characterised by the components used (H03K17/04 - H03K17/30, H03K17/94 take precedence)

Full Title

Electronic switching or gating, i.e. not by contact-making and –breaking (gated amplifiers H03F3/72; switching arrangements for exchange systems using static devices H04Q3/52) > characterised by the components used (H03K17/04 - H03K17/30, H03K17/94 take precedence)

Child Classifications

Navigate with arrow keys, Enter to open

• H03K 17/52 by the use, as active elements, of gas-filled tubes
• H03K 17/54 by the use, as active elements of vacuum tubes (using diodes H03K17/74)
• H03K 17/56 by the use, as active elements, of semiconductor devices (using diodes H03K17/74)
• H03K 17/74 by the use, as active elements, of diodes (by the use of more than one type of semiconductor device H03K17/567; by the use of tunnel diodes H03K17/58; by the use of negative resistance diodes H03K17/70)
• H03K 17/78 using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
• H03K 17/80 using non-linear magnetic devices; using non-linear dielectric devices
• H03K 17/88 By the use, as active elements, of beam-deflection tubes
• H03K 17/90 by the use, as active elements, of galvano-magnetic devices, e.g. Hall-effect devices (H03K17/95, H03K17/97 take precedence)
• H03K 17/92 by the use, as active elements, of superconductive devices
• H03K 2017/515