Electronic signal filter with surge protection mechanism,申请号US20000654593-传众专利搜索

Electronic signal filter with surge protection mechanism

申请公布号：US6560087(B1)

申请号：US20000654593

申请日期：2000.09.01

申请公布日期：2003.05.06

申请人：

EAGLE COMTRONICS, INC.

发明人：ZENNAMO, JR. JOSEPH A.;MAGUIRE JOSEPH N.;LOUISE WILLIAM;MARLAND DALE W.

分类号：H01T4/08;(IPC1-7):H01C7/12

主分类号：H01T4/08

摘要：An electronic signal filter is provided that includes a metal housing which has been adapted to be electrically grounded, and a circuit board positioned within the housing. The circuit board includes a first area and a second area, and has an electrically conductive trace formed on a portion of a top surface of the circuit board that provides electrical communication between the first and second areas of the circuit board. The filter further includes a metal shield connected to the housing, located between the first and second areas of the circuit board. The metal shield extends in a direction substantially perpendicular to the plane of the circuit board and has a slot formed therein for receiving the portion of the circuit board on which the electrically conductive trace is formed. The slot is dimensioned to provide a space between the metal shield and the conductive trace. The dimension of the space is selected to shunt current passing through the conductive trace to ground in the event of a voltage surge passing through the filter.