using specified components (, H03K19/003 - H03K19/0175 take precedence)

Child Classifications

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• H03K 19/04 using gas-filled tubes IPC+CPC Available in IPC and CPC
• H03K 19/06 using vacuum tubes (using diode rectifiers H03K19/12) IPC+CPC Available in IPC and CPC
• H03K 19/08 using semiconductor devices (H03K19/173 takes precedence; wherein the semiconductor devices are only diode rectifiers H03K19/12) +2 CPC IPC+CPC Available in IPC and CPC
• H03K 19/12 using diode rectifiers IPC+CPC Available in IPC and CPC
• H03K 19/14 using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled (optical logic elements G02F3/00) IPC+CPC Available in IPC and CPC
• H03K 19/16 using saturable magnetic devices IPC+CPC Available in IPC and CPC
• H03K 19/17 using twistors IPC+CPC Available in IPC and CPC
• H03K 19/173 using elementary logic circuits as components since 1980 +2 CPC IPC+CPC Available in IPC and CPC
• H03K 19/18 using galvano-magnetic devices, e.g. Hall-effect devices since 1974 IPC+CPC Available in IPC and CPC
• H03K 19/185 using dielectric elements with variable dielectric constant, e.g. ferro-electric capacitors since 1974 IPC+CPC Available in IPC and CPC
• H03K 19/195 using superconductive devices since 1974 +3 CPC IPC+CPC Available in IPC and CPC