Sine-wave generator including finite impulse response filter-based harmonic cancellation
US-2026045935-A1 · Feb 12, 2026 · US
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having a waveform comprising a portion of a sinusoid (generating sinusoidal oscillations H03B)
having a waveform comprising a portion of a sinusoid (generating sinusoidal oscillations H03B) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03K4/92 |
| Official title | having a waveform comprising a portion of a sinusoid (generating sinusoidal oscillations H03B) |
| Display label | having a waveform comprising a portion of a sinusoid (generating sinusoidal oscillations H03B) |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 8 |
| 2023 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rf pulsing within pulsing for semiconductor rf plasma processing
US-2025391638-A1 · Dec 25, 2025 · US
RF pulsing within pulsing for semiconductor RF plasma processing
US-12424410-B2 · Sep 23, 2025 · US
Rf pulsing within pulsing for semiconductor rf plasma processing
US-2023360883-A1 · Nov 9, 2023 · US
RF pulsing within pulsing for semiconductor RF plasma processing
US-11728136-B2 · Aug 15, 2023 · US
Device and method of generating nonlinear waveform signal
US-11552623-B2 · Jan 10, 2023 · US
Rf pulsing within pulsing for semiconductor rf plasma processing
US-2022254608-A1 · Aug 11, 2022 · US
Sinusoidal wave formation for reduction of oscillations, harmonics and distortion using short pulses to reduce the number of required impedance injection units
US-11394375-B2 · Jul 19, 2022 · US
Variable frequency comb generation
US-2022216858-A1 · Jul 7, 2022 · US
Variable frequency comb generation
US-11381227-B1 · Jul 5, 2022 · US
Device and method of generating nonliniear waveform signal
US-2022209755-A1 · Jun 30, 2022 · US
RF pulsing within pulsing for semiconductor RF plasma processing
US-11342159-B2 · May 24, 2022 · US
Sinusoidal Wave Formation for Reduction of Oscillations, Harmonics and Distortion Using Short Pulses to Reduce the Number of Required Impedance Injection Units
US-2022116028-A1 · Apr 14, 2022 · US
Signal generator
US-11264975-B2 · Mar 1, 2022 · US
Signal Generator
US-2021143806-A1 · May 13, 2021 · US
Rf pulsing within pulsing for semiconductor rf plasma processing
US-2020335305-A1 · Oct 22, 2020 · US
Signals for the control of power devices
US-10693454-B2 · Jun 23, 2020 · US
Sinusoidal phase modulation of mode-locked lasers
US-10615564-B2 · Apr 7, 2020 · US
Signals for the control of power devices
US-2019363709-A1 · Nov 28, 2019 · US
Sinusoidal phase modulation of mode-lock lasers
US-2018342847-A1 · Nov 29, 2018 · US