US PATENT SUBCLASS 388 / 917
.~ Thyristor or SCR


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



388 /   HD   ELECTRICITY: MOTOR CONTROL SYSTEMS

907  DF  SPECIFIC CONTROL CIRCUIT ELEMENT OR DEVICE {13}
917.~ Thyristor or SCR {3}
918  DF  .~.~> Trigger by unijunction transistor
919  DF  .~.~> Triggered by resistor or capacitor
920  DF  .~.~> Chopper


DEFINITION

Classification: 388/917

Thyristor or SCR:

Art collection of systems which include a bistable circuit element whose function is to reverse the polarity of an electrical signal.