发明名称 VEHICLE SPEED REGULATION, CONTROL MEANS, AND WARNING SYSTEM
摘要 A vehicle speed regulation and control system, utilizing radio signals from highway transmitters, which provides an indication to the vehicle driver of the speed limit along that portion of the highway, and provides other psychological controls and indications relating to vehicle speed.
申请公布号 US3686628(A) 申请公布日期 1972.08.22
申请号 USD3686628 申请日期 1969.12.29
申请人 ARTHUR E. KELLER;CLAUDE W. EARLES 发明人 ARTHUR E. KELLER;CLAUDE W. EARLES
分类号 B60K31/18;G08G1/052;(IPC1-7):B60Q1/54 主分类号 B60K31/18
代理机构 代理人
主权项
地址