Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – Space discharge device
Patent
1994-03-18
1996-04-16
Picard, Leo P.
Electricity: electrothermally or thermally actuated switches
Electrothermally actuated switches
Space discharge device
337 32, 337 34, 337 15, 361117, 361120, H01H 6100, H01H 3900, H02H 100, H02H 104
Patent
active
055086756
ABSTRACT:
A miniature overvoltage protection device including a back-up air gap for use in miniature telephone modules and related equipment includes a generally U-shaped bracket adapted to receive an overvoltage protection device thereon and has a bracket insulating member with a dielectric disposed between the overvoltage protection device terminals and the ground provided on a U-shaped bracket in order to provide back-up air gap protection. In addition, it may include a thermally sensitive material to insulate the overvoltage protection device from the grounding bracket which is activated upon excessive heat occurring in the overvoltage protection device.
REFERENCES:
patent: 3975664 (1976-08-01), Baumbach
patent: 4150414 (1979-04-01), Pagliuca
patent: 4212047 (1980-07-01), Napiorkowski
patent: 4303959 (1981-12-01), Roberts
patent: 4326231 (1982-04-01), Coren
patent: 4380036 (1983-04-01), Coren
patent: 4405967 (1983-09-01), Cwirzen
patent: 5027100 (1991-06-01), Neuwirth
patent: 5029302 (1991-07-01), Masghati
patent: 5313183 (1994-05-01), Kasahara
patent: 5388023 (1995-02-01), Boy
Picard Leo P.
Ryan Stephen T.
Sachs Martin
TII Industries Inc.
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