Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Contact heater for piezoelectric effect resonator crystal

Contact heater for piezoelectric effect resonator crystal

US Patent 4748367 · Granted May 31, 1988

Estimated economic value: $842,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for achieving highly reproducible acceleration insensitive quartz crystal2006
Charge pump configuration having closed-loop control2004
Charge pump for generating high voltages for semiconductor circuits2004
Temperature-compensated semiconductor resistor and semiconductor integrated circ2003
Circuit configuration for reading memory elements2003
Circuit configuration for discharging a capacitor which has been charged to a hi2003
EEPROM and method for triggering the EEPROM2001
Apparatus for voltage multiplication with output voltage having low dependence o2001
Circuit configuration for producing negative voltages, charge pump having at lea2000
Piezoelectric resonators having a lateral field excited SC cut quartz crystal el1987