G - Physics – 06 – K
Patent
G - Physics
06
K
347/34, 354/77,
G06K 7/10 (2006.01) H03M 1/00 (2006.01)
Patent
CA 1184306
PATENT SPECIFICATION POSITIONAL ENCODERS WITH PLUG-TOGETHER MODULES ABSTRACT OF THE DISCLOSURE 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 pro- ducing 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, each of the boards having a multiplicity of matching positions for selectively receiving the sockets and pins, the boards having a common connection group compris- ing a plurality of such positions for receiving sockets and pins to establish certain electrical connections extending in common to the stacked boards, the common connection group including electrical connections for supplying electrical power to the stacked boards, the boards including a plurality of signal channel groups of such positions for receiving sockets and pins for transmitting the multiplicity of electrical signals between the boards, the signal channel groups being employed alternatively to carry the signals to and from certain of the boards. Certain of the pins and sockets are preferably - i - combined into pin/sockets for plugging into other sockets and for receiving other pins. One of the boards may include signal modifying means having a set of input connections and a distinct set of output connections. One signal channel group may comprise sockets and pins for supplying input signals to the input signal connections, while another signal channel group may comprise sockets connected to the output signal connections. The common connection group may include pins and sockets for supplying a control signal such as a gating signal to certain of the boards. - ii -
391150
Bei Electronics Inc.
Smart & Biggar
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