49 results about "Wireless transmitter" patented technology

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.

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.

An optical wear sensor (1) for identifying the extent of wear of mining or similar equipment. The sensor (1) includes a probe (5) having one or more optical element (10), a deflector (4), and a transmitter / detector, and a base (6) which includes a processor (81) and wireless transmitter (33). The optical element (1) is provided within a body of a wear part (11) and has a first end and a second end defining a bi-directional optical signal transmission pathway (3). The optical deflector (1) is formed of deflective material and positioned at said second end of said optical element (10) to reflect the optical signal. The optical transmitter (18) / detector (19) is configured to transmit said optical signal from the first end of said optical element (1), and detect whether or not said optical signal is returned via said optical pathway to said first end of said optical element (10). The processor converts any optical signal received by said optical detector to an electrical response signal, and the wireless signal transmitter (33) transmits the electrical response signal indicative of the wear condition of said body (11) to an output device. A plurality of optical elements (10a - 10e), of differing lengths may be provided to identify the depth or extent of wear.

A circuit of wireless charging and a method of charging a battery. The circuit includes: a wireless receiver, configured to receive a charging power transmitted by a wireless transmitter of a wireless charging apparatus through electromagnetic induction; a charge pump circuit configured to receive a boosted input voltage from the voltage output end, and step down the input voltage to an output voltage of the charge pump circuit, to charge a battery; a step-down converter circuit configured to perform the step-down charging on the battery at least in a case that a charging mode is in a constant voltage mode; and a controller configured to select one between the charge pump circuit and the step-down converter circuit as a charging path to charge the battery based on a voltage difference between the input voltage from the voltage output end of the wireless receiver and a charging voltage of the battery.

A smart dining system (100) is disclosed for automatically tracking nutritional intake during buffet-style or self-service dining. The system includes one or more smart serving trays (102) equipped with a weight sensor (104), a processing unit (150), a memory (120) storing nutritional information, and a wireless transmitter (152). When a user removes a portion of food, the tray (102) detects a reduction in weight and determines a corresponding nutritional value. This nutritional value is communicated in real time to a smart plate (110) or user device (160) having a wireless receiver (162), an electronic display (112, 164), and a processing arrangement (166) that updates both per-portion and cumulative nutritional totals. Optional components include a tray identifier (170), a refill detector (174), an indicator element (176), and a smart serving utensil (130) having a utensil-mounted weight sensor (132), plate identification sensor (134), and wireless transmitter (136). A backend dashboard (122) may remotely manage nutritional parameters and log consumption data (184). The system enables seamless, accurate, real-time nutritional tracking without requiring manual input, plate weighing, or interruption to the user's natural serving behavior.

This utility model relates to a crane pulley monitoring device, belonging to the field of crane electrical equipment technology. The technical solution of this utility model is as follows: a pulley detection bracket (8) is installed on the upper part of the pulley (12), and a rechargeable wireless transmitter (1) and a pulley detection proximity switch are installed on the pulley detection bracket (8) through a pulley detection proximity switch bracket; a rechargeable wireless receiver (33), a detection relay (29), an alarm relay (35), and an alarm indicator (36) are connected in sequence, and the rechargeable wireless transmitter (1) is matched with the rechargeable wireless receiver (33). The beneficial effects of this utility model are: it can monitor the rotation of the pulley and the wear of the pulley plates in real time, and can issue a warning signal at the first time to prompt that an inspection and confirmation is needed, so as to avoid sudden damage and jamming, affecting production, causing accidents, and ensuring the safe and stable operation of the equipment.

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 access control system including a system controller and a wireless access point is disclosed. A wireless transmitter of the system controller transmits data over a long-range wireless communication protocol. An access control database defines an access schedule for authorised users at a plurality of access points. The wireless access point includes a wireless receiver to receive data over the wireless communication protocol, and a locally stored schedule data structure, storing a local access schedule for authorised users at the wireless access point. The system controller identifies a change in the access control database, analyses the change to determine whether it affects the local access schedule for the wireless access point, and transmits forward access schedule data to the wireless access point reflecting the change based on necessity. The wireless access point then updates the locally stored access schedule data structure, in accordance with the forward access schedule data.

This product is a wireless mirroring transmitter used to mirror the screen of a smartphone or computer onto a large screen display. This product connects to a smartphone or computer.

Apparatus, methods, and computer-readable media for facilitating distribution matching via reversed compression are disclosed herein. An example method for wireless communication at a wireless transmitter includes decompressing a first sequence of information bits for wireless transmission to output a sequence of shaped symbols. The example method also includes compressing the sequence of shaped symbols to output a second sequence of compressed information bits. The example method also includes transmitting, to a receiver, a signal comprising the sequence of shaped symbols.

This utility model relates to the field of smart home technology, specifically a flame-sensing wireless transmitter. The transmitter includes a device body, a first housing, a control board housed within the first housing, and a flame-sensing component electrically connected to the control board. The control board has a wireless transmission module. The flame-sensing component identifies a flame and transmits an electrical signal to the control board. The wireless transmission module then transmits the electrical signal to the range hood's control system to automatically start and stop the range hood fan. By connecting the flame-sensing component to the control board and installing a wireless transmission module on the control board, the flame-sensing component can identify both flame and no-flame states, generating corresponding electrical signals and transmitting them to the control board. The control board's wireless transmission module then transmits the electrical signals to the range hood's control system, thereby achieving automatic start and stop of the range hood. This improves installation convenience while realizing intelligent control of the range hood.

This utility model discloses a novel wireless transmitter source switching system, comprising a loop control module, a signal output module, a signal detection module, a working indicator module, and a signal input module. The signal output module, signal detection module, working indicator module, and signal input module are electrically connected to the loop control module. A power control module is electrically connected to each of the loop control module, signal output module, signal detection module, and working indicator module, and is powered by AC mains electricity. This utility model relates to the field of automatic source switching for wireless broadcast transmitters, specifically a novel wireless transmitter source switching system.

1. Name of the designed product: wireless transmitter (CS2-W-A). 2. Use of the designed product: for wireless signal transmission. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

This utility model discloses a wireless image transmission optoelectronic gun aiming sight structure, belonging to the field of optoelectronic target aiming sight technology. The structure includes an optical zoom lens, a CCD camera, a wireless transmitter, a central axis tube, positioning rings, positioning springs, and a battery pack. The inner end of the optical zoom lens is connected to the CCD camera, and the wireless transmitter is mounted on one side of the CCD camera. The CCD camera collects the optical signals from the optical zoom lens and transmits them to a processor via the wireless transmitter. The central axis tube is mounted on one side of the wireless transmitter and is coaxially arranged with the optical zoom lens. Multiple positioning rings are fitted onto the central axis tube. The positioning springs are installed inside the positioning grooves of the positioning rings via screws and screw holes. The outer ends of the positioning springs are used for elastic contact with the inner wall of the gun barrel. The battery pack is installed inside the central axis tube. Compared with existing technologies, the positioning rings of this wireless image transmission optoelectronic gun aiming sight structure can quickly position the optical zoom lens on the central axis of the gun barrel, simplifying operation and improving aiming accuracy.

This disclosure provides apparatus, systems, methods, and computer-readable storage media for charging and discharging brake fluid. The apparatus for charging and discharging brake fluid includes: a hydraulic pump configured to supply brake fluid to a vehicle's brake fluid reservoir; a command transmitting unit configured to send a command to the vehicle's hydraulic braking system to pump brake fluid to a bleed screw disposed on the brake fluid circuit; and a wireless transmitter configured to send a wireless control signal to a bleed device connected to the bleed screw to actuate the locking or releasing of the bleed screw. The apparatus, systems, and methods for charging and discharging brake fluid according to this disclosure enable simple and efficient brake fluid charging and discharging operations in vehicles, effectively saving labor and time costs, while standardizing the workflow and providing a user-friendly operation.

1. Name of the product in this design: Wireless Transmitter (002). 2. Purpose of this design: As a wireless transmitter. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A method of managing carrier aggregation for a multi-radio access technology (RAT) wireless transmitter / receiver unit (WTRU) is disclosed. The method may include: receiving, by the WRTU over a primary channel associated with a RAT of a first type, provisioning information for provisioning a supplementary channel associated with a RAT of a second type; establishing the supplementary channel associated with the RAT of the second type based on the received provisioning information; and wirelessly exchanging, by the WRTU, first data associated with a communication over the primary channel via the RAT of the first type, while wireless exchanging second data associated with the communication over the supplementary channel via the RAT of the second type.

Without the need for large weighing devices or sensors inside the tank, a person located far from the tank can identify the fluid volume inside the tank in real time. It includes: deformation measuring sensors (26, 27) disposed on the outer circumference of a cylindrical tank (16) capable of containing a predetermined upper limit volume of fluid; a wireless transmitter capable of wirelessly transmitting information related to the detection values ​​of the deformation measuring sensors; a wireless receiver capable of receiving information related to the detection values ​​of the deformation measuring sensors wirelessly transmitted by the wireless transmitter; and an estimation unit that estimates, based on detection value correlation information including the strain of the tank, which is one of several sizes including zero and the upper limit volume, the strain of the tank being based on the detection values ​​of the deformation measuring sensors received by the wireless receiver.

The invention discloses a wireless transmitter fault analysis method and system oriented to an oil and gas field system. The method comprises the following steps: S1, acquiring historical operation data of a wireless transmitter in the oil and gas field system; s2, determining a fault attribute node of the wireless transmitter; s3, determining a fault response coefficient of the wireless transmitter under the steady-state working condition, determining fault matching information of the wireless transmitter under the steady-state working condition, and further determining a fault offset domain when the working state of the wireless transmitter is transferred; s4, acquiring a fault identification feature of the wireless transmitter under the variable working condition, determining an unbalanced data segment of the wireless transmitter under the variable working condition through the fault identification feature and a compatible adjustment parameter of the wireless transmitter during operation instability, and further obtaining a dynamic compensation amount of the wireless transmitter during fault operation; s5, determining a response trend value when the wireless transmitter breaks down according to the fault offset domain and the dynamic compensation amount; and grading and classifying the faults of the wireless transmitter according to the response trend value.

A method (400) and a system (100) for generating a three-dimensional (3D) map associated with a real-world scene is disclosed. The method (400) includes obtaining CSI data and camera data corresponding to the real-world scene based on capturing the real-world scene via one or more pairs of wireless transmitter-receiver (30) and cameras (40), respectively. The method (400) includes identifying overlapping CSI regions based on the CSI data. The overlapping CSI regions indicate regions where CSI signals received from two pairs of wireless transmitter-receiver (30) overlap. The method (400) further includes identifying objects corresponding to the real-world scene based on the CSI data. Further, the method (400) includes generating a 2D layout associated based on the objects and the overlapping CSI regions. Furthermore, the method (400) includes modifying the 2D layout for generating 3D map associated with the real-world scene.

A wireless transmitter station using a resource unit (RU) or multiple resource unit (MRU) of an Orthogonal Frequency Division Multiplexing (OFDM) or Orthogonal Frequency Division Multiple Access (OFDMA) communication is disclosed. The wireless transmitter station is configured to allocate a first subset of a plurality of tones of the RU or MRU as data tones for carrying modulated data based on the bit sequence and to allocate a second subset of the plurality of tones of the RU or MRU as interference mitigation (IM) pilot tones for carrying a plurality of predefined IM pilot symbols. Moreover, the wireless transmitter station is configured to permute the plurality of tones of the RU or MRU, including both the first subset comprisingNS⁢DIMdata tones and the second subset comprisingNSPIMIM pilot tones, for obtaining a plurality of permuted tones of the RU or MRU.

A system and method for providing an AI-enabled wireless-enabled sex board game having a large language model (LLM) for generating an auditory response to user input signal utilizes a sexual stimulation device having a sex toy elongated body and an inner cavity. The inner cavity encloses a wireless transmitter-receiver, a heating element, a vibration generator, a microphone, a speaker, and an electronic controller circuitry. The electronic controller circuity includes an audio circuitry, a charging circuit, a rechargeable battery, a wireless modem, a data storage device, and a query digital processor. The query digital processor generating an auditory response to user input using an LLM data model.

This invention includes a weapon-mounted camera system with a low-profile front pylon that can be attached to a weapon's Picatinny rail, housing a high-resolution camera and a wireless transmitter. A helmet-mounted display system includes a rear pylon with a receiver and power supply, which is connected via cable to the front pylon containing the high-resolution display. This system allows for real-time image transmission from the weapon to the helmet-mounted display, enhancing situational awareness without obstructing existing sights. The system offers advantages over existing technologies in terms of interchangeability, durability, and non-interference with the primary optical system due to its efficient power management, modular design, and compatibility with various weapon configurations.

A method is provided for operating a wireless communication device located in a vehicle to transmit data indicative of trips made by the vehicle to a remote device via a wireless transmitter. An engine ‘on’ state of the vehicle is determined, and a corresponding first time is stored. A first time window of a first non-zero duration is defined beginning prior to the first time and ending at the first time, and a second time window of a second duration is defined beginning at the first time and ending at a second time. First user input is enabled only during the first and second time windows, via an input device operatively connected to the wireless communication device. A current trip is selectively characterized based on the first user input, or omission thereof, as being of a first or second type. A message is generated, indicating the current type of trip.

This utility model relates to the field of electronic scale technology, and in particular to a high-precision bar scale body. The main supporting beam has a hollow structure, with load cells installed at both ends of the inner cavity of the main supporting beam. A wiring module is installed in the middle of the main supporting beam, and the signal lines of both load cells are connected to the wiring module. A potentiometer is installed on the wiring module to adjust the resistance. Adjusting the potentiometer eliminates the error between the sensors and improves the weighing accuracy. The main supporting body has mounting ears for installing the supporting platform, making installation and use convenient. The load cell lines are centrally connected to the built-in wiring module in the middle, and each bar scale has only one output line, making the structure simpler. In wireless connection applications, a wiring module integrating a microprocessor for digital-to-analog conversion and a wireless transmitter is selected. The signals from the load cells are processed on the wiring module and then directly transmitted to the instrument or other devices that require the weight data through the wireless transmitter, simplifying the structure.

The utility model relates to gas detection technical field, concretely relates to a downhole gas detection and linkage ventilation device to solve the problem that fixed detection equipment is inconvenient to remove, and the coverage is limited, signal transmission and ventilation regulation delay, and the gas concentration whether exceeds the standard usually needs manual judgment, and manually adjusts the problem of ventilator. The utility model discloses that the multi -gas detector body sends the graded control signal to electric push rod after detecting that the harmful gas concentration exceeds the standard, and electric push rod pushes lever one side, and the other side of lever is far from the push plate, makes the sliding of the toothed plate cooperation spring, and the toothed plate drives the rotation of the gear ring, and makes the knob rotation to the multi -gas detector body signal transmission, and spreads the electric signal to the wireless receiver of ventilator side portion through wireless transmitter, and makes electric air door different angle open and close, thereby speeds up the air circulation, dilutes the harmful gas, effectively solves the problem that traditional monitoring and ventilation control are disjointed, and improves the downhole operation safety and intelligent level.

The present invention discloses a signal conversion system and method for wireless sensors, wherein the signal conversion system for wireless sensors comprises a complex programmable logic device (CPLD) chip, a first wheel speed sensor, a second wheel speed sensor, a signal processing module, and a wireless transmitter module. The signal processing module is connected at its input to the first and second wheel speed sensors and at its output to the CPLD chip. The output of the CPLD chip is connected to the wireless transmitter module. The CPLD chip performs a diagnosis based on the wheel speed signals processed by the signal processing module and transmits a diagnostic result to the receiver via the wireless transmitter module.The present invention utilizes a CPLD chip to achieve a flexible, efficient and low-latency system design, thereby solving the problems of low communication rates, complex peripheral circuits and high chip costs associated with automotive specifications.

The sleeping dream system (SDS) disclosed herein comprises an intraoral mechanism (MIB) and a monitoring and control system (SMC) that are associated with a user (U), and an SDS control centre (CSDS) capable of associating two or more users (U). The MIB is a device to be inserted into the oral cavity of the user (U), provided with upper (A) and lower (B) plates that connect to the upper and lower portions of the dental arch of the user (U), in addition to physiological sensors, an inertial movement unit (IMU), and a control logic associated with a wireless transmitter / receiver (1) and a power source (2). Said plates (A) and (B) are articulated by a mandibular movement device (D2M) that is implemented on the lower plate (B) and articulated relative to the upper plate (A).

A wearable wireless tracking device includes a housing and a connector coupled to the housing. The connector is wearable. A microprocessor, a wireless transceiver, a wireless transmitter, and a battery are disposed in the housing. A switch is disposed in the housing to activate the microprocessor, the wireless transceiver, and the wireless transmitter. The switch includes a movable contact selectively movable into engagement with a stationary contact to activate the microprocessor. An activator is attached to the movable contact and designed to be selectively moved out through an orifice in the housing to move the movable contact into engagement with the stationary contact. A pull element is coupled to the activator to be manually grasped to pull the activator and actuate the switch.