RFID vehicle tag with manually adjustable data fields

摘要

An RFID tag for use in a vehicle for use in an electronic toll collecting system. The tag is capable of transmitting data to a tag interrogator indicating the occupancy status of the vehicle. In an embodiment, the tag has a user input and a visual and audible tag status indicator. The user input is used to change the occupancy status of the tag, wherein the occupancy status is a portion of a message sent by radio frequency to the interrogator when the vehicle passes through a toll area.

主权项

1. A system for electronic toll collection comprising:
a tag interrogator; and a tag comprising a manual user input and an audible or visual status indicator, wherein said manual user input sets a state of said tag, said tag interrogator reads said state and said interrogator performs an action based on said state of said tag and wherein said status indicator indicates said state upon said setting of said state and further indicates a status of a second tag attribute in response to a stimulus other than said setting of said state.