on-duty cycle
51Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… …
52Nickel-metal hydride battery — Batteries caption=Modern, high capacity NiMH rechargeable batteries EtoW=30–80 Wh/kg EtoS=140–300 Wh/L PtoW=250–1000 W/kg CtoDE=66% [http://www.powerstream.com/NiMH.htm] EtoCP=2.75 Wh/US$ [ [http://www.powerstream.com/NiMH.htm NiMH Battery… …
53Dynamic demand (electric power) — Dynamic Demand is the name of a semi passive technology for adjusting load demands on an electrical power grid. (It is also the name of an independent not for profit organization in the UK supported by a charitable grant from the Esmée Fairbairn… …
54Two-way radio — receiver which only receives content. Two way radios are available in mobile, stationary base and hand held portable configurations. Hand held radios are often called walkie talkies or handie talkies. A push to talk or Press To Transmit button is …
55Machine gun — [ thumb|200px|An illustration of later model 19th century Gatling gun. It was a multi barreled rotary machine gun fired via a manual crank, which mechanically loaded and primed cartridges from the hopper above the gun] : For other uses of the… …
56555 timer IC — NE555 from Signetics in dual in line package …
57Grating — A grating is any regularly spaced collection of essentially identical, parallel, elongated elements. Gratings usually consist of a single set of elongated elements, but can consist of two sets, in which case the second set is usually… …
58Charlieplexing — is a technique proposed in early 1995 by Charlie Allen at Maxim Integrated Products for driving a multiplexed display in which relatively few I/O pins on a microcontroller are used to drive an array of LEDs. The method utilizes the tri state… …
59SEPIC converter — A SEPIC (single ended primary inductor converter) is a DC DC converter which allows the output voltage to be greater than, less than, or equal to the input voltage. The output voltage of the SEPIC is controlled by the duty cycle of the control… …
60Industry Standard Architecture — Un connecteur de bus ISA L Industry Standard Architecture, généralement abrégé en ISA, est un standard de bus informatique interne utilisé pour connecter des cartes d extension à la carte mère d un ordinateur. C est un bus de largeur 16 bits,… …
