Methods and systems for determining temperature of an object
First Claim
1. A method of detecting a temperature TO of a remote object, said method comprising:
- storing in memory, a lookup table relating an output voltage of an infrared sensor to a temperature sensed by the infrared sensor V(TO, TA);
determining a temperature sensor voltage output corresponding to a temperature TA proximate the infrared sensor;
determining a first voltage as a function of the temperature TA proximate the infrared sensor and a reference temperature TREF, V(TA,TREF);
determining a second voltage as a function of the temperature of the object TO and the reference temperature TREF, V(TO,TREF) by combining the determined temperature sensor voltage output and the first voltage; and
determining a temperature of the object TO from the lookup table using the second voltage.
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Accused Products
Abstract
Methods and systems for detecting a temperature TO of a remote object are provided. The method includes storing in memory, a lookup table relating an output voltage of an infrared sensor to a temperature sensed by the infrared sensor V(TO, TA), determining a temperature sensor voltage output corresponding to a temperature TA proximate the infrared sensor, determining a first voltage as a function of the temperature TA proximate the infrared sensor and a reference temperature TREF, V(TA,TREF), determining a second voltage as a function of the temperature of the object TO and the reference temperature TREF, V(TO,TREF) by combining the determined temperature sensor voltage output and the first voltage, and determining a temperature of the object TO from the lookup table using the second voltage.
98 Citations
20 Claims
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1. A method of detecting a temperature TO of a remote object, said method comprising:
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storing in memory, a lookup table relating an output voltage of an infrared sensor to a temperature sensed by the infrared sensor V(TO, TA);
determining a temperature sensor voltage output corresponding to a temperature TA proximate the infrared sensor;
determining a first voltage as a function of the temperature TA proximate the infrared sensor and a reference temperature TREF, V(TA,TREF);
determining a second voltage as a function of the temperature of the object TO and the reference temperature TREF, V(TO,TREF) by combining the determined temperature sensor voltage output and the first voltage; and
determining a temperature of the object TO from the lookup table using the second voltage. - View Dependent Claims (2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 14, 16, 18, 19, 20)
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7. A system for determining a temperature of a remote object comprising:
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an infrared temperature sensor;
a temperature sensor configured to detect a temperature of the infrared sensor;
a memory comprising a lookup table of infrared temperature sensor output voltage versus object temperature and associated information; and
a processor communicatively coupled to said infrared temperature sensor, temperature sensor, and memory wherein the processor is programmed to;
store in memory, a lookup table relating an output voltage of an infrared sensor to a temperature sensed by the infrared sensor V(TO, TA);
determine a voltage output of the temperature sensor that corresponds to a temperature TA proximate the infrared temperature sensor;
determine a first voltage as a function of the temperature TA proximate the infrared sensor and a reference temperature TREF, V(TA,TREF);
determine a second voltage as a function of the temperature of the object TO and the reference temperature TREF, V(TO,TREF) by combining the determined temperature sensor voltage output and the first voltage; and
determine a temperature of the object TO from the lookup table using the second voltage. - View Dependent Claims (9)
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15. A computer program embodied on a computer readable medium for detecting a temperature TO of a remote object, said program comprising a code segment that:
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stores in memory, a lookup table relating an output voltage of an infrared sensor to a temperature sensed by the infrared sensor V(TO, TA);
determines a temperature sensor voltage output corresponding to a temperature TA proximate the infrared sensor;
determines a first voltage as a function of the temperature TA proximate the infrared sensor and a reference temperature TREF, V(TA,TREF);
determines a second voltage as a function of the temperature of the object TO and the reference temperature TREF, V(TO,TREF) by combining the determined temperature sensor voltage output and the first voltage; and
determines a temperature of the object TO from the lookup table using the second voltage. - View Dependent Claims (17)
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Specification