Abstract:
A method for unlocking a door, a method for renting asset and a system thereof are provided in the present invention. The door includes an audio receiver, and the method includes the steps of: storing a unlock sequence into a mobile device; performing a audio modulation to generates a audio modulation voiceprint signal, wherein the frequency range of the audio modulation voiceprint signal is in the audio frequency; playing the audio modulation voiceprint signal by using the speaker of the mobile device; when the audio receiver receives the audio modulation voiceprint signal, the method further includes: performing a audio demodulation to obtain the unlock sequence; and determining whether the door is unlock or not according to the unlock sequence.
Abstract:
An interactive amusement system, interactive wearing system and a data transmission circuit for biological contact are provided in the present invention. The interactive wearing system includes a first wearing device and a second wearing device. The first and the second wearing devices are includes a contact conductor for respectively contacting with the users. When a first user wears the first wearing device and a second user wears the second wearing device, and the first user touches the second user, a secret message that has been set into the first wearing device by the first user is transmitted to the second wearing device.