摘要 |
An encoder for producing multidigit code word signals corresponding to the position and movement of a shaft or some other movable member, comprising a housing, a photocell board or some other signal producing board mounted on the housing and having photocell means or some other signal producing means including a multiplicity of signal channels for supplying a multiplicity of electrical signals indicating the position and movement of the code member, a plurality of circuit boards mounted on the housing in stacked relation to the signal producing board, the circuit boards including means for processing the signals from the signal producing means, and a multiplicity of sockets and pins mounted on the boards and plugged into one another for establishing electrical connections between the successive boards. |