Ionization fire detector

Details Ionization fire detector Ionization fire detector

1993-08-10

1994-03-29

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Flame ionization detector

73 3105, 340629, G08B 2100

Patent

active

052982238

ABSTRACT:
An ionization fire detector of the type including a measuring chamber and a reference chamber having a common electrode which is connected to the gate terminal of a field-effect transistor by a profile piece of conductive caoutchouc having one end contacting the gate terminal and another end contacting the common electrode.

REFERENCES:
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patent: 3909815 (1975-09-01), Gacogne
patent: 3963929 (1976-06-01), Beyersdorf
patent: 3964036 (1976-06-01), Adachi et al.
patent: 4027165 (1977-05-01), Jacobs
patent: 4041479 (1977-08-01), Miyabe
patent: 4109240 (1978-08-01), Scheidweiler
patent: 4150373 (1979-04-01), Ried, Jr.
patent: 4383253 (1983-05-01), Lam et al.
patent: 4394079 (1983-07-01), Takematsu
patent: 4934367 (1990-06-01), Daglow et al.
Peter et al; "Shielded Connectors"; IBM Tech. Bull. Discl. vol. 22(2) pp. 523-524; Aug./Jul. 1979.
Miller et al; "Solderless electrical Contactors"; IBM Tech Bull. Discl. vol. 7(1), pp. 101-102; Jun. 1964.

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