[특허]Apparatus and method for temperature measurement by radiation

Apparatus and method for temperature measurement by radiation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01J-005/08 G01J-005/52 G01J-005/62
출원번호	US-0688014 (1991-04-19)
발명자 / 주소	Fraden Jacob (La Jolla CA)
출원인 / 주소	Thermoscan Inc. (San Diego CA 02)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

A thermal radiation sensor is joined with a shutter that is adapted for reversible interruption of radiation from an object to the sensor. The shutter includes an integral electrically operated heater for maintaining a portion of the shutter at a predetermined temperature as a thermal reference for the sensor. The sensor is alternatively exposed to radiation from the object and the thermal reference portion of the shutter, and provides a first signal representative of the radiation that it receives from the object and a second signal representative of the radiation that it receives from the reference portion. An electronic circuit is connected to the sensor for receiving the first and second signals, for calculating the temperature of the object, and for providing a signal representative of the calculated temperature.

대표청구항 ▼

An apparatus for measuring the temperature of an object by thermal radiation, said apparatus comprising: a thermal radiation sensor for receiving radiation from said object; shutter means adapted for reversible interruption of said radiation from said object to said sensor, electrically operated means forming an integral part of a portion of said shutter means for maintaining said portion of said shutter means at a predetermined temperature for comprising a thermal reference portion for said sensor, means for alternatively exposing said thermal radiation sensor to radiation from said object and to radiation from said thermal reference portion of said shutter means, said thermal radiation sensor also being for providing a first signal representative of the radiation it receives from said object, and a second signal representative of the radiation it receives from said portion, electronic circuit means connected to said sensor for receiving said first signal and said second signal, for calculating the temperature of said object, and for providing a signal representative of said calculated temperature. A method for measuring the temperature of an object by thermal radiation, said method comprising: bringing a thermal reference portion of a shutter to a predetermined temperature by electrically operating means for changing temperature which is integral with said shutter, then alternatively exposing a thermal radiation sensor to the thermal reference portion, while said shutter is positioned for interrupting radiation from said object to said sensor, and moving said shutter for providing an optical pathway for exposing said sensor to radiation from said object to said sensor, and processing signals from said sensor caused by the exposure of said sensor to said shutter and to said object, for determining the temperature of the object.

이 특허를 인용한 특허 (37)

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Johnson, Kirk R.; Sheard, Justin M., Shutter for thermal imaging camera.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Apparatus and method for temperature measurement by radiation 원문보기

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Apparatus and method for temperature measurement by radiation 원문보기

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이 특허를 인용한 특허 (37)

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