Guided elastic surface wave filter

Details Guided elastic surface wave filter Guided elastic surface wave filter

1976-05-19

1977-11-29

Dixon, Harold A.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

310313, 310366, 333 30R, H03H 902, H03H 904, H03H 926, H03H 932

Patent

active

040607771

ABSTRACT:
A resonator and resonator type wave filter formed by a piezoelectric body on which acoustic surface waves are guided and reflected and in which mode coupling in a direction transverse to the surface wave propagation is utilized. The transverse modes are controlled so as to provide improved response characteristics by minimizing suppressing and/or otherwise controlling unwanted modes of vibration in the body.

REFERENCES:
patent: 3568102 (1971-03-01), Tseng
patent: 3753164 (1973-08-01), De Vries
patent: 3883831 (1975-05-01), Williamson et al.
patent: 3961293 (1976-06-01), Hartmann et al.

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