Many new cars have proximity sensors that beep with increasing frequency ... Aftermarket sensor and camera systems allow any vehicle to be retrofitted with some sort of warning device.

Researchers have tried duplicating these abilities in noncontact sensors like vehicle proximity notification systems. Another potential application of such sensors is to enhance small devices like ...

Canyon has said that it working to equip some of its high-end e-bikes with proximity beacons spottable ... several years on “bicycle-to-vehicle” (B2V) sensors. The World Bicycle Industry ...