Internet phone system
US10397385B2 · kind B2 · utility
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8Claims
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Assignee
Inventors
Key dates
| Filing date | Sep 14, 2016 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Dec 15, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M7/006
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An internet phone system includes an internet phone main body, at least one expansion device and at least one multiple-layer connecting card. The internet phone main body includes a first connecting port. The at least one expansion device includes a second connecting port. One end of the multiple-layer connecting card is connected to the first connecting port, and the other end is connected to the second connecting port such that the internet phone main body can be electrically connected to the expansion device via the multiple-layer connecting card.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.