The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2019
Filed:
Jul. 19, 2017
Alibaba Group Holding Limited, Grand Cayman, KY;
Jianhua Feng, Hangzhou, CN;
Alibaba Group Holding Limited, Grand Cayman, KY;
Abstract
A sound wave-based data sending method, apparatus, and electronic device, a sound wave-based data receiving method, apparatus, and electronic device, and a sound wave-based data transmission system. The sound wave-based data sending method includes: obtaining to-be-sent data; obtaining a sound wave frequency sequence corresponding to the to-be-sent data according to a preset sound wave frequency mapping table; generating a filtered sound wave signal sequence according to the sound wave frequency sequence and a preset sending duration, the sending duration being sending duration of a sound wave signal corresponding to a single character; and sending a sound wave signal corresponding to the to-be-sent data according to the filtered sound wave signal sequence. The method, apparatus, and electronic device of the present application provide an improved communication distance and identification accuracy.