Standby saver

Standby supply circuit for a timing device

Starter system for portable internal combustion engine...

Static control relay

Static synchronizer for alternating current generators

Static var generator

Static var generator

Static voltage balancer

Stepless control of a.c. power

Stimulus-dependent electronic device

Storage battery booster jumper

Storage battery charger and method for controlling the...

Storage battery charging and monitoring apparatus

Storage battery charging apparatus

Storage battery-type emergency power source

Storage system that maximizes the utilization of renewable...

Strobe flash system power converter

Structural assembly of electric exchanger device

Sub-harmonic detection and control system

Sub-sized rechargeable battery topper to house radio...