Detector coupling mechanism

Details Detector coupling mechanism Detector coupling mechanism

1979-04-10

1981-08-25

Kundrat, Andrew V.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

403 3, 403348, G01N 2312

Patent

active

042861594

ABSTRACT:
A fire detector comprising a socket and a detector head with an electric circuit therein. The socket is provided with couplings for voluntarily defining the structure of an engaging portion thereof to designate a detector head to be coupled and each engaging portion of the detector heads have a specific structure to engage with the engaging portion defined by the couplings. Hence, no detector head other than the designated detector head can be coupled to the socket plate.

REFERENCES:
patent: 3681603 (1972-08-01), Scheidweiler et al.
patent: 3710110 (1973-01-01), Lampart et al.
patent: 3767917 (1973-10-01), Lampart et al.
patent: 3964036 (1976-06-01), Adachi et al.
patent: 4044262 (1977-08-01), Minowa

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