# US 8,770,472 B2 · System and method for automated HOV lane toll collection

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- Number: US 8,770,472 B2
- Document ID: US8770472B2
- Status: Granted
- Kind: B2
- Application number: 13/793,551
- Filed: 2013-03-11
- Published: 2013-09-26
- Granted: 2014-07-08
- Earliest claimed: 2012-03-13
- Assignees: Amtech Systems, LLC
- Applicants: Amtech Systems, LLC
- Inventors: Kelly Gravelle; George McGraw; Charles A. Johnson
- Web page: https://patentgrep.com/patent/US8770472B2

## CPC

- G06K 19/0723: {the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs}
- G06K 19/0719: {at least one of the integrated circuit chips comprising an arrangement for application selection, e.g. an acceleration sensor or a set of radio buttons (application selection on smart cards using pure software control, see G07F7/10)}
- G07B 15/063: {using wireless information transmission between the vehicle and a fixed station (identification of vehicles G08G)}
- G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G07B: TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS

## Abstract

An RFID tag is disclosed for use in roadway tolling systems having specially designated lanes for high occupancy vehicles, wherein more favorable toll rates are allotted to vehicles with more than one occupant. In an embodiment, the tag has a selection switch for connecting one of a plurality of ASICs to an antenna. Each ASIC is programmed to transmit a different message, wherein the message conveys information regarding the occupancy level of the vehicle. There is also information in the ASICs that is common to them for the tag.

## Claims

### Claim 1

An RFID tag for use in roadway tolling comprising: a first ASIC; a second ASIC; an antenna; wherein said tag having a first memory location for vehicle identification and a second memory location for vehicle occupancy; and a selector switch, wherein said first ASIC is programmed to transmit information including a first occupancy level, said second ASIC is programmed to transmit information including a second occupancy level, and said selector switch connects either said first or second ASIC to said antenna.

### Claim 2 (depends on 1)

The RFID tag of claim 1, wherein said first and second ASICS also transmit information that is common to both ASICS in addition to said information regarding occupancy level.

### Claim 3 (depends on 1)

The RFID tag of claim 1, further comprising a third ASIC, wherein said third ASIC is programmed to transmit information including a third occupancy level, and
said selector switch connects either said first, second or third ASIC to said antenna.

### Claim 4 (depends on 1)

The RFID tag of claim 1, wherein said selector switch connects said first and second ASICs to said antenna through a capacitive pad.

### Claim 5 (depends on 4)

The RFID tag of claim 4, wherein said switch comprises a rotating disc.

### Claim 6 (depends on 1)

The RFID tag of claim 1, wherein said selector switch is AC coupled to said antenna.

### Claim 7

A system for electronic collection of roadway tolls comprising: a tag reader; a tag having a first memory location for vehicle identification and a second memory location for vehicle occupancy, wherein said tag reader uses a read only protocol to access said first memory location and a read/write protocol to access said second memory location; wherein said RFID tag comprises a first ASIC; a second ASIC; an antenna; and a selector switch, wherein said first ASIC is programmed to transmit information including a first occupancy level, said second ASIC is programmed to transmit information including a second occupancy level, and said selector switch connects either said first or second ASIC to said antenna.

### Claim 8 (depends on 7)

The system, of claim 7, wherein said first and second ASICS also transmit information that is common to both ASICS in addition to said information regarding occupancy level.

### Claim 9 (depends on 7)

The system of claim 7, further comprising a third ASIC, wherein said third ASIC is programmed to transmit information including a third occupancy level, and said selector switch connects either said first, second or third ASIC to said antenna.

### Claim 10 (depends on 7)

The system of claim 7, wherein said selector switch connects said first and second ASICs to said antenna through a capacitive pad.

### Claim 11 (depends on 7)

The system of claim 7, wherein said selector switch is AC coupled to said antenna.

### Claim 12 (depends on 7)

The system of claim 7, wherein said switch comprises a rotating disc.

### Claim 13

A method for automated vehicle toll collection comprising:
providing an RFID transponder reader;
providing an RFID transponder for use in the vehicle, said RFID transponder having:
a first ASIC;
a second ASIC;
an antenna; and
a selector switch, wherein
said first ASIC is programmed to transmit information including a first occupancy level,
said second ASIC is programmed to transmit information including a second occupancy level, and
said selector switch connects either said first or second ASIC to said antenna actuating said selector switch to connect said first ASIC to said antenna to indicate said first
occupancy level and actuating said selector switch to connect said second ASIC to said antenna to indicate said second occupancy level.