Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Piezo-electric speaker capsule for telephone handset

Piezo-electric speaker capsule for telephone handset

US Patent 5953414 · Granted Sep 14, 1999

Estimated economic value: $4,250,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Mobile terminal with at least two transducers2023
Mobile terminal with at least two transducers2022
Mobile terminal with at least two transducers2020
Appliance for receiving and reading audio signals and live sound system2018
Mobile terminal with at least two transducers2018
Mobile terminal with at least two transducers2014
Mobile terminal with at least two transducers2012
Method and communication apparatus for reproducing a moving picture, and use in 2011
Egg-based powder2011
Sound-reproducing transducer2008
Structural arrangement for a radio communication terminal incorporating a loudsp2006
Leak-tolerant handsfree telephone2006