Boots – shoes – and leggings
Patent
1981-08-11
1984-01-24
Gruber, Felix D.
Boots, shoes, and leggings
310313C, 310313D, 333150, 333157, 333195, G06G 7195, H01L 4108, H03H 930
Patent
active
044280629
ABSTRACT:
A surface acoustic wave convolver (10) with parabolic horns (16, 18), a typical horn (16) having a compensating stub (16a) at the horn input end (16b) disposed centrally on the horn longitudinal axis (19) to maintain the phase coherence at the horn output end Z(16c) of a wave traversing said horn (16).
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patent: 4050541 (1977-09-01), Henricksen
patent: 4157741 (1979-06-01), Goldwater
patent: 4180710 (1979-12-01), Spranger
patent: 4181904 (1980-01-01), Weller et al.
patent: 4369390 (1983-01-01), Malocha et al.
"Wideband LiNbO.sub.3 Elastic Convolver with Parabolic Horns",-Becker et al., 1979 Ultrasonics Symp. Proc. (IEEE, N.Y,) pp. 729-731.
Zakarevicus: Convolution and Imaging in Acoustic-Surface Wave Thin Film Guides, Electronics Letters, vol. 9, No. 16, Aug. 9, 1973.
Potter et al.: Surface Acoustic Wave Slanted Device Technology, IEEE Transactions in Sources and Ultrasonics, vol. SU-26, No. 6, Nov. 1979, pp.411-418.
Davis et al.: Elastic Convolver Using Planar Prism Waveguide Couplers, 1980 Ultrasonics Symposium, (Proceedings), Nov. 5-7, 1980 Boston MA. pp. 74-76.
Christoforo W. G.
Gruber Felix D.
Lamb Bruce L.
The Bendix Corporation
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