| 摘要 |
<p>The present invention relates to an electro-mechanical brake for obtaining a safe traveling and braking with a high accuracy means for detecting a piston position at which a brake pad (16) and a disk rotor (7) contact each other is provided. A pad contact position detecting device (24, 27, 33) in which an electric circuit is not formed to prevent an electric current from flowing therethrough when a pad pressing force is not generated and the electric circuit is formed to enable the electric current to flow therethrough when the pad pressing force is generated is applied to the electro-mechanical brake, whereby a pad contact position can be detected accurately to improve an accuracy in controlling a braking force so that the electro-mechanical brake enabling the safe traveling and braking to be obtained can be provided.
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