Distributed vehicle event recorder systems having a portable memory data transfer system
Data transfer systems for vehicle event recorders are provided as: a vehicle event recorder, a vehicle event recorder resident memory, and upload module in conjunction with, a communication port suitable for coupling with, a portable memory device, a server computer datastore, a server download module in conjunction with, a similar cooperating communications port. The portable memory device is arranged to operably couple with the communications ports of both the vehicle event recorder and the server computer and to be repeatedly moved between the two. The upload/download modules are arranged to transfer data to/from the portable memory in an orderly fashion in which no files are removed from the vehicle event recorder resident memory without first having been successfully transferred to the server computer datastore.
1. A vehicle event recorder system comprising:
a video event recorder, said video event recorder comprising an upload module, a resident memory, and a video event recorder communications port;
a portable memory; and
a server computer, said server computer comprising a download module, a datastore, and a server communications port,
wherein the video event recorder communications port is arranged for electromechanical coupling with said portable memory,
wherein the server communications port is arranged for similar electromechanical coupling with said portable memory,
wherein said upload module is communicatively coupled to the vehicle event recorder's resident memory and the vehicle event recorder's communications port such that execution of data transfer actions therebetween is facilitated, and
wherein said download module is communicatively coupled to the server computer's datastore and the server computer's communications port such that execution of data transfer actions therebetween is facilitated.
2. The vehicle event recorder system of claim 1 , wherein said video event recorder further comprises:
a plurality of sensors; and
a resident memory,
wherein said plurality of sensors are coupled to vehicle subsystems and environments, and further arranged to capture data related to vehicle performance, and
wherein said resident memory is arranged to receive and store said data from the plurality of sensors, the data being characterized as event record datasets.
3. The vehicle event recorder system of claim 2 , wherein said video event recorder further comprises:
at least one video camera arranged with a field-of-view including an environment about a vehicle,
wherein said resident memory is arranged to receive and store video data from the at least one video camera, the video data comprising at least a portion of the event record datasets.
4. The vehicle event recorder system of claim 3 , wherein said video event recorder further comprises:
a coupling to a vehicle on-board diagnostics system whereby diagnostic data provided by the on-board diagnostic system is received and stored along with the video data as at least a portion of the event record datasets.
5. The vehicle event recorder system of claim 1 wherein,
said video event recorder communications port and said server communications port are each arranged with an electromechanical coupling operable for repeated coupling and decoupling, and
wherein said portable memory is arranged with a complementary electromechanical coupling also operable for repeated coupling and decoupling such that the portable memory is configured to be alternately coupled with the vehicle event recorder and server computer.
6. The vehicle event recorder system of claim 5 , wherein said portable memory further comprises a coupling which conforms to the protocol and structure defined in either of those from the group including: USB flash; CompactFlash; or Secure Disk flash.
7. The vehicle event recorder system of claim 1 , wherein said portable memory further includes a computer readable control file which reflects a download state of event record datasets.
8. The vehicle event recorder system of claim 7 , wherein said upload module includes an upload manager system operable for executing program code to effect:
receipt and processing of control files;
data transfer actions; and
preparing and writing of control files to the portable memory,
wherein said receipt and processing of control files includes reading a control file on the portable memory while the portable memory is coupled with the vehicle event recorder to determine the transfer state of a prescribed set of event record datasets,
wherein said data transfer actions include transferring data from the vehicle event recorder resident memory to the portable memory in agreement with a transfer scheme, and
wherein said preparing and writing control files to the portable memory includes providing indicia to the portable memory to reflect a transfer status.
9. The vehicle event recorder system of claim 8 , wherein said download module includes a download manager system operable for executing program code to effect:
receipt and processing of control files;
data transfer actions; and
preparing and writing of control files to the portable memory,
wherein said receipt and processing of control files includes reading a control file on the portable memory while the portable memory is coupled with the server computer to determine the transfer state of a prescribed set of event record datasets,
wherein said data transfer actions include transferring data from the portable memory to the server computer datastore in agreement with a transfer scheme, and
wherein said preparing and writing control files to the portable memory includes providing indicia to the portable memory to reflect a transfer status.
10. A vehicle event recorder system comprising:
a video event recorder, said video event recorder comprising an upload module, a resident memory, a video camera, a microcontroller, and a video event recorder communications port;
a portable memory; and
a server computer, said server computer comprising a download module, a datastore, and a server communications port,
wherein the video event recorder communications port is arranged for electromechanical coupling with said portable memory,
wherein the server communications port is arranged for similar electromechanical coupling with said portable memory,
wherein the video camera has a field-of-view including an environment about a vehicle and is operable to provide image data for temporary storage in the resident memory, and
wherein the microcontroller is arranged to affect a transfer of data under direction of the upload module from the resident memory to the portable memory coupled to the vehicle event recorder's communications port.
11. The vehicle event recorder system of claim 10 , wherein said server computer comprises:
the datastore;
a microprocessor; and
the download module,
wherein the server computer is arranged as an application specific computing system which provides data analysis and data handling services on data from the vehicle event recorder including storage of data at the datastore; and
wherein the microprocessor is arranged to affect a data transfer under direction of the download module from the portable memory to the datastore via the server computer's communications port.
12. A method of conveying event records originated in a vehicle event recorder to a remote cooperating server computer, the method facilitated by a processor of the vehicle event recorder and a processor of the remote cooperating server computer, the method comprising:
writing, with an upload module associated with the processor of the vehicle event recorder, an event record dataset to a portable memory coupled to the vehicle event recorder;
receiving, responsive to said portable memory being decoupled from the vehicle event recorder and transported to said cooperating server computer, the portable memory with a server communications port of the cooperating server computer; and
reading the event record dataset from said portable memory into a datastore of the cooperating server with a download module associated with the processor of the cooperating server computer.
13. The method of claim 12 , further comprising:
indicating, with a download manager system of the download module, a successful transfer of the event record dataset from said portable memory into the datastore of the cooperating server; and
receiving, responsive to said portable memory being decoupled from the cooperating server and transported to the vehicle event recorder, the portable memory with a vehicle event recorder communications port of the vehicle event recorder.
14. The method of claim 13 , further comprising:
overwriting, with the upload module of the vehicle event recorder, the event record data set on said portable memory with new event record data sets.
15. The method of claim 14 , wherein the indication by the download manager system of the download module of a successful transfer of the event record dataset from the portable memory into the datastore of the cooperating server is stored on the portable memory.
16. The method of claim 13 , wherein the vehicle event recorder communications port is mounted in a motor vehicle windscreen, and wherein and electrical connection is established between the portable memory and the vehicle event recorder responsive to the portable memory being received by the vehicle event recorder communications port.