专利内容由知识产权出版社提供
专利名称:Alarm for a card shaped object发明人:Russel P. Cook申请号:US08/544484申请日:19951018公开号:US052095A公开日:19970624
摘要:An alarm system is provided for a card shaped object comprising a holder forthe card shaped object and a detecting apparatus for detecting the absence of the cardshaped object from the holder and a device transmitter. The transmitter device sends asignal to a component remote from the holder and a transmitter device. The transmitterdevice sends a signal to a component remote from the holder which contains a receiverof the signal and an adjustable alarm. A resettable timer is positioned either in the holderor in the component remote from the holder so that, after a set time period, is activatedin response to the signal.
申请人:WELLESLEY RESEARCH ASSOCIATES, INC.
代理人:Paul J. Cook
更多信息请下载全文后查看