# US 2009/0262012 A1 · Radiometer and temperature compensation system

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- Number: US 2009/0262012 A1
- Document ID: US20090262012A1
- Status: Published application
- Kind: A1
- Application number: 12/103,854
- Filed: 2008-04-16
- Published: 2009-10-22
- Earliest claimed: 2008-04-16
- Inventors: Paul Carlson; Samir Jain; Jill Ryan; Jeffrey Elrod; Roger Schmidt; Larry Wilson; Medwin Schreher
- Web page: https://patentgrep.com/patent/US20090262012A1

## CPC

- G01J 5/0003: {for sensing the radiant heat transfer of samples, e.g. emittance meter}
- G01J 5/0265: {Handheld, portable (ear thermometers G01J5/049)}
- G01J 5/07: Arrangements for adjusting the solid angle of collected radiation, e.g. adjusting or orienting field of view, tracking position or encoding angular position (optical collimating elements G01J5/0806)
- G01J 2005/0077: {Imaging}
- G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N)

## Abstract

A radiometer for measuring temperature data can include a data reader for reading target data associated with a measurement target and generating temperature data based on the target data. A temperature compensation system can include a radiometer with a data reader and one or more data tags placed proximate corresponding measurement targets. The data tags can contain target data including a target identifier and/or compensation data, among other data. The compensation data can include, for example, a target emissivity. In some embodiments the data reader can include an optical scanning device and/or an RFID reader.

## Claims

### Claim 1

A radiometer for measuring a temperature of a target, comprising:
an infrared detector for sensing infrared radiation from the target and generating a signal corresponding to the infrared radiation;
an optical system for collecting the infrared radiation and imaging it onto the infrared detector;
a data reader adapted to read target data corresponding to the target from a data tag; and
a processor coupled to the infrared detector and the data reader, the processor programmed to generate temperature data based on the signal generated by the infrared detector and the target data.

### Claim 2 (depends on 1)

The radiometer of claim 1, wherein the infrared detector comprises an array of infrared detectors for capturing an infrared image of the target.

### Claim 3 (depends on 1)

The radiometer of claim 1, wherein the data reader comprises a bar code scanner adapted to read the target data from the data tag.

### Claim 4 (depends on 1)

The radiometer of claim 1, wherein the data reader comprises an RFID reader adapted to read the target data from the data tag.

### Claim 5 (depends on 1)

The radiometer of claim 1, wherein the target data comprises compensation data corresponding to the target.

### Claim 6 (depends on 5)

The radiometer of claim 5, wherein the compensation data comprises an emissivity of the target.

### Claim 7 (depends on 5)

The radiometer of claim 5, wherein the compensation data comprises a reflectivity and a reflected temperature of the target.

### Claim 8 (depends on 5)

The radiometer of claim 5, wherein the compensation data comprises a transmissivity and a background temperature of the target.

### Claim 8 (depends on 10)

The system of claim 10, wherein the data tag comprises an RFID tag and the data reader comprises an RFID reader adapted to read the target data from the RFID tag.

### Claim 9 (depends on 1)

The radiometer of claim 1, further comprising a memory storing compensation data corresponding to the target, wherein the target data comprises a target identifier associated with the stored compensation data.

### Claim 10

A noncontact temperature-measuring system comprising:
a radiometer including an infrared detector, an optical system adapted to collect infrared radiation from a target and image it onto the infrared detector, and a processor coupled to the infrared detector, the processor programmed to generate temperature data based on the infrared radiation;
a data tag comprising target data corresponding to the target; and
a data reader external to and coupled with the radiometer, the data reader adapted to read the target data from the data tag and communicate the target data to the radiometer, wherein
the processor of the radiometer is further programmed to generate the temperature data based on the target data.

### Claim 11 (depends on 10)

The system of claim 10, wherein the infrared detector comprises an array of infrared detectors for capturing an infrared image of the target.

### Claim 12 (depends on 10)

The system of claim 10, wherein the data reader comprises a bar code scanner.

### Claim 14 (depends on 10)

The system of claim 10, wherein the target data comprises compensation data.

### Claim 15 (depends on 14)

The system of claim 14, wherein the compensation data comprises an emissivity of the target.

### Claim 16 (depends on 10)

The system of claim 10, wherein the target data comprises a target identifier and further comprising a memory storing compensation data corresponding to the target identifier, and wherein the processor is programmed to retrieve the compensation data from the memory and generate the temperature data based on the compensation data.

### Claim 17 (depends on 16)

The system of claim 16, wherein the compensation data comprises an emissivity of the target.

### Claim 18 (depends on 16)

The system of claim 16, further comprising a remote computer, wherein the remote computer comprises the memory.

### Claim 19 (depends on 10)

The system of claim 10, further comprising a plurality of data tags comprising target data corresponding to a plurality of targets.

### Claim 20

A method of noncontact temperature measurement, comprising:
receiving infrared radiation emitted from a target;
reading target data from a data tag associated with the target; and
automatically generating temperature data based on the infrared radiation and the target data.

### Claim 21 (depends on 20)

The method of claim 20, wherein the target data comprises an emissivity of the target.

### Claim 22 (depends on 20)

The method of claim 20, wherein the target data comprises a target identifier, and further comprising retrieving compensation data corresponding to the target identifier from a memory.

### Claim 23 (depends on 22)

The method of claim 22, wherein the compensation data comprises an emissivity of the target, and wherein generating the temperature data based on the target data comprises generating the temperature data based on the emissivity.

### Claim 24

A method of setting up a temperature measurement survey, comprising:
identifying a target of temperature measurement;
providing compensation data corresponding to the target;
associating the compensation data with a data tag; and
locating the data tag proximate the target, wherein the data tag can be read by a radiometer for generating a temperature of the target based on the compensation data.

### Claim 25 (depends on 24)

The method of claim 24, wherein associating the compensation data with the data tag comprises storing the compensation data on the data tag.

### Claim 26 (depends on 24)

The method of claim 24, wherein the compensation data comprises an emissivity of the target.