Object detecting apparatus

Details Object detecting apparatus Object detecting apparatus

1998-05-15

1999-11-09

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

340692, 3406935, 3406939, 342 24, 342118, 367118, G08B 2300

Patent

active

059822864

ABSTRACT:
An object detecting apparatus includes at least one transmitter and receiver pair having a transmitter for transmitting waves and a receiver for detecting reflected waves caused by objects reflecting the transmitted waves. The receiver outputs reflected wave detected signals in response to detecting reflected waves. A control unit is connected to the at least one transmitter and receiver pair for providing transmit control signals to the transmitter and for receiving and evaluating the reflected wave detected signals from the receiver. The control unit also determines a distance between the receiver and the object. There is also provided at least one speaker connected to the control unit for providing an audible signal.

REFERENCES:
patent: 3172075 (1965-03-01), Kay
patent: 3366922 (1968-01-01), Kay
patent: 3742433 (1973-06-01), Kay et al.
patent: 4761770 (1988-08-01), Kim et al.
patent: 5235316 (1993-08-01), Qualizza
patent: 5453740 (1995-09-01), Gallagher et al.
patent: 5627510 (1997-05-01), Yuan

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