System for embedding an identification code in a phone call via an inaudible signal
US11665538B2 · kind B2 · utility
0Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2019 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | Mar 28, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system for transmitting an identification code in a telecommunications system via a mobile device. The mobile device includes a component to generate embed an identification code by generating an inaudible signal. The inaudible signal is either ultrasonic or infrasonic. The mobile device also generates an audible signal based on information received from a microphone associated with the mobile device, merges the inaudible signal with the audible signal to produce a combined signal, and transmits the combined signal from the mobile device to the other device via the wireless network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.