Information transmission method for ultrasonic transmitter, information transmission device for ultrasonic transmitter, and storage medium
US11641625B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Mar 18, 2021 |
| Grant date | May 2, 2023 |
| Priority date | — |
| Expiry date | Jul 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/26025
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An information transmission method, an information transmission apparatus, and a storage medium include encoding information to be transmitted to obtain an ultrasonic encoded signal; obtaining an ultrasonic transmission signal based on the ultrasonic encoded signal and an ultrasonic wake-up signal, the ultrasonic wake-up signal for waking up an ultrasonic receiver to decode the ultrasonic encoded signal; and transmitting the ultrasonic transmission signal to the ultrasonic receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.