24 results about "Wireless signal" patented technology

Said system includes a reader and at least a responder. It is characterized by that a wireless signal with specific form is used to create wireless communication between the reader and responder, said wireless signal is formed from logic signal portion and time slot portion, the logic signal portion is used for transferring various commands or informations of reader to responder, and time slot portion is used for responder to make back scattering modulation and transfer one-column binary bit response signal to reader; it uses the wireless communication as basis, the reader can transfer correspondent command and/or information to responder, and can make the responder implement correspondent conversion between initial state, general inquiry state, general search state, waiting state and confirmation state and execute search and or inquiry action of reader to responder so as to implement identification of reader to responder.

The invention provides a portable and visual inspection device for transformer substation equipment. The portable and visual inspection device for the transformer substation equipment comprises a bracket, an insulation supporting rod, a vidicon, a video signal transmitter, a video monitor, a steering engine and a remote control. The steering engine comprises a shell, a control arm and a circuit device. The circuit device comprises a wireless signal receiving module, a CPU control module, a control arm drive module and a power module. The video signal transmitter is electrically in signal connection with the vidicon. The video monitor is electrically in wireless signal connection with the video signal transmitter. The remote control is electrically in wireless signal connection with the wireless signal receiving module. The vidicon is fixed to the bracket. The insulation supporting rod is detachably connected with the bracket. The steering engine and the video signal transmitter are both installed on the bracket. The control arm of the steering engine can control the vidicon to focus. The portable and visual inspection device for the transformer substation equipment is simple in structure and convenient to carry, can provide real-time operation state videos of the transformer substation equipment, is convenient and safe to operate when used, and effectively improves the reliability of power protection; no inspection dead zone exists.

The invention provides a mobile video monitoring system based on cognitive radio. The mobile video monitoring system comprises a control center and a mobile terminal. The control center is wirelessly communicated with the mobile terminal through an ISM frequency band. The control center is used for monitoring communication quality and determining whether spectrum sensing and channel switching need to be carried out or not according to the communication quality. If data transmission between the mobile terminal and the control center cannot be recovered through the channel switching, the data transmission of the mobile terminal is relayed through a relay robot. The invention further provides a mobile video monitoring method. According to the mobile video monitoring system and the method, the unfixed communication frequency band is adopted, and in the ISM frequency band, channel interference is automatically sensed and avoided, and the interference problem is solved. The wireless signal fading problem is solved through power control and relay transferring, and therefore the real-time performance and reliability of video transmission are guaranteed. The mobile video monitoring system and the method do not depend on the coverage of the commercial wireless network, and have actual application significance in video monitoring in the emergency environment, the severe environment and the unknown environment.

The present invention discloses an intelligent toilet seat ring control method, an electronic device and a storage medium. The method comprises: detecting a received wireless signal, wherein the wireless signal is sent by a signal transmitting device, and is reflected and received; when detecting that a reflection object is within a set distance threshold, performing identification; and after detecting that the reflection object is near the toilet movement, if a standing movement is identified, that the reflection object has a human chest movement is identified, and/or that the reflection object has a human standing pee posture is identified, controlling the toilet seat ring to be opened. According to the technical scheme of the present invention, by identifying the characteristic movementof the male urination behavior, the toilet seat ring and cover can be automatically flipped, so that the sanitary problems caused by manually flipping the toilet seat cover and urination liquid in the toilet seat ring caused by male child's lack of flipping movement can be avoided.

The present disclosure discloses a brake control system for use in a vehicle and a control method thereof. A brake control system may be configured to include a brake pad for braking the vehicle by pressing a brake disc provided in the vehicle, a measuring apparatus for measuring the vehicle speed, the wear level of the brake pad, the traveling distance of the vehicle, the braking distance of the vehicle, and the braking pressure applied by the brake pad to the brake disc at braking, and a controller connected with the measuring apparatus and for controlling an operation of the brake pad. The controller may compare an initial braking distance, which is a design value of the braking distance before initial traveling of the vehicle, with a current braking distance, which is a braking distance after traveling of the vehicle during a certain duration, and increase the braking pressure of the brake pad in response to the amount of increase in the braking distance, when the amount of increase in the braking distance, which is a difference value between the current braking distance and the initial braking distance, is out of a setting range. The brake control system may transmit and receive a wireless signal in a mobile communication network constructed according to 5G (Generation) communication.

The invention discloses a checking-in locating system which comprises a management system server, a GIS server, a locating SP, a PC terminal and a wireless signal emitting device. The checking-in locating system is characterized in that the management system server comprises a shell, the center of the inner wall of the bottom of the shell is connected with an ARM9TAMI series embedded processor through a screw, a GIS server and the locating SP are connected with the signal input end of a processor through signal lines, the signal output end of the processor is connected with the signal input end of the PC terminal through a signal line, and the locating SP is connected with the wireless signal emitting device through a wireless network. The checking-in locating system and a human resource system are used in an integrated mode, the checking-in system to which a user can logs in at different geographic positions and network positions is achieved, checking-in sites can be distributed, multiple checking-in tasks can be completed flexibly, and the limit of time and space on common checking-in systems is avoided.

The invention relates to an electric generator wireless monitoring device. The electric generator wireless monitoring device comprises an electric generator, a monitor and a client side, wherein the monitor acquires state parameters of the electric generator; and the client side is connected with the monitor in a wireless communication mode. The electric generator wireless monitoring device is characterized by further comprising an electrical box and an antenna; the electrical box is arranged on the electric generator; the antenna is used for wireless communication, is arranged on the electrical box, and is connected with the monitor through a conveying wire; the antenna is wirelessly connected with the client side by transmitting and receiving wireless signals; and one of an output socket of the electric generator, an electric switch and an indicator lamp is further arranged on the electrical box at least. The antenna of the electric generator wireless monitoring device is mounted on the electrical box of the electric generator, has the obvious advantages of good wireless communication effect and simple mounting structure, and is good in modification adaptability.

Disclosed are a receiving apparatus and a receiving method. More particularly, disclosed are a receiving apparatus and a receiving method in an OFDM system. The receiving apparatus in the OFDM system includes a receiver for receiving wireless signals transmitted through wireless channels, a transformer for transforming the wireless signals into signals of a frequency domain, an inverse transformer for inversely transforming reference signals into signals of a time domain based on a number of reference signals included in the signals of the frequency domain and an arrangement interval of the reference signals included in the signals of the frequency domain, and a determiner for determining a delay spread based on the inversely transformed signals of the time domain.

The invention discloses a method and device for increasing the downloading rate of a mobile terminal. The method and device are applied to subway rail areas. The method comprises the following steps:selecting a matched power divider according to the redundancy of radio frequency power of wireless equipment in a ground rail area; under the condition that the number of leaky cables is not increasedand wireless equipment is not increased, carrying out uplink and downlink separation on wireless signals of wireless communication equipment of a frequency division duplex technical system by adopting a power divider so as to thoroughly avoid third-order intermodulation interference signals generated by mutual combination of various frequency division duplex wireless signals; dividing wireless signals of a time division duplex technical system into two groups which are respectively carried on one of the two leaky cables, so as to avoid a third-order intermodulation interference signal generated by mutual combination of all the wireless signals of frequency division duplex and time division duplex, and enabling a mobile terminal in a rail area of the ground rail to achieve double-flow transmission of downloaded data.

The invention discloses a plane inverse-F triple-band antenna applicable to receiving and emitting wireless signals of notebook computers, comprising a grounding part which is a strip metal plate, a fixing part is arranged at one end of the grounding part, and the antenna is fixed inside the notebook computer by the fixing part; a switch-in part arranged on one end of the grounding part opposite to the fixing part, and the switch-in part is connected with the wireless adaptor arranged inside the notebook computer; an emitting and receiving part which is arranged above the position between the two ends of the grounding part, the emitting and receiving part is connected with one end of the grounding part, and the emitting and receiving part comprises a first emitting and receiving unit, a second emitting and receiving unit and a third emitting and receiving unit, the three emitting and receiving units are used to receive and send three wireless network signals in different wave-bands.

The invention discloses a mobile phone hotspot controlled keyhole-free safety box, and relates to the technical field of safety boxes. The mobile phone hotspot controlled keyhole-free safety box comprises a cabinet body, an upper cover, a safety box door and a grid division top plate, wherein the bottom of the upper cover is fixedly connected with the top of the cabinet body, the safety box door is movably arranged on the front side of the cabinet body, an electromagnetic bolt is fixedly arranged at the bottom of the inner surface of the safety box door, the interior of the cabinet body is fixedly provided with adjustable screw rod assemblies which are symmetrically arranged, and the grid division top plate is in sliding connection with the adjustable screw rod assemblies. According to themobile phone hotspot controlled keyhole-free safety box, a keyhole-free design is adopted, so that thief unlocking technology is nowhere to be used, an electromagnetic lock is opened by utilizing a hotspot of a mobile phone, so that the purpose of opening the electromagnetic lock by cracking a wireless WIFI password by a thief can be prevented, a wireless hotspot module is used for matching the hotspot on the mobile phone with the wireless hotspot module, so that a theft of the thief by utilizing the wireless signals is avoided.

The invention discloses a method capable of controlling multiple solar lamps to carry out energy-saving irradiation. Firstly, a remote control device is used for sending signals to a solar lamp, so that the solar lamps enter a controllable state, the solar lamps entering a controllable state are uniformly managed by the induction heads, the brightness of the solar lamp is determined by an infraredsignal sensed by the sensing head, when the infrared signal is detected, the sensing head emits a wireless signal to enable the brightness of the solar lamp to become large, and when no infrared signals are detected, the sensing head sends out a wireless signal to enable the brightness of the solar lamp to become the default brightness. According to the invention, the remote control device receives the illumination information of a region induced by the induction head, controls the opening and closing and brightness of the solar lamp in the region through the received information, a pluralityof solar lamps in a certain area can be controlled by only one solar sensor, so that the operation is more convenient, and the manufacturing cost of the solar lamp is greatly reduced.

The invention relates to a building energy consumption monitoring and management system which comprises a plurality of lighting areas, a plurality of lighting lamps arranged in each lighting area anda pedestrian volume data collector, and further comprises a control module. The control module comprises a time control module, a control unit and a display. The control unit is electrically connectedwith the lighting lamp in the lighting area. The invention further relates to a monitoring method, a building energy consumption monitoring management system is included, a remote background is further included, the control module further comprises a wireless signal transmission module, and the wireless signal transmission module is electrically connected with the control unit. And the control module is used for processing the data signals acquired by the pedestrian volume data acquisition device and comparing the data signals with the data signals acquired by the light acquisition device soas to adjust the brightness in the building. By means of the control module, energy consumption can be saved to the maximum extent, and convenience and practicability are achieved.

A personal electronic device has its modules wirelessly connected for communications between the modules. The personal electronic device comprises a frame module, a peripheral module, a battery unit, and a plurality of power lines. The frame module and the peripheral module are each equipped with a wireless chipset and an antenna. The communication between the frame module and the peripheral module is accomplished only through wireless signals. There are no wires and sockets for connecting the frame module to the peripheral module. Costs related to wires and sockets manufacture and installation are thereby reduced.

The invention relates to the technical field of calling alarm devices, in particular to a calling alarm device for a marine HMI anda system, which comprises a rectangular mounting plate, a fixed mounting sleeve column is vertically arranged on the front side of the rectangular mounting plate and close to the left side, a supporting rod is movably connected to the top of the fixed mounting sleeve column, and an adjusting rod is movably connected to the top of the supporting rod. A rectangular supporting plate is horizontally arranged at the top of the adjusting rod, a cylindrical warning device and a wireless communication antenna are arranged at the top of the rectangular supporting plate, and a wireless calling box is arranged at the position, close to the right side, of the front side of the rectangular mounting plate. According to the calling alarm device used for the marine HMI anda system, the cylindrical warning device and the wireless communication antenna are arranged at a high position through the supporting rod and the adjusting rod, wireless signals cannot be blocked by equipment, the cylindrical warning device arranged at the high position can enable workers in a relatively far position to see warning lamp signals, and the warning lamp signals are not blocked by the wireless communication antenna. Workshop workers can quickly find out the position where a production line goes wrong.

The invention discloses a wireless signal transmitter system for garbage conveying and a use method thereof. The wireless signal transmitter system comprises a garbage treatment center and a plurality of garbage recycling branches, and is characterized in that the garbage treatment center comprises a treatment box, a first cavity is formed in the treatment box, a feeding port with a rightward opening is formed in the right wall of the first cavity, the lower side face of the feeding port inclines towards the lower left portion, and a packaging device is arranged in the portion, on the lower side of the feeding port, of the first cavity. According to the wireless signal transmitter system, the multiple garbage recycling branches are arranged, and after the amount of garbage in the garbage recycling branches reaches the standard, the garbage can be automatically conveyed to the garbage treatment center; wireless signal transmitters are arranged in the garbage recycling branches, so that the garbage recycling branches can be prevented from interfering with one another when moving to the garbage treatment center; and the garbage conveyed into the garbage treatment center can be packaged with plastic film, so that the working burden of sanitation workers is relieved.

The invention relates to a school table with an advertisement broadcasting function. The school table comprises a table board and four table legs. The four table legs are respectively arranged at four corners of the lower end of the table board and are fixedly connected with the bottom of the table board, an advertisement board is arranged at the upper end of the table board, the lower end of the advertisement board is hinged to the upper end surface of the table board, and the upper end of the advertisement board is obliquely positioned above the table board; the advertisement board is oblique towards the rear side of the table board, a broadcasting machine is arranged at the upper end of the table board and is connected with a Bluetooth device by circuits, and the Bluetooth device is connected with an external sound source device by wireless signals. Compared with the prior art, the school table has the advantages that the Bluetooth device is connected with the broadcasting machine by the circuits and is connected with the sound source device, a teacher wears the sound source device, signals can be wirelessly transmitted to the broadcasting machine by the Bluetooth device, accordingly, broadcasting can be carried out, and the class efficiency can be enhanced.

The invention discloses a rapid tooth roller replacement rotation shaft device used on a tooth roller type pulverizer. The rapid tooth roller replacement rotation shaft device comprises a rotation shaft. The rotation shaft is fixedly arranged on the tooth roller type pulverizer. A hydraulic tooth roller fixing device is arranged on the rotation shaft. A hydraulic positioning device is arranged onthe surface of the outer side of a polygonal fixing barrel. A storage battery groove is formed in one end of the polygonal fixing barrel and internally provided with a storage battery device. A remotecontroller is arranged outside the rotation shaft. A controller box is arranged on the upper surface of the storage battery groove and internally provided with a controller. A wireless signal receiver is arranged in the controller. The power output end of the controller is electrically connected with a hydraulic oil pump, a hydraulic electromagnetic valve and a mini linear motor, and the power input end of the controller is electrically connected with the storage battery device. The rapid tooth roller replacement rotation shaft device has the beneficial effects of being simple in structure and high in practicability.

A distributed beamforming system includes a platform terminal and a plurality of user terminals. The platform terminal includes an antenna array including a plurality of antenna elements. Each antenna element transmits a wide-area beam configured to encompass each of the plurality of user terminals. The platform terminal also includes one or more processors in electronic communication with the antenna array and a memory coupled to the one or more processors. The memory stores data into a database and program code that, when executed by the one or more processors, causes the platform terminal to receive an incoming signal and split the incoming signal into a plurality of individual wireless signals. Each individual wireless signal corresponds to one of the plurality of antenna elements of the antenna array. The system also transmits the plurality of individual wireless signals to the user terminal by the antenna array.