Method and apparatus for automotive variable impedance touch sensor array
US-12535906-B2 · Jan 27, 2026 · US
pattern-reading type
pattern-reading type · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03M1/22 |
| Official title | pattern-reading type |
| Display label | pattern-reading type |
| Total patents | 28 |
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 | 3 |
| 2016 | 3 |
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sample and hold readout system and method for ramp analog to digital conversion
US-2025056139-A1 · Feb 13, 2025 · US
Sample and hold readout system and method for ramp analog to digital conversion
US-12155952-B2 · Nov 26, 2024 · US
Method and apparatus for automotive variable impedance touch sensor array
US-2023376138-A1 · Nov 23, 2023 · US
Sample and hold readout system and method for ramp analog to digital conversion
US-2023328407-A1 · Oct 12, 2023 · US
Method and apparatus for automotive variable impedance touch sensor array
US-11740722-B2 · Aug 29, 2023 · US
SINCOS encoder interface
US-11740106-B2 · Aug 29, 2023 · US
Sincos encoder interface
US-2023072994-A1 · Mar 9, 2023 · US
Sincos encoder interface
US-11499847-B2 · Nov 15, 2022 · US
Method and apparatus for automotive variable impedance touch sensor array
US-2022283663-A1 · Sep 8, 2022 · US
Binary-weighted capacitor charge-sharing for multiplication
US-2022253285-A1 · Aug 11, 2022 · US
Method and apparatus for automotive variable impedance touch sensor array
US-11353979-B2 · Jun 7, 2022 · US
System and method for controlling CDR and CTLE parameters
US-11204888-B2 · Dec 21, 2021 · US
Sincos encoder interface
US-2021318144-A1 · Oct 14, 2021 · US
System and method for controlling cdr and ctle parameters
US-2021248103-A1 · Aug 12, 2021 · US
SINCOS encoder interface
US-11073409-B2 · Jul 27, 2021 · US
Method and apparatus for automotive variable impedance touch sensor array
US-2021223901-A1 · Jul 22, 2021 · US
Method and apparatus for automotive variable impedance touch sensor array
US-11003274-B2 · May 11, 2021 · US
Sincos encoder interface
US-2020182656-A1 · Jun 11, 2020 · US
Method and apparatus for automotive variable impedance touch sensor array
US-2020089357-A1 · Mar 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M1/22?
- CPC H03M1/22 is the Cooperative Patent Classification code for “pattern-reading type.”
- How many patents are filed under CPC H03M1/22 (pattern-reading type)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC H03M1/22 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).