Abstract: A strain sensor is disclosed. The strain sensor includes: a base (10) provided with a mounting recess (11); a mounting structure (20) disposed on the base (10) and located in the mounting recess (11), a preset gap (21) being formed between the mounting structure (20) and an inner surface of the mounting recess (11); a bearing structure (30) mounted in the mounting recess (11) and located outside the preset gap (21); and a wire set (40), a side of the wire set (40) being disposed on the bearing structure (30), and another side of the wire set (40) being arranged on the mounting structure (20). A robot including the strain sensor is also disclosed.

Abstract: A display apparatus is disclosed in the embodiments of the present disclosure. The display apparatus includes a display structure, a sound emitting substrate, and a plurality of electromagnetic exciters; wherein the display structure is configured to receive and display optical signals; the sound emitting substrate is attached to the display structure and is divided into a plurality of regions by a plurality of isolation zones, at least some of the plurality of regions are attached to at least one of the plurality of electromagnetic exciters; and the plurality of electromagnetic exciters are configured to generate bending waves at an area where the plurality of electromagnetic exciters are attached to the sound emitting substrate.

Abstract: A display apparatus and a method for processing audio are provided, the display apparatus includes a circuit board provided with a hybrid circuit, a filter circuit and a speaker; the hybrid circuit is configured to receive an original audio signal and superpose a first sub-signal of the original audio signal on a second sub-signal of the original audio signal to obtain a hybrid audio signal; the first sub-signal includes at least one channel of audio signal, the second sub-signal includes at least two channels of audio signal; the filter circuit is configured to filter the hybrid audio signal according to a frequency characteristic of the first sub-signal and the second sub-signal to obtain a restored original audio signal; and the speaker, connected with the filter circuit, is configured to output the restored original audio signal.

Abstract: Embodiments of the present application provide a wireless energy transmission method and device. A method includes: generating a visible light communication signal according to wireless energy transmission intensity between a wireless energy sending device and a wireless energy receiving device; and sending the visible light communication signal. A signal can be transmitted (or received) related to wireless energy transmission intensity through visible light communication, to enable a user to easily obtain information about wireless energy transmission intensity.

Abstract: A display device and a speaker assembly are provided, the speaker assembly is located in a first rear housing or a second rear housing and includes a shell, a first speaker unit and a second speaker unit, the shell has a cavity, the cavity has a baffle disposed therein, the cavity is divided into a first cavity and a second cavity by the baffle, the first speaker unit and the second speaker unit are respectively located in the first cavity and the second cavity, and the speaker has a relatively low degree of distortion and a relatively high reliability.

Abstract: Device to device (D2D) communication control is provided. A method comprises: allocating a pilot channel resource for at least one directional pilot signal associated with directional D2D communication; and sending information associated with the pilot channel resource. A respective pilot channel resource for a direction pilot signal can be allocated for each direction D2D communication, thereby providing a basis for better control of the D2D communication.

Abstract: Device to device (D2D) communication control is provided. A method comprises: allocating a pilot channel resource for at least one directional pilot signal associated with directional D2D communication; and sending information associated with the pilot channel resource. A respective pilot channel resource for a direction pilot signal can be allocated for each direction D2D communication, thereby providing a basis for better control of the D2D communication.

Abstract: A display device and a speaker assembly are provided, the speaker assembly is located in a first rear housing or a second rear housing and includes a shell, a first speaker unit and a second speaker unit, the shell has a cavity, the cavity has a baffle disposed therein, the cavity is divided into a first cavity and a second cavity by the baffle, the first speaker unit and the second speaker unit are respectively located in the first cavity and the second cavity, and the speaker has a relatively low degree of distortion and a relatively high reliability.

Abstract: The embodiments of this application disclose an auxiliary access method and apparatus thereof. The auxiliary access method comprises: sending at least two access-associated signals by using at least two non-coherent antennas; and receiving at least one access request. According to the method and the apparatus in the embodiments of this application, a probability of a collision between access terminals can be reduced and an access success rate of an access terminal can be improved.

Abstract: A display apparatus and a method for processing audio are provided, the display apparatus includes a circuit board provided with a hybrid circuit, a filter circuit and a speaker; the hybrid circuit is configured to receive an original audio signal and superpose a first sub-signal of the original audio signal on a second sub-signal of the original audio signal to obtain a hybrid audio signal; the first sub-signal includes at least one channel of audio signal, the second sub-signal includes at least two channels of audio signal; the filter circuit is configured to filter the hybrid audio signal according to a frequency characteristic of the first sub-signal and the second sub-signal to obtain a restored original audio signal; and the speaker, connected with the filter circuit, is configured to output the restored original audio signal.

Abstract: Disclosed is an angle sensor, including a gear structure (1), an eddy current probe (2) and a processing unit (3), wherein the gear structure (1) is a gear mounted and fixed on the outer circumference of a rotating shaft or a gear formed by machining on the outer circumference of the rotating shaft, and a positioning structure (P) for feature angle recognition is provided on an outer circumferential side of the gear structure (1); the eddy current probe (2) is positioned at the outer circumferential side of the gear structure (1), and the eddy current probe (2) faces a gear tooth and a tooth groove of the gear; and the processing unit (3) is connected to the eddy current probe (2) and is used for processing signals and outputting an angle measurement signal. Also disclosed is an angle measurement method.

Abstract: The embodiments of this application disclose an auxiliary access method and apparatus thereof. The auxiliary access method comprises: sending at least two access-associated signals by using at least two non-coherent antennas; and receiving at least one access request. According to the method and the apparatus in the embodiments of this application, a probability of a collision between access terminals can be reduced and an access success rate of an access terminal can be improved.

Abstract: The present application discloses an information observation method and an information observation apparatus, and relates to the field of multimedia information processing technologies. The method comprises: detecting a position of a sightline focusing point of an observer; in response to that it is detected that the sightline focusing point of the observer moves away from an observed object, judging whether the observer has observed all important information on the observed object; and in response to that it is judged that the observer has not observed all important information on the observed object, reminding the observer. For the method and the apparatus in embodiments of the present application, from the perspective of an actual observation behavior of an observer, a position of a sightline focusing point of the observer is detected to determine an observation behavior of the observer for important information, so as to radically prevent missing of important information.

Abstract: Data, transmission comprises when sending data to a receiver through a channel, receiving, through the channel, at least one reference signal sent by the receiver; and resending the data according to the at least one reference signal. The present application further discloses other methods and apparatuses for transmitting data. Using the various embodiments, an issue that quality of service (QoS) cannot be ensured due to a lag of a reference signal in conventional data transmission is avoided, and the quality of data transmission can be improved.

Abstract: Embodiments of the present application provide a call processing method and an apparatus thereof. The method includes: receiving information associated with calling at least one slave device, where the information associated with calling at least one slave device is used to request to wake up the at least one slave device from a sleep state to an active state; and sending an excitation signal to the at least one slave device, where the excitation signal is used to request to wake up the at least one slave device. In the method and apparatus in the embodiments of the present application, a slave device is rendered in a sleep state, and the slave device is activated when the slave device is being called or is going to be called, which can save power consumption caused by unnecessary listening by the slave device.

Abstract: Embodiments of this application disclose a power control method and a power control apparatus. The method comprises: receiving, during transmission of an uplink signal of a first time domain transmission length on a channel, at least one piece of first information transmitted on the channel, wherein the first time domain transmission length does not exceed a time domain transmission length of a protocol data unit PDU; and adjusting uplink transmit power during the first time domain transmission length at least according to the at least one piece of first information. By means of the method and the apparatus of the embodiments of this application, in a process of sending an uplink signal, a transmit end device can dynamically adjust transmit power of the uplink signal according to at least one piece of received first information transmitted on a same channel, thereby increasing adjustment granularity of the transmit power, and therefore power control is more precise.

Abstract: The embodiments of this application disclose an access method, an auxiliary access method, and apparatuses thereof. The access method comprises: receiving an access-associated signal from at least one path, wherein the access-associated signal is separately sent by an access point device by using at least two non-coherent antennas; and sending an access request in at least one Direction of Arrival of access-associated signals corresponding to some antennas of the at least two non-coherent antennas. According to the method and the apparatus in the embodiments of this application, an access request is sent in at least one Direction of Arrival of access-associated signals corresponding to some antennas of an access point device, which can reduce a probability of a collision between access terminals and improve an access success rate of an access terminal.

Abstract: Embodiments of the present application disclose a data retransmission method, a data recovery method, and apparatuses thereof. The data retransmission method comprises: determining at least one data symbol that is to be retransmitted to a receiver; and sending the retransmitted at least one data symbol to the receiver. For the methods and the apparatuses in the embodiments of the present application, retransmission is performed for an incorrect symbol, so that a possible bandwidth waste can be reduced.

Abstract: An eddy current sensor for a rotary shaft and a rotary shaft apparatus. The eddy current sensor includes: a housing; one or more position detecting probes provided on the housing; and a rotating speed detecting probe provided on the housing. The eddy current sensor integrates the position detecting probe and the rotary speed detecting probe, such that while the eddy current sensor is detecting position displacement of the rotary shaft, the eddy current sensor may also simultaneously detect the rotating speed of the rotary shaft, which facilitates detecting and monitoring the rotary shaft more comprehensively. The detected position data and rotating speed data of the rotary shaft correspond to each other at any time, such that the working state of the rotary shaft may be analyzed more intensively.

Abstract: Embodiments of the present application provide transmission control methods and transmission control apparatus. A method disclosed herein comprises: determining transmission capability of a first device; and determining transmission configuration between the first device and a second device at least according to the transmission capability of the first device, the transmission configuration comprising information associated with at least two multiple-input-multiple-output (MIMO) channels available for data transmission between the first device and the second device. The method and apparatus of the embodiments of the present application support that at least two separate MIMO channels coexist between an access terminal (AT) device and an access point (AP) device as well as between two AT devices, which have flexible configuration while ensuring a higher data transmission rate, and computational complexity is not high for the devices, which can reduce power consumption of the devices.