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2. 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.

3. Stroboscope - Wikipedia

   en.wikipedia.org/wiki/Stroboscope

   For this reason, some turntables have a neon bulb or LED next to the platter. The LED must be driven by a half wave rectifier from the mains transformer, or by an oscillator. Flashing lamp strobes have also been adapted as a lighting effect for discotheques and night clubs where they give the impression of dancing in slow motion. The strobe ...

4. Strobe light - Wikipedia

   en.wikipedia.org/wiki/Strobe_light

   A strobe light flashing at the proper period can appear to freeze or reverse cyclical motion. Special calibrated strobe lights, capable of flashing up to hundreds of times per second, are used in industry to stop the appearance of motion of rotating and other repetitively operating machinery and to measure, or adjust, the rotation speeds or ...

5. Touch-sensitive lamp - Wikipedia

   en.wikipedia.org/wiki/Touch-sensitive_lamp

   Aladdin Industries filed key "Aladdin Lamps" patents in 1954 and 1956, [1] [2] and commercial models were available by 1955. [3] However, due to low electrical efficiency and high price of the vacuum tube-based product, the concept was not popularized until later versions of the touch mechanism used integrated circuits and transistors to improve efficiency and reduce cost in the mid 1980s.

6. Lighting control system - Wikipedia

   en.wikipedia.org/wiki/Lighting_control_system

   A complete sensor consists of a motion detector, an electronic control unit, and a controllable switch/relay. The detector senses motion and determines whether there are occupants in the space. [9] It also has a timer that signals the electronic control unit after a set period of inactivity.

7. AOL Mail

   mail.aol.com/d?reason=invalid_cred

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!