Radiation clinical thermometer
First Claim
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1. A radiation clinical thermometer comprising:
- a probe including an optical system constituted by focusing means for focusing infrared radiation from an object to be measured and a filter having transmission wavelength characteristics, an infrared sensor for converting infrared radiation energy into an electrical signal, and a temperature-sensitive sensor for measuring a temperature of said infrared sensor and an ambient temperature thereof;
detection signal processing means for receiving electrical signals from said infrared sensor and said temperature-sensitive sensor and outputting the electrical signals as digital infrared data and temperature-sensitive data, respectively;
body temperature operating means for calculating body temperature data; and
a display unit for displaying a body temperature in accordance with the body temperature data, including filter correcting means for setting a correction value based on the transmission wavelength characteristics of said filter, wherein said body temperature operating means receives the infrared data, the temperature-sensitive data, and the correction value from said filter correcting means so as to calculate body temperature data.
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Abstract
A radiation clinical thermometer includes a probe, a detection signal processing section, a body temperature operating section, and a display unit. A filter correction section for setting a correction value based on the transmission wavelength characteristics of a filter is arranged. The body temperature operating section receives infrared data, temperature-sensitive data, and the correction value from the filter correction section so as to calculate body temperature data.
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Citations
23 Claims
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1. A radiation clinical thermometer comprising:
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a probe including an optical system constituted by focusing means for focusing infrared radiation from an object to be measured and a filter having transmission wavelength characteristics, an infrared sensor for converting infrared radiation energy into an electrical signal, and a temperature-sensitive sensor for measuring a temperature of said infrared sensor and an ambient temperature thereof; detection signal processing means for receiving electrical signals from said infrared sensor and said temperature-sensitive sensor and outputting the electrical signals as digital infrared data and temperature-sensitive data, respectively; body temperature operating means for calculating body temperature data; and a display unit for displaying a body temperature in accordance with the body temperature data, including filter correcting means for setting a correction value based on the transmission wavelength characteristics of said filter, wherein said body temperature operating means receives the infrared data, the temperature-sensitive data, and the correction value from said filter correcting means so as to calculate body temperature data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A radiation clinical thermometer comprising:
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a probe including an optical means for focusing infrared radiation from an object to be measured, an infrared sensor for converting infrared radiation energy into an electrical signal, and a temperature-sensitive sensor for measuring a temperature of said infrared sensor and an ambient temperature thereof; detection signal processing means for receiving electrical signals from said infrared sensor and said temperature-sensitive sensor and outputting the electrical signals as digital infrared data and temperature-sensitive data, respectively; body temperature operating means for calculating body temperature data, and a display unit for displaying a body temperature in accordance with the body temperature data, characterized by a zero detector for receiving the infrared data output from said detection signal processing means and determining presence/absence of the infrared data, wherein said zero detector outputs a detection signal when the infrared data is determined to be zero or a small value. - View Dependent Claims (13, 14)
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15. A radiation clinical thermometer comprising:
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a probe including an optical means for focusing infrared radiation from an object to be measured, an infrared sensor for converting infrared radiation energy into an electrical signal, and a temperature-sensitive sensor for measuring a temperature of said infrared sensor and an ambient temperature thereof; detection signal processing means for receiving electrical signals from said infrared sensor and said temperature-sensitive sensor and outputting the electrical signals as digital infrared data and temperature-sensitive data, respectively; body temperature operating means for calculating body temperature data; and a display unit for displaying a body temperature in accordance with the body temperature data, wherein said detection signal processing means includes a peak holding circuit for holding a peak value of the electrical signal from said infrared sensor as analog data and an A/D converter for converting a peak value voltage held in said peak holding circuit into digital infrared data, and said body temperature operating means calculates the body temperature data by using the infrared data converted from the peak value voltage; and wherein said probe including a filter having transmission wavelength characteristics and wherein said display unit includes filter correcting means for setting a correction value based on the transmission wavelength characteristics of said filter, wherein said body temperature operating means receives the infrared data, the temperature-sensitive data, and the correction value from said filter correcting means so as to calculate body temperature data. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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Specification