Schmitt trigger with pull-up transistor
US-12494773-B2 · Dec 9, 2025 · US
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Bistables with hysteresis, e.g. Schmitt trigger
Bistables with hysteresis, e.g. Schmitt trigger · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03K3/13 |
| Official title | Bistables with hysteresis, e.g. Schmitt trigger |
| Display label | Bistables with hysteresis, e.g. Schmitt trigger |
| Total patents | 14 |
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 | 2 |
| 2019 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Schmitt trigger with pull-up transistor
US-2024186991-A1 · Jun 6, 2024 · US
Input buffer circuit
US-2024097662-A1 · Mar 21, 2024 · US
Schmitt trigger with pull-up transistor
US-11923855-B2 · Mar 5, 2024 · US
Input buffer circuit
US-11863189-B2 · Jan 2, 2024 · US
Voltage generating circuit, inverter, delay circuit, and logic gate circuit
US-11681313-B2 · Jun 20, 2023 · US
Schmitt trigger with pull-up transistor
US-2023086329-A1 · Mar 23, 2023 · US
Input buffer circuit
US-2022286117-A1 · Sep 8, 2022 · US
Voltage generating circuit, inverter, delay circuit, and logic gate circuit
US-2022163986-A1 · May 26, 2022 · US
Oscillator, electronic apparatus, and moving object
US-10333491-B2 · Jun 25, 2019 · US
Schmitt trigger circuit and power supply monitoring apparatus
US-9673791-B2 · Jun 6, 2017 · US
Oscillator, electronic apparatus, and moving object
US-2017134004-A1 · May 11, 2017 · US
Schmitt trigger circuit and power supply monitoring apparatus
US-2016028382-A1 · Jan 28, 2016 · US
Input buffer circuit
US-9024653-B2 · May 5, 2015 · US