Communications: electrical – Condition responsive indicating system – With particular coupling link
Patent
1996-03-13
1997-10-14
Hofsass, Jeffery
Communications: electrical
Condition responsive indicating system
With particular coupling link
340571, 340572, 34082536, 34082549, 340691, 367197, 367199, G08B 108
Patent
active
056776730
ABSTRACT:
An apparatus for locating a plurality of objects including a plurality of receiver units. Each receiver includes a receiver housing with a first pile fastener secured to a bottom surface thereof for allowing coupling with a second pile fastener situated on an entity. A speaker is situated on the top surface of each receiver housing for transmitting an audio signal. Also included is a receiver mechanism situated within the receiver housing and connected to the speaker. Each receiver mechanism is adapted to transmit a unique audio signal via the speaker thereof upon the receipt of a unique activation signal. The second major component is a transmitter unit comprising a plurality of push button switches situated on the front face thereof. Finally, a transmitter mechanism is situated within the transmitter housing and coupled to the push button switches. The transmitter mechanism is adapted to transmit a unique activation signal corresponding to a receiver unit upon the continuous depression of a corresponding push button switch.
REFERENCES:
patent: 4476469 (1984-10-01), Lander
patent: 4935907 (1990-06-01), Friedman
patent: 5204657 (1993-04-01), Prosser et al.
patent: 5410326 (1995-04-01), Goldstein
Hofsass Jeffery
Pope Daryl C.
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