Semiconductor Devices; Electric Solid State Devices Not Otherwise Provided For
H02M
Apparatus For Conversion Between Ac And Ac, Between Ac And Dc, Or Between Dc And Dc, And For Use With Mains Or Similar Power Supply Systems; Conversion Of Dc Or Ac Input Power Into Surge Output Power; Control Or Regulation Thereof
H03K
Pulse Technique
Y02B
Climate Change Mitigation Technologies Related To Buildings, E.g. Housing, House Appliances Or Related End-user Applications
H05K
Printed Circuits; Casings Or Constructional Details Of Electric Apparatus; Manufacture Of Assemblages Of Electrical Components
