Abstract: An active electronic tag for a memory card is disclosed herein. The active electronic tag includes an antenna, a first amplifier, an automatic gain control circuit, a phase synchronization locking circuit, a decoding and TX/RX control unit and a second amplifier. The antenna receives a detecting signal transmitted from a card reader, in which the detecting signal is carried on a first carrier. The phase synchronization locking circuit generates a positive carrier and a negative carrier with a phase difference of 180 degree. The decoding and TX/RX control unit generates a response signal, which is carried on the negative carrier. By utilizing the phase difference of the first carrier and the negative carrier, the response signal cancels the first carrier on the card reader, so as to transmit the information saved inside the active electronic tag.

Abstract: Systems, methods and computer program products for detecting and re-personalizing are provided herein. In an embodiment, the invention operates by obtaining an ID (i.e., an identification, such as a Dynamic Unique Identifier) from a RFID tag, generating a new ID, and writing the new ID to the RFID tag. The ID read from the tag is used to lookup a subject's record in a database. If the write of the new ID to the tag is verified, then database changes are committed to link the new ID to the subject. In an alternative embodiment, the invention operates by obtaining data from a memory of a RFID tag, wherein the memory has a first partition and a second partition, generating a new ID, and writing the new ID to either of the first partition or the second partition of the RFID tag. If such write is verified, then the new ID is written to the other partition of the RFID tag. The data from the tag is used to lookup a subject's record in a database.

Abstract: In one embodiment of the present invention, a method for identification of components in an electrical low-voltage switchgear assembly is disclosed. The electrical low-voltage switchgear assembly according to one embodiment of the invention includes at least one truck module, which can be positioned in a truck slot. In at least one embodiment, both the truck slot and the truck module include associated devices for wire-free communication, wherein the communication devices are designed to transmit and/or receive data which is relevant for an automatic identification of the truck slot and/or the truck module, and allow automatic association of these components with one another.

Abstract: This invention relates to a wall mountable drip tray (1) of the type comprising a mounting plate (5) for mounting the drip tray to a wall, a liquid reservoir (7) extending forwardly from the mounting plate and in which the wall mountable drip tray further comprises monitoring equipment (9) including a proximity sensor (8) for detecting an individual or equipment in the vicinity of the drip tray. The monitoring equipment further comprises a transceiver for communicating with one or more of a remote control unit (23), a fixed network unit (35) and a mobile network unit (37) of a monitoring system (21). By providing such a wall mountable drip tray, existing hand hygiene infrastructure, specifically wall mounted antibacterial liquid dispensers, in an installation can be incorporated into a new monitoring system and will not become obsolete.

Abstract: A semiconductor chip transmits a request signal which requests notification of the setting state of a chip identifier to another semiconductor chip connected to one of the upstream and downstream, receives a response signal indicating the setting state of the chip identifier and the value of the chip identifier, as a response to the request signal, and performs a chip identifier setting process based on the response signal. When receiving a request signal from another semiconductor chip connected to the other of the upstream and downstream, the semiconductor chip transmits a response signal indicating the setting state of the chip identifier and the value of the chip identifier, as a response to the request signal.

Abstract: An apparatus having at least one RFID chip (30), which is surrounded by a metallic outer casing (11) of a packaging unit (1), used for radio-frequency identification and having a circuit (32) and an antenna structure (31), and a transmitting/receiving unit (41) for transmitting a transmission signal (42) and/or receiving a response signal (43) from the RFID chip (30), wherein the response signal (43) can be evaluated using an evaluation unit (44) which is connected to the transmitting/receiving unit (41), where the RFID chip (30) has an operating frequency in a frequency band (50) below a range of a blocking frequency (54) which is determined by the conductivity of the metallic outer casing (11) and the thickness thereof.

Abstract: Systems and techniques for reading radio frequency identification (RFID) tags and determining the distance between a reader and a tag being read. A plurality of interrogation signals are transmitted to an RFID tag, with signals at a first frequency being transmitted at a plurality of antenna polarizations and signals at a second frequency being transmitted at a plurality of antenna polarizations. The antenna polarizations are chosen such that return signals resulting from the signals and traveling along reflective paths will sum to zero. Return signals received from the tag are averaged, and phase shift information exhibited by the return signals is determined. The phase shift information for the return signals and frequency information for the interrogation signals is used to compute the distance between the reader and the tag.

Abstract: An electromagnetic wave propagation medium 1 extends in the propagation direction of an electromagnetic wave and has an electromagnetic wave propagation space sandwiched between conductors in the direction perpendicular to the electromagnetic wave propagation direction. A base unit 2 and multiple terminals 3 are placed on the electromagnetic wave propagation medium 1. When the position of a terminal 3 is detected, the base unit 2 transmits a position detection signal through the electromagnetic wave propagation medium 1 to the terminal 3. This position detection signal is attenuated more heavily during its propagation through the electromagnetic wave propagation medium 1 than a communication signal for use in normal communication is. The signal strength of the position detection signal drops as it moves away from the base unit 2. Hence the position of each terminal 3 can be detected based on the signal strength of the position detection signal received by each terminal 3.

Abstract: According to embodiments described in the specification, systems and methods are provided for location-based digital golf media delivery. The method includes the steps of, in a user device including a processor, a display, and a sensor, sensing a code at a golf course location using the sensor, accessing a link to digital golf media from the code, wherein the link is determined based on one or more redirect parameters, and displaying the digital golf media on the display.

Abstract: Embodiments of the present invention include systems with Readers and Tags in which a Reader queries the Tags with a parameter that includes a level of probability of reply according to which the Tags individually and randomly decide whether or not to reply. In one embodiment, the Tags can switch between two states: A and B. The query command also specifies a state (A or B) so that only the Tags in the specified state can reply. After successfully sending the Tag identification data from a Tag to the Reader, the Tag switches to the other state from the specified state. In one embodiment, the operations about the two states are symmetric. In one embodiment, the Tags can remember the parameters used in a query so that a short form of query command can be used to repeat the query with the same query parameters.

Abstract: A wireless transponder unit having a maximum operating temperature and being structured to be disposed on an electrical joint includes: an integrated circuit configured to store identification information; and a resonant circuit electrically connected to the integrated circuit, the resonant circuit having a damping factor. The resonant circuit includes a capacitor, an antenna, and a resistor having a resistance and a positive thermal coefficient. A change in temperature of the wireless transponder unit causes a change in the resistance of the resistor and the damping factor of the resonant circuit. The maximum operating temperature of the wireless transponder unit is based on the damping factor of the resonant circuit.

Abstract: A radio frequency identification (RFID) tag distance measuring system and method is disclosed. One example includes a first replica path that receives a signal that is simultaneously transmitted to an RFID tag. The first replica path includes a plurality of taps at known distances along the first replica path. Each of the plurality of taps has a first tap input coupled with the first replica path. In addition, an RFID signal receiver receives a return signal from the RFID tag and provides the return signal along a measurement input, wherein each of the plurality of taps have a second tap input coupled with the measurement path. A distance determiner detects at least the first of the plurality of taps to have an output and determine a distance measurement to the RFID tag based thereon.

Abstract: A dosing system and a method for dosing a medium, having a dosing control unit (4), at least one exchangeable container (2) containing a medium to be dosed, and a dosing valve (3, 3?) that can be connected to the container (2), wherein at least one part of the dosing valve (3, 3?) that comes into contact with the medium is designed as an exchangeable system component (7, 10) and has a machine-readable code for identification purposes, wherein at least one container (2), as an exchangeable system component (2), has a machine-readable code for identification purposes, wherein the exchangeable parts (2, 7, 10, 19) that come into contact with the medium are designed as disposable parts, and wherein the dosing control unit (4) is connected with a communication unit (5) to read the codes, and wherein the communication unit (5) has a unique read connection (22) to each exchangeable system component (2, 7, 10, 19) or its code.

Abstract: A machine tooth for heavy equipment can be monitored by coupling an RFID tag to the heavy machine tooth and positioning an RFID reader to read the RFID tag. The RFID reader provides an indication that the heavy machine tooth is separated from the heavy machine. The heavy machine tooth is configured, for example, to be mounted on a bucket of a heavy machine.

Abstract: There is provided a terminal for use in determining which of one or more candidate RFID tags having unique data stored thereon is a target RFID tag within an area of the terminal. The terminal can comprise program instructions to direct an RFID reading device of the terminal to perform a number of reads of the one or more candidate RFID tags in response to determining that an object is present in the area, to calculate an accumulated RSSI of each of the one or more candidate RFID tags, and to determine the target RFID tag from a highest accumulated RSSI. In one embodiment, the unique data can be an EPC. There is also provided a terminal for use in converting an EPC into a decoded bar code. The terminal can comprise program instructions to transmit the decoded bar code to a computer such as an electronic cash register.

Abstract: A portable data tag method, device and system for identifying a location of a data tag. The method comprises reading the data tag by a portable data tag reader device; determining, by a processor in operative communication with the reader device, a location of the portable data tag reader device; determining, by the processor, a read zone of the portable data tag reader device, relative to the location of the portable data tag reader device; and determining, by the processor, the location of the data tag using the location of the portable data tag reader device and the read zone of the portable data tag reader device.

Abstract: Processing communications to and from multiple communications systems based on user preferences and based on presence information for one or more users of the communications systems is provided. A user who operates multiple communications systems may set preferences with each of the systems individually or through a centralized communications management system to control call processing to each of the systems based on prescribed user preferences and based on presence information for the user. In addition, communications applications associated with one or more communications systems may be automatically activated or functionally modified based on user preferences and/or user presence information.

Abstract: A system and method for verifying the occurrence of an environmental condition is disclosed. Rather than store information concerning the occurrence and/or success of the sterilization process, the present invention modifies the wireless transmission characteristics of the device. In some embodiments, the bandwidth of the wireless transceiver is altered as a result of undergoing sterilization. In other embodiments, the resonance frequency of the circuit is affected. In other embodiments, one or more of these parameters are affected based on other environmental conditions, such as shock or vibration.

Abstract: The present disclosure relates to a method for the use of a blade for a food slicer, where the blade comprises a radio transponder that in response to a query radio signal transmits a response data record in a response radio signal. Furthermore, a configuration signal is transmitted with a status data record. The configuration signal is received by the radio transponder, and the status data record is stored in the radio transponder. The present invention further relates to a blade for slicing food products in a food slicer, where the blade is in particular a circular blade or sickle blade, and where the blade comprises a radio transponder that is embedded in a recess in the blade. A receptacle is provided in the inner portion of the recess, where the radio transponder is disposed at least partially in the receptacle, and where the recess in the portion bordering its opening has a larger cross-section than the receptacle.

Abstract: The light-emitting diode is provided with a lid and is capable of emitting a first predefined color. The card further comprises a near field communications antenna circuit, the circuit and the diode being configured so that the diode emits light when a current of predefined intensity flows in the circuit. More particularly, the lid of the diode is coated with a mass of material forming means for selecting a set of wavelengths from those making up the first color so that the light transmitted through the mass has a second predefined color different from the first color.

Abstract: Disclosed is a system and method for verifying a chip having a memory. Remanufacturers of imaging devices, such as inkjet printers or electrostatic printers, often have to use a replacement chip in order to reuse an imaging cartridge. It is desirable to have a system and method for determining if the replacement chip is suitable for use with a specific imaging cartridge. Also, it may be desirable to confirm that the chip was manufactured by a specific manufacturer. The disclosed system and method allow the remanufacturer a reliable and efficient way to verify chips.

Abstract: An apparatus includes a battery pack, processor attached to the battery pack, and an antenna attached to the processor for establishing a radio link with an electronic device powered by the batter pack.

Abstract: A system and method of determining the location of a RFID reader is disclosed. The system comprises a first RFID reader, and at least one other RFID reader, and a processor. The RFID readers associate unique RFID tag information with at least one antenna that reads the information. The processor receives RFID data from the first RFID reader and the at least one other RFID reader and determines the location of the first RFID reader relative to the at least one other RFID reader based on the association of unique RFID tag information with at least one antenna of at least two readers.

Abstract: An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating characteristics based upon information received from the remote device. Further, the ballast may provide a path for the remote device to communicate with device other than the adaptive inductive ballast.

Abstract: An integrated circuit card system that includes a radio frequency (RF) integrated circuit configured to wirelessly communicate with an integrated circuit card reader; and an integrated circuit card, which is connected to the RF integrated circuit by a single wire, the integrated circuit card configured to change an amount of current of a data signal output from the integrated circuit card according to a transmission speed of a data signal input to the integrated circuit card from the RF integrated circuit.

Abstract: Prior to logging of a process flags for locking at all addresses of a logging area of a tag are set to state 1 by means of an interrogator. A high limit (h) and a low limit (l) of an interval (l-h) of such values (v) of a physical parameter are determined, which are proper for preserving usability of a tagged article. Said values (v) acquired with a sensor and acquisition times related thereto are converted into less numerous data characterizing the process by observing said limits (h, l). Said data characterizing the process are logged in said logging area. Said process log cannot be modified in any way at a later stage. The invention also provides for an efficient observation of longer period of the process in the tagged article in order to inspect the usability thereof.

Abstract: A method of forming ad hoc RSI hierarchical communication networks among pluralities of wireless transceivers includes assigning to each of the transceivers one or more common designations. A network organization routine of the transceivers operates to establish hierarchical networks based on the transceivers' common designations, resulting in a logical network organization that provides efficiencies for acquiring information from particular transceivers that share a common designation. Each transceiver's common designation is used by a digital processor of the transceiver to selectively receive data packets that are intended for receipt by transceivers sharing the particular common designation. Such a “common designation” network reduces power consumption and signal interference thereby increasing battery life.

Abstract: In a method for operating a transponder (1, 41), the transponder (1, 4) receives a signal from a transmitter (2, 42). The signal comprises an information about a reference sensitivity and the transponder (1, 41) has an input sensitivity such that the transponder (1, 41) detects only signals above a certain power corresponding to the input sensitivity. In response to the received signal, the input sensitivity of the transponder (1, 41) is adjusted to the reference sensitivity.

Abstract: An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating characteristics based upon information received from the remote device. Further, the ballast may provide a path for the remote device to communicate with device other than the adaptive inductive ballast.

Abstract: An in vivo RFID chip implanted in a patient's body, comprising an integrated antenna formed on the chip, and a CMOS-compatible circuitry adapted for biosensing and transmitting information out of the patient's body. In preferred embodiments, the CMOS-compatible circuitry is adapted to sense a chemical and/or physical quantity from a local environment in the patient's body and to control drug release from the drug reservoirs based on the quantity sensed.

Abstract: Systems and methods for wireless device connection and pairing are provided. Embodiments relate to automatic device connection or pairing by accessing or acquiring a machine-readable feature. Machine-readable features may include printed or displayed machine-readable indicia, such as linear (e.g., one-dimensional) barcodes, matrix (e.g., two-dimensional) barcodes, quick response (QR) codes, characters, symbols, labels, pictorial icons, graphics, images, watermarks, holograms, or any other printed or displayed indicia that may be used to encode, represent, or lookup information. Machine-readable features may also include non-printed features, such as magnetic strips, radio frequency identification (RFID) tags, various other types of sensors and tags embedded or attached to electronic devices, and audio and visual signals.

Abstract: A radio frequency identification device is configured as a data logger. In a logging mode the radio frequency identification device logs information received from a transmitter. In an upload mode the radio frequency identification device is configured to upload to a receiver logged information and/or information identifying the radio frequency identification device. Optionally, the logging mode is used when there is insufficient power to send a readable response signal to the transmitter.

Abstract: A method and a data carrier for contactless communication of a reading device with at least two communication-ready applications located on a portable data carrier. A first communication-readiness signal is generated for a first application and sent to the reading device, the signal having a first identification number that is assigned to the first application and indicates to the reading device the communication readiness of said first application, and a second communication-readiness signal is generated and sent for a second application, the second signal having a second identification number different from the first identification number, which is assigned to said second application and indicates to the reading device the communication readiness of the second application. The identification numbers simulate for the reading device the communication readiness of a data carrier in each case. The reading device thus has the impression of communicating with applications of two separate data carriers.

Abstract: A system and method of transmitting sensor signals in a waveguide environment are provided. A sensor assembly is configured to wirelessly receive a sensor interrogation signal, determine an input power level of the sensor interrogation signal, and transmit a message including the determined power level. The system also includes a sensor controller configured to transmit a sensor interrogation signal determine an output power of the transmitted sensor interrogation signal at a plurality of frequencies, receive an indication of the received input power level of the sensor interrogation signal from the sensor assembly at the plurality of frequencies, compare the transmitted output power of the sensor interrogation signal to the received power indication, and select a transmit frequency for transmitting messages between the sensor assembly and the sensor controller based on the comparison.

Abstract: An information processing device is provided. The information processing device including a communication antenna having a variable Q value, for performing contactless-type communication with an external device by using a communication path capable of transmitting and receiving a signal using a carrier of a predetermined frequency, a communication speed determining unit for determining a communication speed in the communication with the external device, and a communication controlling unit for allowing the Q value of the communication antenna to be set to a value corresponding to a determined communication speed based on the communication speed determined in the communication speed determining unit.

Abstract: An integral locating system for child's drinkware accessories comprises a receiver with a speaker removably attached to a rear portion of each accessory. The speaker is activated by a remotely located transceiver preferably carried by or located adjacent to the parent or care provider. In such a manner, the parent or care provider can depress an activation button on the transceiver to locate the specific article. The article will alert in response period of seconds to allow the parent or care provider to locate it. The receiver unit is removable from the child's drinkware accessory to allow the article to be washed or sterilized. The receiver unit is placed in a central recharging station that accepts the different sized receivers for recharging.

Abstract: A RFID printer for printing and determining the quality of RFID record members having transponders is provided. The RFID printer may be used to print RFID record members utilizing a continuous moving web. In particular, a RFID printer includes an integrated RFID data collector such that identifying RFID transponder information may be recorded and associated with a barcode for inventory tracking purposes. An association file created by the RFID printer may be transferred to a manufacturer or retailer brand owner. The association file may be deleted from the RFID printer upon acknowledgment of receipt of the transmitted association file to the manufacturer or retail brand owner. The RFID printer provides methods for determining quality of RFID printed record members.

Abstract: The invention relates to a method for encoding contactless communication data from a transponder to a reader via charge modulation, in the form of a set of modulation patterns, each modulation pattern being a series of charge levels of a predefined length used for physical encoding, having a duration of n carrier periods (Tc), including a series of at least two charge levels, having a minimum pulse width (w) corresponding to the shortest duration of a single charge level in the pattern, and having a retromodulation rate (t) corresponding to the ratio between the retromodulation time and the duration of a pattern, characterized in that the number (k) of patterns is greater than four, the minimum pulse widths (w) of at least two patterns are different, and the retromodulation rates (t) of at least two patterns are different. The invention also relates to a device for implementing the method.

Abstract: A radio wave control apparatus includes a detecting unit that detects an object, other than a communication target device, in a radiation range to which a radio wave radiating unit radiates predetermined radio waves in each of a plurality of radiation directions; and a radiation range determining unit that determines a radiation range in each of the radiation directions such that the predetermined radio waves are radiated over a predetermined communication range, in which the communication target device is communicable using the predetermined radio waves, and no no-communication area that is caused when the predetermined radio waves reflected on the object is caused in the communication range.

Abstract: Systems, methods, and computer-readable and executable instructions are provided for providing a universal access device. Providing a universal access device can include storing access data for each of a number RFID readers, wherein each of the RFID readers accepts a particular RFID protocol. Providing a universal access device can also include selecting a particular RFID protocol for one of the number of RFID readers while the universal access device is within an activation zone of the RFID reader. Furthermore, providing a universal access device can include providing the access data for the particular RFID reader via the particular RFID protocol.

Abstract: An autonomous battery-free microwave frequency communication device which includes a capacitance, at least one antenna, a microwave energy harvesting system, a microwave frequency transceiver, and a control system. The energy harvesting system is configured to harvest and store microwave energy received via the antenna onto the capacitance. The transceiver is empowered by energy stored on the capacitance, and is configured to autonomously generate a microwave frequency carrier and to autonomously transmit information using the microwave frequency carrier according to a predetermined communications protocol via the antenna. The control system is empowered by energy stored on the capacitance, and is configured to provide information for transmission. Energy may be harvested from various communication forms, such as wireless network protocols or cellular communications. The frequency band from which energy is harvested may differ from the frequency band used for communications.

Abstract: Provided is an RFID system and method for maintaining a constant strength of a signal transmitted from an RFID tag to an RFID reader, regardless of a distance between the reader and tag. The RFID signal strength measuring reader measures a signal strength received from the RFID tag, creates control information used to set an amplification amount of the RFID tag by using a value of the measured strength to include the control information in an output signal, and sends the output signal to the RFID tag. The RFID tag, if the signal sent from the RFID reader is received, extracts internal information from the received signal, sends the information to the RFID reader as an output signal, and extracts the control information included in the signal sent from the RFID reader to adjust a strength of the output signal according to a value of the control information.

Abstract: A detection unit positioned on a package includes a magnet, a first magnetic switch, a second magnetic switch, a processor, and a clock. The first magnetic switch outputs a first control signal or a second control signal according to magnetic flux density of the magnet. The second magnetic switch outputs a third control signal or a fourth control signal according to the magnetic flux density of the magnet. The first control signal is the same as the third control signal; the second control signal is the same as the fourth control signal. When the processor receives the first control signal and the third control signal at the same time, the processor reads a first real-time clock (RTC) signal from the clock. When the processor receives the second control signal and the fourth control signal at the same time, the processor reads a second RTC signal from the clock.

Abstract: An object is to provide a data processing device which achieves multiple functions or easy additional providing of a function while suppressing adverse influence on a communication distance or to improve resistance to electrostatic discharge in the data processing device. The data processing device includes an antenna which transmits and receives a first signal to/from a first terminal device through wireless communication, an integrated circuit which executes a process in accordance with the first signal, and a terminal portion which transmits and receives a second signal to/from a second terminal device and has an exposed conductive portion on its surface. A protection circuit is provided between at least one terminal of terminals of the terminal portion and a power supply terminal of a high potential and between the one terminal and a power supply terminal of a low potential.

Abstract: A signal processing device includes: an extraction section configured to extract a signal having a predetermined component from an obtained signal; and a detection section configured to determine a timing of decoding when a modulation part lasting for a first time period and a non-modulation part lasting for a second time period are detected from the signal extracted by the extraction section.

Abstract: A wireless tag device can communicate with an inquiry device includes: a local terminal storage unit storing local terminal identification information which can be discriminated from another wireless tag device; a reception detection unit detecting a signal transmitted from the inquiry device or another wireless tag device; an inquiry signal receiving unit receiving the detected inquiry signal if the inquiry signal is transmitted using a first frequency from the inquiry device; a reply signal transmitting unit transmitting a reply signal in response to the inquiry signal using a second frequency different from the first frequency; and a report signal transmitting unit transmitting a report signal including the local terminal identification information stored in the local terminal storage unit using a third frequency different from the second frequency if the inquiry signal transmitted from the inquiry device cannot be detected continuously in a specified time period in the reception detection unit.

Abstract: There is provided a terminal for use in determining which of one or more candidate RFID tags having unique data stored thereon is a target RFID tag within a line-of-sight of the terminal. The terminal can comprise program instructions to direct an RFID reading device of the terminal to perform a number of reads of the one or more candidate RFID tags in response to determining that an object is present in the line-of-sight, to calculate an accumulated RSSI of each of the one or more candidate RFID tags, and to determine the target RFID tag from a highest accumulated RSSI. In one embodiment, the unique data can be an EPC. There is also provided a terminal for use in converting an EPC into a decoded bar code. The terminal can comprise program instructions to transmit the decoded bar code to a computer such as an electronic cash register.

Abstract: Methods and devices for enabling a user to obtain item information relating to an item (10), the item having associated therewith an item identification means (12) and an RFID response means (14) arranged to provide a predetermined response on being subjected to a currently applicable trigger signal; the method comprising steps of: establishing from the item identification means (12) item identification information; using the item identification information to determine from an item information source (30) a currently applicable trigger signal for the RFID response means (14); subjecting the RFID response means (14) to the currently applicable trigger signal; receiving a predetermined response from the RFID response means (14); and using the predetermined response to obtain item information from the item information source (30); wherein the RFID response means (14) is arranged to generate a new currently applicable trigger signal and a new predetermined response associated therewith following subjecting of th

Abstract: The present invention relates to a privacy method for responding to read request. The present invention further relates to a device for generating a response signal and a computer program product. Methods and systems in accordance with embodiments of the invention validate, whether a read request is directed at a target tag to be protected, and, upon a match, respond to the read request by sending a response signal.

Abstract: Apparatus and methods are provided for automatically interrogating a tagged object using radio frequency identification (RFID) when the object is moved. In one embodiment, a worker is outfitted with a wearable RFID system including an RF antenna, an RFID reader, and a holder to hold the antenna and reader during operation. The system is worn by the worker while the worker moves objects from one place to another. When the worker moves an object with an attached RFID tag, the antenna automatically begins scanning for signals from the object's RFID tag. When a RF signal is received by the antenna, the RFID reader collects the signal and transmits it to a host system which processes the signal to obtain information related to the object to which the RFID tag is attached.