Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for detecting stable rotation speed of a spindle motor, and optical disc drive that performs the method

Method for detecting stable rotation speed of a spindle motor, and optical disc drive that performs the method

US Patent 7345971 · Granted Mar 18, 2008

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Lock2024
Machine learning device, servo control device, servo control system, and machine2024
Auxiliary lock with reinforcement structure2023
Transmission mechanism and lock2023
Systems and methods for compressed sensing in wireless sensor networks2023
Motor controller with preprocessing of a command value2022
Numerical controller, CNC machine tool, numerical control method and non-transit2022
Adjustable door lock2022
Light-emitting diode and method for manufacturing thereof2022
Controller2022
Deadbolt lock2022
Touch control auxiliary apparatus, protective casing, touch screen and mobile te2021