Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Variable-frequency oscillation circuit

Variable-frequency oscillation circuit

US Patent 4540945 · Granted Sep 10, 1985

Estimated economic value: $10,365,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Rectifying circuit and control method therefor2002
Power conversion apparatus2001
Uninterruptible power supply apparatus2000
AC current source circuit for converting DC voltage into AC current1999
Multi-function electric power conversion system1998
Control circuit for switching transistors1987
Inverters with reduced distributed inductance1986
Circuit for driving the base of a transistor1985
Variable-frequency oscillator having a crystal oscillator1984