sound-activated remote release electronic door stop that is triggered by an alarm sound to release a propped open door during an emergency, said sound-activated remote release electronic door stop comprising:
- an electronic door stop placed at a bottom of the door near a floor and configured to prop the door open when activated, said electronic door stop comprising a body, a pair of slots cut out from a surface of the body, and a pair of engagement cogs configured to open when activated and close when an alarm detector signal is received;
- and
- a remote receiver comprising (i) an alarm detector sensor configured to detect a specific audible alarm sound and (ii) an alarm detector transmitter configured to transmit an alarm detector signal to the electronic door stop when the alarm detector sensor detects the specific audible alarm sound.
Dependencies are inferred from the claim text.