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  2. Automatic door - Wikipedia

    en.wikipedia.org/wiki/Automatic_door

    In 1954, Dee Horton and Lew Hewitt invented the first sliding automatic door. The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5] With the invention of the Gunn diode, microwave motion detectors became common in automatic doors in the 1970s.

  3. Smart key - Wikipedia

    en.wikipedia.org/wiki/Smart_key

    A Nissan Fuga intelligent key. A smart key is a vehicular passive entry system developed by Siemens in 1995 and introduced by Mercedes-Benz under the name "Keyless-Go" in 1998 on the W220 S-Class, [1] after the design patent was filed by Daimler-Benz on May 17, 1997.

  4. Remote keyless system - Wikipedia

    en.wikipedia.org/wiki/Remote_keyless_system

    Inasmuch as "programming" fobs is a proprietary technical process, it is typically performed by the automobile manufacturer. In general, the procedure is to put the car computer in 'programming mode'. This usually entails engaging the power in the car several times while holding a button or lever. It may also include opening doors, or removing ...

  5. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    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.

  6. Induction loop - Wikipedia

    en.wikipedia.org/wiki/Induction_loop

    An example of the inductance loop installed in the road for cars and bikes Schematic of such a detector See also: Traffic count Vehicle detection loops, called inductive-loop traffic detectors , can detect vehicles passing or arriving at a certain point, for instance approaching a traffic light or in motorway traffic.

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  8. Car alarm - Wikipedia

    en.wikipedia.org/wiki/Car_alarm

    Motion sensors monitoring the vehicle's interior are installed in some higher end models. The simplest aftermarket alarms are one-piece units with a siren and control module. The most common type of sensor is a shock sensor and two wires (12-volt constant power and ground) which are connected to the car's battery.

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    AOL latest headlines, news articles on business, entertainment, health and world events.