Integrated circuit for inverse discrete fourier transforming a frequency domain signal to a time domain symbol sequence
US-2018317229-A1 · Nov 1, 2018 · US
Discrete Fourier transforms
Discrete Fourier transforms · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G06F17/141 |
| Official title | {Discrete Fourier transforms} |
| Display label | Discrete Fourier transforms |
| Total patents | 377 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 19 |
| 2017 | 27 |
| 2018 | 35 |
| 2019 | 46 |
| 2020 | 47 |
| 2021 | 54 |
| 2022 | 46 |
| 2023 | 32 |
| 2024 | 29 |
| 2025 | 24 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for secure file transmission and cloud storage
US-2018165466-A1 · Jun 14, 2018 · US
Learned profiles for malicious encrypted network traffic identification
US-2018115567-A1 · Apr 26, 2018 · US
Signal processing method and device
US-2017364479-A1 · Dec 21, 2017 · US
Event-based spatial transformation
US-9846677-B2 · Dec 19, 2017 · US
Frequency-domain to time-domain data conversion
US-2017357615-A1 · Dec 14, 2017 · US
Apparatus and method for calculating reception time of wireless communication signal
US-2017329743-A1 · Nov 16, 2017 · US
Signal/noise separation using FrFT rotational parameter obtained in relation to Wigner Distribution
US-9804999-B2 · Oct 31, 2017 · US
Online frequency response characterization system and method
US-9798318-B2 · Oct 24, 2017 · US
Apparatus and method for system error monitoring
US-9798699-B2 · Oct 24, 2017 · US
Method for Sending and Receiving Reference Signal, and Communication Node
US-2017302420-A1 · Oct 19, 2017 · US
Audio signal processing method and encoder
US-9792257-B2 · Oct 17, 2017 · US
Fourier transform for a signal to be transmitted on a random access channel
US-9788347-B2 · Oct 10, 2017 · US
Integrated circuit that transforms a symbol in a time domain into a signal in a frequency domain
US-9775155-B2 · Sep 26, 2017 · US
Method for filtering a numerical input signal and associated filter
US-2017269192-A1 · Sep 21, 2017 · US
Simulation device, simulation method, control program and recording medium
US-2017262572-A1 · Sep 14, 2017 · US
Method and apparatus for low complexity spectral analysis of bio-signals
US-9760536-B2 · Sep 12, 2017 · US
Supporting magnetic flux density based positioning
US-2017241785-A1 · Aug 24, 2017 · US
Fully parallel fast fourier transformer
US-9735996-B2 · Aug 15, 2017 · US
Low complexity partial parallel architectures for Fourier transform and inverse Fourier transform over subfields of a finite field
US-9734129-B2 · Aug 15, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G06F17/141?
- CPC G06F17/141 is the Cooperative Patent Classification code for “Discrete Fourier transforms.”
- How many patents are filed under CPC G06F17/141 (Discrete Fourier transforms)?
- Our database includes 377 publications tagged with this CPC code.
- Is patent activity under CPC G06F17/141 growing?
- Publication counts under this code: 29 in 2024 vs 24 in 2025 (latest complete years).