Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent
1994-04-06
1995-06-13
Dwyer, James L.
Telephonic communications
Subscriber line or transmission line interface
Network interface device
379412, 379387, 379331, 361117, 361118, 361119, 338 22R, 338 22SD, H04M 908
Patent
active
054250994
ABSTRACT:
A positive temperature coefficient thermistor element comprising a plate-shaped ceramic body made of a ceramic material whose Curie temperature is in the range of 60.degree. to 120.degree. C., and having a thickness of 2.5 to 5.0 mm, and electrodes formed on both major surfaces of the ceramic body.
REFERENCES:
patent: 4937435 (1990-06-01), Goss et al.
patent: 4992771 (1991-02-01), Caporali et al.
patent: 5315652 (1994-05-01), Takakura et al.
Takakura Kenji
Uchida Katsuyuki
Dwyer James L.
Murata Mfg. Co. Ltd.
Saint-Surin Jacques M.
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