Retrofit vehicle sensor

1. A device for upgrading an existing meter by retrofit, the device comprising:

a) a first sensor configured to collect first information pertaining to a local external environment of the existing meter;

b) a second sensor configured to collect second information pertaining to the local external environment of the existing meter;

c) a wireless radio configured to:

i) obtain an identifier from the existing meter, the identifier associated with a unique physical location;

ii) transmit the identifier to a remote server or to the existing meter to obtain configuration information; and

iii) transmit the first information, the second information, or both the first information and the second information to one or more of: the existing meter, the remote server, and a handheld parking enforcement device; and

d) a power system configured to controllably supply power to the first sensor, the second sensor, and the wireless radio;

wherein the device is configured to retrofit the existing meter by physically mounting to a structure associated with the existing meter to upgrade the existing meter without mechanically altering or replacing the existing meter.

2. The device of claim 1 , wherein the existing meter is a single space parking meter.

3. The device of claim 1 , wherein the existing meter is a multi-space parking meter.

4. The device of claim 1 , wherein the second information comprises one or more images of the local external environment of the existing meter.

5. The device of claim 1 , wherein the first sensor comprises: a camera, a radar, a time of flight sensor, a ranging sensor, a magnetic sensor, a magnetic-flux sensor, a capacitance sensor, a proximity sensor, an ultrasonic sensor, an infrared sensor, a microwave sensor, a RF sensor, or a combination thereof.

6. The device of claim 5 , wherein the first sensor comprises two or more cameras.

7. The device of claim 1 , wherein the second sensor comprises: a camera, a radar, a time of flight sensor, a ranging sensor, a magnetic sensor, a magnetic-flux sensor, a capacitance sensor, a proximity sensor, an ultrasonic sensor, an infrared sensor, a microwave sensor, a RF sensor, or a combination thereof.

8. The device of claim 1 , wherein the wireless radio utilizes ISM-band, Wi-Fi, Bluetooth, or ZigBee.

9. The device of claim 1 , wherein the identifier comprises a meter identification associated with the existing meter.

10. The device of claim 9 , wherein the wireless radio is further configured to transmit the meter identification in association with the first information, the second information, or both the first information and the second information.

11. The device of claim 1 , wherein the wireless radio is further configured to transmit one or more of: the identifier, the configuration information, a meter identification, a meter location, a vehicle identification, a license plate information, a vehicle registration information, and a citation history to one or more of: the existing meter, the remote server, and the handheld parking enforcement device.

12. The device of claim 1 , wherein the power system powers up the second sensor in response to the collection of the first information.

13. The device of claim 1 , wherein the second sensor collects the second information in response to the collection of the first information.

14. The device of claim 1 , wherein the device is operationally self-sufficient, the first sensor, the second sensor, the wireless radio, and the power system not electrically connected to the existing meter.

15. The device of claim 1 , wherein the power system comprises one or more non-rechargeable batteries.

16. The device of claim 1 , wherein the power system comprises one or more rechargeable batteries.

17. A system comprising:

a) a physical structure;

b) an existing meter associated with the physical structure; and

c) a device for upgrading the existing meter by retrofit, the device configured to physically mount to the physical structure to upgrade the existing meter without mechanically altering or replacing the existing meter, the device comprising:

i) a first sensor configured to collect first information pertaining to a local external environment of the existing meter;

ii) a second sensor configured to collect second information pertaining to the local external environment of the existing meter;

iii) a wireless radio configured to: obtain an identifier from the existing meter, the identifier associated with a unique physical location; transmit the identifier to a remote server or to the existing meter to obtain configuration information; and transmit the first information, the second information, or both the first information and the second information to one or more of: the existing meter, the remote server, and a handheld parking enforcement device; and

iv) a power system configured to supply power to the first sensor, the second sensor, and the wireless radio.

18. A method of upgrading a meter comprising:

a) physically affixing a device for upgrading an existing meter by retrofit to a physical structure associated with the existing meter; and

b) positioning the device to with respect to a local external environment of the existing meter;

c) wherein the device comprises:

i) a first sensor configured to collect first information pertaining to the local external environment of the existing meter;

ii) a second sensor configured to collect second information pertaining to the local external environment of the existing meter;

iii) a wireless radio configured to: obtain an identifier from the existing meter, the identifier associated with a unique physical location; transmit the identifier to a remote server or to the existing meter to obtain configuration information; and transmit the first information, the second information, or both the first information and the second information to one or more of: the existing meter, the remote server, and a handheld parking enforcement device; and

iv) a power system configured to supply power to the first sensor, the second sensor, and the wireless radio;

wherein the existing meter is not mechanically altered or replaced.

19. The device of claim 1 , wherein the device is configured to mount to the structure below the existing meter.

20. The method of claim 18 , wherein the device is affixed to the structure below the existing meter.