77157918
Apr 16, 2007
PHOTO-ELECTRIC SENSOR FOR SENSING MOVEMENT AND INITIATING A RESPONSIVE ELECTRICAL SIGNAL; PROXIMITY SENSORS; TEMPERATURE CONTROLLERS; SOLID STATED RELAY AND SILICON CONTROLLED RECTIFIER MODULE; TIMER; VOLTAGE REGULATOR; ELECTRIC METER AND ELECTRICAL CONTROLLER; ENCODER; ELECTRIC CONTROL BOARD, NAMELY, A CIRCUIT BOARD
Electrical and Scientific Apparatus