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Rfid Tags patents



      
           
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Date/App# patent app List of recent Rfid Tags-related patents
04/17/14
20140104042
 Systems and methods to determine motion parameters using rfid tags patent thumbnailnew patent Systems and methods to determine motion parameters using rfid tags
Systems and methods to determine motion parameters of physical objects using radio frequency identification (rfid) tags attached to the objects. In one embodiment, a method implemented in a radio frequency identification (rfid) system includes determining a motion parameter of the rfid tag based on detecting a doppler frequency shift in a radio frequency signal received from the rfid tag..
04/17/14
20140104036
 Concepts for asset identification patent thumbnailnew patent Concepts for asset identification
Systems, methods, apparatus, and computer program products are provided for identifying assets (e.g., mobile assets and/or personnel assets). In one embodiment, a mobile asset can be uniquely identified from rfid tags.
04/17/14
20140104035
 Concepts for asset identification patent thumbnailnew patent Concepts for asset identification
Systems, methods, apparatus, and computer program products are provided for identifying assets (e.g., mobile assets and/or personnel assets). In one embodiment, a mobile asset can be uniquely identified from rfid tags.
04/17/14
20140103120
 Methods for manufacturing a radio frequency identification tag without aligning the chip  and  antenna patent thumbnailnew patent Methods for manufacturing a radio frequency identification tag without aligning the chip and antenna
An apparatus and method for attaching antennae to rfid tags is disclosed. Included is the use of rfid tags having a symmetrical interconnect system for attaching one or more antennae, such that virtually any rotational orientation of the rfid tag will result in a successful antennae attachment.
04/17/14
20140103119
 Systems and methods for breakaway rfid tags patent thumbnailnew patent Systems and methods for breakaway rfid tags
A breakaway rfid tag is configured such that it comprises part of a printed circuit board assembly (pcb). Thus, the breakaway rfid tag can be used to track the pcb as it migrates through a manufacturing process.
04/10/14
20140097254
 Excess radio-frequency (rf) power storage and power sharing rf indentification (rfid) tags, and related connection systems and methods patent thumbnailExcess radio-frequency (rf) power storage and power sharing rf indentification (rfid) tags, and related connection systems and methods
Excess radio-frequency (rf) power storage and power sharing rf identification (rfid) tags, and related rfid tag connection systems and methods are disclosed. The excess rf power storage and power sharing rfid tags and related rfid tag connection systems and methods in embodiments disclosed herein allow connected rfid tags to store excess energy derived from excess received rf power in a shared energy storage device.
04/03/14
20140091138
 Rfid system patent thumbnailRfid system
The present invention provides an automated system for asset tracking and management and utilizes near field radio frequency identification (rfid) technology. Rfid tags are attached to the assets via a flexible mounting system, and rfid antennas (and corresponding readers) are strategically located in close proximity to read the tags.
03/27/14
20140085962
 Systems and methods for reading ferroelectric memories patent thumbnailSystems and methods for reading ferroelectric memories
A system and method are provided for reading ferroelectric memories in a manner that does away with a conventional requirement for inclusion of a charge or sense amplifier associated with each ferroelectric memory cell. Simple circuits are employed for modulating an ac signal that is generated and input, including wirelessly, to the circuits where a capacitance of a ferroelectric capacitor acts as a filter.
03/27/14
20140085052
 Modular rfid tag scanner for a product storage system patent thumbnailModular rfid tag scanner for a product storage system
A modular rfid tag scanner includes a control unit and multiple signal distribution units. The signal distribution units include multiple antennas within a single housing.
03/20/14
20140077934
 Method for monitoring the functioning of an rfid-based radio communication network in a spatially extensive area patent thumbnailMethod for monitoring the functioning of an rfid-based radio communication network in a spatially extensive area
A method for monitoring the functioning of an rfid-based radio communication network in a spatially extensive area, wherein a plurality of rfid tags carry out a radio communication with a reader, wherein in the area of coverage of the rfid system at least one fixed reference rfid tag is arranged that carries out a periodic radio communication with a reader and the data from which is compared in a control center with previously transmitted data.. .
03/20/14
20140077509
Pallet and crate seal and method for securing a pallet or crate
Method and apparatus for securing a pallet, crate, or similar shipping containers against pilferage is disclosed. This seals is from now on referred to as a pallet seal.
03/20/14
20140076972
Array antenna system and algorithm applicable to rfid readers
Embodiments of the invention pertain to radio frequency identification (rfid) method and system using an antenna array, an array controller, and control algorithms. Embodiments of the invention can induce strong radio-frequency (rf) excitation, for a given level of radiated rf power, at any point within an arbitrary inhomogeneous medium.
03/13/14
20140074667
System and method for inventory control of mobile assets
A radio-frequency identification (“rfid”)-based asset tracking system uses a mobile rfid reader to move among stationary assets and communicate with rfid tags attached to the assets. The mobile rfid reader has means for estimating its own location, so the location of a tagged asset can also be estimated by reference to the rfid reader's location when the rfid tag was seen.
03/13/14
20140073883
Electronic skin patch for real time monitoring of cardiac activity and personal health management
A novel wearable electronic skin patch sensor device configured for the real time acquisition, processing and communicating of cardiac activity and other types of biological information within a wired or wireless network is disclosed. A system level scheme for networking the sensor device with client devices that include intelligent personal health management appliances, cellular telephones, pdas, portable computers, personal computers, rfid tags and servers is disclosed.
03/13/14
20140073382
Method and apparatus for associating rfid tags with participants in sporting events
An embodiment of the present invention is a technique for timing participants in sporting events with rfid tags. Rfid tags have read and writable memory that is loaded with race numbers or an encoding of it.
03/06/14
20140061303
Session flag control for rfid tags
Various exemplary embodiments relate to an integrated circuit (ic) including: an inventoried flag configured to indicate whether the integrated circuit has been inventoried in a current inventory round; and an event detector configured to detect a tag event at the integrated circuit and reset the inventoried flag based on the tag event. In various embodiments, the ic further includes a timer circuit configured to measure a predetermined time since the inventoried flag was set and to prevent the reset of the inventoried flag until the predetermined time has expired..
03/06/14
20140061297
Component identification and tracking system for telecommunication networks
Identification elements (e.g., tracking elements, tracing elements, locating elements, etc.) (22a, 100) are provided on various communication components (20, 24, 26, 28, 30, 32, 34, 35, 36, 40, 42, 48, 49, 60, 62, 64, 120) provided within a communication network such as a fiber optic network or a copper network. Fiber optic hubs 20 can be identified and/or managed.
02/27/14
20140057646
Index of everyday life
A mobile phone connected to a fleet of radio transceiver chips that can be individually identified by the mobile station, which automatically are associated with a photo when the phone camera is used in proximity. The transceiver chips have a small loudspeaker, vibrator and/or light emitter for producing an alarm, and the transceiver chip also can determine and send back its location to the mobile phone.
02/27/14
20140057609
Index of everyday life
A mobile phone connected to a fleet of radio transceiver chips that can be individually identified by the mobile station, which automatically are associated with a photo when the phone camera is used in proximity. The transceiver chips have a small loudspeaker, vibrator and/or light emitter for producing an alarm, and the transceiver chip also can determine and send back its location to the mobile phone.
02/27/14
20140054379
Pluggable small form-factor uhf rfid reader
Systems and methods for reading radio frequency identified (rfid) tags. In an embodiment, an enclosure having, within it, an antenna and processor is provided.
02/27/14
20140053462
Rfid-based plant tracking and data management system for a greenhouse
A system and method of tracking the position and status of plants or plant parts in a greenhouse or other growing area using identification tags such as rfid tags is disclosed.. .
02/20/14
20140049390
Telenostics point of performance pre-operations condition capture system
For fleet maintenance a point of performance pre-operations condition capture system includes the use of rfid tags and associated sensors positioned at various vehicle locations to sense operating conditions at the vehicle, with the pre-operations condition provided by a scanner that scans the rfid tags for ascertaining the identity of a sensor and the sensed operational state, such that pre-operations condition can be ascertained and verified due to the rfid tag scanning.. .
02/20/14
20140049379
Multiplexing radio frequency signals
The present disclosure is directed to a system and method for multiplexing radio frequency signals. In some implementations, a system includes a host coupling module, a plurality of antennas, and a processing module.
02/20/14
20140049377
Rfid-based sensing of changed condition
Rfid-based sensors, rfid readers and software sense a changed condition. In one embodiment, an rfid-based sensor includes a base that may be placed at a location where a condition may change.
02/13/14
20140042225
Systems, methods and apparatus of a secure rfid record
Systems, methods and apparatus of a secure rfid record are described herein. In one aspect, an apparatus of a rfid wristband comprises three layers: the top layer is a wristband, the middle layer is one rfid tag comprising one rfid chip and one tag antenna covering the wide area of the wristband, the bottom layer is made by anti-irritation materials.
02/06/14
20140037944
Covalent organic framework films, and methods of making and uses of same
Multilayer structures comprising a covalent organic framework (cof) film in contact with a polyaromatic carbon (pac) film. The multilayer structures can be made by combining precursor compounds in the presence of a pac film.
02/06/14
20140035734
Rfid tag writing sytem and method for writing data in rfid tag
An rfid tag writing system has an antenna configured to transmit a write signal towards plural rfid tags and receive response signals generated by the rfid tags in response to the write signal, and a controller configured to control the antenna. The controller includes a mode setting unit configured to set a mode of the rfid writing system as either a manual mode or an auto mode, a manual setting unit configured to allow a user of the rfid tag writing system to determine a receiving condition according to which the response signals are to be processed or a writing condition according to which the write signal is to be transmitted to the rfid tags, if the manual mode is set by the mode setting unit, and an auto setting unit configured to determine the receiving condition or the writing condition if the auto mode is set by the mode setting unit..
02/06/14
20140035733
Rfid tag writing system and method for writing rfid tag data
According to one embodiment, a rfid tag writing system has a conveying unit configured to convey a plurality of rfid tags, an antenna configured to transmit a first write signal towards the rfid tags and receive return signals generated by the rfid tags in response to the first write signal, and a controller configured to determine an intensity of a second write signal to be transmitted by the antenna based on intensities of the return signals.. .
02/06/14
20140035731
Method and apparatus for improving reception of an rfid tag response
A method and apparatus for improving reception of responsive rfid signals is provided. The method includes transmitting a plurality of interrogation signals each having a different polarization to activate one or more rfid tags.
02/06/14
20140035730
Method for electronic tracking of units associated with a batch
A batch comprises separate units of objects that are physically joined together. Rfid tags are attached to each of the units and to the batch.
01/30/14
20140028447
System and method of tracking vehicles within a parking lot using rfid tags
A system and method of tracking vehicles stored within a parking lot using rfid tags is disclosed. The method includes creating a record of a vehicle, where the record includes information associated with the vehicle.
01/30/14
20140027511
Apparatus and method for scanning rfid-tagged items in an enclosure
An apparatus and method for reading rfid tags utilizing a structure with an inner surface and an outer surface and a lateral input opening and a lateral output opening. In the structure, an rfid scanner mounted on the inner surface.
01/16/14
20140015642
Communicating with rfid tags on masked containers
An rfid reader communicates with an rfid tag of a masked container in a container group. A power-supply antenna and a link antenna of the rfid reader are spaced apart from the container group, the antennas oriented to transmit signals to a power-supply subset and a data subset, respectively, of the plurality of containers.
01/09/14
20140009292
System and method for monitoring hospital workflow compliance with a hand hygiene network
A system and method for monitoring compliance with a plurality of workflow procedures in a hospital or other health care facility using a hand hygiene compliance system (hhc). A control unit of an hhc gathers data based on the presence, identification, and movement of a plurality of assets, including persons, equipment, or supplies, each having wearable detectable tags, such as rfid tags, and communicates that data to a local or remote server.
01/09/14
20140009291
System and user interface for finding multiple items using radio-frequency identification
Methods and systems for utilizing rfid tagging to create and identify sets of items are provided. An application running on a computer system causes to be displayed on a display of the computer system a list of pre-established sets of items.
01/02/14
20140001258
Item scanning in a shopping cart
A method for item scanning in a shopping cart includes detecting a change in a weight of one or more items within a shopping cart. The weight is sensed by a weight sensor disposed in the shopping cart.
12/26/13
20130341413
Indicator device
An indicator device comprises a first slide member (22) mounted on a planar base (1). The first slide member (22) is displaceable between a first position in which it reveals a first status indicating area (26) indicative of a first condition or state and a second position in which it reveals a second status indicating area (28) indicative of a second condition or state.
12/19/13
20130339221
Method and system for the automated management of objects provided with rfid tags
A system implementing such a method is also provided.. .
12/19/13
20130335202
Serialization of rfid tags
Various exemplary embodiments relate to a method performed by an rfid tag, the method including: receiving a request for a epc serial number; determining whether the epc serial number has a preset value; when the epc serial number has the preset value, mapping a transponder id to the epc serial number; and providing the epc serial number in response to the rfid read request.. .
12/12/13
20130332018
Road guidance system for visually impaired
A road guidance system for the blind. A plurality of rfid tags 10 are buried inside a pedestrian pavement 100 with information of said pavement 100 contained therein, along the pavement.
12/05/13
20130321131
System and method for quality control, inspection and audit of utility assets
Method for capturing, organizing and retrieving data for utility assets using rfid tags, including: storing data related to a plurality of utility assets in a database, wherein the stored data include data about type of the utility asset; repair, documentation, testing validation, and inspection of the utility asset; programming a plurality of rfid tags for placement on a utility asset, by one or more processors; placing the programmed rfid tags on the utility asset; linking stored data related to the utility asset with the programmed data for the placed rfid tags, including location data of the placed rfid tags; and querying one or more of the placed rfid tags to retrieve data about the utility asset including data about the location of the utility asset, the specific segment and the specific joint, the type of the utility asset; repair, documentation, testing validation, and inspection of the utility asset, by one or more processors.. .
12/05/13
20130320079
Anti-counterfeiting methods
The present invention relates to the field of product authentication and anti-counterfeiting techniques, and more specifically, to techniques employing rfid tags and encryption technologies. Embodiments of the present invention illustrate the use of rfid tags having encrypted information stored therein which upon decryption by a down-stream entity or an end user can help determine the authenticity of a product.
11/28/13
20130314534
Container-classification identification using directional-antenna rfid
A classification of a container is identified using a mobile station including an image capture device and an rfid reader having a reader antenna. The container has two rfid tags affixed thereto at respective, different locations.
11/28/13
20130314505
System and process for detecting, tracking and counting human objects of interest
A system is disclosed that includes: at least one image capturing device at the entrance to obtain images; a reader device; and a processor for extracting objects of interest from the images and generating tracks for each object of interest, and for matching objects of interest with objects associated with rfid tags, and for counting the number of objects of interest associated with, and not associated with, particular rfid tags.. .
11/28/13
20130314242
Energy storage management system with distributed wireless sensors
An energy storage system having a multiple different types of energy storage and conversion devices. Each device is equipped with one or more sensors and rfid tags to communicate sensor information wirelessly to a central electronic management system, which is used to control the operation of each device.
11/28/13
20130314217
Verifying identification of fluid supplied through hose
A method of verifying the identification of fluid to be supplied through an rfid-tagged fluid-supply hose adapted to connect to a movable, rfid-tagged fluid container includes providing an rfid reading unit including an antenna, so that the respective rfid tags of the container and the hose are within a range of the antenna. The rfid tag of the container is read using the rfid reading unit to determine an identification code of the container.
11/28/13
20130314212
Rfid marking of units in a space
Non-rfid-active units in a space are marked by affixing rfid tags. Two tags are affixed to each unit, each tag having a directional antenna.
11/28/13
20130314211
Container-type identification using directional-antenna rfid
Rfid tags are read using an rfid reader. A non-rfid-active object has two rfid tags affixed thereto at respective, different tag locations.
11/28/13
20130314209
Identifying fluid supplied through hose
Apparatus for identifying fluid to be supplied through an rfid-tagged fluid-supply hose. The hose connects to one of several movable, rfid-tagged fluid containers.
11/28/13
20130313328
Shielded cavity backed slot decoupled rfid tags
A shielded decoupled rfid tag having a three dimensional cavity formed by conductive material walls and at least one slot in a conductive material wall that creates a main passage for rf communication signals at the operating frequency of the rfid tag to pass into and/or out of the three dimensional cavity.. .
11/21/13
20130306723
Physical layer management (plm) system for use with an optical distribution frame in which trays can be selectively removed and re-attached
One embodiment is directed to a subrack comprising a backplate and at least one tray configured so that a plurality of connections can be made at a plurality of positions on the tray. Each of the plurality of connections involves at least one connector having information stored in a device associated therewith that can be read.
11/14/13
20130300585
Method for determining the sequence of vehicle tagged with and without rfid
A method for determining the sequence of vehicle tagged with and without an rfid, comprises: f1. Carrying out multiple receiving and transmitting communications with an rfid tag in a read-write region by using an rfid reader-writer, recording success and failure operations; f2.
11/14/13
20130300544
Method and apparatus for wireless management of articles
The present invention is directed to method and apparatus for wireless management of articles. The method is implemented by a master rfid tag.
11/14/13
20130300542
Laser detection enhanced rfid tag reading event timing system and method
Systems and methods for determining a time of a passing a detection line on a route by a participant having an rfid tag on the participant or an object associated with the participant, traveling along the route, the system includes a timing system an rfid tag reader system for wirelessly communicating with the rfid tag for communicating with rfid tags at one or more monitored points passed by the participant as the participant approaches the detection line, a tag reader system receives tag reads including a tag identifier for the rfid tags, time stamps each rfid tag read, and transmits them to the timing system, a laser detector detects a laser beam interrupt and generates a laser beam interrupt indicator, a laser detection system receives the generated laser beam interrupt indicator, and determines a beam interrupt time, and creates a laser beam interrupt message including the beam interrupt time, the timing system receives the tag read messages and the laser beam interrupt messages, determines the identity of the participant from the tag identifier, associates the laser beam interrupt message with the determined tag identifier, and stores the beam interrupt time as the time of detecting the passing of the participant at the detection line associated with the determined tag identifier.. .
11/14/13
20130300540
Subset selection of rfid tags using light
Methods and apparatuses for selecting a subset of rfid tags are provided in some embodiments. These methods and apparatuses utilize the susceptibility to light by persistent nodes found in passive tags.
11/14/13
20130300539
Radio-frequency identification (rfid) tag-to-tag autoconnect discovery, and related methods, circuits, and systems
Methods, circuits, and systems are disclosed for automatically detecting connections between rfid tags. In one embodiment, a method is provided that includes periodically placing a charge on a node shared between a first rfid tag and a second rfid tag.
11/14/13
20130298459
System and method for automating crop associated selection of spectral agricultural lighting programs
The system of the indention is applied to sunless enclosed spaces suitable for agricultural use. A growing zone is seeded with a particular crop variety.
11/07/13
20130293707
Systems and methods for allowing users to read electronic books from pages last viewed in corresponding physical books
A dual book management system and method are provided for synchronizing physical books in a bookshelf, to electronic books (“ebooks”) in an electronic bookshelf (“ebookshelf”). The system generally employs radio frequency identification (“rfid”) technology to electronically detect positions of books of the physical bookshelf, as well as last viewed pages of each individual book.
11/07/13
20130293356
Inspection method and inspection device for rfid tag
An rfid tag inspection method includes the steps of transmitting a measurement signal from a reader/writer simultaneously to a plurality of rfid tags arrayed on a collective base member and configured to process radio signals, receiving response waves from the individual rfid tags in a batch by the reader/writer, and determining, based on strengths and a number of received signals read by the reader/writer, whether or not the individual rfid tags are acceptable. Thus, acceptance/rejection inspection can be performed on the plural rfid tags, which are arrayed on the collective base member, in a batch..
11/07/13
20130293355
System and method for tracking shopping behavior
A system and method are provided for tracking an interrogator relay unit (iru) associated with a mobile asset within a structure, comprising: integrating one or more rfid tags within building materials within the structure; emitting an rf interrogation signal using the iru; receiving, at the iru, location data from one or more rfid tags in response to the rf interrogation signal; and transmitting the location data, an identification information of the iru, and timestamp data to a remote server using the iru.. .
11/07/13
20130293352
Dynamic scan context determination for asset reconciliation
Asset reconciliation is facilitated by dynamically determining and applying a scan context to asset-describing tag data. Tag data representative of assets are received from rfid tags.
10/31/13
20130285829
Rugged rfid tags
A rugged uhf rfid tag comprising a uhf rfid tag, an overmolded cap, and a base, wherein the uhf rfid tag is secured to a top portion of the base and wherein the overmolded cap encapsulates the uhf rfid tag and the top portion of the base and associated methods.. .
10/24/13
20130282644
Sensor based truth maintenance
A truth maintenance method and system. The method includes receiving by a computer processor from rfid tags embedded in sensors, event data associated with events detected by said sensors.
10/24/13
20130278425
Point of sale (pos) based checkout system supporting a customer-transparent two-factor authentication process during product checkout operations
A checkout system is provided for carrying out a two-factor authentication process where coded products are purchased and theft activity might be pursued. The system typically includes an identification code reader for reading product identification codes (e.g.
10/24/13
20130278393
Portable encoded information reading terminal configured to locate groups of rfid tags
A portable radio-frequency identifier (rfid) reading terminal can comprise a microprocessor, a memory, an rfid reading device, and a display. The portable eir terminal can be configured, responsive to successfully reading a plurality of rfid tags attached to a plurality of items sustained by a physical structure, to group the plurality of read rfid tags into zero or more clusters, by correlating quantities of rfid tags read within several time periods to spatial positions of the coverage shapes of the rf signals transmitted by the rfid reading device during the several time periods.
10/24/13
20130278390
Systems and methods for object localization and path identification based on rfid sensing
A networked radio frequency identification system includes a plurality of radio frequency identification (rfid) tag readers, a computer in signal communication with the rfid tag readers over a network, and a software module for storage on and operable by the computer that localizes rfid tags based on information received from the rfid tag readers using a network model having endpoints and oriented links. In an additional example, at least one of the rfid tag readers includes an adjustable configuration setting selected from rf signal strength, antenna gain, antenna polarization, and antenna orientation.
10/24/13
20130278389
Systems and methods for object localization and path identification based on rfid sensing
A networked radio frequency identification system includes a plurality of radio frequency identification (rfid) tag readers, a computer in signal communication with the rfid tag readers over a network, and a software module for storage on and operable by the computer that localizes rfid tags based on information received from the rfid tag readers using a network model having endpoints and oriented links. In an additional example, at least one of the rfid tag readers includes an adjustable configuration setting selected from rf signal strength, antenna gain, antenna polarization, and antenna orientation.
10/24/13
20130278388
Systems and methods for object localization and path identification based on rfid sensing
A networked radio frequency identification system includes a plurality of radio frequency identification (rfid) tag readers, a computer in signal communication with the rfid tag readers over a network, and a software module for storage on and operable by the computer that localizes rfid tags based on information received from the rfid tag readers using a network model having endpoints and oriented links. In an additional example, at least one of the rfid tag readers includes an adjustable configuration setting selected from rf signal strength, antenna gain, antenna polarization, and antenna orientation.
10/24/13
20130278382
Systems and methods for object localization and path identification based on rfid sensing
A networked radio frequency identification system includes a plurality of radio frequency identification (rfid) tag readers, a computer in signal communication with the rfid tag readers over a network, and a software module for storage on and operable by the computer that localizes rfid tags based on information received from the rfid tag readers using a network model having endpoints and oriented links. In an additional example, at least one of the rfid tag readers includes an adjustable configuration setting selected from rf signal strength, antenna gain, antenna polarization, and antenna orientation.
10/24/13
20130278357
Maximally flat frequency coded (mffc) passive wireless saw rfid tags and sensors
A surface acoustic wave device responsive to an interrogation signal for producing a return signal. The surface acoustic wave device comprises an antenna for receiving the interrogation signal, a piezoelectric substrate, one or more frequency-selective reflective arrays disposed on the piezoelectric substrate, an interdigital transducer for launching an incident surface acoustic wave on the substrate in response to the interrogation signal, the incident surface acoustic wave propagating to the one or more frequency-selective reflective arrays, a reflected surface acoustic wave reflected from each one of the reflective arrays, the interdigital transducer receiving the reflected surface acoustic waves, and the return signal, responsive to each reflected surface acoustic waves..
10/17/13
20130274588
Electronic pelvic organ prolapse quantification system
Systems and related methods for measuring pelvic organ prolapse are disclosed. A plurality of positioning devices, such as rfid tags, ultrasound reflectors or magnetic field sensors, which may be active or passive, and which are preferably disposable, are set at predetermined positions within the patient and their relative positions recorded with one or more corresponding external receiving devices fixed to the patient while the patient is in a relaxed state.


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Rfid Tags topics: Access Point, Radio Frequency Identification, Antenna Gain, Hierarchical, Localization, Input Device, Electronic Book, Radio Signal, Electronic Device, Rfid Reader, Acoustic Wave, Piezoelectric, Wave Device, Transducer, Microprocessor

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