DISTANCE MEASURING DEVICE, DISTANCE MEASURING SYSTEM AND DISTANCE MEASURING METHOD

The present disclosure provides a distance measuring device, a distance measuring system and a distance measuring method. The distance measuring device includes a finger sleeve assembly and a communication component. The finger sleeve assembly includes a first interphalangeal joint and a second interphalangeal joint that is rotatable connected to the first interphalangeal joint. The communication component is disposed on the finger sleeve assembly and is configured to transmit and/or receive a ranging signal.