NOTIFICATION METHOD, NOTIFICATION DEVICE, AND SOUND GENERATION DEVICE
The notification method is executed by a carrying device that is carried by a subject person and notifies the subject person that the carrying device is located in a predetermined target area. The notification method includes detecting a pattern sound transmitted from a sound wave transmission unit...
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Main Author | |
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Format | Patent |
Language | English |
Published |
21.05.2020
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Subjects | |
Online Access | Get full text |
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Summary: | The notification method is executed by a carrying device that is carried by a subject person and notifies the subject person that the carrying device is located in a predetermined target area. The notification method includes detecting a pattern sound transmitted from a sound wave transmission unit and notifying the subject person in response to the detecting of the pattern sound. |
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Bibliography: | Application Number: US202016749364 |