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PCE
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DIFF Subgroup
H03B 5/26

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

Introduced: September 1968

Title

Titles differ between systems:

IPC: 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 a bridge circuit to such a closed loop, e.g. Wien-Bridge oscillator, parallel-T oscillator

CPC: 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

Full Title

Full titles differ between systems:

IPC:

Generation of oscillations using amplifier with regenerative feedback from output to input > with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator > 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 a bridge circuit to such a closed loop, e.g. Wien-Bridge oscillator, parallel-T oscillator

CPC:

Generation of oscillations using amplifier with regenerative feedback from output to input (H03B9/00, H03B15/00 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

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • H03B 5/28 active element in amplifier being vacuum tube IPC+CPC Available in IPC and CPC