Rotary encoder contact disk

Details Rotary encoder contact disk Rotary encoder contact disk

1981-11-03

1984-04-17

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200292, H01H 158, H01H 1958

Patent

active

044436700

ABSTRACT:
A structure and a method for manufacturing a contact disk for detection of angular position and direction includes a concentrically-arranged planar slip-ring like conductive layer at the innermost region of the disk, a first gear-pattern like conductive layer, having outer teeth, at its midway region, and a second gear-pattern conductive layer, having internal teeth at the outermost region of the disk, all formed on an insulative substrate; the gear-pattern conductive layers are both printed at the same time to insure high accuracy in the position of the conductive layers; crossing parts of the lead connections are printed with the use of an insulative film therebetween.

REFERENCES:
patent: 4037116 (1977-07-01), Hodama
patent: 4145585 (1979-03-01), Iwasaki

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