Alarm system with smart sensors
AssigneeSe-Kure Controls, Inc.
InventorsRoger J. Leyden, David M. Adams
Life of this patent
Estimating the term…
Abstract
An alarm system for monitoring portable articles comprises a smart sensor for operatively engaging a portable article. The smart sensor includes an actuator having a secured state and an unsecured state relative to the portable article. A memory stores a sensor address. A controller has a sensor bus operatively connected to the smart sensor. The controller includes a memory storing sensor addresses. The controller is operative to periodically communicate with the smart sensor to determine state of the sensor and to read the sensor address. The controller generates an alarm when the smart sensor is in the unsecured state or if the sensor address read from the smart sensor is not stored in the memory.
Claims18
An alarm system for monitoring portable articles comprising:
- a smart sensor for operatively engaging a portable article, the smart sensor including an actuator having a secured state and an unsecured state relative to the portable article, and a memory storing a sensor address;
- a controller having a sensor bus operatively connected to the smart sensor, the controller including a memory storing sensor addresses, and the controller being operative to periodically communicate with the smart sensor to determine state of the sensor and to read the sensor address, the controller generating an alarm if the smart sensor is in the unsecured state or if the sensor address read from the smart sensor is not stored in the memory.
An alarm system for monitoring portable articles comprising:
- a plurality of smart sensors each for operatively engaging a portable article, each of the smart sensors including an actuator having a secured state and an unsecured state relative to the portable article, and a memory storing a unique sensor address;
- a plurality of slave controllers each having a sensor bus operatively connected to one or more of the plurality of smart sensors, the slave controllers including a memory storing sensor addresses, and the slave controllers being operative to periodically communicate with the smart sensors to determine state of the sensors and to read the sensor addresses, the slave controllers generating an alarm if any smart sensor is in the unsecured state or if the sensor address read from any smart sensor is not stored in the memory;
- and
- a master controller operatively connected to the slave controllers for commanding operation of the slave controllers.
Dependencies are inferred from the claim text.