Piezoelectric resonator device
US-11411550-B2 · Aug 9, 2022 · US
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active element in amplifier being vacuum tube (H03B5/38 takes precedence)
active element in amplifier being vacuum tube (H03B5/38 takes precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03B5/34 |
| Official title | active element in amplifier being vacuum tube (H03B5/38 takes precedence) |
| Display label | active element in amplifier being vacuum tube (H03B5/38 takes precedence) |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piezoelectric resonator device
US-2021399715-A1 · Dec 23, 2021 · US
Leakage tolerant oscillator
US-10063188-B2 · Aug 28, 2018 · US
Leakage Tolerant Oscillator
US-2017317645-A1 · Nov 2, 2017 · US
Phase noise reduction in LC-VCO
US-9252717-B2 · Feb 2, 2016 · US
Phase noise reduction in lc-vco
US-2015357977-A1 · Dec 10, 2015 · US