Invention Grant
- Patent Title: Communication using audible tones
- Patent Title (中): 使用声音通话
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Application No.: US10356425Application Date: 2003-01-30
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Publication No.: US07349481B2Publication Date: 2008-03-25
- Inventor: Jack Steentra , Ahmad Jalali
- Applicant: Jack Steentra , Ahmad Jalali
- Applicant Address: US CA San Diego
- Assignee: Qualcomm Incorporated
- Current Assignee: Qualcomm Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Amin, Turocy & Calvin, LLP
- Main IPC: H04K1/00
- IPC: H04K1/00
Abstract:
An apparatus and method for communication using sound waves is disclosed. More particularly, orthogonal frequency division multiplexing scheme is used to transmit and receive digital data on sound waves. In one embodiment, the sound waves are used to exchange information. In another aspect, the sound waves are used to authenticate an individual or device.
Public/Granted literature
- US20040001553A1 Communication using audible tones Public/Granted day:2004-01-01
Information query
