Transformers of voltage meters based on mechanical waves

Details Transformers of voltage meters based on mechanical waves Transformers of voltage meters based on mechanical waves

1997-08-21

2000-08-15

Karlsen, Ernest

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Electrostatic attraction or piezoelectric

310354, G01R 2924, H01L 4108

Patent

active

061041807

ABSTRACT:
Transformers of electric voltage meters based on mechanical waves. The invention is based on the generation of elastic waves in transformers which are composed of a transmitter, a receiver, a dielectric body and a mechanical connection, whereby the transmitter converts the variations in tension in elastic waves, which propagate through the dielectric body to the receiver by means of a connection device, and the receiver converts the mechanical waves in electric signals which are then amplified by means of an electronic unit in order to generate elastic waves from the electric fields from which electric waves are produced; piezoelectric and electrostrictive materials are utilized to build four different types of transformers depending on the structure: monolithic (one-piece), self-connecting, directly-connecting and externally-connecting transformers.

REFERENCES:
patent: 2172066 (1939-09-01), Logsdon
patent: 4213199 (1980-07-01), Labaw et al.
patent: 5159580 (1992-10-01), Andersen et al.

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