Glossario lettara L

Glossario dei termini AUTO-ID

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L

Laser Gun	Un dispositivo di lettura del ottico da brandeggiare come una pistola e che utilizza un fascio di luce laser a bassa energia come fonte di illuminazione. Il termine 'Laser Gun' è usato meno frequentemente di 'Hand Laser Scanner'. An optical bar code reading device held in the hand using a low energy laser light beam as its source of illumination. The term 'Laser Gun' is used less frequently of 'Hand Laser Scanner'. See Hand Laser Scanner See The Laser Guns Vedi Le Pistole Laser
Laser Scanner	An optical bar code reading device using a low energy laser light beam as its source of illumination.
LED	LED ( Light Emitting Diode ) - A semiconductor that produces light at a wavelength determined by its chemical composition as a result of electrical simulation. A range of devices is available, each having a single output over a restricted band of light, to perate at points in the spectrum between 600 ( visible red ) and 900 ( infrared ) nanometres. It is commonly used as a light source in wand type bar code readers.
light margin	The EAN/UPC term equivalent to quiet zone. See Quiet Zone Vedi Il Codice EAN
light pen	In Bar Code system a hand held scanning wand, which is used as a contact Bar Code reader held in the hand. See Wand See Bar Code wands Vedi Le Penne Ottiche
linear imager	Lettore per codice a barre 1D che utilizza un CCD composto da elementi lineari come Scan Engine, generalmente chiamato CCD. Vedi Lettori CCD Vedi Lettori WL Vedi Lettori Bar Code