Disaster-prevention-information-associated control device, disaster-prevention-information-associated control system, and disaster-prevention-information-associated control method
US-2019349215-A1 · Nov 14, 2019 · US
using a single signalling line, e.g. in a closed loop
using a single signalling line, e.g. in a closed loop · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G08B25/04 |
| Official title | using a single signalling line, e.g. in a closed loop |
| Display label | using a single signalling line, e.g. in a closed loop |
| Total patents | 362 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 12 |
| 2017 | 11 |
| 2018 | 27 |
| 2019 | 41 |
| 2020 | 48 |
| 2021 | 41 |
| 2022 | 45 |
| 2023 | 36 |
| 2024 | 44 |
| 2025 | 45 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Video transmission apparatus, video transmission method, and program
US-2019260960-A1 · Aug 22, 2019 · US
Security system and method for displaying images of people
US-10276007-B2 · Apr 30, 2019 · US
Information processing system, information processing method, and program
US-2019122051-A1 · Apr 25, 2019 · US
Unattended object monitoring device, unattended object monitoring system equipped with same, and unattended object monitoring method
US-2019019296-A1 · Jan 17, 2019 · US
Central processing device and central processing method for subject observation system and subject observation system
US-2018374570-A1 · Dec 27, 2018 · US
Method for determining thresholds of a state monitoring unit for a fire detection and/or extinguishing control center, state monitoring unit, and system comprising same
US-2018342150-A1 · Nov 29, 2018 · US
Person Monitoring Device And Method, And Person Monitoring System
US-2018322334-A1 · Nov 8, 2018 · US
Adapter bracket for notification appliance
US-10121343-B2 · Nov 6, 2018 · US
Bus Coupling Unit And Bus System Having A Bus Coupling Unit
US-2018300279-A1 · Oct 18, 2018 · US
Action Detection System, Action Detection Device, Action Detection Method, and Action Detection Program
US-2018286206-A1 · Oct 4, 2018 · US
System and method for charging supplemental power units for alarm notification devices
US-2018276982-A1 · Sep 27, 2018 · US
Watching system, watching detection device, and watching notification device
US-2018276967-A1 · Sep 27, 2018 · US
Information processing device, determination device, notification system, information transmission method, and program
US-2018268224-A1 · Sep 20, 2018 · US
Event-based data collection for smart sensors on a master/slave bus
US-10078955-B1 · Sep 18, 2018 · US
Surveillance system, surveillance method, and program
US-2018249131-A1 · Aug 30, 2018 · US
Information processing system, information processing device, terminal device, and information processing method
US-2018228448-A1 · Aug 16, 2018 · US
System for monitoring person to be monitored, monitoring information screen display device, and monitoring information screen display method
US-2018233017-A1 · Aug 16, 2018 · US
Display device and display method for system for monitoring person to be monitored, and system for monitoring person to be monitored
US-2018233013-A1 · Aug 16, 2018 · US
Device and notification method
US-2018220287-A1 · Aug 2, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G08B25/04?
- CPC G08B25/04 is the Cooperative Patent Classification code for “using a single signalling line, e.g. in a closed loop.”
- How many patents are filed under CPC G08B25/04 (using a single signalling line, e.g. in a closed loop)?
- Our database includes 362 publications tagged with this CPC code.
- Is patent activity under CPC G08B25/04 growing?
- Publication counts under this code: 44 in 2024 vs 45 in 2025 (latest complete years).