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[2] [4] [19] [33] The carborundum detector was popular [21] [33] because its sturdy contact did not require readjustment each time it was used, like the delicate cat whisker devices. [ 2 ] [ 19 ] [ 23 ] Some carborundum detectors were adjusted at the factory and then sealed and did not require adjustment by the user. [ 2 ]
[89] [90] Modern crystal sets use modern semiconductor diodes. [81] The crystal functions as an envelope detector , rectifying the alternating current radio signal to a pulsing direct current , the peaks of which trace out the audio signal, so it can be converted to sound by the earphone, which is connected to the detector.
The mixer with rotating parts was patented in 1856 by Baltimore, Maryland, tinner Ralph Collier. [1] This was followed by E.P. Griffith's whisk patented in England in 1857. Another hand-turned rotary egg beater was patented by J.F. and E.P. Monroe in 1859 in the US. [2]
Hands-free phone kit fitted to a Saab 9-5.. Handsfree is an adjective describing equipment that can be used without the use of hands (for example via voice commands) or, in a wider sense, equipment which needs only limited use of hands, or for which the controls are positioned so that the hand can occupy themselves with another task (such as driving) without needing to hunt far afield for the ...
1.0 — Basic remote control commands (play/pause/stop, etc.) [6] 1.3 — all of 1.0 plus metadata and media-player state support [7] The status of the music source (playing, stopped, etc.) Metadata information on the track itself (artist, track name, etc.). 1.4 — all of 1.3 plus media browsing capabilities for multiple media players [8]
Egg-beater, egg beater, or eggbeater may refer to: Mixer (appliance), an electric kitchen appliance often referred to as an "egg-beater" Eggbeater (mixer), a hand-cranked tool for beating eggs, as for omelettes or cake-baking; Egg Beaters, an egg white–based ingredient used in cooking or baking; Eggbeater wind turbine, a wind turbine design
A modern egg incubator. An incubator is a device simulating avian incubation by keeping eggs warm at a particular temperature range and in the correct humidity with a turning mechanism to hatch them. The common names of the incubator in other terms include breeding / hatching machines or hatchers, setters, and egg breeding / equipment. [1]
French (top) and balloon whisks. Balloon whisks are bulbous; French whisks are longer and narrower. A whisk is a cooking utensil which can be used to blend ingredients smooth or to incorporate air into a mixture, in a process known as whisking or whipping.