Terminology: Difference between revisions
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;donut hole: a dark spot in the center of the flashlight beam. This is a common problem with multi-die emitters (can also appear as a plus-sign in the beam reflecting the layout of the 4 dice) but can also be the result of a poorly matched reflector. | ;donut hole: a dark spot in the center of the flashlight beam. This is a common problem with multi-die emitters (can also appear as a plus-sign in the beam reflecting the layout of the 4 dice) but can also be the result of a poorly matched reflector. | ||
;driver: the electronics in between the battery and LED. This usually consists of a circuit board in the "pill". It regulates the voltage to the LED as well as provides the various modes and memory of the light. See article [[Driver]]. | ;<span id="driver">driver</span>: the electronics in between the battery and LED. This usually consists of a circuit board in the "pill". It regulates the voltage to the LED as well as provides the various modes and memory of the light. See article [[Driver]]. | ||
;duraloop: nickname for a Duracell precharged NiMH battery with a white top, made in Japan, and thought to be an [[Eneloop]] in Duracell wrapping. See article [[Rechargeable]]. | ;duraloop: nickname for a Duracell precharged NiMH battery with a white top, made in Japan, and thought to be an [[Eneloop]] in Duracell wrapping. See article [[Rechargeable]]. | ||
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<span id="L"></span> | <span id="L"></span> | ||
;LED: Light Emitting Diode. An electronic component (including the die, lens, PCB, etc.) that produces light. See article [[LED]]. | ;<span id="LED">LED</span>: Light Emitting Diode. An electronic component (including the die, lens, PCB, etc.) that produces light. See article [[LED]]. | ||
;lens: technically a piece of glass or plastic with curved faces that shapes light, but in flashlights the lens can also be the flat piece of glass or plastic at the front of the light that protects the light source. See article [[Lenses]]. | ;lens: technically a piece of glass or plastic with curved faces that shapes light, but in flashlights the lens can also be the flat piece of glass or plastic at the front of the light that protects the light source. See article [[Lenses]]. | ||