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Temporal light modulations may also induce disturbance or malfunction of equipment that applies light as input signal. Examples are barcode scanners, cameras and medical test equipment. Interference of photo, film and video cameras may become visible by humans after displaying the image or replaying the recorded video or projection of a film. [ 5 ]
[5] Shwaery says that an LED-based device could be safer than a laser-based device intended to achieve the same effects "Getting an eye-safe wavelength with a laser has been very difficult." [ 5 ] Shwaery says that the presence of a range-finder and circuitry to modify the intensity of the light depending on the range in the LED device ...
Temporal light artefacts (TLAs) are undesired effects in the visual perception of a human observer induced by temporal light modulations. Two well-known examples of such unwanted effects are flicker and stroboscopic effect. Flicker is a directly visible light modulation at relatively low frequencies (< 80 Hz) and small intensity modulation levels.
A front view of a Stagebar LED striplight. LED stage lighting is a stage lighting technology that uses light-emitting diodes (LEDs) as a light source. LED instruments are an alternative to traditional stage lights which use halogen lamp or high-intensity discharge lamps. Like other LED instruments, they have high light output with lower power ...
Lighting is the deliberate use of light to achieve a practical or aesthetic effect. Types of lighting include: Christmas lighting; Automotive lighting. Emergency vehicle lighting; Ground effects lighting; Backlighting; Bicycle lighting; Bisexual lighting; Cameo lighting; Carbide lighting; Celebratory lighting; Computer graphics lighting. Image ...
These are easily recognizable by their red tips on an otherwise unpainted clear white bulb, and are available in the different voltages required for 10, 20, 35/70, and 50/100/150/200-light sets. Some older mini-light sets interlaced two circuits, putting all of the odd-numbered bulbs on one and the even-numbered ones on the other, allowing some ...
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