Switching inverter with thermoconductive materials

Details Switching inverter with thermoconductive materials Switching inverter with thermoconductive materials

1976-05-11

1977-11-22

James, Andrew J.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 4, 357 17, 357 30, 179110R, 307303, 338 7, 338 25, 338 22R, 179190, H03K 326, H03K 1760, H03K 1908, H03K 2308

Patent

active

040597741

ABSTRACT:
A switching point, for telephone switching, and a matrix are provided. They use thermoconductor materials i.e. materials capable of a sudden change in conductivity at a certain temperature, as V O.sub.2. The basic switching point comprises a resistive layer with a significant Joule effect, an insulating layer and a layer of V O.sub.2, deposited one on top of the other on the same substrate, using thin layer technology. Two elements connected in series enable a logic inverter to be formed. Three thermoconductive elements enable a telephone wire switching point to be formed between two conductors with a middle point connected to earth.

REFERENCES:
patent: 3555365 (1971-01-01), Forlani et al.
patent: 3614480 (1971-10-01), Berglund
patent: 3753231 (1973-08-01), Hilsum
patent: 3790867 (1974-02-01), Hayakawa
patent: 3806759 (1974-04-01), Kabaservice
patent: 3827033 (1974-07-01), Quilliam
patent: 3886578 (1975-05-01), Eastwood et al.

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