Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lian-Zhong Gong0
Qiang Qin0
Tian-You Liu0
Date of Patent
October 19, 2010
Patent Application Number
12178652
Date Filed
July 24, 2008
Patent Primary Examiner
Patent abstract
An exemplary metal detector includes a detecting circuit, a SCM, a converting circuit, and a cymometer. The SCM cooperates with the detecting circuit to generate a current signal with a specific frequency, the converting circuit transforms the current signal received from the SCM to a voltage signal, and the cymometer displays a value of a frequency of the current signal according to the voltage signal. When the detecting circuit detects a metal nearby, the value of the frequency of the current signal displayed on the cymometer changes.
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