Patent ID: 9155227
Filing Date: 2015-10-06
Classification: G01B,G01D,H05K

Abstract:
1. A rotary encoder comprising: a rotary encoding unit attached to a rotary shaft which is rotatably held in a metal casing; a number-of-revolution detection unit supported by the metal casing for detecting a number of revolutions of the rotary encoding unit and producing heat; a cylindrical insulating resin cover having a base end attached to the metal casing for accommodating therein the rotary encoding unit and the number-of-revolution detection unit; a metal lid for blocking an opening of the other end of the insulating resin cover; and a shield cable electrically connected to the number-of-revolution detection unit and drawn out from a cable outlet of the metal lid, a shield thereof being heat-transferably and electrically connected to the metal lid.