Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1978-01-13
1980-09-02
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
250385, G01T 118
Patent
active
042208629
ABSTRACT:
An ionization chamber for a smoke detector is disclosed wherein entry of airborne combustion products to the chamber is enhanced by an improved aperture and inlet surface arrangement which is formed in an electrode housing member for the chamber.
REFERENCES:
patent: 4017733 (1977-04-01), Ishii et al.
General Electric Company
Howell Janice A.
Powers George R.
Smith Alfred E.
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