When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Electromagnetic door holder - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_door_holder

   Wall-mounted electromagnetic door holder securing a door in the open position. An electromagnetic door holder (electromagnetic door holder and release or hold-open device, sometimes informally called a mag hold open or electric doorstop) is a simple electromechanical mechanism which can be used to hold a fire door or security door open until given a signal to release.

3. Electromagnetic lock - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_lock

   The most remarkable is the shear lock, where the armature does not directly pull off the face, but the load is instead in shear, like a mechanical stop. The shear magnetic lock allows a door to swing in both directions, as opposed to the original (and now ubiquitous) direct pull type, which normally works either in an in-swing or out-swing ...

4. Kojak - Wikipedia

   en.wikipedia.org/wiki/Kojak

   The system had a protective electric loop for windows and doors. A break-in and cutting wires would cause an alarm to sound. The device operated on a 12-volt battery and included extra loud "B" bell, heavy-duty weather-resistant cabinet with built-in tamper resistant circuit, 125' of double stranded wire, six sets of magnetic switches, two keys ...

5. Surface Pen - Wikipedia

   en.wikipedia.org/wiki/Surface_Pen

   A new version of the Surface Pen was launched in 2014 with the Surface Pro 3. [6] Based on technology developed by N-trig [7] (a separate company at the time, though subsequently acquired by Microsoft), [8] the Surface Pro 3 version lacks the eraser tip present in the previous generation; erasing is done by drawing over the ink strokes while holding down one of two physical buttons on the side ...

6. Moses Lake, WA Weather - Hourly Forecasts and Local ... - AOL

   www.aol.com/weather

   Get the Moses Lake, WA local weather forecast by the hour and the next 10 days.

7. Magnetic switchable device - Wikipedia

   en.wikipedia.org/wiki/Magnetic_switchable_device

   A magnetic switchable device (often called a magnetic base) is a magnetic fixture that uses one or more permanent magnets in a configuration that allows the external field to be turned on or off. They are used in many applications including optics , metalworking , lifting , and robotics, to attach items to metal surfaces in a secure but ...