Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Waterproof speaker for use in an automobile

Waterproof speaker for use in an automobile

US Patent 6810129 · Granted Oct 26, 2004

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Speaker2021
Signal processing circuit2013
Signal receiving apparatus and signal transmitting system2013
Band-splitting time compensation signal processing device2013
Digital to-analog converter2012
Class D amplifier2006
Sound control unit and sound system2006
Class D amplifier2006
Class D amplifier2005
Speaker device2002