Patent ID: 6989739

Claim:
A multi-window monitoring system, comprising: a data collection assembly ( 10 ) having an assembly controller ( 11 ); a memory device ( 111 ) connected to the assembly controller ( 11 ); multiple ultrasonic signal transceivers ( 20 ); multiple signal processing circuits ( 21 ) connected to the assembly controller ( 11 ) and respectively to the ultrasonic signal transceivers ( 20 ); and a wireless signal transmitter ( 12 ) connected to the assembly controller ( 11 ); a console unit ( 30 ) having a unit controller ( 31 ); a signal receiver ( 32 ); an alarm ( 33 ); and an image overlay controller ( 40 ) that has multiple video input terminals, a data input terminal connected to the unit controller ( 31 ) and an video output terminal; multiple video cameras ( 50 ) connected respectively to the video input terminals of the image overlay controller ( 40 ); and a monitor ( 60 ) connected to the video output terminal of the image overlay controller ( 40 ) and having a touch-screen with multiple function keys.