Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for stopping DC motor by brake power corresponding to rotation frequency of motor and disk storage unit having such apparatus

Method and apparatus for stopping DC motor by brake power corresponding to rotation frequency of motor and disk storage unit having such apparatus

US Patent 5311107 · Granted May 10, 1994

Estimated economic value: $92,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Semiconductor device and method of manufacturing the same, and electronic appara2025
Semiconductor device and method of manufacturing the same, and electronic appara2025
Apparatus and method for fluorescence grading of gemstones2025
Imaging device2025
Surface analysis of gemstones2025
Preparation containing 6,7-unsaturated-7-carbamoyl morphinan derivatives2025
Object detection system and article display shelf2025
Apparatus and method for assessing optical quality of gemstones2025
Sensor device and article display shelf2025
Blood treatment material2025
Semiconductor device and method of manufacturing the same, and electronic appara2024
Light emitting diode arrangements for gemstone evaluation2024