Method of processing data from a spectrophotometer

• US 6,958,479 B2
• Filed: 11/08/2002
• Issued: 10/25/2005
• Est. Priority Date: 05/12/2000
• Status: Expired due to Fees

• Current Assignee: Agresearch Limited
• Original Assignee: Agresearch Limited
• Inventors: Davey, Peter James, Lea, John C. M, Burling-Claridge, Geordie Robert
• Primary Examiner(s): GAGLIARDI, ALBERT J
• Application Number:
  US10/290,205
• Publication Number:
  US 20030122080A1
• Time in Patent Office: 1,082 Days
• Field of Search: 250/339.09, 250/339.11, 250/339.12, 250/341.5, 250/341.8, 250/339.07
• US Class Current: 250/339.09
• CPC Class Codes: G01J 3/02 Details
• CPC Class Codes: G01J 3/0264 Electrical interface; User interface
• CPC Class Codes: G01J 3/0272 Handheld
• CPC Class Codes: G01J 3/28 Investigating the spectrum using colour filters G01J3/51

Abstract

A method of processing data from at least one spectrophotometer characterized by the steps of transferring the data from the spectrophotometer to a control processing unit, processing the data at the central processing unit, and transferring the processed data to the output device.

Claims

1. A method of processing data from at least near infrared spectrophotometer that has a unique electronic identifier, utilizing a central processing unit that is physically remote from the spectrophotometer, said method comprising the steps of:

a) assigning a unique electronic identifier to each spectrophotometer that is connected to the central processing unit;

b) transferring the data from the spectrophotometer to the central processing unit that has access to individual calibrations for each of the spectrophotometers from which the central processing unit receives data to process;

c) determining, by recognizing the unique electronic identifier associated with the data, which spectrophotometer has sent the data to the central processing unit;

d) processing the data at the central processing unit using the individual calibration for the spectrophotometer determined to have sent the data;

e) transferring the processed data to an output device.

2. A method as claimed in claim 1, wherein the central processing unit has access to a standard set of calibrations which can be used in the processing of data for a plurality of spectrophotometers.

3. The method as claimed in claim 1, wherein the central processing unit has access to a data repository of calibrations for a plurality of spectrophotometers.

4. The method as claimed in claim 1, wherein the central processing unit has access to a data repository for data processed from a plurality of spectrophotometers.

5. The method as claimed in claim 1, wherein the output device is the spectrophotometer from which the data has been reviewed.

6. The method as claimed in claim 1, wherein the data sent to the central processing unit has information about the data of the sample analyzed by the spectrophotometer.

7. In combination, a central processing unit and a near infrared spectrophotometer connected to the central processing unit that is physically remote from the spectrophotometer and configured to analyze data acquired by the spectrophotometer;

wherein the spectrophotometer includes a unique identifier that is sent with the acquired data to the central processing unit to provide means for the central processing unit to associate the data received from the spectrophotometer with an individual calibration for the spectrophotometer, wherein said individual calibration is used by the central processing unit in analyzing the data received from the spectrophotometer.

8. The combination as claimed in claim 7, wherein said spectrophotometer includes a data buffer for holding the data acquired from the material analyzed.

9. A method of processing data from multiple near infrared spectrophotometers, said method comprising the steps of:

connecting a central processing unit that is physically remote from the spectrophotometers to said spectrophotometers;

assigned a unique electronic identifier to each of the spectrophotometers connected to the central processing unit;

acquiring data by at least one of said spectrophotometers;

transferring the data from said at least one spectrophotometers to the central processing unit;

determining, based on the unique electronic identifier associated with the data, which spectrophotometer has sent the data to the central processing unit;

processing the data at the central processing unit; and

outputting the processed data to an output device;

wherein said method further comprises;

providing a data repository of calibrations, said data repository comprising at least an individual calibration for each of the spectrophotometers from which said central processing unit receives data to process; and

using the individual calibrations for the respective each of the spectrophotometers in the processing of all data for the respective each of the spectrophotometers.

10. The method as claimed in claim 9, wherein said data repository further comprises, besides said individual calibrations, a standard set of transferable calibrations which can be used in the processing of data for a number of said spectrophotometers.

11. The method as claimed in claim 10, wherein some of said spectrophotometers share same calibration values stored in the standard set of transferable calibrations while others being calibrated with their individual calibrations.

12. The method as claimed in claim 9, wherein the output device is said at least one spectrophotometer from which the data has been received.

13. The method as claimed in claim 12, wherein the processed data being output back to said at least one spectrophotometer includes a calibration determined in said calibrating step for said at least one spectrophotometer.

14. The method as claimed in claim 13, wherein said calibrating step further comprises using the data acquired by said at least one spectrophotometer.

15. The method as claimed in claim 9, wherein the data acquired in said acquiring step is transferred, in said transferring step, to the central processing unit without being processed by said at least one spectrophotometer.

16. The method as claimed in claim 9, further comprising storing the acquired data in a data buffer of said at least one spectrophotometer without processing said acquired data by said spectrophotometer.

17. The method as claimed in claim 9, wherein said unique electronic identifier further includes information about the physical location of the associated spectrophotometer.

18. The method as claimed in claim 9, further comprising providing a database containing data previously processed from said spectrophotometers.

19. The method as claimed in claim 9, wherein said outputting step includes commonly outputting the data received from a number of said spectrophotometers to said output device.

20. The method as claimed in claim 9, further comprising

replacing one of said spectrophotometers with a spare spectrophotometer;

and

calibrating said spare spectrophotometer using its individual calibration stored in said data repository of calibrations.

21. The method as claimed in claim 9, further comprising

replacing one of said spectrophotometers with a spare spectrophotometer, the spectrophotometer being replaced has been calibrated with calibration values stored in the standard set of transferable calibrations;

and

calibrating said spare spectrophotometer using its individual calibration stored in said data repository of calibrations, rather than with calibration values stored in the standard set of transferable calibrations.

22. The method as claimed in claim 9, further comprising generating an alert when a spectrophotometer having an unauthorized electronic identifier is connected to said central processing unit.