Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Speaker system of utilizing pulse width modulation signals for saving idling power consumption

Speaker system of utilizing pulse width modulation signals for saving idling power consumption

US Patent 7844061 · Granted Nov 30, 2010

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Striking practice device2024
Lamp structure of umbrella2024
Alternator and rectifier thereof for preventing reverse current2023
Alternator and rectifier thereof2022
Electric actuator device and control method thereof2022
Alternator and rectifier thereof2021
Rectifier capable of adjusting gate voltage of transistor and alternator includi2021
Alternator and rectifier thereof2020
Tray device capable of recognizing tray modules2020
Synchronous rectifier alternator and power allocation method thereof2019
Heating roller having three heaters of three different heating sections and imag2019
Method, system and browser for executing active object of browser2019