US Patent No. 9,271,084

SUSPENSION SYSTEM FOR MICRO-SPEAKERS


Patent No. 9,271,084
Issue Date February 23, 2016
Title Suspension System For Micro-speakers
Inventorship Pablo Seoane Vieites, Sunnyvale, CA (US)
Suzanne Hardy, San Jose, CA (US)
Christopher R. Wilk, Los Gatos, CA (US)
Alexander V. Salvatti, Morgan Hill, CA (US)
Scott P. Porter, Cupertino, CA (US)
Justin D. Crosby, Cupertino, CA (US)
Assignee Apple Inc., Cupertino, CA (US)

Claim of US Patent No. 9,271,084

1. A speaker driver comprising:
a frame;
a magnet assembly positioned within the frame;
a sound radiating surface suspended over the magnet assembly, the sound radiating surface having a top face and a bottom face,
and wherein the bottom face faces the magnet assembly;

a suspension member for suspending the sound radiating surface over the magnet assembly, the suspension member having a top
side connected to the bottom face of the sound radiating surface and a bottom side directly connected to, and in contact with,
the magnet assembly, and wherein the suspension member comprise a resilient material and is configured to compress and expand
in a z-height direction in response to a movement of the sound radiating surface; and

a voice coil extending from the bottom face of the sound radiating surface.