Patent ID: 9536430
Date: 2017-01-03
CPC Classifications: G01S,G08G

Claim:
1. A method for notifying at least one user of the status of at least one parking space, comprising: transmitting at least one pulse from one or a plurality of transceivers concurrently, wherein each of said plurality of transceivers is located on an opposing side of a device housing and angled at a trajectory towards one or a plurality of parking spaces, and for each pulse: receiving by respective transceiver a corresponding echo created by said pulse being reflecting back from at least one object occupying respective said parking space; concurrently measuring corresponding echo time by at least one processing unit; concurrently comparing said corresponding echo time to a predefined range of echo times by at least one processing unit to determine occupancy of respective said parking space; using said occupancy of respective said parking space to determine the status of respective said parking space by at least one processing unit, together with information on time of day and parking space permission; and, notifying at least one user of respective said parking space status by indication from at least one light emitting diode array or through web, vehicle and/or mobile phone-based applications or a sign display or wireless devices.