Binary code of absolue encoder！

The two-state code generates a value from powers to the base of 2. For example the number 10 is illustrated as follows:

1 x 23³ + 0 x 22² + 1 x 21¹ + 0 x 20

The corresponding Binary number is 1010.

The code is a multistep code, i.e. the change from one position to another can cause a shift of several bits. Scanning this code on a code disc would generate a problem, as due to process tolerances changes in the different tracks would not occur simultaneously. As a consequence invalid position values could be given.
Image 6 makes this problem clear: The change from position 7 into position 8 . If bit 23 altered state before bits 20, 21 or 23 then all bits would be dark resulting in an value of 15 being given. The solution is a one step code for example gray-code

absolute encoder, incremental encoder, hybrid encoder, non-magnetic encoder, multi-turn encoder, multi-turn combination encoder, draw wire encoder, digital readout, linear scale

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