Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Motor rotation speed control circuit

Motor rotation speed control circuit

US Patent 4345189 · Granted Aug 17, 1982

Estimated economic value: $40,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Semiconductor integrated circuit2005
Driving circuit for direct-current (DC) motor1994
Semiconductor device having at least two resistors with high resistance values1988
Motor speed control circuit having improved starting characteristics1980