Security apparatus and method
First Claim
1. A method performed by a security sensor that monitors a window, comprising:
- receiving, by a processor via a user interface, a signal to disarm the security sensor;
in response to receiving the signal, disarming, by the processor, the security sensor;
re-arming the security sensor after a user has opened the window;
determining that the window is being moved;
in response to determining that the window is being moved, determining, by the processor, whether the window is being moved in a first direction that is indicative of the window being opened or is being moved in a second direction that is indicative of the window being closed; and
causing, by the processor, a transmitter associated with the security sensor to send a wireless alarm signal only when the processor determines that the window is being moved in the first direction.
1 Assignment
0 Petitions
Accused Products
Abstract
A security method and apparatus is disclosed. In one embodiment, a method for providing an alarm for a window by a security apparatus comprises calculating a first distance between a detector mounted within a movable portion of the window and a window frame edge and calculating a second distance between the detector and the window frame edge. The method further comprises determining whether the movable portion of the window has remained stationary for more than a predetermined time period based on the first distance and the second distance and, if the movable portion has remained stationary for more than the predetermined time period, storing the second distance in a memory, placing the security apparatus into an active alarm state, calculating a third distance observed by the detector, determining a change between the third distance and the second distance, determining whether the change exceeds a predetermined distance, and generating an alarm signal if the change exceeds the predetermined distance.
18 Citations
10 Claims
-
1. A method performed by a security sensor that monitors a window, comprising:
-
receiving, by a processor via a user interface, a signal to disarm the security sensor; in response to receiving the signal, disarming, by the processor, the security sensor; re-arming the security sensor after a user has opened the window; determining that the window is being moved; in response to determining that the window is being moved, determining, by the processor, whether the window is being moved in a first direction that is indicative of the window being opened or is being moved in a second direction that is indicative of the window being closed; and causing, by the processor, a transmitter associated with the security sensor to send a wireless alarm signal only when the processor determines that the window is being moved in the first direction. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A security sensor for monitoring a window, comprising:
-
a user interface; a memory for storing processor-executable instructions; a detector for detecting movement of the window; a transmitter for transmitting an alarm signal; and a processor, coupled to the user interface, the memory, the detector and the transmitter, for executing the processor-executable instructions that cause the security sensor to; receive, by the processor via the user interface, a signal to disarm the security sensor; in response to receiving the signal, disarm, by the processor, the security sensor; re-arm the security sensor by the processor after a user has opened the window; determine that the window is being moved; in response to determining that the window is being moved, determine, by the processor, whether the window is being moved in a first direction that is indicative of the window being opened or is being moved in a second direction that is indicative of the window being closed; and cause the transmitter to send a wireless alarm signal only when the processor determines that the window is being moved in the first direction. - View Dependent Claims (7, 8, 9, 10)
-
Specification