IPC-Stelle: H03B 5/30 [Version 2017.01]

SymbolTypTitel
HSKELECTRICITY
H03KLBASIC ELECTRONIC CIRCUITRY
H03BUKLGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS (generators specially adapted for electrophonic musical instruments G10H; masers or lasers H01S;  generation of oscillations in plasma H05H)
H03B 1/00HGRDetails [1, 2006.01]
H03B 1/02UGR1
.Structural details of power oscillators, e.g. for heating (generators for heating by electromagnetic fields H05B 6/00) [1, 2006.01]
H03B 1/04UGR1
.Reducing undesired oscillations, e.g. harmonics [1, 2006.01]
H03B 5/00HGRGeneration of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) [1, 2006.01]
H03B 5/02UGR1
.Details [1, 2006.01]
H03B 5/04UGR2
. .Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature [1, 2006.01]
H03B 5/06UGR2
. .Modifications of generator to ensure starting of oscillations (starting of generators H03L 3/00) [1, 2006.01]
H03B 5/08UGR1
.with frequency-determining element comprising lumped inductance and capacitance [1, 2006.01]
H03B 5/10UGR2
. .active element in amplifier being vacuum tube (H03B 5/14 takes precedence) [1, 2006.01]
H03B 5/12UGR2
. .active element in amplifier being semiconductor device (H03B 5/14, H03B 7/06 take precedence) [1, 2006.01]
H03B 5/14UGR2
. .the frequency-determining element being connected via a bridge circuit to a closed loop in which the signal is transmitted [1, 2006.01]
H03B 5/16UGR3
. . .active element in amplifier being vacuum tube [1, 2006.01]
H03B 5/18UGR1
.with frequency-determining element comprising distributed inductance and capacitance [1, 2006.01]
H03B 5/20UGR1
.with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator [1, 2006.01]
H03B 5/22UGR2
. .active element in amplifier being vacuum tube (H03B 5/26 takes precedence) [1, 2006.01]
H03B 5/24UGR2
. .active element in amplifier being semiconductor device (H03B 5/26 takes precedence) [1, 2006.01]
H03B 5/26UGR2
. .the frequency-determining element being part of a bridge circuit in a closed loop in which the signal is transmitted; the frequency-determining element being connected via a bridge circuit to such a closed loop, e.g. Wien-Bridge oscillator, parallel-T oscillator [1, 2006.01]
H03B 5/28UGR3
. . .active element in amplifier being vacuum tube [1, 2006.01]
H03B 5/30UGR1
.with frequency-determining element being electromechanical resonator [1, 2006.01]
H03B 5/32UGR2
. .being a piezo-electric resonator [1, 2006.01]
H03B 5/34UGR3
. . .active element in amplifier being vacuum tube (H03B 5/38 takes precedence) [1, 2006.01]
H03B 5/36UGR3
. . .active element in amplifier being semiconductor device (H03B 5/38 takes precedence) [1, 2006.01]
H03B 5/38UGR3
. . .the frequency-determining element being connected via a bridge circuit to a closed loop in which the signal is transmitted [1, 2006.01]
H03B 5/40UGR2
. .being a magnetostrictive resonator (H03B 5/42 takes precedence) [1, 2006.01]
H03B 5/42UGR2
. .the frequency-determining element being connected via a bridge circuit to a closed loop in which the signal is transmitted [1, 2006.01]
H03B 7/00HGRGeneration of oscillations using active element having a negative resistance between two of its electrodes (H03B 9/00 takes precedence) [1, 2006.01]
H03B 7/02UGR1
.with frequency-determining element comprising lumped inductance and capacitance [1, 2006.01]
H03B 7/04UGR2
. .active element being vacuum tube [1, 2006.01]
H03B 7/06UGR2
. .active element being semiconductor device [1, 2006.01]
H03B 7/08UGR3
. . .being a tunnel diode [1, 2006.01]
H03B 7/10UGR2
. .active element being gas-discharge or arc-discharge tube [1, 2006.01]
H03B 7/12UGR1
.with frequency-determining element comprising distributed inductance and capacitance [1, 2006.01]
H03B 7/14UGR2
. .active element being semiconductor device [1, 2006.01]
H03B 9/00HGRGeneration of oscillations using transit-time effects [1, 2, 2006.01]
H03B 9/01UGR1
.using discharge tubes [2, 2006.01]
H03B 9/02UGR2
. .using a retarding-field tube (using klystrons H03B 9/04) [1, 2, 2006.01]
H03B 9/04UGR2
. .using a klystron [1, 2, 2006.01]
H03B 9/06UGR3
. . .using a reflex klystron [1, 2, 2006.01]
H03B 9/08UGR2
. .using a travelling-wave tube [1, 2, 2006.01]
H03B 9/10UGR2
. .using a magnetron [1, 2, 2006.01]
H03B 9/12UGR1
.using solid state devices, e.g. Gunn-effect devices [2, 2006.01]
H03B 9/14UGR2
. .and elements comprising distributed inductance and capacitance [3, 2006.01]
H03B 11/00HGRGeneration of oscillations using a shock-excited tuned circuit (with feedback H03B 5/00) [1, 2006.01]
H03B 11/02UGR1
.excited by spark [1, 2006.01]
H03B 11/04UGR1
.excited by interrupter [1, 2006.01]
H03B 11/06UGR2
. .by mechanical interrupter [1, 2006.01]
H03B 11/08UGR2
. .interrupter being discharge tube [1, 2006.01]
H03B 11/10UGR2
. .interrupter being semiconductor device [1, 2006.01]
H03B 13/00HGRGeneration of oscillations using deflection of electron beam in a cathode-ray tube [1, 2006.01]
H03B 15/00HGRGeneration of oscillations using galvano-magnetic devices, e.g. Hall-effect devices, devices using spin transfer effects, devices using giant magnetoresistance, or using super-conductivity effects [1, 2006.01]
H03B 17/00HGRGeneration of oscillations using a radiation source and a detector [1, 2006.01]
H03B 19/00HGRGeneration of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source [1, 2006.01]
H03B 19/03UGR1
.using non-linear inductance [3, 2006.01]
H03B 19/05UGR1
.using non-linear capacitance, e.g. varactor diodes [3, 2006.01]
H03B 19/06UGR1
.by means of discharge device or semiconductor device with more than two electrodes [1, 2006.01]
H03B 19/08UGR2
. .by means of a discharge device [1, 2006.01]
H03B 19/10UGR3
. . .using multiplication only [1, 2006.01]
H03B 19/12UGR3
. . .using division only [1, 2006.01]
H03B 19/14UGR2
. .by means of a semiconductor device [1, 2006.01]
H03B 19/16UGR1
.using uncontrolled rectifying devices, e.g. rectifying diodes or Schottky diodes [3, 2006.01]
H03B 19/18UGR2
. .and elements comprising distributed inductance and capacitance [3, 2006.01]
H03B 19/20UGR2
. .being diodes exhibiting charge storage or enhancement effects [3, 2006.01]
H03B 21/00HGRGeneration of oscillations by combining unmodulated signals of different frequencies (H03B 19/00 takes precedence) [1, 3, 2006.01]
H03B 21/01UGR1
.by beating unmodulated signals of different frequencies [3, 2006.01]
H03B 21/02UGR2
. .by plural beating, i.e. for frequency synthesis [1, 3, 2006.01]
H03B 21/04UGR2
. .using several similar stages [3, 2006.01]
H03B 23/00HGRGeneration of oscillations periodically swept over a predetermined frequency range [1, 2006.01]
H03B 25/00HGRSimultaneous generation by a free-running oscillator of oscillations having different frequencies [1, 2006.01]
H03B 27/00HGRGeneration of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs [1, 2006.01]
H03B 28/00HGRGeneration of oscillations by methods not covered by groups H03B 5/00-H03B 27/00, including modification of the waveform to produce sinusoidal oscillations (analogue function generators for performing computing operations G06G 7/26) [4, 2006.01]
H03B 29/00HGRGeneration of noise currents and voltages (gas-filled discharge tubes with solid cathode specially adapted as noise generators H01J 17/00) [1, 2006.01]