Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Voltage-frequency conversion apparatus and method of changing reference voltage thereof

Voltage-frequency conversion apparatus and method of changing reference voltage thereof

US Patent 7279941 · Granted Oct 9, 2007

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Measuring device and measuring system2025
Fluid flow rate measuring device and water meter2018
Wireless power receiving device and wireless power transmission device2017
Fluid flow rate measuring device and water meter2014
Method for determining cell number, cell number determination device, power supp2013
Battery protection circuit, method for protecting battery, power supply device a2013
Power supply control device, method for controlling power supply, program and po2013
LED driving circuit2012
Battery voltage detection circuit2011
Voltage detecting circuit2010
Battery voltage detecting circuit2010
Circuit and method for temperature detection2009