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US Patent 3820110, "Eddy current type digital encoder and position reference", gives an example of this type of encoder, which uses a scale coded with high and low permeability, non-magnetic materials, which is detected and decoded by monitoring changes in inductance of an AC circuit that includes an inductive coil sensor.
DigitalOptics Corporation (DOC) is a San Jose, California-based technology company that designs and manufactures imaging systems for smartphones.DOC’s capabilities include optical design, camera module design and manufacturing, MEMS manufacturing, and image processing algorithms.
When RS-422 outputs are employed, the encoder provides a differential conductor pair for every logic output; for example, "A" and "/A" are commonly-used designations for the active-high and active-low differential pair comprising the encoder's A logic output. Consequently, the encoder interface must provide RS-422 line receivers to convert the ...
Optoelectronic devices are electrical-to-optical or optical-to-electrical transducers, or instruments that use such devices in their operation. [ 1 ] Electro-optics is often erroneously used as a synonym, but is a wider branch of physics that concerns all interactions between light and electric fields , regardless of whether they form part of ...
Digital Rapids Corporation is a privately held technology company headquartered in Markham, Ontario, Canada that produces hardware and software for the digital media industry. Founded in 2001, Digital Rapids develops systems and software for media ingest, multi-screen video encoding , transcoding , streaming , and workflow automation .
A digital telephone system was introduced in 1983 and mobile phones came in 1992. Before 1980, most of the domestic appliances and equipment were imported, except the one-band radio, but after 1980 many assembly plants for radio, television, audio, and video cassette recorders and players were established.
the line-coded signal can be used to turn on and off a light source in free-space optical communication, most commonly used in an infrared remote control. the line-coded signal can be printed on paper to create a bar code. the line-coded signal can be converted to magnetized spots on a hard drive or tape drive.
A position sensitive device and/or position sensitive detector (PSD) is an optical position sensor (OPS) that can measure a position of a light spot in one or two-dimensions on a sensor surface. Principles