Electrical generator or motor structure – Educational or construction units or kits
Patent
1973-03-12
1976-08-10
Budd, Mark O.
Electrical generator or motor structure
Educational or construction units or kits
310 82, 333 72, H01L 4104
Patent
active
039744051
ABSTRACT:
To reduce the capacitive coupling between the input and output transducers of a piezoelectric resonator arrangement having a one-piece construction, one or a plurality of coatings disposed between the two transducers, which coatings serve for defining given resonators, are connected to ground on either one or both sides and, if required, one coating of the input and output transducers is also connected to ground.
REFERENCES:
patent: 3334307 (1967-08-01), Blum
patent: 3544926 (1970-12-01), Hurtig
patent: 3576453 (1971-04-01), Mason
patent: 3576506 (1971-04-01), Reynolds et al.
patent: 3602844 (1971-08-01), Sykes
Kohlbacher Gerhard
Schussler Hans
Budd Mark O.
LICENTIA Patent-Verwaltungs-G.m.b.H.
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