Envelope detector-based feedback for radio frequency (RF) transmitters
US-10333764-B1 · Jun 25, 2019 · US
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using a feedback loop containing mixers or demodulators
using a feedback loop containing mixers or demodulators · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03C3/406 |
| Official title | {using a feedback loop containing mixers or demodulators} |
| Display label | using a feedback loop containing mixers or demodulators |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment
US-10090971-B2 · Oct 2, 2018 · US
Systems and methods for asynchronous re-modulation with adaptive i/q adjustment
US-2018198573-A1 · Jul 12, 2018 · US
Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment
US-9813198-B2 · Nov 7, 2017 · US
Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment
US-9337965-B2 · May 10, 2016 · US
Systems and methods for asynchronous re-modulation with adaptive i/q adjustment
US-2015215084-A1 · Jul 30, 2015 · US
Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment
US-9077425-B2 · Jul 7, 2015 · US
FBR DC vector offset removal using LO phase switching
US-9042482-B2 · May 26, 2015 · US
Systems and methods for asynchronous re-modulation with adaptive i/q adjustment
US-2015023456-A1 · Jan 22, 2015 · US