480 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.

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.

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.

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.

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 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.

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 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.

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.

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.

The utility model discloses a wireless charging device for an insulated boom truck, which relates to the technical field of engineering machinery manufacturing and comprises a vehicle-mounted wireless transmitting unit arranged on a truck body, a wireless receiving unit and a platform storage battery, the vehicle-mounted wireless transmitting unit is composed of a human-computer interface, a switching power supply, a direct-current voltage stabilizer, a high-frequency inverter, a transmitting coil and a first controller, the vehicle-mounted wireless transmitting unit is connected to a power supply, the wireless receiving unit is composed of a receiving coil, a rectifying module and a second controller, the receiving coil is arranged outside the lifting platform, and the rectifying module is connected with the second controller. The power supply comprises a chassis storage battery integrated on the vehicle body and a mains supply connected with the external part in an inserted manner. The vehicle-mounted wireless transmitting unit is mounted at the tail part of the vehicle body of the insulating bucket arm, and the wireless receiving module is mounted in the vehicle body at the upper end of the insulating arm; and the wireless charging device charges the platform storage battery by using the electric energy of the chassis storage battery.

The invention provides a sleep nursing device capable of automatically adjusting temperature, which relates to the field of sleep nursing and comprises a shell, a surface shell and a flexible electric heating sheet, the inner side face of the machine shell is connected with a control mainboard through bolts, a through hole is formed in the position, close to the left end, of the upper side face of the machine shell, a wireless transceiver is installed in the through hole of the machine shell, a meter cover is bonded to the lower side face of the meter shell, an infrared temperature measuring sensor is installed in the through hole of the meter cover, and a miniature wireless transmitter is installed in the through hole of the meter shell. The left end and the right end of the flexible electric heating piece are each provided with an attaching pad in an adhesive mode. Through the arrangement of an infrared temperature measurement sensor, a micro wireless transmitter, a wireless transceiver and a flexible electric heating sheet, the temperature of the heating mattress can be automatically regulated and controlled according to the body temperature change rule in different sleep periods at night; the problem that the sleep quality of a patient is damaged due to uncomfortable sleep temperature of a human body caused by the fact that a traditional warm mattress in sleep nursing cannot automatically control and adjust the temperature according to the temperature change of the human body sleeping at night is solved.

1. The name of this design product: Audio Wireless Transmitter. 2. Purpose of this design product: used for audio signal transmission. 3. The key point of the design of this product lies in the shape of the product. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention relates to a hybrid plug connector system (100) for transmitting power and data. The plug connector system has a plug (110) with a plug / cable interface (110a) for wired data and energy transmission, and a plug interface (112) for wired energy transmission and wireless data transmission. The plug connector system (100) also has at least one complementary socket (120) with a socket interface (122) which is designed to be complementary to the plug interface (112). The plug connector system allows energy and data to be transmitted between devices (consumers and generators) connected to the plug / cable interface (110a) and the socket / cable interface (126), wherein the radio plug wireless transmitter and / or receiver (114) and the radio socket wireless transmitter and / or receiver (123) allow wireless transmission with a high bandwidth and short range, in particular in the 60 GHz band. As a result of the wireless data transmission within the plug connector system, the fragile and error-prone data contacts of the plug connection which are otherwise necessary are dispensed with, as a result of which the connector mechanism can have a simpler design and the data connection is more reliable. As a result, the use of hybrid connections between generators and consumers of high power is simplified and allows plug 'n' play, for example for load management or current direction reversal in electrical systems.

The present invention belongs to the field of electric vehicle power supply, and specifically discloses a wireless charging transmitter plate alignment structure driven by a conductive magnetic field. A guide channel with openings at both ends is formed inside the installation shell and is used for the left and right transverse movement of the wireless transmitter plate. Sensors are installed at both ends of the wireless transmitter plate. A first stator assembly is provided inside the wireless transmitter plate, and a first rotor assembly is installed on the receiving plate. Two second stator assemblies are respectively installed in the base corresponding to two sets of lifting scissor fork mechanisms, and a second rotor assembly that cooperates with the second stator assembly is embedded in the drive block. The present invention sets the wireless transmitter plate as a structure that can move laterally independently, uses sensors provided at both ends of the wireless transmitter plate for alignment monitoring, and can adjust the alignment according to the offset position of the receiving plate to ensure the maximum effective charging receiving area and improve charging efficiency. The stator assembly and the rotor assembly are combined to form a drive structure with a simple structure and strong controllability. It also greatly simplifies the internal structure of the charging device and saves space.

A wireless sensor system for a vehicle includes a controller, a wireless transmitter in electronic communication with the controller, a sensor, and a generator device. The generator device includes a wireless receiver in wireless communication with the wireless transmitter. The generator device further includes an electric-to-mechanical transducer in electronic communication with the wireless receiver and a piezoelectric or triboelectric generator proximate to or in contact with the electric-to-mechanical transducer. The generator device further includes an energy-storage device. The energy storage device includes an input in electronic communication with the piezoelectric or triboelectric generator, and an output in electronic communication with the sensor.

A tracking system and a method of tracking an object. Wireless signal communication between a central processing unit, a device and numerous wireless transmitters allows the tracking system to provide tracking information through different communication modalities. In one form, the communication is between the device and a first of the wireless transmitters or between the device and one more second wireless transmitters when the device is within Bluetooth® Low Energy wireless signal communication range. Likewise, the communication is between the device and one or more of the first wireless transmitter, the second wireless transmitters or the central processing unit over one of numerous other wireless communication technologies when the device is beyond Bluetooth® Low Energy wireless signal communication range of the first and second wireless transmitters. Additionally, some of the wireless transmitters may form either direct or indirect wireless signal communication with one another. Other components, such as smartphones or related mobile computing devices, may be included in the tracking system.

The present application relates to a method of opening a wireless connection between a remote control device and a controller on a materials handling vehicle. A system includes a remote control device usable by an operator interacting with a materials handling vehicle. The remote control device includes a wireless communication system including a wireless transmitter and a rechargeable power source. The system further includes a receiver at the vehicle for receiving transmissions from the wireless transmitter, a controller at the vehicle communicably coupled to the receiver, the controller responsive to receipt of a request from the remote control device, and a charging station at the vehicle for charging the rechargeable power source of the remote control device.

This application relates to a predistortion circuit for a wireless transmitter and a method for generating a predistorted baseband signal. Specifically, the invention discloses a predistortion circuit for a wireless transmitter, comprising a signal input configured to receive a baseband signal. Furthermore, the predistortion circuit includes a predistorter configured to generate a predistorted baseband signal using the baseband signal and a selection of a first predistorter configuration and a second predistorter configuration.

Systems and methods for use in cloud-based digital vehicle alerting are disclosed. In an example, a device includes a global positioning system (GPS) unit, a wireless transmitter, an input voltage interface, a voltage detector circuit electrically connected to the input voltage interface and configured to detect a voltage at the input voltage interface, and alerting mode logic configured to transition from a non-alerting mode to an alerting mode in response to the voltage detected by the voltage detector circuit exceeding a threshold voltage, and transition from the alerting mode back to the non-alerting mode in response to the voltage detected by the voltage detector circuit not exceeding the threshold voltage for an entire delay interval, where the wireless transmitter is configured to transmit alerting vehicle telemetry data, which includes location information generated by the GPS unit, in response to the alerting mode of the alerting mode logic.

The present invention provides a wireless communication pairing system and a wireless communication pairing method. The wireless communication pairing system comprises a wireless transmitting and receiving device (1) and a peripheral device (2). The peripheral device (2) comprises a control circuit (21) and several wireless communication modules (24, 25, 26), wherein the control circuit (21) is connected to the several wireless communication modules (24, 25, 26).The control circuit (21) is configured to perform the following operations: pairing one of the multiple wireless communication modules (24, 25, 26) with the wireless transmitter and receiver (1); receiving multiple pairing data required for pairing the multiple wireless communication modules (24, 25, 26) from the wireless transmitter and receiver (1) by the paired wireless communication module (24, 25, 26) in response to the completed pairing of the wireless communication module (24, 25, 26) with the wireless transmitter and receiver (1); pairing the unpaired multiple wireless communication modules (24, 25, 26) with the wireless transmitter and receiver (1) based on the multiple pairing data.

This invention belongs to the field of arc heater technology and discloses a testing device and method for testing the arc spot position and rotation speed of an arc heater. During the test, a wireless data acquisition device, powered by a battery, is installed on the high-voltage rear electrode of the arc heater. The wireless data acquisition device is electrically isolated from other components and the ground. Several thermocouples are installed at equal intervals along the axis on the cathode wall of the inner shell of the electrode. The thermocouple wires are connected to the wireless data acquisition device through a cooling channel. After acquiring the temperature value, the wireless data acquisition device transmits it to the wireless AP in the test hall via a wireless transmitter, and then to the industrial control computer. Based on the obtained temperature value, the operator determines the axial coordinate of the arc spot, determines the rotation speed of the arc spot, calculates the heat flux value of the arc spot, and captures motion images of the arc spot. The testing device and method provide data support for the control of the arc spot position and rotation speed of the arc heater, thereby improving electrode lifespan and reducing the operating cost of the arc heater.

1. The name of the design product: wireless transmitter. 2. The use of the design product: signal transmission for wireless products such as wireless microphones. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

Methods and systems for generating physiological metrics for display on a computing device are disclosed herein. In some implementations, an exemplary system comprises a torso wearable device including a wireless transmitter and a sensor, and non-transitory computer-readable media (CRM). The CRM, when executed by a computing device in communication with the wireless transmitter, can perform operations comprising: receiving the input signals representing respiration of the user; displaying a graphical user interface to the user; receiving one or more user inputs associated with a desired metric; displaying on the graphical user interface a first visualization corresponding to the desired metric; and displaying on the graphical user interface a second visualization corresponding to a physiological metric based on the input signals generated from the sensor. The second visualization can change in real time based on real time angular displacement of the sensor in response to the respiration of the user.

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.