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A pair of automatic doors. An automatic door, also known as an auto door, is a door that opens automatically, without the need for human intervention or usually upon sensing the approach of a person. A person can be detected by microwave pulses, infrared sensors, or pressure-sensing pads. [1]
Sensors: In a security alarm, some sensors detect intrusions. Sensors' locations are at the perimeter of the protected area, within it, or both. Sensors can detect intruders by different methods. Alerting devices indicate an alarm condition. Most commonly, these are bells, sirens, also and or flashing lights. Alerting devices serve the dual ...
A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.
Besam was an international supplier and manufacturer of automatic entrance equipment for commercial, health care and residential buildings owned by Assa Abloy. [1] The product portfolio included automatic doors, automatic swing doors, sliding doors and revolving doors, as well as air curtains and dedicated service and maintenance.
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Smartphone detecting an iBeacon transmitter. iBeacon is a protocol developed by Apple and introduced at the Apple Worldwide Developers Conference in 2013. [1] Various vendors have since made iBeacon-compatible hardware transmitters – typically called beacons – a class of Bluetooth Low Energy (BLE) devices that broadcast their identifier to nearby portable electronic devices.
BEA Systems, Inc. was a company that specialized in enterprise infrastructure software products, which was wholly acquired by Oracle Corporation on April 29, 2008. [ 2 ] History
A door operator may be triggered in various ways: Approach Sensor (such as a radar sensor) - the door opens when a user approaches it. Pushbutton - the door opens when a user presses a button. Access control - the door opens when an access control system determines the user is authorized to go through. Automatically (in the case of elevators).