50 results about "Transceiver" patented technology

A portable assistive listening system for enhancing sound for hearing impaired individuals includes a fully functional hearing aid and a separate handheld digital signal processing (DSP) device. The focus of the present invention is directed to the handheld DSP device. The DSP device includes a programmable digital signal processor, a UWB transceiver for communicating with the hearing aid and/or other wireless audio sources, an LCD display, and a user input device (keypad). The handheld device is user programmable to apply different processing algorithms for processing sound signals received from the hearing aid or other audio source. The handheld device is capable of receiving audio signals from multiple sources, and gives the user control over selection of incoming sources and selective processing of sound. In the context of being user programmable, the digital signal processing device includes a software platform that provides for the ability of the user to select or “plug-in” desired processing algorithms for application to selected incoming audio channels and a communication port for the user to connect to a PC or other device to download preferred processing algorithms. The communication port provides the user with the ability to retrieve desirable processing algorithms from a database of available algorithms and download those algorithms directly into the device for use.

A smart tool holder is for use with a machine tool platform. The smart tool holder includes a body having a first end and an opposite second end, a processor disposed with the body, and a transceiver disposed with the body and in communication with the processor. The transceiver is structured to communicate with an external receiving device. The first end of the body is structured to be coupled to the machine tool platform and the opposite second end is structured to be selectively coupled to a cutting assembly having a number of sensors. The processor is structured to communicate with the number of sensors when the cutting assembly is coupled to the body. The processor may perform data analysis tasks using model based data analysis, digital filtering, and other techniques. The smart tool holder may suggest changes to the machining process based on two-way communication with a machine tool controller through a receiver or interface device.

A portable liquid collection electrostatic collection precipitator for analyzing air is provided which is a relatively small, self-contained device. The device has a tubular collection electrode, a reservoir for a liquid, and a pump. The pump pumps the liquid into the collection electrode such that the liquid flows down the exterior of the collection electrode and is recirculated to the reservoir. An air intake is provided such that air to be analyzed flows through an ionization section to ionize analytes in the air, and then flows near the collection electrode where ionized analytes are collected. A portable power source is connected to the air intake and the collection electrode. Ionizable constituents in the air are ionized, attracted to the collection electrode, and precipitated in the liquid. The precipitator may also have an analyzer for the liquid and may have a transceiver allowing remote operation and data collection.

This invention provides a fault indication technology used to Ethernet optical fiber transceiver. It includes following step: adds the control circuit in the transceiver, the control circuit is used to test and control the working state of Ethernet electrical interface and optical interface. To implement the fault indication, the control circuit connects to the interface circuit of Ethernet through the LINK signal, through connecting SD and TX-DIS with the optical interface circuit of Ethernet, makes real time test to the state of receiving the optical signal in the optical fiber interface and the state of network connection in the RJ45 interface, and reports the working state of the link according to the result of testing. The control circuit implements the report of the fault indication to the remote equipment through controlling the working state of the optical fiber sending circuit.

A wireless device (150) and related method of monitoring or controlling a process includes a housing (200) having a mounting structure (300) for rigidly connecting the wireless device with respect to a solid surface, such as within a processing facility (125). An antenna assembly (250) has a movable connection (e.g., using set screw 310 and channel 425) with the housing (200), wherein the antenna assembly can be moved with respect to the housing (200), and wherein the movable connection maintains a hermetic seal and an explosion-proof flame path of the housing and the antenna assembly. The wireless device (150) can include a transmitter, receiver or a transceiver coupled to the antenna assembly (250), wherein the wireless device (150) is operable to wirelessly transmit using the antenna assembly to a remote receiver or receive information from a remotely located transmitter.

A deployable monitoring device is provided comprising a self-righting housing and a video capturing device. The housing has a base and an opposed end disposed along an axis, with a center of gravity disposed about the base, and is self-righting along the axis. The housing, when righted, is supported by the base. The video capturing device captures video data of an external scene. At least one stabilizer device is operably engaged with the housing about the base. Each stabilizer device extends radially outward of the base and substantially axially along an outer surface thereof, and is configured to stop rotation of the housing about the axis before the housing is righted, following deployment of the housing. The video data can be transmitted by a transceiver module to a station remotely disposed from the housing, to provide a remote visual depiction of the scene. An associated method is also provided.

A return path system includes inserting RF packets between regular upstream data packets, where the data packets are generated by communication devices such as a computer or internet telephone. The RF packets can be derived from analog RF signals that are produced by legacy video service terminals. In this way, the present invention can provide an RF return path for legacy terminals that shares a return path for regular data packets in an optical network architecture. The invention operates independently of a legacy upstream transmission timing scheme so that the legacy upstream transmission timing scheme can remain effective in preventing data collisions. In other embodiments, the present invention allows for less complex hardware for subscribers that are not taking data services. Further, an optical signal present line in combination with a driver may be employed in order to reduce the amount of hardware in a laser transceiver node.

A method and apparatus are disclosed for reducing cross-talk in an unbalanced channel with a reduced number of redundancies. A cross-talk canceller is disclosed that uses a multi-dimensional finite impulse response (FIR) filter to process a received signal. Redundancies are reduced or even removed entirely by processing the signals received on each twisted pair in a vector form, using multi-dimensional finite impulse response filters. The signals received by a transceiver on each twisted pair are represented in a vector form so that the signals received on each twisted pair, and the cross-talk effect that each signal has on one another, can be performed collectively. A multi-dimensional cross-talk canceller processes a vector representation of the corresponding signals transmitted by the transceiver on each twisted pair. An adder sums the equalized vector representation of the signals received by the transceiver and the processed vector representation of the signals transmitted by the transceiver to generate an estimate of the received signal on each twisted pair.

The invention discloses a wireless networking constant humidity machine used in a display case, which comprises a case body; a blower, a refrigeration compressor, an electrical heater and a humidifying water tank are arranged in the case body and are controlled by a microprocessor. An evaporator of the refrigeration compressor and a heating pipe of the electrical heater are respectively arranged in the humidifying water tank. An air outlet of the blower is communicated with a reverse percolating filter in the humidifying water tank by a pipeline. An interface of the microprocessor is respectively connected with a sensor arranged in the display case and a wireless transceiver which realizes communication with a host computer. The air outlet of the humidifying water tank is communicated with each display case inner cavity by the pipeline and a pressure reducing valve. The wireless networking constant humidity machine has the beneficial effects as follows: 1. the wireless networking constant humidity machine satisfies the differentiation requirements of different culture relics on temperature and humidity; 2. the wireless networking constant humidity machine supplies a gap of a central air conditioner in the humidity control ability; and 3. the wireless networking constant humidity machine leaves out the daily work for inspecting the temperature and the humidity in each display case and realizes the all-weather real-time monitoring on environmental index condition of all display cases in offices.

The invention relates to a low-voltage electrical appliance communication protocol adapter which comprises double single chips, double Modbus-RTU protocol converting circuits, a Profibus-DP, a DeviceNet protocol converting circuit, an off chip data memory, an LCD (liquid crystal display) screen and a keyboard, wherein on chip universal asynchronous receiver-transmitters of the double single chips are respectively connected with the Modbus-RTU and an RS485 level converting transceiver circuit; an on chip control local area network is respectively connected with double DeviceNet converting transceiver circuits to finish acquiring low-voltage electrical appliance data and responding to bus commands and events; meanwhile, I2C communication modules of the single chips are connected with the off chip data memory based on I2C to finish storing the data and extracting processed low-voltage electrical appliance parameters. Due to the adoption of double processor operations and a caching technology, technical schemes such as response time, and the like when other adapters are operated are reduced so as to ensure that the low-voltage electrical appliance communication protocol adapter becomes a centralized controller, a small network server and an adapter. The adapter can hang at most three buses, thereby increasing the adaptability of low-voltage electrical appliances during networking and facilitating users mounting.

The present invention discloses a system and method by which radio transceiver equipment may be coupled to antenna equipment polarized in either of two orthogonal polarizations without requiring any adaptation or additional componentry while providing the same signal path attributes irrespective of the polarization chosen. Accordingly, a single transceiver/antenna unit may be utilized for providing communications polarized vertically, or slant right, and polarized horizontally, or slant left.

The invention provides an optical transceiver module which comprises optical fiber and an optical fiber locating structure fixing the optical fiber. The optical fiber locating structure comprises a first locating part fixing the optical fiber, and a first supporting part fixing the first locating part to a shell. The first locating part comprises a first end face, a second end face and a first through hole, wherein the first end face and the second end face are arranged oppositely, and the through hole is used for being communicated with the first end face and the second end face. The aperture of the first through hole is equal to the diameter of the optical fiber. The optical fiber is fixed into the first through hole. The first supporting part is provided with a containing part containing the first locating part. The first locating part is fixed to the containing part. Compared with the prior art, the optical transceiver module comprises the optical fiber locating structure which is more reasonable, and the optical fiber can be located more accurately in the optical transceiver module; furthermore, the stability of transmission of the light path in the optical transceiver module with the optical fiber locating structure is improved.

A pluggable optical transceiver, which is to be engaged with a rail prepared in the host system, is disclosed. The optical transceiver includes a housing that encloses optical and electrical components therein, a fastening screw that screws that engages the optical transceiver with the rail, and an actuator, which moves synchronously with the rotation of the fastening screw, protrudes from the side of the housing to be latched with the rail.

A system is provided for wirelessly locating objects. The system has a transceiver unit with an antenna array of two partially overlapping coils, which is used in combination with a passive electromagnetic reflector to track or locate the objects. The system is tuned to reflect and receive higher order harmonics of a transmitted signal frequency. The system is reliable in a highly reflective environment with no placement error detection due to reflections. A relatively large distance can be bridged with a minimum power and a small sensitive area to detect the coils, which increase the accuracy to determine the location of the electromagnetic reflector.

The invention discloses an explosive information collector which comprises a microprocessor, a wireless communication transceiver, an electronic tag, a timer, a GPS locator and a liquid crystal display screen, wherein the output end of the timer is connected with the input end of the microprocessor, the output end of the electronic tag is connected with the input end of the microprocessor, the output end of the GPS locator is connected with the input end of the microprocessor, the input end of the liquid crystal display screen is connected with the output end of the microprocessor, and the wireless communication transceiver is connected with the microprocessor. With the explosive information collector, explosives can be effectively supervised, explosives can be prevented from flowing into the society to jeopardize public security and personal safety due to poor supervision, and adverse consequences caused by misoperation due to poor communication can be avoided.

The invention relates to a cross-domain on-site debugging system and method based on the Internet of Things, and the system comprises an energy efficiency monitoring terminal which is provided with afirst wireless transceiver; a portable man-machine interaction equipment which is used for configuring system parameters, sending a measurement calling command and visually displaying and outputting ameasurement calling result, wherein the portable man-machine interaction equipment is provided with a second wireless transceiver, and the energy efficiency monitoring terminal and the portable man-machine interaction equipment are in data communication through the first wireless transceiver and the second wireless transceiver; the communication manager performs data interaction with the portableman-machine interaction equipment through a USB interface, and the communication manager is provided with an LORA module; and a remote data platform. According to the invention, on-site personnel canmaster the wiring condition in real time, cross-domain debugging is carried out based on the Internet of Things, data intercommunication among the remote data platform, the portable man-machine interaction equipment and the energy efficiency monitoring terminal is realized, and the efficiency of the whole installation and new process of the platform is improved.

A multi-operating system device, notification device, corresponding methods, a computer program, and a computer program product are disclosed. The multi-operating system device (100) comprises: a processor (102), a transceiver (104), and an output device (106); wherein the processor (102) is configured to host a first operating system (OS1) in the foreground and simultaneously host a second operating system (OS2) in the background, or vice versa; wherein the output device (106) is configured to be controlled by an operating system hosted in the foreground; wherein the transceiver (104) is configured to receive a first signal S1 from a notification device (300) over a communication system (500), the first signal S1 indicating a notification associated to the second operating system (OS2) hosted in the background; wherein the output device (106) further is configured to output the notification associated to the second operating system (OS2) hosted in the background when the first operating system (OS1) is hosted in the foreground.

The invention discloses an electric vehicle emergency rescue method, which comprises a server provided with a first wireless transceiver, a plurality of charging stations, a sub-server provided in each charging station and a plurality of unmanned aerial vehicles. The servers are electrically connected to each of the sub-servers, Each electric vehicle includes an on-board processor, GPS positioner,battery management chip, An alarm and a second wireless transceiver are respectively electrically connected with a GPS positioner, an alarm, a battery management chip and a second wireless transceiver by an on-board processor, and each unmanned aircraft comprises a controller, a lifting device, a camera and a third wireless transceiver, and the controller is respectively electrically connected with the lifting device, the camera and the third wireless transceiver. The invention has the characteristics that the management cost can be effectively reduced and the economic benefit can be improved.

The invention provides a novel and intelligent Bluetooth-WIFI integrated module. The novel and intelligent Bluetooth-WIFI integrated module comprises an antenna, a switch switching unit, an impedance matching circuit, a power amplification and filtering unit, a transceiver, a first AD/DA conversion circuit, a band-pass filter, a balance converter, a second AD/DA conversion circuit, a controller, a register and a data interface. An input end of the antenna is connected with an output end of the switch switching unit. The switch switching unit is connected with the impedance matching circuit and the band-pass filter. The impedance matching circuit is connected with the power amplification and filtering unit. The power amplification and filtering unit is connected with the transceiver. The transceiver is connected with the first AD/DA conversion circuit. The band-pass filter is connected with the balance converter. The balance converter is connected with the second AD/DA conversion circuit. The controller is connected with the second AD/DA conversion circuit, the first AD/DA conversion circuit, the register and the data interface.

The invention provides a circuit for automatically detecting RS485 communication failure, which comprises a master device and a slave device. The circuit of the master device comprises a first microprocessor, a first RS485 transceiver circuit and a second RS485 transceiver circuit. The first RS485 transceiver circuit is connected with the first microprocessor and is provided with external RS485 communication ports A1 and B1. The second RS485 transceiver circuit is connected with the first microprocessor and provided with external RS485 communication ports A2 and B2. The two groups of RS485 communication ports A1, B1 and A2, B2 outside the main equipment have independent data transmitting and receiving functions. The circuit of the slave device comprises a second microprocessor, a third RS485 transceiver circuit, an RS485 receiving circuit and a switching circuit. The external RS485 communication ports A3 and B3 of the third RS485 transceiver circuit are connected with the switching circuit; the external RS485 communication ports A4 and B4 of the RS485 receiving circuit are connected with the switching circuit; a switch circuit controlled by a second microprocessor. The invention can detect the fault in the RS485 line of the access control system in a short time.