System for use in a reverse powered remote node and method for reverse powering a remote node
US-9787410-B2 · Oct 10, 2017 · US
with current supply sources at the substations (generating ringing current H04M19/04)
with current supply sources at the substations (generating ringing current H04M19/04) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04M19/08 |
| Official title | with current supply sources at the substations (generating ringing current H04M19/04) |
| Display label | with current supply sources at the substations (generating ringing current H04M19/04) |
| Total patents | 208 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 32 |
| 2017 | 31 |
| 2018 | 26 |
| 2019 | 36 |
| 2020 | 19 |
| 2021 | 10 |
| 2022 | 12 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electronic device to be directly charged by a charging device
US-9780588-B2 · Oct 3, 2017 · US
Network relay device
US-9648174-B2 · May 9, 2017 · US
Quick charging method, power adapter and mobile terminal
US-2017117728-A1 · Apr 27, 2017 · US
Method and system to prevent bus voltage sagging when an oring-FET in an N+1 redundant power supply configuration is faulty during power up
US-9614365-B2 · Apr 4, 2017 · US
Electronic device to be directly charged
US-2016380458-A1 · Dec 29, 2016 · US
Method and apparatus for providing electrical power to a broadband digital subscriber line access
US-2016344564-A1 · Nov 24, 2016 · US
Perceptual echo gate approach and design for improved echo control to support higher audio and conversational quality
US-9503815-B2 · Nov 22, 2016 · US
Method and apparatus for use in supplying power over a telephone line
US-2016330334-A1 · Nov 10, 2016 · US
Voltage boost for ET modulator
US-9491314-B2 · Nov 8, 2016 · US
Providing power to dual radio modems
US-9479209-B2 · Oct 25, 2016 · US
Systems and methods for controlling the connectivity of a drop connection
US-9473241-B1 · Oct 18, 2016 · US
Next generation form factor interface preventing large transient current during hot plugging
US-9473648-B2 · Oct 18, 2016 · US
Operating a power supply circuit of a communications device
US-2016295029-A1 · Oct 6, 2016 · US
Modem, communications method of modem, and wireless charging method and device
US-2016277124-A1 · Sep 22, 2016 · US
Reverse power supply method and reverse powering equipment and system
US-2016255207-A1 · Sep 1, 2016 · US
Method and apparatus for providing electrical power to a broadband digital subscriber line access
US-9432081-B2 · Aug 30, 2016 · US
Method, apparatus, and computer program product for powering electronic devices
US-2016233727-A1 · Aug 11, 2016 · US
Image communicating apparatus, control method therefor, and storage medium storing program
US-9413901-B2 · Aug 9, 2016 · US
Method and device for supplying power to access device
US-9413902-B2 · Aug 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04M19/08?
- CPC H04M19/08 is the Cooperative Patent Classification code for “with current supply sources at the substations (generating ringing current H04M19/04).”
- How many patents are filed under CPC H04M19/08 (with current supply sources at the substations (generating ringing current H04M19/04))?
- Our database includes 208 publications tagged with this CPC code.
- Is patent activity under CPC H04M19/08 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).