Adaptive supervision signals
US-2021328825-A1 · Oct 21, 2021 · US
Telephone line
Telephone line · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04L2012/2845 |
| Official title | {Telephone line} |
| Display label | Telephone line |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 26 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 5 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Real-time video delivery for connected home applications
US-10999345-B2 · May 4, 2021 · US
Network Secure Admission Method and Home Network Device
US-2020366514-A1 · Nov 19, 2020 · US
Integration of knob sensors in monitoring systems
US-10469283-B1 · Nov 5, 2019 · US
Method, apparatus, and system for joining node to network
US-10432476-B2 · Oct 1, 2019 · US
Functionality inoperable unless node registered at remote site
US-10284624-B2 · May 7, 2019 · US
Configurable remote notification of detected events
US-10122784-B2 · Nov 6, 2018 · US
Functionality Inoperable Unless Node Registered at Remote Site
US-2018234480-A1 · Aug 16, 2018 · US
Service interface for QOS-driven HPNA networks
US-9871739-B2 · Jan 16, 2018 · US
Method, Apparatus, and System for Joining Node to Network
US-2017366411-A1 · Dec 21, 2017 · US
Home interior monitoring system and communication setting method
US-2017279628-A1 · Sep 28, 2017 · US
Functionality inoperable unless node registered at remote site
US-2017257418-A1 · Sep 7, 2017 · US
Method and apparatus for providing bidirectional communication between segments of a home network
US-9749118-B2 · Aug 29, 2017 · US
House monitoring system
US-9742582-B2 · Aug 22, 2017 · US
Functionality inoperable unless node registered at remote site
US-9648082-B2 · May 9, 2017 · US
Real-Time Video Delivery for Connected Home Applications
US-2017111423-A1 · Apr 20, 2017 · US
Monitoring system
US-9515841-B2 · Dec 6, 2016 · US
Provisioning remote access to a node
US-9509754-B2 · Nov 29, 2016 · US
House monitoring system
US-9503275-B2 · Nov 22, 2016 · US
House monitoring system
US-2016328953-A1 · Nov 10, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04L2012/2845?
- CPC H04L2012/2845 is the Cooperative Patent Classification code for “Telephone line.”
- How many patents are filed under CPC H04L2012/2845 (Telephone line)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC H04L2012/2845 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).