Acoustic monitoring for detection of anomalous operation of cleaning machines
US-12572119-B2 · Mar 10, 2026 · US
Non-electrical signal transmission systems, e.g. optical systems
Non-electrical signal transmission systems, e.g. optical systems · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G08C23/00 |
| Official title | Non-electrical signal transmission systems, e.g. optical systems |
| Display label | Non-electrical signal transmission systems, e.g. optical systems |
| Total patents | 55 |
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 | 2 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for controlling remote controller to avoid loss of function through a low voltage condition, remote controller device, and non-transitory storage medium
US-12283275-B2 · Apr 22, 2025 · US
Method and system for indoor geolocation and access control
US-2025022333-A1 · Jan 16, 2025 · US
System and method for enhancing functionality of electronic devices
US-12111975-B2 · Oct 8, 2024 · US
Method and system for indoor geolocation and access control
US-12067824-B2 · Aug 20, 2024 · US
Robot cleaner and method for controlling same
US-12016519-B2 · Jun 25, 2024 · US
Method for controlling remote controller to avoid loss of function through a low voltage condition, remote controller device, and non-transitory storage medium
US-2024079010-A1 · Mar 7, 2024 · US
System and method for enhancing functionality of electronic devices
US-2024069644-A1 · Feb 29, 2024 · US
Remote control system for improving target specificity
US-11875672-B2 · Jan 16, 2024 · US
Method for controlling remote controller to avoid loss of function through a low voltage condition, remote controller device, and non-transitory storage medium
US-11862163-B2 · Jan 2, 2024 · US
Acoustic monitoring for detection of anomalous operation of cleaning machines
US-2023375991-A1 · Nov 23, 2023 · US
Surgical generator having remote-controlled functionality
US-2023346453-A1 · Nov 2, 2023 · US
Method and system for indoor geolocation and access control
US-2023326275-A1 · Oct 12, 2023 · US
Remote control system for improving target specificity
US-2023260392-A1 · Aug 17, 2023 · US
Ultrasound probe, control method of ultrasound probe, and ultrasound probe inspection system
US-11712227-B2 · Aug 1, 2023 · US
Remote control system for improving target specificity
US-11670161-B2 · Jun 6, 2023 · US
System and method for enhancing functionality of electronic devices
US-11662832-B1 · May 30, 2023 · US
Voice activation using a laser listener
US-11615798-B2 · Mar 28, 2023 · US
Track link spacing sensors
US-2023068599-A1 · Mar 2, 2023 · US
System and method for measuring a deformation of a structure of an aircraft
US-2023003502-A1 · Jan 5, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G08C23/00?
- CPC G08C23/00 is the Cooperative Patent Classification code for “Non-electrical signal transmission systems, e.g. optical systems.”
- How many patents are filed under CPC G08C23/00 (Non-electrical signal transmission systems, e.g. optical systems)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC G08C23/00 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).