Input method based on ultrasonic waves, watch, system and storage medium

Abstract

The invention provides an input method based on ultrasonic waves, a watch, a system and a storage medium and relates to the technical field of user application. The method comprises the steps: enabling the watch to be worn on one wrist, and enabling a writing hand to move in a writing region for writing; installing at least one ultrasonic chip at a position, facing the writing hand, of the watch;allowing the ultrasonic chip to emit ultrasonic waves to scan a three-dimensional space in front of the ultrasonic chip, and when the ultrasonic chip receives ultrasonic waves reflected by the writinghand, determining the position of the writing hand; when a display area of the watch is a writing panel, recording a plurality of positions of the writing hand, and determining a first movement trackof the writing hand; and mapping the first movement track to the display area, and forming written characters, symbols or graphs on the writing panel. The characteristic that the distance can be judged through ultrasonic waves is utilized, and the effects of scaling the size of pictures in the watch in the air and writing characters in the air are achieved.

Description

technical field [0001] The invention relates to the field of user application technology, in particular to an ultrasonic-based input method, watch, system and storage medium. Background technique [0002] At present, the enlargement and reduction of the picture on the watch basically depends on the touch screen operation, but the screen of the watch is relatively small, generally about 1.3 inches, which is extremely inconvenient to operate. [0003] At present, the interaction mode of the watch is basically divided into two points, one is touch screen touch, and the other is button click; however, due to the relatively small screen interface of the watch, it is not very suitable to use the screen operation method in some scenarios, such as after washing hands. If it is wet, there will be problems when touching the screen; at the same time, the screen of the watch is relatively small, which is very inconvenient for typing. Contents of the invention [0004] The purpose of ...

AI Technical Summary

Problems solved by technology

[0002] At present, the enlargement and reduction of the picture on the watch basically depends on the touch screen operation, but the screen of the watch is relatively small, generally about 1.3 inches, and it is extremely inconvenient to operate

[0003] At present, the interaction mode of the watch is basically divided into two points, one is touch screen touch, and the other is button click; however, due to the relatively small screen interface of the watch, it is not very suitable to use the screen operation method in some scenarios, such as after washing hands. If it is wet, there will be problems when touching the screen; at the same time, the screen of the watch is relatively small, so typing is very inconvenient

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