Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1975-06-30
1976-07-20
Smith, Alfred E.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
310 82, 310 98, H03H 926, H03H 932, H01L 4104
Patent
active
039709701
ABSTRACT:
A base of piezoelectrically active material having a plurality of spaced apart reflectors formed thereon and transducers positioned between at least some of said adjacent reflectors to produce standing waves at a predetermined frequency, the reflectors between transducers being formed with less than one hundred percent reflectivity so that energy from a standing wave between a pair of adjacent reflectors is coupled through the system to other pairs of reflectors for producing standing waves therebetween. The transducers may operate as electrical energy inputs or as taps to remove energy from the system.
REFERENCES:
patent: 3716809 (1973-02-01), Reeder et al.
patent: 3781717 (1973-12-01), Kuenemund
patent: 3882430 (1975-05-06), Maerfeld
patent: 3883831 (1975-05-13), Williamson et al.
Gillman James W.
Motorola Inc.
Nussbaum Marvin
Parsons Eugene A.
Smith Alfred E.
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