2531 results about "Reader writer" patented technology

The present invention provides an active radio frequency identification (RFID) tag and an application system and method thereof. The system includes: a control processor; a coordinator; an active RFID tag, configured to perform an RF feature check first with very little time before spending more time to receive a whole valid data packet during the time period of an interception state; and a reader/writer. Therefore, the power consumption of an active RFID tag is reduced drastically. Further, the present invention also provides an active RFID tag having a plurality of fixed mode actions and the application system and method thereof, thereby improving the communication efficiency of the radio communication system and effectively reducing the probability of signal collision and mutual interference.

The invention provides an order-driven single-piece small-batch combined flow production method for a processing workshop, which has high intellectualization degree and strong practicability. In the method, a manufacturing system of the processing workshop is divided into a planning module, a scheduling module, a system database, an upper RFID reader-writer and an equipment control layer, wherein the planning control module, the scheduling module and an equipment control unit are all realized by Agent (intelligent agent) technology. All the parts of the manufacturing system are connected into a multi-Agent (intelligent agent) manufacturing system through a network and a communication protocol. Under normal conditions, the system carries out machining according to a preset operation working procedure through static scheduling; and when the system is abnormal, the system completes a processing task through dynamic scheduling. Accordingly, staff members can dynamically master production process information in real time. The production method can effectively improve processing efficiency and reduce production cost.

The invention provides a new indoor accurate positioning system based on a RFID technology. The system is shown in a figure 1 and mainly comprises components, such as RFID reader-writers, RFID reference tags, RFID track tags, and the like, and a user can obtain corresponding positioning service by connecting a personal intelligent device to a wireless local area network. The system uses wireless signal intensity as a positioning reference, the tags are communicated with the reader-writers by radio waves, and each reader-writer can read and record the signal intensity of all tags at set intervals. A certain reference tags at known positions are used as reference points, and the signal intensity of the track tags are compared with the signal intensity of the reference tags by the positioning method according to the signal intensity characteristics of the reference points so as to obtain more accurate position information of the track tags.

The invention discloses a workshop production management method and system based on Internet of Things. The management method includes the steps of establishment of an enterprise production and operation management system, on-site acquisition, real time monitoring, productive task tracking, product quality analyzing and production order feeding back. The workshop production management system based on Internet of Things comprises a terminal management server, a receiving computer, a mobile phone with bluetooth or wireless fidelity (WiFi), a ZigBee coordinator, a ZigBee router, a station controller, a radio frequency identification (RFID) reader-writer, an electronic tag and a process displayer. According to the workshop production management method and system based on Internet of Things, workshop site is connected with an upper decision system by the aid of the RFID reader-writer and electronic tag manufacturing execution system (MES), integration and sharing of various data information of workshops can be achieved, thereby, the 'fault' phenomenon caused by incomplete sharing and exchange of enterprise data information in enterprises can be avoided, the management process is simplified, and the management efficiency is increased.

The invention discloses a household cleaning robot capable of establishing a map by self and a cleaning method. The household cleaning robot comprises a casing, a control center arranged in the casing, a power supply module, a storage unit, a camera, a lighting alarm device, an ultrasonic wave sensor, an infrared sensor, a photosensitive sensor, a wireless module and an RFID reader-writer, wherein the ultrasonic wave sensor, the infrared sensor and the photosensitive sensor are respectively connected with the control center, and the wireless module and the RFID reader-writer are connected with the control center. The household cleaning robot further comprises a plurality of RFID labels bonded under the periphery of a wall, wherein the RFID labels are used for recording position coordinate information and are active RFID labels. The cleaning robot can establish the indoor two-dimensional map to achieve the indoor location function and acquire the coordinate points in a room. Walking areas and non-walking areas are marked on the two-dimensional map, so that the cleaning robot can quickly determine a cleaning path and accurately reach a target to be cleaned. To hygienic dead angles which cannot be cleaned, the cleaning robot is manually operated and controlled to automatically store operation and control data. When the hygienic dead angles are cleaned again, the stored operation and control data can be called to clean the target.

The utility model discloses a system and a method for self-help-settlement shopping in supermarkets, which is characterized in that a wireless network connected with a commodity information server is arranged in supermarkets; a gravity sensor is arranged on a shopping cart and the commodity weight on the shopping cart detected is input to a microprocessor; a bar code reader is connected with the microprocessor and the detected commodity bar code information is input; a reader-writer of payment cards reads and writes the information of a payment card inserted by a customer; a touch screen completes man-machine communication of the customer and the self-help-settlement system; the microprocessor is connected with the wireless network through a wireless transceiver and is connected with an electronic brake through a data interface so as to provide braking control signals; a charging power supply provides power for each part; each commodity is self-scanned by a customer when shopping; the amount of the shopping card is deducted and human intervention supervision is not needed with exact identification; the utility model has the advantages that not only the cost of cash desk construction and checkout employee employment for supermarkets is reduced, but also the slowness of settlement speed and queuing jam of customers are avoided; and the benefit of supermarkets is increased.

The present invention discloses a kind of intelligent shelf system and its implementation method. The intelligent shelf system includes shelves, RF recognition electronic labels on the commodities and with relevant commodity information, RF recognizing reader-writer, inducing antenna, information display unit and main control computer. The implementation method of the intelligent shelf system includes the following steps: setting RF recognizing reader-writer, inducing antenna and information display unit on the shelf, connecting the inducing antenna and the information display unit to the main control computer, setting RF recognition electronic labels on the commodities; reading out the commodity information with the RF recognizing reader-writer and the inducing antenna; and showing the commodity information in the information display unit.

The present invention is intended to improve the receiving performance of a loop antenna to be connected to an IC chip that is incorporated in an IC card or a portable cellular phone. A loop antenna that is connected to an IC chip which has a CPU and a memory mounted thereon and which is incorporated in a casing, and that transmits or receives predetermined electromagnetic waves to or from a reader writer includes a main loop antenna and at least one sub-loop antenna disposed away from the main loop antenna. The sub-loop antenna is connected to the IC chip in parallel with or in series with the main loop antenna. A transmission/reception frequency at which the sub-loop antenna transmits or receives electromagnetic waves may be different from the one at which the main loop antenna transmits or receives electromagnetic waves.

There is provided a signal processing apparatus, including a first antenna to perform non-contact communication with a reader writer, a second antenna installed adjacent to the first antenna to perform the non-contact communication with a non-contact communication apparatus, a metal body that is arranged between the first antenna and the second antenna and blocks a magnetic field between the first antenna and the second antenna, an amplification unit that amplifies a carrier wave by using at least external power supplied from an external power supply, a modulation unit that modulates the carrier wave, and a load modulation unit that changes an impedance of the first antenna.

The invention discloses a precise positioning navigation system for indoor vehicles. The system consists of a wireless sensor network (WSN) positioning subsystem, a radio frequency identification (RFID) positioning subsystem and a vehicle trace positioning subsystem and can precisely position and navigate the indoor vehicles. The WSN positioning subsystem comprises a control center, a gateway node, an anchoring node and a moving node; the gateway node, the anchoring node and the moving node form a WSN; the RFID positioning subsystem comprises RFID reader-writers, RFID antennas and passive RFID labels; the passive RFID labels are arranged at equal intervals along an indoor channel; the RFID reader-writer and the RFID antenna are arranged on the vehicles; the vehicle trace positioning subsystem comprises an electronic compass, a photoelectric code disk and a rotating angle sensor; when the vehicles drive in positioning blind areas of the passive RFID labels, the traveling directions, the wheel rotating distances and the rotating angles of the vehicles are measured in real time; traces of the vehicles are calculated, and precise positions of the vehicles can be determined; the precise positions are transmitted to the control center through the moving node of the WSN positioning subsystem; and a vehicle-mounted navigation display module displays the current position and a navigation path in real time.

The invention belongs to the warehouse operation intellectualization technical field, and more specifically relates to a warehouse intelligent operation execution system and method. The warehouse operation execution system based on intelligent objects comprises RFID labels attached to cargos, trays and warehouse goods allocations and used for respectively identifying and storing cargo, tray and goods allocation information; RFID reader-writers arranged at inlets and outlets of fork trucks and warehouses and used for reading information stored in the RFID labels; and a fork truck intelligent terminal rear end system used for performing information interaction with the RFID reader-writers, storing RFID label information read by the RFID reader-writers in a database, distributing storage locations for the trays, and distributing tasks for fork trucks. The warehouse operation execution system and method can manage warehouse cargo incoming and outgoing operation processes, reduce manual intervention and increase work efficiency.

The invention relates to an intelligent warehousing system. The system comprises electronic tags, a reader-writer, an application system and an interconnecting link, wherein the application system consists of the following subsystems: a data management system (1), a warehousing system (2), a trolley-type intelligent stocktake system (3), a warehouse moving system (4) and an ex-warehouse system; the subsystems are connected through the interconnecting link; the data management system (1) is responsible for entering the information of commodities or materials and manufacturing the RFID electronic tags in one-to-one correspondence, and the electronic tags correspond the relevant information of products; and if the information is qualified and accurate, the RFID electronic tags are adhered to (or hung on) the commodities or the materials, and the commodities or the materials are allowed to be put in storage. The intelligent warehousing system can perform the stocktake, ex-warehouse and warehousing of cargos in warehouses in time.

NUMA-aware reader-writer locks may leverage lock cohorting techniques and may support reader re-entrancy. They may implement a delayed sleep mechanism by which a thread that fails to acquire a lock spins briefly, hoping the lock will be released soon, before blocking on the lock (sleeping). The maximum spin time may be based on the time needed to put a thread to sleep and wake it up. If a lock holder is not executing on a processor, an acquiring thread may go to sleep without first spinning. Threads put in a sleep state may be placed on a turnstile sleep queue associated with the lock. When a writer thread that holds the lock exits a critical section protected by the lock, it may wake all sleeping reader threads and one sleeping writer thread. Reader threads may increment and decrement node-local reader counters upon arrival and departure, respectively.

The invention discloses a method for intelligently inspection substation equipment by using a robot, which comprises the following steps: arranging RFID tags at the detection points of power equipment, wherein positioning information is stored in each RFID tag; respectively storing the information corresponding to each RFID tag into an upper control host and a lower control machine on an inspection robot; installing an RFID reader-writer on the inspection robot; and after the detection is started, enabling the lower control machine to control the inspection robot to walk to the detection points of the power equipment along the predetermined paths according to the instruction of the upper control host, thereby recognizing the RFID tags by using the RFID reader-writer and finishing the information acquisition of the power equipment. By combining the RFID technology with the communication technology and the automatic control technology, the method successfully solves the problems of positioning and orientating of the inspection robot in the walking process. The method can ensure that the inspection process is convenient and reliable, the acquired data is accurate and effective, and workers can conveniently monitor the working conditions of the field and the operating conditions of the equipment remotely, thereby realizing the purpose of remotely monitoring remote areas and unattended stations.

The invention discloses a self-service system of the library, comprising a data center and a plurality of self-service terminals. The self-service terminals of the library are connected with the data center of the library; book exhibition mechanisms used for displaying books with information labels as well as books recalling mechanisms are arranged in the self-service terminals of the library. The self-service terminals of the library read the information of the reader cards through information reader-writers, and then transmit the information to the data center of the library or carry out authentications. After the authentications, the self-service terminals of the library output specified books of the readers or get back the returned books of the readers according to the acquired directives from the readers. With the self-service system of the library, the self-service terminals of the library can be flexibly arranged, and the readers can realize self-service borrowing of books, take back reserved books and return books through any of the self-service terminals. Without being limited by time and places, the self-service system of the library has the advantages of convenience, high speed and time and labor-saving.

The invention relates to an active radio frequency identification (RFID) electronic tag and an internet of things system and an internet of things method for managing parking places. In the electronic tag, a power supply unit, an infrared emission unit, an infrared sensing unit, a control unit, a tag storage area and a radio frequency unit are arranged in an external package; in the system and the method, the occupation states of the parking places are sensed in real time by installing the novel active RFID electronic tag in which the infrared sensing unit is embedded at each parking place; the parking place states stored in the tag are acquired to a parking place management system in real time through an RFID reader-writer; and the idle states or the occupation states of the parking places are graphically displayed in a guide indicator. In an inside/outside parking lot, the usage conditions of all the parking places can be accurately mastered by using the system, large-size wired or wireless network deployment is not needed in the parking lot, the information acquisition and the transmission of all parking places can be realized only by arranging a small quantity of RFID readers-writers, so that the engineering quantity and the cost of system implementation are reduced, and convenient, fast and high-quality parking guide service is provided for clients.

An improved reader-writer locking for synchronizing access to shared data. When writing the shared data, a writer flag is set and a lock is acquired on the shared data. The shared data may be accessed following the expiration of a grace period and a determination that there are no data readers accessing the shared data. When reading the shared data, the writer flag is tested that indicates whether a data writer is attempting to access the shared data. If the writer flag is not set, the shared data is accessed using a relatively fast read mechanism. If the writer flag is set, the shared data is accessed using a relatively slow read mechanism.

The invention provides an intelligent electronic label system which uses a highly integrated and low cost wireless micropower single chip transceiver to manufacture an intelligent label and a reader-writer respectively. The intelligent label is in a dormant state for a long time and works for an instant after a periodical revival, the reader-writer seizes the instant after the intelligent label is revived to establish a communication contact with the intelligent label through different modes, thereby realizing control management of a system to the intelligent label and other terminal devices connected with the intelligent label with very low average power consumption. The invention also makes that a common button cell battery is not necessary to replace for a plurality of years through flexible regulations to the dormant cycle of the intelligent label, an operating channel, an operation mode, etc. Meanwhile, the invention also greatly accelerates response speed of the intelligent label. The intelligent electronic label system has a simple structure, a long reading and writing distance, low cost, and flexible and convenient use; therefore, intelligent electronic label system can be used as a wireless electronic vehicle license plate, an identification card, etc., and can be used for control management to vehicles, staffs, materials and other remote terminal equipment.

The invention discloses a RFID (radio frequency identification devices)-assisted subway train position detecting and accurate parking system which can be used for timely correcting the position detection result of the existing rail transit train. The system comprises a vehicle-mounted reader-writer, a radio frequency antenna, a plurality of ground electronic labels, a train information processing unit and a background main system, wherein the vehicle-mounted reader-writer is arranged at the head of a subway train and is connected with the train information processing unit; the radio frequency antenna is arranged at the center of the bottom at the head of the train and is arranged right above the center line of a track; and the ground electronic labels with different spacing distances are arranged on the center line of the track. After the invention is used, the real-time detection of the subway train position and the accurate parking of the train can be realized, the length of a station can be effectively shortened due to an accurate train parking technology, therefore, the investment cost can be saved, the system can be furthest matched with a screen door of a station, so as to convenient for a passenger to get on and off, and meet the trip comfortableness requirement of the passenger.

A wireless identification (RFID) tag, an electronic product PCB having same, and an electronic product management system using the RFID tag. The RFID tag includes an insulating means, a pair of upper terminals provided on the upper surface of the insulating means, a tag chip connected to the upper terminals, and a pair of lower terminals provided on the lower surface of the insulating means so as to face the upper terminals. The lower terminals are connected to first and second patterns of an electronic product PCB. When a radio wave radiated from a reader-writer is received in the first and second patterns, reactive coupling through an electric field is created between the upper and lower terminals, which are then electrically connected to the upper terminals. Since the pattern already formed in the PCB is used as an antenna, there is no need to form a dedicated antenna pattern.

The invention discloses an eliminator of a self-interference signal, which comprises a dephasing attenuation processing module and a signal elimination processing module, wherein the dephasing attenuation processing module receives a first signal from the outside to carry out attenuation and dephasing processing so acquire an estimated self-interference signal, and the signal elimination processing module receives a second signal from the outside and the estimated self-interference signal from the dephasing attenuation processing module and eliminates the estimated self-interfering signal in the second signal. The invention also discloses an elimination method of the self-interference signal, which comprises the following steps: first, the attenuation and dephasing processing is carried out to a sent signal to obtain the estimated self-interference signal; and second, the estimated self-interference signal is eliminated in the received signal. In addition, the invention also discloses an RFID read-write counter. The eliminator of the self-interference signal acquires the estimated self-interference signal and eliminates the estimated self-interference signal by the attenuation and dephasing processing of the sent signal so as to reduce the influence of the self-interference signal on receiving sensitivity.

A road traffic detection system comprises one or more of an RFID reader-writer, a photosensitive sensor, a laser detector, a camera, a weight sensor, an inductance coil, an infrared light curtain, a sound sensor and a temperature sensor. A traffic detection front system is formed by an RFID label which is named as an Eplate and is installed on a vehicle and the above element in the road traffic detection system. Compared to a traditional video analysis traffic information acquisition method, by using the system of the invention, data is accurate; information contents are large; a related information collection ability is strong and a certain intelligent processing and reaction ability is possessed.

The invention discloses an intelligent tool cabinet and relates to intelligent warehouse management systems. The intelligent tool cabinet is composed of a control system, a computer management system, a cabinet body, a touch computer, RFID antennas, audible and visual alarm devices, proximity switches, travel switches, a one-dimension code and two-dimension code scanner, an RFID reader-writer, a control board card, electric control locks, a user account collecting device and the like. A modern automatic control technology and a computer information management technology are integrated, and the intelligent tool cabinet has various management application functions of borrowing and returning record inquiry, report generating, management of authorities of staff, returning reminding, regular checking reminding, configuration analysis and others and can be used for storing various tools or articles, so that unmanned management of tool borrowing and returning is achieved. Information sharing can be achieved between the intelligent tool cabinet and various management systems, reliability is high, the requirement for strictly managing the tools of occasions is met, and the intelligent tool cabinet is widely applied to the fields of aerospace, electric instrument and military instrument management and others.