Abstract: An information acquisition system includes a transmission device configured to transport a carrier carrying a number of products, an information acquisition device configured to obtain identification information of a corresponding one of the plurality of products when the carrier stops moving, a control device, and a positioning device. The positioning device includes a positioning member, a number of elastic members, a number of blocking members spaced apart and mounted on the positioning member, and a driving member fixedly coupled to the positioning member and configured to drive the positioning member to move telescopically between an extended position and a retracted position. When the positioning member is in the extended position, one of the blocking members blocks the carrier from moving. When the positioning member is in the retracted position, the blocking member that was blocking the carrier unblocks the carrier to allow the carrier to move.

Abstract: A method for pushing information based on a user emotion including recordings of behavior habits of the user based on a number of predefined emotions within a predefined time period can be implemented in the disclosed electronic device. Based on each predefined emotion, a proportion of each behavior habit of the user is determined at the predetermined time intervals. The device determines information to be pushed according to a current user emotion and the proportions of the behavior habits of the user corresponding to the current user emotion, and the electronic device is controlled to push the determined information.

Abstract: A user terminal hardware detection system includes a computing device and an oscilloscope communicatively coupled to the computing device. The oscilloscope obtains a digital signal waveform diagram of a user terminal and sends the digital signal waveform diagram to the computing device. The computing device performs feature recognition on the digital signal waveform diagram using a fault analysis model to identify feature information of the digital signal waveform diagram. The computing device compares the identified feature information to feature information of a faulty hardware module and a fault type of the faulty hardware module in a fault type database. The computing device outputs the faulty hardware module and the fault type of the faulty hardware module represented by the feature information of the digital signal waveform diagram according to a comparison result.

Abstract: A shutdown method of an electronic device includes detecting activity of a user; determining whether an activity range of the user is less than a predetermined value; determining whether the user is away from the electronic device when the activity range of the user is less than the predetermined value; capturing user images when the user is not away from the electronic device; determining whether any action has been performed by the user; determining whether the at least one action performed by the user matches a sleep habit when the at least one action has been performed by the user; and shutting down the electronic device when the user is away from the electronic device, or when no action has been performed by the user, or when the at least one action performed by the user match the sleep habit of the user.

Abstract: An electronic device includes a processor and a memory. The processor obtains a group of original specification data of an ambient light sensor, obtains a group of testing data of the ambient light sensor, combines the group of original specification data with the group of testing data to obtain a group of combined data, and analyzes the group of combined data according to a source of the plurality of data and a corresponding wavelength of the plurality of data to obtain a spectral hand table and a channel distribution table of the ambient light sensor.

Abstract: A locking device includes a sleeve, a locking assembly, and a stopper. The sleeve defines a locking cavity and stopping holes. The locking assembly includes a locking member received in the locking cavity and is rotatable relative to the sleeve to lock a hanging member in the sleeve or release the hanging member from the sleeve. The stopper and the stopping holes cooperate to position the locking member relative to the sleeve.

Abstract: A locking device includes a sleeve, an actuator, and a stopper. The sleeve defines a receiving cavity and an outlet communicating with the receiving cavity. An inner wall of the receiving cavity defines a sliding groove and a stopping groove. The actuator is provided in the receiving cavity. One end of the actuator is inserted in the outlet, and another end of the actuator extends out of the receiving cavity. The stopper is provided on the actuator. The actuator is configured to be rotated to switch the stopper between the sliding groove and the stopping groove. When the stopper resists in the stopping groove, the actuator is fixed in the sleeve. When the stopper is switched to the sliding groove, the actuator is pressed to slide along the sliding groove and extend out of the outlet.

Abstract: A protection circuit of a USB device can interrupt and restore the electrical coupling between a first interface and a second interface of the USB device as a user requires. A controlling module of the protection circuit outputs a first low-level signal or a second high-level signal according to a user operation, a switching module thereby connects or disconnects the first interface to or from the second interface according to the signal received. A USB device is also disclosed.

Abstract: A method for sharing computer device resources includes establishing a sharing domain and storing information of user terminals joined to the sharing domain. Information of shareable resources in the sharing domain is obtained. Requests for allocation of computer device resources such as data storage and data traffic per period may be sent out by a user terminal, and allocations of resources for sharing may be made according to one or more predetermined rules.

Abstract: A method for detecting swiping of a card applicable in an electronic device controls a motion detecting device to acquire motion data of the electronic device, controls a distance detecting device to detect a distance between the electronic device and a card, determining whether the motion data is within at least one predetermined range of motion data, determines whether the detected distance is less than or equal to a predetermined value; controls the recording device to record sounds at the proximity of the electronic device if the motion data is within the at least one predetermined range of motion data and the detected distance is less than or equal to the predetermined value, determining whether the recorded sounds are the same as responsive sounds of card-swiping; and determines that swiping of the card is successful if the recorded sounds are the same as the responsive sounds of card-swiping.

Abstract: A flatness sensing device includes a pressure sensing unit and a controller. The pressure sensing unit includes a plate portion, and a pressure sensor fixed and exposed at an edge of the plate portion. A sensing surface of the pressure sensor is flush with the bottom surface of the plate portion. The pressure sensor senses a pressure or lack of pressure of an object to be tested when it touches the object to be tested. The controller receives the pressure value output from the pressure sensor and determines a flatness of the object to be tested, the controller can issue an alarm on finding non-flatness and cause the degree of flatness to be displayed to a user.

Abstract: A method for eliminating noises collected by an electronic device when voice recordings are being taken detects whether the electronic device is in a voice recording mode. A first acquiring device is controlled to acquire the speaking voices of at least one user, when determining that the electronic device is in the voice recording mode. A determination is made as to whether the speaking voices of at least one user acquired by the first acquiring device include noises produced by the vibration device, and eliminating noises produced by the vibration device, when the speaking voices of at least one user acquired by the first acquiring device include the noises produced by the vibration device.

Abstract: A side key structure of an electronic device includes a housing, a flexible circuit board, and a side key. The housing defines a receiving groove. The flexible circuit board includes a key switch. The side key includes a main key body, a fastener, and a pressing portion. The flexible circuit board is mounted on a sidewall of the receiving groove. The pressing portion and the fastener are arranged on a same side of the main key body. The main key body is partially received in the receiving groove. The fastener and the pressing portion pass through a second sidewall of the receiving groove. The fastener is mounted within the receiving groove. The main key body is configured to be pressed to cause the pressing portion to press the key switch to activate the key switch.

Abstract: A button restoring mechanism of an electronic device includes a housing, an adjustment button mounted on the housing, a bracket, and an elastic member. One side of the adjustment button protrudes within the housing. The bracket latches with the adjustment button. One end of the elastic member is fixed to one side of the bracket, and a second end of the elastic member abuts against a second side of the bracket. An elastic force of the elastic member drives the second side of the bracket to abut against a switch button within the housing.

Abstract: A method for switching modes of an electronic device is presented. The method can collect sound of the predetermined scenario by a collector of the electronic device, and confirm prominent sound from the collected sound. When the duration of the prominent sound is greater than or equal to a first period of time, the method can confirm that the prominent sound is a sample sound, and switch the silent mode to ringing mode of the electronic device when the collector has not collected the prominent sound during a second period of time.

Abstract: An attachment device for use with a wearable item includes a first cord end and a second cord end. The first cord end has restricting grooves and the second cord end has a buckle unit. The restricting grooves include a first groove and a second groove, and the buckle unit includes a first buckle and a second buckle. The first groove restricts the first buckle to an X-axis movement, and the second groove restricts the second buckle to movements along Y and Z axes when the first cord end is connected with the second cord end. The X, Y, and Z axes are each perpendicular to the other two. A wearable device using such an attachment device is also provided.

Abstract: A device to sense degree of twist in a screwdriver and the magnitude of force applied includes a contacting portion, a deformation portion, a sensing portion, and a processor. The contacting portion receives a grip and twist pressure through the deformation portion which is tiltedly fixed to the contacting portion. The deformation portion carries the sensing portion and elastically deforms under the force and/or the torsion. The sensing portion detects a deformation of the deformation portion and generates a corresponding electrical signal. The processor receives the signal and determines the values of the twist caused and the force applied.

Abstract: A telescopic mechanism includes a mounting base, a telescopic block received within the mounting base, and a pushing rod received within the mounting base. The telescopic block is vertically arranged in the mounting base, and the pushing rod is horizontally arranged in the mounting base. The telescopic block defines a guiding channel. The pushing rod passes through the guiding channel. The pushing rod is driven through the guiding channel to cause the telescopic block to extend or retract relative to the mounting base.

Abstract: A wearable device includes a device main body and a connection structure. The device main body includes a snap portion configured to snap with the connection structure. The connection structure includes a main body, a fastening assembly, and a pressing member. The main body defines a fastening groove. The fastening assembly is rotationally mounted within the fastening groove. The fastening assembly includes a first end portion and a second end portion. The fastening assembly includes a latching portion protruding from the first end portion. The latching portion is configured to snap with the snap portion. The pressing member is arranged on the second end portion of the fastening assembly. When the second end portion is pressed, the first end portion is rotated away from the snap portion to disengage the latching portion from the snap portion.

Abstract: A speed reducer includes an input shaft, an output shaft, and a gear assembly coupled to the input shaft. The gear assembly includes a housing, an external gear, and at least two internal gears. The external gear is located within the housing and inscribes the at least two internal gears. One side of the at least two internal gears is rotatably coupled to the input shaft, and another side of the at least two internal gears is coupled to a connecting column of the output shaft. The at least two internal gears are offset on the input shaft, and the input shaft drives the at least two internal gears to maintain engagement with the external gear. The connecting column maintains transmission of the output shaft and the at least two internal gears.