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  2. Metal detector - Wikipedia

    en.wikipedia.org/wiki/Metal_detector

    The Finnish company Outokumpu adapted mining metal detectors in the 1970s, still housed in a large cylindrical pipe, to make a commercial walk-through security detector. [36] The development of these systems continued in a spin-off company and systems branded as Metor Metal Detectors evolved in the form of the rectangular gantry now standard in ...

  3. Strategy guide - Wikipedia

    en.wikipedia.org/wiki/Strategy_guide

    In order to be released at the same time as the game, commercial strategy guides are often based on a pre-release version of the game, rather than the final retail version; BradyGames' guide for Grand Theft Auto: San Andreas included misplaced item locations and a slightly different map, which made some directions impossible to follow.

  4. List of metal detecting finds - Wikipedia

    en.wikipedia.org/wiki/List_of_metal_detecting_finds

    This list is incomplete; you can help by adding missing items. ( April 2019 ) This is a list of historically significant items found by metal detecting method, only excluding magnet fishing finds, since magnet fishing is usually considered a distinctively different and separate hobby from traditional metal detecting.

  5. Induction loop - Wikipedia

    en.wikipedia.org/wiki/Induction_loop

    A different sort of "induction loop" is applied to metal detectors, where a large coil, which forms part of a resonant circuit, is effectively "detuned" by the coil's proximity to a conductive object. The detected object may be metallic (metal and cable detection) or conductive/capacitive (stud/cavity detection). Other configurations of this ...

  6. Airport security - Wikipedia

    en.wikipedia.org/wiki/Airport_security

    A technology released in Israel in early 2008 allows passengers to pass through metal detectors without removing their shoes, a process required as walk-through gate detectors are not reliable in detecting metal in shoes or on the lower body extremities.

  7. Category:Metal detecting - Wikipedia

    en.wikipedia.org/wiki/Category:Metal_detecting

    Pages in category "Metal detecting" ... Polish mine detector This page was last edited on 2 April 2018, at 15:29 (UTC). Text is available under the Creative ...

  8. List of Gate Keepers episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_Gate_Keepers_episodes

    Shun and the others seek save haven in the only place they can repair the gate robot, Shun’s father’s workshop. Without a gate engine, the robot is totally useless. A startling discover pushes Shun to learn about the circumstances of his father’s death. The truth of his past may be the only hope that the Gate Keepers may have to win.

  9. Long-range locator - Wikipedia

    en.wikipedia.org/wiki/Long-range_locator

    Many such devices contain non-functional circuitry or naively constructed approximations of radio transmitters. A few do have functional circuitry, putting out a weak signal with a function generator or a simple timer circuit, but are still largely useless in comparison with a coil-based metal detector; others have been found to contain intentionally obfuscated or completely superfluous ...