Abstract: A remote vehicle identification and disabling system for identifying and controlling a vehicles engine. The system has a limited ranged programmable transceiver unit mounted in a non-civilian vehicle for sending and receiving a signal through an antenna located in the grille. A control and display unit is located in the cab that allows access to an onboard computer for accessing a remote police database. The system also has a civilian vehicle mounted multiple channel transceiver that controls a fail-open valve which is connected to a fuel line of the civilian vehicle to control the amount of fuel supplied to the engine. The civilian vehicle unit transmits an identification signal to the non-civilian unit upon request and if the civilian unit receives the identical identification signal from the non-civilian unit then the valve will be activated. A remote control unit transmitting at a frequency other than the non-civilian unit can be used to activate the valve.

Abstract: An emergency vehicle detection system for alerting a driver of an approaching emergency vehicle includes a sound signal-producing unit mounted on an emergency vehicle, a sound signal detection unit mounted on a non-emergency vehicle, and a display unit remotely located on the non-emergency vehicle. The sound signal-producing unit has a sound generator for producing and transmitting a sound signal. A switch is used for controlling the operation of the sound generator in combination with a siren. The sound signal detection unit has at least one sound transducer for detecting sound signals and producing an electric current upon detection of a signal. A signal comparator is connected to the sound transducers for comparing the currents from the transducers to preprogrammed patterns. If there is matching pattern, a signal output encoder connected to the signal comparator constructs an encoded signal and transmits the encoded signal to a remotely located display unit through a transmitter.