发明名称 POTENTIOMETER COMPRISING A TRANSPORT SCREW
摘要 Potentiometer including a transport screw for the linear displacement of an insulating contact member, and a hairpinlike contact spring which engages the screw, the contact member and a resistance track respectively.
申请公布号 US3639879(A) 申请公布日期 1972.02.01
申请号 USD3639879 申请日期 1970.08.24
申请人 U.S. PHILIPS CORP. 发明人 JAN VAN ROOIJEN
分类号 H01C10/40;(IPC1-7):H01C9/02 主分类号 H01C10/40
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