610 results about "Wireless transmitter" patented technology

A method is provided for positioning of a device within an environment. The device may access a positioning model stored on the device, wherein the positioning model is based on training of positioning in the environment and represents characteristics of wireless signals in an area in which the device is located. The device may acquire sensor data by one or more sensors of the device, wherein the sensor data comprises position-dependent measurements for one or more positions of the device, wherein each position-dependent measurement relates to a wireless signal transmitted between the device and a radio transmitter arranged in the environment. The device may determine a location of the device within the environment based on inputting of the sensor data to the positioning model.

Embodiments herein relate to a vehicle immobilization system is having a detection unit operable to detect a level of an intoxicant in a user, a control system to receive a signal from the detection unit indicating a level of intoxicant in the user, and a wireless transmitter configured to transmit signals. The system further includes a wireless relay system configured to be disposed in an engine compartment of the vehicle and having a wireless receiver configured to receive the signals from the wireless transmitter. Other embodiments are also included herein.

Methods and apparatus for sharing digital-to-analog (DAC) converters in a reconfigurable DAC circuit to support two or more transmit chains of a wireless transmitter configured for different radio access technologies (RATs) and / or different transmitter architectures. One example DAC circuit generally includes at least four DACs and a plurality of switches coupled to outputs of the at least four DACs such that the DAC circuit is configured as a multi-channel DAC circuit with at least four channels for a first set of one or more frequency bands and as an interleaved DAC circuit with at least two channels for a second set of one or more frequency bands different from the first set of frequency bands.

The invention relates to the technical field of joint robot calibration, in particular to a robot motion indication light spot position rapid acquisition device based on four PSDs, and aims to solve the problem that in an existing joint robot calibration device based on the PSDs, it is difficult to adjust a robot to be aligned to the central points of the PSDs. The second PSD is fixed above the first laser reflection structure, the third PSD is fixed below the second laser reflection structure, and the fourth PSD is fixed above the second laser reflection structure. The first laser reflection structure and the second laser reflection structure are fixed to the reference plate, the reference plate is connected with the lower shell through bolts, a power source, a signal processor and a wireless transmitter are fixed in the lower shell, the signal processor and the wireless transmitter are connected with the power source, and the wireless transmitter and the wireless data transmission radio station conduct transmission through wireless communication. And the wireless data radio station is connected with the upper computer. The problem that laser ray constraint must be aligned with the center of the PSD for repeated adjustment is solved, the operation difficulty is reduced, and the calibration efficiency and precision are improved.

The present disclosure provides for an abrasive blasting remote assembly having a shroud and a deadman lever pivotally connected to the shroud. The deadman lever is pitoval between a closed operating position and a released position. In the closed operating position, the deadman ever engages a momentary deadman switch disposed within the shroud. The momentary deadman switch is electrically connected to a wireless transmitter circuit board, which sends a wireless operational signal to a blasting pot wireless receiver to activate airflow through a blasting hose from a blasting pot, for the movement of abrasive media through the blasting hose, when the deadman lever depresses the momentary deadman switch in the closed operating position.

A system for detecting diseases among plants includes a mobile device such as a smartphone, table, or personal computer, and a mobile robot which sends photographs of diseased plants to the mobile device including a plant name, disease type and location of the plant. The mobile robot includes a power supply, housing unit, camera, navigation unit, GPS unit, wireless transmitter, and traction unit for mobility of the robot. A geared motor drives the traction unit, and is connected to a low-level controller for motion control. A high-level controller is connected to the camera, navigation unit, GPS unit, and programmed with a convolutional neural network (CNN) configured to process images taken by the camera and associate with each image a plant type, disease type, and location of where the image was taken. The CNN may be a you only look once (YOLO) model trained with images from a dataset.

The present invention relates to a corn field water-saving irrigation system, comprising a water tower, a water pump, an output main pipeline, a delivery branch pipe, a nozzle and a nozzle. The water pump is connected to a plurality of delivery branch pipes, and each delivery branch pipe is provided with an independently controlled branch valve. The delivery branch pipe is fixed along the ground by the clamp and the positioning pile; a protective box is provided on the outer side of the delivery branch pipe, and a wireless transmitter and a soil moisture sensor are provided in the protective box, and the detection end of the soil moisture sensor is inserted below the ground. A relay transceiver is provided on the corn field; the soil moisture data sensed by the soil moisture sensor is sent to a nearby relay transceiver through a wireless transmitter; a plurality of relay transceivers transmit the data in a relay manner, and finally send it to a data concentration controller, and then transmit it to a control background through the data concentration controller, and the control background adjusts the opening and closing and opening degree of the branch valve of the delivery branch pipe and the power of the water pump according to a preset program to achieve the purpose of water-saving irrigation.

A transmitter station (110) and a receiver station (120) for communication over a wireless communication channel (130) are disclosed. The wireless transmitter station (110) is configured to transmit an indication to the wireless receiver station (120), wherein the indication is indicative of one of a plurality of determination modes of the wireless receiver station (120) for determining a channel quality metric. Moreover, the wireless transmitter station (110) is configured to transmit a sounding signal to the wireless receiver station (120), wherein the wireless receiver station (120) is configured to determine, based on the sounding signal, a channel quality metric according to the indicated determination mode of the plurality of determination modes. The wireless receiver station (120) is configured to receive the indication and the sounding signal, wherein the indication is indicative of one of the plurality of determination modes for determining the channel quality metric based on the sounding signal.

The present application relates to a wireless transmitter, comprising a processor circuit configured to perform the following processing: determining the number of CBGs that can be sent in the PSCH based on the number of symbols allocated to the PSCH and the number of symbols used for CBs in the CBG; determining the number of REs that can be used for data transmission in the PRB based on the number of symbols allocated to the PSCH, the number of subcarriers in the PRB, and the number of REs used for reference signals in the PRB; determining the payload block size of the CBG based on the number of REs that can be used for data transmission in the PRB, the number of PRBs allocated to UEs, the number of CBGs that can be sent in the PSCH, and the number of information bits for error correction; and determining the transport block size that can be sent in the PSCH based on the number of CBGs that can be sent in the PSCH, the payload block size of the CBG, and the number of information bits for error correction.

Implementations described herein provide systems, methods, and devices for vehicle occupant detection based on wireless transmission(s) from one or more wireless transmitter devices (e.g., beacons) located in the vehicle. The wireless transmitter devices can be standalone devices, such as portable low energy beacons, and / or the wireless transmitter devices can be integrated into other components of the vehicle, such as an on-board dash computer or a door handle. The systems disclosed herein receive the wireless transmission and determine transmission metrics associated with the transmission, such as a signal strength value or a transmission angle. A driver status determination and / or a passenger status determination is based on the transmission metrics. A data file converter generates a driver status data file representing the driver status determination and / or the passenger status determination. The driver status data file is sent to an application for which the driver status data file is configured.

A system includes an implantable medical device and an external charger. The implantable medical device includes a power element and a wireless receiver to receive power to charge the power element. The external charger includes a wireless transmitter to transmit the power to the wireless receiver of the implantable medical device.

The invention is directed to a wireless transmitter device (100), comprising a signal provision unit (102) for providing wireless mm-wave / THz-communication signals (104), an operation-mode ascertaining unit (108) for ascertaining operation data (110) indicative of a desired operation mode from a plurality of available operation modes including a communication operation mode for data communication and a gas-sensing operation mode for sensing, using the mm-wave / THz-communication signals (104), a presence of a predetermined gas (112) within a gas-sensing volume (114), and a signal-parameter determination unit (116) connected to the operation-mode ascertaining unit and to the signal provision unit and for determining emission parameters of the mm-wave / THz-communication signals to be provided in dependence on the desired operation mode. The signal provision unit is configured to provide mm-wave / THz-communication signals in accordance with the determined emission parameters and thus enables an increase of the functionality of wireless transmitter devices operating in the mm-wave / THz communication band.

An apparatus may include: a housing configured to be worn on at least a portion of a human hand or wrist; an inertial measurement unit (IMU) attached to the housing and configured to generate IMU data corresponding to an orientation of the apparatus; a wireless transmitter attached to the housing and configured to transmit radio frequency (RF) signals corresponding to the IMU data; an ultrasonic transmitter system attached to the housing and comprising one or more ultrasonic transmitters; and a control system attached to the housing and configured to: control a first ultrasonic transmitter of the ultrasonic transmitter system to produce first ultrasonic transmissions of a first ultrasonic transmission type; and control the wireless transmitter to transmit RF signals corresponding to the IMU data, the RF signals being synchronized with the first ultrasonic transmissions. The apparatus may be a ring that is configured to be worn on a human digit.

The invention relates to the technical field of intelligent control and automatic equipment of mining machinery, in particular to an intelligent speed regulation feeding conical crawler belt crushing and screening station based on multi-source data feedback. Comprising a feeding machine, a material returning belt, a conical crushing set, a double-power bag, an upper screen belt, a material returning screen, a screen lower belt, a transition belt, a weak current box, a crawler chassis, a waste chute, a strong current box, a monitoring alarm system, an external operation assembly and a machine body, the crawler chassis is assembled at the lower end of the machine body, the feeding machine is assembled on one side of the machine body, and the material returning belt is assembled on the other side of the machine body; a cone breaking set is assembled at the upper end of the machine body, a wireless transmitter in an external operation assembly is assembled in the machine body, a transition belt is assembled on one side of the machine body, data transmitted back to a controllable programmer in real time is analyzed through a discharging radar level gage and a feeding radar level gage, and belt speed data is calculated. And the frequency converter controls the rotating speed of the variable-frequency speed-regulating speed-reducing motor, so that the feeding belt speed of the feeder is controlled.

The treatment device comprises a treatment assembly, a nickel recovery assembly, an adding assembly and a phosphorus recovery assembly, the nickel recovery assembly is arranged on the periphery of the treatment assembly, the adding assembly is arranged on the periphery of the nickel recovery assembly, and the phosphorus recovery assembly is arranged on the periphery of the nickel recovery assembly. The phosphorus recovery assembly is arranged on the periphery of the nickel recovery assembly, the nickel recovery assembly comprises a rectifier, a catholyte circulation bin, an anolyte circulation bin, a second pump body, two first PH detection probes, two first wireless transmitters, an electrolysis bin, a cathode plate, an anode film frame, an anode plate, a third pump body, a fourth pump body and a fifth pump body, and the rectifier is arranged on the periphery of the treatment assembly. The treatment device for efficiently recovering nickel and phosphorus from the nickel plating waste liquid and the treatment process thereof provided by the invention have the advantages that the transportation and emission risks in the outward transportation treatment process of the nickel-containing waste liquid are reduced, nickel and phosphorus resources are recovered, the treatment cost of the waste liquid is reduced, and meanwhile, the pollution to the environment and the damage to the ecology are reduced.

An electronic device is described to monitor a temperature of an ambient environment. The electronic device comprises an enclosure that defines an internal volume and a plurality of external surfaces. The enclosure comprises a thermal member exposed to the ambient environment at an opening defined through a first external surface. The thermal member has a greater thermal conductivity than other portions of the enclosure, which have a greater transmissibility of wireless signals than the thermal member. The plurality of external surfaces and the thermal member are disposed to prevent liquids from entering the internal volume. The electronic device further comprises a temperature sensor disposed in the internal volume, thermally contacted with the thermal member, and connected with wireless transmitter circuitry to wirelessly transmit measurements of the temperature of the ambient environment.

The utility model discloses a zinc impregnation furnace with a multipoint temperature acquisition wireless transmission and temperature control device, which is characterized in that a plurality of independently controlled heating devices are arranged in a hearth of the zinc impregnation furnace along the length direction, a furnace core is provided with a plurality of heating sections, a multipoint temperature measuring thermocouple is arranged in the furnace core, and each temperature measuring point corresponds to one heating section; the multi-point temperature measuring thermocouple is connected with the wireless transmitter, a wireless receiver, a signal distributor, a PIC controller and a heating device controller are arranged in the control cabinet, a temperature display instrument is arranged on the control cabinet, the wireless receiver is connected with the signal distributor, the signal distributor is connected with the PIC controller and the heating device controller, and the heating device controller is electrically connected with the heating device. The plurality of temperature measuring points are arranged in the furnace core, the temperature measuring points are used for measuring the temperature of the heating section, and the heating device controller is used for timely controlling and adjusting the working state of the heating device according to the measured temperature, so that the temperature in the furnace core is uniform, and the zinc impregnation quality of a workpiece is improved.

The utility model is applicable to the technical field of endoscopes, and provides a wireless and wired switching system of an endoscope, which comprises an endoscope main body, a camera module, a wired interface, a wireless transmitter and a control unit, the wired interface is used for wired transmission, the wireless transmitter is used for wireless transmission, and the control unit is used for controlling the camera module. The control unit is mainly used for controlling switching of signal transmission between the wired interface and the wireless transmitter, the control unit comprises a single chip microcomputer, a mode switching module and an automatic signal switching module, so that the endoscope main body can be efficiently switched between a wired working mode and a wireless working mode, the technology of only depending on wired transmission in the prior art is replaced, and the working efficiency of the endoscope main body is improved. A transmission working mode can be freely selected according to actual application requirements, the flexibility and convenience of endoscope operation are improved, and medical accidents are greatly reduced.

A system for alerting includes several personal devices. Each personal device has logic, an activation switch, and a wireless transmitter. The logic causes the wireless transmitter to send a wireless transmission responsive to operation of the activation switch. There are several classroom devices (e.g., in a building). Each of the classroom devices has a processor, non-transitory memory, a transceiver, a way to communicate with a central server computer, and software. Responsive to receiving the wireless transmission from the personal device, the classroom device forwards the alert to the central server computer. When server software that runs on a processor of the central server computer receives the alert from one of the classroom devices, the server software counts total alerts and if the total alerts exceed a total alert threshold within a requisite amount of time, the server software signaling an alarm.

The device comprises a guide plate, the guide plate comprises guide wing plates and guide blocks, the guide wing plates are rotationally arranged on the upstream and downstream of a pier through the guide blocks, the guide blocks are connected with one end of a rotation control machine, and the other end of the rotation control machine is installed on the top of the pier. The pressure sensors are installed on the two sides of the diversion wing plate installed on the upstream of the bridge pier, the pressure sensors are waterproof pressure sensors, wireless transmitters are embedded in the diversion wing plate where the pressure sensors are located, the wireless transmitters are electrically connected with the pressure sensors, and the pressure sensors are connected with a pressure receiving processor through the wireless transmitters. The pressure receiving processor and the rotation control mechanism are both connected with the controller. Along with the change of the incoming flow direction of water flow, the flow guide block can be controlled in real time to rotate, the flow guide wing plates are driven to rotate, the flow guide wing plates evenly distribute flow, the water flow pressure difference of the two sides of the upstream of the pier and the trailing vortex of the downstream of the pier are reduced, and therefore the effect of greatly reducing the resistance of the pier is achieved.

A microscope assembly includes: a main body with a connector, an analog optical assembly with a monocle having a connector suitable for being removably connected to the connector of the main body for operating in analog mode; a digital optical assembly having a connector suitable for being removably connected to the connector of the main body for operating in digital mode; and a smartphone having a display and a wireless transceiver; the digital optical unit including a camera of digital type with a wireless transmitter configured to communicate with the wireless transceiver of the smartphone, and a holder suitable for holding the smartphone.

The safety systems for commercial blasting operations include wireless transmitter system(s) configured to send command signals wirelessly to wireless devices that are configured for wireless electronic blasting (web). The system also includes disable antenna(s) that define deactivation zone(s): vehicle / personnel presence detector system(s) including detectors that define detection zone(s), and / or RFID scanner system(s) with reader antennas that defined scanner zone(s); and a safety control system in electronic communication with the wireless transmitter system(s), and the vehicle / personnel presence detector systems and / or the RFID scanner systems, wherein the safety control system is configured to control the wireless transmitter systems to send wireless disable command(s) to disable the wireless devices that are within the deactivation zones, and / or to control alarm system(s) to generate alarms, in response to a vehicle / person being detected in the detection zones and / or a wireless device being detected in the scanner zones.

An access node, user equipment, apparatuses, methods, and computer programs for a communication system. An apparatus for a wireless transmitter device includes a transmitter module for transmitting wireless transmissions and a processing module, which controls the transmitter module. The processing module generates one or more transmit symbols in a Delay-Doppler domain to obtain a Delay-Doppler representation; transforms the Delay-Doppler representation into a Time-Frequency domain to obtain a Time-Frequency representation, the Time-Frequency representation having a first bandwidth and a first duration; adds pilot symbols to the Time-Frequency representation to obtain a Time-Frequency representation with an extended second bandwidth or an extended second duration; transforms the Time-Frequency representation with the extended second bandwidth or the extended second duration to the time domain to obtain a time domain representation; and transmits the time domain representation to a wireless receiver device.

A device positionable in a passenger compartment of a vehicle can include a processor, an accelerometer, and a wireless transmitter. The processor can receive, while in a hibernation mode, an interrupt signal from the accelerometer based on the accelerometer detecting an acceleration of the vehicle that exceeds a predefined acceleration threshold. In response to receiving the interrupt signal from the accelerometer, the processor can switch from the hibernation mode to a sleep mode. While in the sleep mode, the processor can detect a trip start event based on one or more accelerometer values from the accelerometer. In response to detecting the trip start event, the processor can then switch from the sleep mode to an active mode. While in the active mode, the processor can receive additional accelerometer values from the accelerometer and store them for subsequent transmission to a remote server system using the wireless transmitter.

A marine vessel smart pole includes a wireless transmitter configured or programmed to perform a communication function to communicate with a marine vessel and a communication object other than the marine vessel, and a position information function to provide a position of the marine vessel smart pole to the marine vessel or a server of a port facility.

A method for signal processing includes receiving via first and second antennas respective first and second input signals in response to an output signal that is transmitted from a wireless transmitter and encodes a predefined sequence of symbols. A temporal correlation function is computed over the first and second input signals with respect to one or more of the symbols in the predefined sequence so as to identify respective first and second correlation peaks and extract respective first and second carrier phases of the first and second input signals at the first and second correlation peaks. A phase difference between the first and second signals is measured based on a difference between the first and second carrier phases extracted at the first and second correlation peaks. Based on the measured phase difference, an angle of arrival of the output signal from the wireless transmitter is estimated.

A method for signal processing includes receiving via first and second antennas (34) respective first and second input signals in response to an output signal that is transmitted from a wireless transmitter (27, 28, 30) and encodes a predefined sequence of symbols. A temporal correlation function is computed over the first and second input signals with respect to one or more of the symbols in the predefined sequence so as to identify respective first and second correlation peaks and extract respective first and second carrier phases of the first and second input signals at the first and second correlation peaks. A phase difference between the first and second signals is measured based on a difference between the first and second carrier phases extracted at the first and second correlation peaks. Based on the measured phase difference, an angle of arrival of the output signal from the wireless transmitter is estimated. There is additionally provided, in accordance with an embodiment of the invention, a method for location finding, which includes receiving radio signals transmitted between a plurality of fixed transceivers having multiple antennas at different, respective first locations and a mobile transceiver at a second location. A respective phase difference is detected between the received radio signals that are associated with each of the multiple antennas of each of the fixed transceivers. Multiple loci are computed, corresponding respectively to respective angles between each of the fixed transceivers and the mobile transceiver based on the respective phase differences. Location coordinates of the mobile transceiver are found based on the angles and the transmit locations of the transmitters by identifying an intersection of the loci as the second location of the mobile transceiver.

Examples described herein include systems and methods which include wireless devices and systems with examples of full duplex compensation with a self-interference noise calculator. The self-interference noise calculator may be coupled to antennas of a wireless device and configured to generate adjusted signals that compensate self-interference. The self-interference noise calculator may include a network of processing elements configured to combine transmission signals into sets of intermediate results. Each set of intermediate results may be summed in the self-interference noise calculator to generate a corresponding adjusted signal. The adjusted signal is received by a corresponding wireless receiver to compensate for the self-interference noise generated by a wireless transmitter transmitting on the same frequency band as the wireless receiver is receiving.

A laser level assembly includes a mounting bracket and a laser level on the mounting bracket. The mounting bracket includes a base part and a back cap. The laser level includes a laser generator, the laser level projects at least one of a horizontal line, a vertical line or a laser spot. The laser level also includes a battery pack receptacle configured to selectively receive a removable battery pack, a wireless transmitter, a circuit board in the mounting bracket, and a secondary power device on the circuit board. The removable battery pack is configured to power the at least one laser generator. The secondary power device is configured to selectively power the wireless transmitter.

The utility model relates to shield muck pipeline transportation technical field, concretely is a kind of dense paste conveying pipeline pressure testing device, including base pipe, the middle position of base pipe is equipped with oil cylinder, and the space between packing seal and diaphragm is provided with piston in the inside of oil cylinder, away from base pipe side and close to base pipe side respectively in oil cylinder, the top of oil cylinder is equipped with driving motor, and the top of piston is connected with piston rod that passes through packing seal and is connected with the output end of driving motor, and the shape of diaphragm is consistent with pipeline inner wall, so that diaphragm directly contacts with muck paste, facilitate pressure transmission, and pressure transmission is accurate;Operating clearance can make diaphragm oscillation, carry out self-cleaning, remove the muck adhered to its surface, avoid the problem that muck hardens and thus leads to signal distortion;Pressure transmitter converts pressure signal into electric signal, can be displayed in place through secondary instrument, and also can be transmitted wirelessly through wireless transmitter, and signal is wirelessly transmitted.