Integrated circuit
US-2026066920-A1 · Mar 5, 2026 · US
Arrangements for handling quadrature signals, e.g. complex modulators
Arrangements for handling quadrature signals, e.g. complex modulators · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03M3/40 |
| Official title | {Arrangements for handling quadrature signals, e.g. complex modulators} |
| Display label | Arrangements for handling quadrature signals, e.g. complex modulators |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 7 |
| 2020 | 2 |
| 2021 | 2 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated circuit
US-12489458-B2 · Dec 2, 2025 · US
Bio-impedance measurement using voltage to current conversion
US-12458243-B2 · Nov 4, 2025 · US
Control circuit of a mems gyroscope, mems gyroscope and control method
US-2025251241-A1 · Aug 7, 2025 · US
Control circuit of a MEMS gyroscope, MEMS gyroscope and control method
US-12305986-B2 · May 20, 2025 · US
Integrated circuit
US-2024007126-A1 · Jan 4, 2024 · US
Combined I/Q digital-to-analog converter
US-11677408-B2 · Jun 13, 2023 · US
Bio-impedance measurement using voltage to current conversion
US-2023145384-A1 · May 11, 2023 · US
Control circuit of a mems gyroscope, mems gyroscope and control method
US-2023102160-A1 · Mar 30, 2023 · US
Combined I/Q Digital-to-Analog Converter
US-2023085720-A1 · Mar 23, 2023 · US
Radio frequency bandpass delta-sigma analog-to-digital converters and related methods
US-11196442-B2 · Dec 7, 2021 · US
Radio frequency bandpass delta-sigma analog-to-digital converters and related methods
US-2021050863-A1 · Feb 18, 2021 · US
Radio frequency bandpass delta-sigma analog-to-digital converters and related methods
US-10862504-B2 · Dec 8, 2020 · US
Radio frequency bandpass delta-sigma analog-to-digital converters and related methods
US-2020076448-A1 · Mar 5, 2020 · US
Signal amplification and transmission based on complex delta sigma modulator
US-10158382-B2 · Dec 18, 2018 · US
Wireless access system and control method for same
US-10143041-B2 · Nov 27, 2018 · US
I/Q imbalance calibration apparatus, method and transmitter system using the same
US-10069577-B1 · Sep 4, 2018 · US
All digital multi-channel RF transmitter for paralel magnetic resonance imaging with SSB modulation
US-10057103-B2 · Aug 21, 2018 · US
Wireless access system and control method for same
US-2018139802-A1 · May 17, 2018 · US
System for acquiring images by means of heterodyne digital holography
US-9958828-B2 · May 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M3/40?
- CPC H03M3/40 is the Cooperative Patent Classification code for “Arrangements for handling quadrature signals, e.g. complex modulators.”
- How many patents are filed under CPC H03M3/40 (Arrangements for handling quadrature signals, e.g. complex modulators)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC H03M3/40 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).