发明名称 Radio channel visual identification system
摘要 A visual identification system for a multi-channel radio having a channel selector switch is provided which produces a flashing light visible in all directions identifying the selected radio channel. The visual identification system comprises a plurality of lights, each light having a different color, mounted in a visible location in close association with each other. A light selector circuit selects one of the colored lights to flash and a flash selector circuit selects a predetermined number of flashes for the particular light as determined by a decoder in response to a particular channel selection.
申请公布号 US4468814(A) 申请公布日期 1984.08.28
申请号 US19820385305 申请日期 1982.06.04
申请人 CANADIAN NATIONAL RAILWAY COMPANY 发明人 FIELD, ROBERT C.
分类号 H03J1/04;(IPC1-7):H04B1/16;G08B5/38 主分类号 H03J1/04
代理机构 代理人
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