enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Optical mouse - Wikipedia

   en.wikipedia.org/wiki/Optical_mouse

   The blue-LED-based V-Mouse VM-101. Optical mice often used light-emitting diodes (LEDs) for illumination when first popularized. The color of the optical mouse's LEDs can vary, but red is most common, as red diodes are inexpensive and silicon photodetectors are very sensitive to red light. IR LEDs are also widely used. [16]

3. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   Optical computer mice use LEDs as a light source for the miniature camera within the mouse. LEDs are useful for machine vision because they provide a compact, reliable source of light. LED lamps can be turned on and off to suit the needs of the vision system, and the shape of the beam produced can be tailored to match the system's requirements.

4. USB microscope - Wikipedia

   en.wikipedia.org/wiki/USB_microscope

   A miniature USB microscope with inbuilt LED lights next to the lens at left. Sea salt crystals seen with a USB microscope. Table salt crystals seen with a USB microscope. The top side of a sage leaf seen with a USB microscope - trichomes are visible. The USB image of the underside of a sage leaf - more trichomes are visible on this side.

5. Backlight - Wikipedia

   en.wikipedia.org/wiki/Backlight

   LED backlighting in color screens comes in two varieties: white LED backlights and RGB LED backlights. [10] White LEDs are used most often in notebook computers and desktop screens, and make up virtually all mobile LCD screens. A white LED is typically a blue LED with broad spectrum yellow phosphor to result in the emission of white light ...

6. Output device - Wikipedia

   en.wikipedia.org/wiki/Output_device

   LED-backlit LCD An LCD display which uses LEDs as a backlight. Prior to the use of LED based backlighting, Cold Cathode Fluorescent (CCFL) tubes were used. LED displays use an array of LEDs to form an image. Organic Light Emitting Diode (OLED) Unlike an LED display, an OLED display does not use a backlight. Electronic paper (e-ink)

7. The 8 tech gadgets to make traveling easier, according to ...

   www.aol.com/lifestyle/the-8-tech-gadgets-to-make...

   The holidays are headed this way so that may mean some travel is on the horizon. Beyond the typical checklist — passport, luggage and toiletries — there are a few other items that might come ...