| 1/00 | Details |
| 1/02 | Details Structural details of power oscillators, e.g. for heating |
| 1/04 | Details Reducing undesired oscillations, e.g. harmonics |
| 5/00 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) |
| 5/02 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) Details |
| 5/04 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) Details Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature |
| 5/06 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) Details Modifications of generator to ensure starting of oscillations |
| 5/08 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising lumped inductance and capacitance |
| 5/10 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube (H03B 5/14 takes precedence) |
| 5/12 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device (H03B 5/14 takes precedence) |
| 5/14 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising lumped inductance and capacitance frequency-determining element connected via bridge circuit to closed ring around which signal is transmitted |
| 5/16 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising lumped inductance and capacitance frequency-determining element connected via bridge circuit to closed ring around which signal is transmitted active element in amplifier being vacuum tube |
| 5/18 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising distributed inductance and capacitance |
| 5/20 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator |
| 5/22 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being vacuum tube (H03B 5/26 takes precedence) |
| 5/24 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device (H03B 5/26 takes precedence) |
| 5/26 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator |
| 5/28 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator active element in amplifier being vacuum tube |
| 5/30 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element being electromechanical resonator |
| 5/32 | Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) with frequency-determining element being electromechanical resonator being a piezo-electric resonator (piezo-electric elements in general H01L 41/00) |