发明名称 Item locator with attachable receiver/transmitter
摘要 A device which functions to locate preselected items which are remote from a user. The device comprises two parts; a hand held device and multiple sensors/chips which are applied to objects the user desires to locate. The hand held devices contains a control panel selector buttons for each multiple sensors/chip it is desired to locate. When a preselected button is depressed, a transmitter sends signal containing preselected code. The signal is received by a receiver in each multiple sensors/chip. The receiver in each multiple sensors/chip reads the code and if a match is obtained the receiver enables an audio tone generator in the multiple sensors/chip to send a tone through an audio speaker. The multiple sensors/chip further, transmits a signal to the hand held device which is received by a second receiver and decoded. The second receiver matches the code with the multiple sensors/chip selected and enables a second audio tone generator to send a second tone through a second speaker. Both tones are controlled to become louder the closer the hand held device is to the desired multiple sensors/chip. The multiple sensors/chip has an attachment device permitting attachment to various articles to be found. The hand held device and multiple sensors/chip are powered by a power source.
申请公布号 US5939981(A) 申请公布日期 1999.08.17
申请号 US19980014927 申请日期 1998.01.28
申请人 RENNEY, MARJORIE 发明人 RENNEY, MARJORIE
分类号 G08B21/24;(IPC1-7):G08B1/08;H04Q7/00 主分类号 G08B21/24
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