(under subclass 155) Subject matter having an IGBT connected in series with an illumination means circuit and used to control the start and termination of the artificial light producing from the illumination means.
(1) Note. An Insulated Gate Bipolar Transistor (IGBT) is a voltage-controlled, three-terminal, switching device that is a combination of a transistor of pnpn structure and a MOS field effect transistor.
SEE OR SEARCH CLASS
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,
427+, and 438+ for switching device using field effect transistor or four-or-more layer device.
