Provided are an RFID tag information reading apparatus and method, including a signal management circuit, configured to output an operation frequency signal; a resonant circuit, configured to receive the operation frequency signal, adjust a capacitance value and an inductance value of the resonant circuit according to the operation frequency signal, so that the resonant circuit generates a resonance for generating a sine wave signal at a frequency point of the operation frequency signal, the resonant circuit is further configured to generate an electromagnetic wave from the sine wave signal, radiate the electromagnetic wave to a tag, and trigger the tag to return a tag identity signal; and a decoding identification circuit, configured to identify tag information according to the tag identity signal returned by the tag; where the signal management circuit is connected with the resonant circuit, and the resonant circuit is connected with the decoding identification circuit.

Disclosed is an activation module for a function in a motor vehicle accommodated in a component, the module including a detection and communication device including at least one communication antenna transmitting at a high frequency and a device for detecting a deformation of the component, the communication antenna being connected to a printed circuit board including a unit for measuring voltage variation across the terminals of the communication antenna, a unit for interpreting the measuring unit and transmission and reception unit with an electronic control unit having a unit for activating the function. The communication antenna is movable relative to the printed circuit board under the action of the deformation of the component, the measuring unit then detecting a voltage variation across the terminals of the communication antenna.

An RFID system includes an RFID antenna assembly configured to be positioned on a product module assembly of a processing system. The product module assembly is configured to releasably engage at least one product container. A first RFID tag assembly configured to be positioned on the at least one product container. The at least one product container is configured to position the first RFID tag assembly within a detection zone of the RFID antenna assembly whenever the product module assembly releasably engages the at least one product container.

In some embodiments, apparatuses and methods are provided herein useful to track objects on a moving conveyor system. In some embodiments, an RFID based tracking system comprises a conveyor system to move and transport objects along a conveyance path, wherein each object includes a near field only RFID tag associated therewith and identifying the object. Each near field only RFID tag is not coupled to a far field antenna such that it is not readable in a far field of RFID communication and communicates only in a near field of RFID communication. An RFID tag reader is positioned to attempt to read the near field only RFID tag of each object. And a control circuit processes reads of the near field only RFID tags by the first RFID reader to determine an order of the objects being conveyed.

An RFID receiver (1) comprises an antenna (11) configured to receive a radio signal (20) from an RFID transmitter (2) and to generate an electrical signal (110) from the radio signal (20) received from the RFID transmitter (2). A decoder circuit (10) is connected to the antenna (11) and configured to extract from the electrical signal (110) generated by the antenna (11) data bits encoded in the electrical signal (110). The decoder circuit (10) comprises an analog-to-digital converter (12) connected directly to the antenna (11) and configured to generate a digital input signal (13) from the electrical signal (110) generated by the antenna (11). A bit extractor (14) is connected to the analog-to-digital converter (12) and configured to extract the data bits from the digital input (13) signal generated by the analog-to-digital converter (12).

A system having a UHF RFID transceiver is adapted to communicate exclusively with a single electro-magnetically coupled transponder located in a predetermined confined transponder operating region. The system includes a near field coupling device comprising a plurality of lines connected in parallel with an unmatched load. The near field coupling device may be formed, for example on a printed circuit board with a plurality of electrically interconnected traces and a ground plane. The system establishes, at predetermined transceiver power levels, a mutual electro-magnetic coupling which is selective exclusively for a single transponder located in a defined transponder operating region. Also included are methods for selective communication with the transponder in an apparatus such as a printer-encoder.

Systems and methods for compensating for interference in radiofrequency identification (RFID) devices are provided. One system includes an RFID antenna structure having a fixed antenna having a plurality of loops, one or more additional inductive loops and a switching arrangement coupled with the one or more additional inductive loops. The RFID antenna structure further includes a controller configured to control the switching arrangement to selectively switch the one or more additional inductive loops to change an inductance of the fixed antenna.

A wireless user authentication system uses an AIDC device and a wireless reader to verify the identity of an individual. The AIDC device is a key fob that contains the user's credentials. The wireless reader is a device that wirelessly interrogates the AIDC device to ascertain the user's credentials. The wireless reader has a casing an interface window, a component cavity, a control panel, multiple antenna spacers, an antenna, and a processing unit. The casing is an enclosure that houses the components of the wireless reader within the component cavity. The interface window is hole that enables the user to access the control panel. the antenna spacers are rigid beams that retain the processing unit in a position that is offset from the control panel. Additionally, the antenna is wound around the antenna spacers and retained in a configuration that facilitates wirelessly communicating with the AIDC device.

An antenna device includes a first coil and a second coil whose winding axes are parallel or substantially parallel, are disposed so as to be insulated from each other, and that magnetically couple with each other; a first capacitance that is connected in parallel to the first coil and defines a first resonance circuit with the first coil; a second capacitance that is connected in parallel to the second coil and defines a second resonance circuit with the second coil; a third capacitance connected between at least one set of ends of the first coil and the second coil; and a power supply terminal connected to the first coil.

Disclosed are various embodiments for a light bulb or other type of lighting fixture that integrates a light source and a radio frequency identification (RFID) reader. Embodiments of the disclosure can also forward identifiers corresponding to RFID tags detected by the RFID reader to another computing device that can facilitate identification of products or items associated with the RFID tags. RFID tags are energized with interrogator signals and/or an electromagnetic field emitted from the RFID reader and submit a response, which can be forwarded, or data extracted and transmitted, to another computing device.