Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Protected input/output circuitry for a programmable controller

Protected input/output circuitry for a programmable controller

US Patent 4628397 · Granted Dec 9, 1986

Estimated economic value: $8,323,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and device for foreign object detection in induction electric charger2018
Sensor and method for foreign object detection in induction electric charger2017
System and method for measuring atmospheric parameters in enclosed spaces2014
Kiosk vehicle charging and selecting systems2012
Image pick-up module and method for assembling such an image pick-up module2012
Image pick-up module and method for assembling such an image pick-up module2010
Method and apparatus for signal phase locking2010
Method of facilitating communications across open circuit breaker contacts2010
Method and apparatus for power inverter synchronization2007
Push-pull inverter with snubber energy recovery2007
Alternative energy system control method and apparatus2006
Real-time digital voltage sag compensator2006