US 11,717,854 B2
Flextensional transducers and related methods
Mark E. Schafer, Ambler, PA (US)
Assigned to Photosonix Medical, Inc., Ambler, PA (US)
Filed by PHOTOSONIX MEDICAL, INC., Ambler, PA (US)
Filed on Sep. 2, 2021, as Appl. No. 17/464,977.
Application 15/919,517 is a division of application No. 14/585,508, filed on Dec. 30, 2014, granted, now 9,919,344, issued on Mar. 20, 2018.
Application 17/464,977 is a continuation of application No. 15/919,517, filed on Mar. 13, 2018, granted, now 11,110,489.
Claims priority of provisional application 61/921,735, filed on Dec. 30, 2013.
Prior Publication US 2021/0394235 A1, Dec. 23, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B06B 1/06 (2006.01); G10K 9/12 (2006.01); H04R 17/00 (2006.01)
CPC B06B 1/0644 (2013.01) [G10K 9/121 (2013.01); H04R 17/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A flextensional transducer comprising:
a piezoelectric element; and
a first endcap having a first portion attached to the piezoelectric element and a second portion in a non-contacting relationship with the piezoelectric element,
wherein the first portion of the first endcap is annular and radially surrounds the second portion of the first endcap.