Fail-safe pulse coincidence detector
Fail-safe pulse providing apparatus
Fail-safe solid state logic
Fail-safe system
Failsafe bandpass filter/decoder
Failsafe decision circuit
Failsafe electrical circuitry
Failsafe feedback control system
Failsafe interlock switch
Failsafe logic function apparatus
Failsafe power oring with current sharing
Failsafe train vehicle control signal threshold detector apparat
Failure compensation circuit with thermal compensation
Failure detecting device for a power supply changeover switch
Failure detection system for detecting a failure in a power conv
False count correction in feedback shift registers and pulse gen
False triggering prevention circuit
Family of multiple segmented programmable logic blocks interconn
Family of noise-immune logic gates and memory cells
Fan and switch control device thereof