Wave transmission lines and networks – Coupling networks – Delay lines including elastic surface wave propagation means
Patent
1987-06-24
1988-06-07
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Delay lines including elastic surface wave propagation means
333150, 333154, H03H 942, H03H 9142
Patent
active
047499710
ABSTRACT:
A delay line with multiple taps is provided in which a hyperbolically tapered input transducer directs a wave to a plurality of hyperbolically tapered partial reflectors. A plurality of hyperbolically tapered output transducer taps are aligned with each of the partial reflectors so that varying delays may be obtained over a wide frequency band.
REFERENCES:
patent: 3568102 (1971-03-01), Tseng
patent: 3753164 (1973-08-01), DeVries
patent: 3883831 (1975-05-01), Williamson et al.
patent: 3975697 (1976-08-01), Paige
patent: 4166228 (1979-08-01), Solie
patent: 4477784 (1984-10-01), Maerfeld e al.
patent: 4521751 (1985-06-01), Riha et al.
patent: 4635008 (1987-01-01), Solie
Bowen Glenn W.
Marhoefer Laurence J.
Nussbaum Marvin L.
Unisys Corporation
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