Conversion cable and electronic device
US11836226B2 · kind B2 · utility
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1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2019 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Aug 20, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/16
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
There is provided a conversion cable including: a connector to be connected to an electronic device that outputs a digital voice signal; an IC having a function of converting a digital voice signal supplied through the connector into an analog voice signal; and an output unit for an analog voice signal output from the IC, in which the IC holds an encryption key for permitting the electronic device to output a digital voice signal that requires copyright protection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.