Method to use acoustic signals for computer communications
US7383297B1 · kind B1 · utility
153Cited by
140References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1999 |
| Grant date | Jun 3, 2008 |
| Priority date | — |
| Expiry date | Oct 1, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/32
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of communicating with an electronic device, comprising: providing a computer having an audible sound receiving and generating sub-system including a microphone; transmitting from a source at least one ultrasonic acoustic signal, encoded with information to the computer; and receiving said at least one signal by said microphone, to be detected by said computer. Preferably, the ultrasonic frequency used is below 50 kHz.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.