Door knob security alarm
OwnerDimitros Dounisinventor
Life of this patent
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Abstract
The door knob security alarm is a door alarm that is uniquely adapted to rest upon a top half of a door knob, and upon movement of the door knob the security alarm shell fall off of the door knob, and emit an alarm upon impacting the ground. An alarm housing includes a concave portion along a bottom portion of said alarm housing, which is uniquely adapted for placement atop of a portion of a door handle or door knob. A motion sensor detects impact of the alarm housing with a ground surface, and shall generate an alarm that is audible. The security alarm includes the use of at least one speaker that emits an audible alarm. The alarm housing includes at least one switch on a top surface, which enables operation of the security alarm.
Claims20
A door knob security alarm comprising:
- an alarm housing specifically adapted to sit atop of an existing door knob such that when said door knob is either rotated or attempted to be rotated, said alarm housing shall fall from said door knob, and upon impact with a ground surface said alarm housing shall generate an audible alarm indicating that said door knob has been impacted.
A door knob security alarm comprising:
- an alarm housing specifically adapted to sit atop of an existing door knob such that when said door knob is either rotated or attempted to be rotated, said alarm housing shall fall from said door knob, and upon impact with a ground surface said alarm housing shall generate an audible alarm indicating that said door knob has been impacted;
- wherein the alarm housing is of hollowed construction, and further defined with a front surface, a top surface, side surfaces, and a concave portion;
- wherein the concave portion encompasses a bottom half of the alarm housing, and is specifically adapted to rest atop of the door knob;
- wherein the concave portion includes a curvature that mimics the door knob;
- wherein the concave portion is designed to straddle as well as sit atop of the door knob;
- wherein the bottom portion has corners that stop at the 3 and 9 o'clock positions of the door knob;
- wherein the alarm housing has a width whereby the concave portion sits atop of the door knob, and also spans rearwardly in order to impact or rest against a handle collar;
- wherein the alarm housing spans across a neck portion that exists between the door knob and the handle collar.
Dependencies are inferred from the claim text.