Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Variable speed motor control method and apparatus

Variable speed motor control method and apparatus

US Patent 4816723 · Granted Mar 28, 1989

Estimated economic value: $218,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Automatic tracking method for helical scan magnetic tape recorder using reproduc1994
Method and system for recording asynchronous biphase encoded data on a video tap1989
System and method for performing error correction on still frame audio tape form1989
Apparatus and method for reading and writing data on a magnetic disc1985
One plus double omega squared radio frequency equalizer1985
Wideband record amplifier1985
Radio frequency equalizer1983
High gain, current mode preamplifier1983
Motor drive amplifier1983