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1.Treadle-operated traffic detector having means for refilling while mounted in a roadway 失效
Title translation: 踏板操作的交通检测器具有在安装在道路中时重新填充的装置公开(公告)号:US3188422A
公开(公告)日:1965-06-08
申请号:US10439361
申请日:1961-04-20
Applicant: LAB FOR ELECTRONICS INC
Inventor: WILCOX HARRY A
IPC: H01H3/14
CPC classification number: H01H3/141
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公开(公告)号:US3241110A
公开(公告)日:1966-03-15
申请号:US4755660
申请日:1960-08-04
Applicant: LAB FOR ELECTRONICS INC
Inventor: WILCOX HARRY A
CPC classification number: G08G1/085 , H01H19/585
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公开(公告)号:US3150349A
公开(公告)日:1964-09-22
申请号:US8258461
申请日:1961-01-13
Applicant: LAB FOR ELECTRONICS INC
Inventor: WILCOX HARRY A
IPC: G08G1/08 , H01H19/58 , H03K17/955
CPC classification number: H01H19/585 , G08G1/08 , H03K17/955
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