发明名称 Server signaler
摘要 A server signaler includes a lamp and a housing containing a battery and a switch. The server signaler may be attached to an advertising support or placed directly on a table top or other surface. Actuation of the switch illuminates the lamp to alert the server that service is required. Another server signaler according to applicant's invention includes an elongated base and telescoping portions to extend the lamp upwardly above the elongated base. Another server signaler provides a card-receiving channel containing switch contacts which are closed by insertion of a card into the channel.
申请公布号 US2007030163(A1) 申请公布日期 2007.02.08
申请号 US20050195229 申请日期 2005.08.02
申请人 WATERHOUSE WILLIAM H 发明人 WATERHOUSE WILLIAM H.
分类号 G08B5/00 主分类号 G08B5/00
代理机构 代理人
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