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A mechanically powered flashlight is a flashlight that is powered by electricity generated by the muscle power of the user, so it does not need replacement of batteries, or recharging from an electrical source. There are several types which use different operating mechanisms. They use different motions to generate the required power; such as squeezing a handle, winding a crank, or shaking the flashlight itself. These flashlights can also be distinguished by the technique used to store the energy: a spring, a flywheel, a battery or a capacitor.

AttributesValues
rdf:type
rdfs:label
  • Dynamotaschenlampe (de)
  • Mechanically powered flashlight (en)
  • Knijpkat (nl)
  • Lanterna a dínamo (pt)
  • 動力燈 (zh)
rdfs:comment
  • Een knijpkat is een zaklantaarn zonder batterijen. Aan de buitenkant van een knijpkat bevindt zich een hendel die mechanisch wordt aangedreven door de knijpende beweging van een hand. Aan de hendel van de knijpkat is een soort tandheugel bevestigd die gedurende de knijpende beweging met de hand op zijn beurt een tandwiel aandrijft. Dit tandwiel is bevestigd op de as van de roterende delen van een soort dynamo. Door regelmatig in de hendel te knijpen blijven die onderdelen roteren en wordt elektrische stroom geproduceerd. De roterende onderdelen werken als een klein vliegwiel. De massatraagheid hiervan zorgt voor de gewenste continuïteit in aanvoer van de benodigde elektriciteit. Dat is immers nodig omdat het knijpproces steeds aan-uit-aan-uit gebezigd wordt. (nl)
  • Uma lanterna a dínamo é uma de diversas variedades da lanterna elétrica que funcionam com a eletricidade gerada pelo poder do músculo do usuário (energia mecânica) que pode ser de vários métodos diferentes, como rodar uma manivela ou apertar um gatilho. Assim não precisam a recolocação das baterias, ou do recarregamento de uma fonte elétrica. A fonte luminosa pode ser um bulbo incandescente diminuto ou um diodo luminescente (LED) e também pode ser um oled (diodo emissor de luz orgânica). (pt)
  • 動力燈(英語:Dyno torch),一種可以利用手動發電的手電筒,它本身並不需要電池。使用者以壓動手把的方式來驅動其內部的小型發電機,製造電流而達到點亮燈泡的效果。動力燈在第二次世界大戰時於歐洲相當流行。 一些自行車所用的照明燈及也是動力燈,藉由車輪轉動帶動小型發電機發電。 (zh)
  • Eine Dynamotaschenlampe ist eine elektrische Leuchte, die von einem kleinen elektrischen Generator durch Muskelkraft mechanisch angetrieben wird. Damit kann der Betrieb der Leuchte im Zeitraum von einigen Sekunden, bei Konstruktionen mit einem in der Leuchte integrierten kleinen Schwungrad, Kondensator oder Akkumulator als temporärem Energiespeicher bis zu einigen Minuten ermöglicht werden. Herkömmliche Taschenlampen weisen eine Energieversorgung durch Batterien oder Akkumulatoren auf. (de)
  • A mechanically powered flashlight is a flashlight that is powered by electricity generated by the muscle power of the user, so it does not need replacement of batteries, or recharging from an electrical source. There are several types which use different operating mechanisms. They use different motions to generate the required power; such as squeezing a handle, winding a crank, or shaking the flashlight itself. These flashlights can also be distinguished by the technique used to store the energy: a spring, a flywheel, a battery or a capacitor. (en)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Crank_powered_flashlight_disassembled.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/German_dynamo_flashlight_from_World_War_1.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Handheld_Flashlight_Radio.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Knijpkat_996637.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Knijpkat_lantaarn.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Philips_WW2_dynamo_torch.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/US_Navy_100124-N-6214F-019_A_Haitian_child_uses_the_hand_crank_on_his_multi-purpose_self-powered_radio.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Linear_induction_flashlight.jpg
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