Electrical generator or motor structure – Educational or construction units or kits
Patent
1974-04-23
1976-11-09
Budd, Mark O.
Electrical generator or motor structure
Educational or construction units or kits
310 98, 333 30R, 252 629, H01L 4108
Patent
active
039913309
ABSTRACT:
An acoustic surface wave device is disclosed which comprises a crystal of Tl.sub.3 VS.sub.4, Tl.sub.3 NbS.sub.4, or mixtures thereof having at least one surface at least 1/2 cm long, a surface wave generating transducer mounted on the surface, and a surface wave receiving transducer mounted on the surface positioned to receive a surface wave generated by the surface wave generating transducer.
The device transmits surface waves at a low velocity and high coupling efficiency and can be used in a delay line, a filter, an FM discriminator, an oscillator, or other device.
Daniel Michael R.
Isaacs Thelma J.
Budd Mark O.
Fuerle R. D.
Westinghouse Electric Corporation
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