[특허]Respirometer having thermosensitive elements on both sides of a hot wire

Respirometer having thermosensitive elements on both sides of a hot wire 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01F-001/68 A61B-005/08
출원번호	US-0485537 (1974-07-03)
발명자 / 주소	Terada Hideshi (Takatsuki JA)
출원인 / 주소	Minato Medical Science Co., Ltd. (Osaka JA 03)
인용정보	피인용 횟수 : 58 인용 특허 : 0

초록 ▼

A respirometer for measuring the rate of an air flow of respiration includes a hot wire in a path of the air flow. For measuring the rate of the air flow with a discrimination made between the senses of the air flow, a pair of temperature sensitive elements are placed in the path of the air flow on

대표청구항 ▼

A respirometer for use in measuring the rate of an air flow of respiration, comprising: means for defining a one-dimensional path of air flow of respiration; a hot wire in said respiration air flow path; means coupled to said hot wire for maintaining said hot wire substantially at a predetermined temperature; a pair of temperature sensitive elements in said respiration air flow path on respective opposite sides of said hot wire relative to the air flow of respiration in said air flow path, said temperature sensitive elements having an electrical characteristic which varies as a function of temperature; first means electrically connected to said hot wire for producing an electrical output signal representative of the rate of said air flow but without discriminating between the senses of the direction of said air flow; and second means electrically connected to said first means and to said temperature sensitive elements, said second means including: third means electrically connected to said temperature sensitive elements for producing a control signal that assumes a first value during expiration and a second value during inspiration; and fourth means electrically connected to said first and third means and including: switching means responsive to said control signal; first electrical operating means coupled to said switching means and having a first electrical characteristic for operating on said electrical output signal of said first means during inspiration for providing an inspiration output signal; second electrical operating means coupled to said switching means and having a second electrical characteristic for operating on said electrical output signal of said first means during expiration for providing an expiration output signal, and combining means coupled to said first and second electrical operating means for combining the inspiration and expiration output signals thereof and producing a respiration rate signal representative of the rate of said air flow with discrimination between the senses of the direction of said air flow.

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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

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Respirometer having thermosensitive elements on both sides of a hot wire 원문보기

초록 ▼

대표청구항 ▼

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Respirometer having thermosensitive elements on both sides of a hot wire 원문보기

초록 ▼

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이 특허를 인용한 특허 (58)

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