US 11,956,594 B2
Two-way integrated speaker with piezoelectric diaphragm as tweeter
Aneesh R. Kudekar, Campbell, CA (US); Onur I. Ilkorur, Campbell, CA (US); Pablo Seoane Vieites, San Jose, CA (US); and Stuart M. Nevill, Los Gatos, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Feb. 14, 2023, as Appl. No. 18/109,838.
Application 18/109,838 is a continuation of application No. 17/460,139, filed on Aug. 27, 2021, granted, now 11,627,416.
Prior Publication US 2023/0199404 A1, Jun. 22, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04R 25/00 (2006.01); H04R 17/00 (2006.01)
CPC H04R 17/00 (2013.01) 20 Claims
OG exemplary drawing
 
1. A device comprising:
a speaker comprising:
a diaphragm configured to generate sound in a first frequency range; and
a piezoelectric transducer formed on or bonded to the diaphragm and configured to generate sound in a second frequency range different from the first frequency range.