Telephone line testing apparatus with remote control
US12368797B2 · kind B2 · utility
0Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2022 |
| Grant date | Jul 22, 2025 |
| Priority date | — |
| Expiry date | Sep 4, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/305
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for telephone line testing provides a tone generator that can be remotely switched to short or open via a cable pair by monitoring shorts on the cable pair itself to allow a simplified testing protocol with reduced technician travel and without the need for a remote controller carried by the technician.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.