Patent ID: 8013720

Claim:
A system for signaling a driver of a vehicle to start and stop reverse motion of the vehicle, comprising: a transmitter positioned outside of the vehicle and configured to transmit a first signal in response to activation of the transmitter, the transmitter being configured to cease transmission of the first signal upon deactivation of the transmitter; a receiver configured to detect the first signal; and one or more indicators positioned proximate the driver of the vehicle and in communication with the receiver, wherein the one or more indicators are configured to provide a first set of human perceivable indicators in response to the receiver detecting the first signal, wherein the first set of human perceivable indicators comprises two or more tones emitted from a speaker, the two or more tones being separated by a predetermined period where another tone or no tone is emitted from the speaker, the first series of human perceivable indicators indicating to the driver that the vehicle may proceed with a reverse motion movement; wherein the one or more indicators are further configured to provide a second set of human perceivable indicators, different than the first set, in response to the receiver ceasing to receive the first signal, the second set of human perceivable indicators indicating to the driver that the vehicle should not proceed with the reverse motion movement.