Two track surface wave arrangement with improved selection prope

Details Two track surface wave arrangement with improved selection prope Two track surface wave arrangement with improved selection prope

1993-04-20

1994-09-20

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310313R, 333195, 333151, 333154, 333194, H03H 925, H03H 964, H01L 4104

Patent

active

053492609

ABSTRACT:
A two track surface wave arrangement has improved selection property resulting from crosstalk signals of parasitic transmission paths within the arrangement being suppressed. What can be achieved with a displacement of the surface wave arrangement of one track relative to that of the other track by a dimension of nearly half a wavelength is that crosstalk signals mutually cancel on the basis of interference without affecting the useful signal.

REFERENCES:
patent: 4065789 (1977-12-01), DeVries
patent: 4247836 (1981-01-01), Redwood
patent: 4468642 (1984-08-01), Hikita

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