encoder - meaning and definition. What is encoder
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What (who) is encoder - definition

DEVICE, CIRCUIT, TRANSDUCER, SOFTWARE PROGRAM, ALGORITHM OR PERSON THAT CONVERTS INFORMATION FROM ONE FORMAT OR CODE TO ANOTHER, FOR THE PURPOSES OF STANDARDIZATION, SPEED OR COMPRESSION
Encoders; Encoder (disambiguation)

encoder         
1. <algorithm, hardware> Any program, circuit or algorithm which encodes. Example usages: "MPEG encoder", "NTSC encoder", "RealAudio encoder". 2. <hardware> A sensor or transducer for converting rotary motion or position to a series of electronic pulses. (1997-03-04)
Rotary encoder         
  • Conceptual drawing of a rotary incremental encoder sensor mechanism, with the corresponding logic states of the A and B signals
  • Two square waves in quadrature. The direction of rotation is indicated by the sign of the A-B phase angle which, in this case, is negative because A trails B.
  • An incremental encoder
  • Incremental encoder
DEVICE THAT CONVERTS THE ANGULAR POSITION (MOTION) TO AN ANALOG OR DIGITAL CODE
Shaft encoder; Rotary sensor; Optical encoder; Absolute encoder; Motor encoder; Microgon; Encoder disc
A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to analog or digital output signals.
Encoder (digital)         
  • The image represents a 8:3 encoder.
4-input OR gates have been used for simplicity; one can also use 3 2-input OR gates.
  • A simple 4:2 Encoder using OR gate.
  • A General encoder's block diagram.
ENCODER IN DIGITAL ELECTRONICS, A ONE-HOT TO BINARY CONVERTER
Simple encoder; Digital encoder
An encoder (or "simple encoder") in digital electronics is a one-hot to binary converter. That is, if there are 2n input lines, and at most only one of them will ever be high, the binary code of this 'hot' line is produced on the n-bit output lines.

Wikipedia

Encoder
Examples of use of encoder
1. Hauppauge‘s WinTV–PVR tuner–encoder card, which lets PCs tune in and record live television, will be sold with ReplayTV software starting next year in North America.
2. The center will open by the end of the year and be run by Sergei Burkov, who established U.S.–based encoder Invincible Data Systems, the newspaper said.