A Radio Frequency Identification (RFID) tag is disclosed. The RFID tag includes an antenna to receive a high frequency signal, a capacitor bank coupled with the antenna, a charge pump coupled with the antenna configured to convert the high frequency signal to a direct current (DC) signal, an envelope detector to measure peak voltage of the high frequency signal and a detector to compare an output of the charge pump and an output of the envelope detector. The RFID tag also includes an impedance tuning circuit coupled with the charge pump and the envelope detector configured change a capacitance of the capacitor bank based on an output of the detector and the envelope detector.

A labeling set for marking a pharmaceutical vessel including a body having a peripheral surface and a removable closure includes: a three-dimensional molded attachment, a label for sticking on the outer vessel circumference to be marked, and an RFID transponder for electronic identification of the vessel and/or contents. The attachment is mountable and/or positionable on the vessel in a predefined relative position and has a circumferential wall with an outer circumferential surface which is intended as an additional labelable and/or electronically identifiable outer wall and/or outer surface and whose radius, outer circumference and/or wall course is selected in accordance with the radius, outer circumference and/or wall course of the vessel circumferential surface. The label and/or the RFID transponder sticks over and/or covers both a circumferential surface, formed in accordance with the vessel body outer circumference, and the attachment circumferential surface at least in regions and/or to secure the vessel attachment to the vessel.

A method of transmitting a first tier of information by a radio frequency identity (RFID) chip when hailed in a first frequency band and transmitting a second tier of information by the RFID chip when hailed in a second frequency band. The method comprises receiving a first hailing radio signal in a first frequency band by an application executing on a processor of an RFID chip, in response to receiving the first radio signal, transmitting a first tier of information stored in the RFID chip in the first frequency band by the application, receiving a second hailing radio signal in a second frequency band by the application, and, in response to receiving the second radio signal, transmitting a second tier of information stored in the RFID chip in the second frequency band by the application.

A method of incorporating a second conductor into a RFID strap device and the resulting device in multiple embodiments is disclosed. The second conductor adds functionality via coupling between the strap conductor and the second conductor. The functionality added can be a secondary antenna operating at a different frequency than the first antenna that is driven by the strap pads, a sensing capability, a drive for an emissive device such as an LED, or an interface to one or more semiconductor devices mounted onto the second conductor.

Described examples relate to a radio frequency identification (RFID) device configured to be detachably coupled to an object. The RFID device may include a first RFID tag comprising a first antenna, the first antenna comprising a first arcuate element and a second arcuate element, wherein the first accurate element and second arcuate element are arranged in a semicircle. The RFID device may also include a second RFID tag comprising a second antenna.

An RFID transponder including a Bluetooth® compatible transceiver is described a (BLEET). The Bluetooth® compatible transceiver may be configured to set data that is transmitted via one or more RFID transceivers in the transponder and to return data received by the RFID transceiver(s) to a client application running, for example, on a user's smart phone. The BLEET may be used for electronic vehicle tracking or tolling. Vehicle occupancy data may be set by the user with the client application via a Bluetooth® connection in connection with high occupancy vehicle tolling and express lane incentive programs.

A radio frequency identification (RFID) switch tag is disclosed. This RFID switch tag includes a base component having an ultra-high frequency (UHF) booster, and a detachable component having at least one UHF RFID module and a high frequency (HF) RFID module. In some embodiments, the detachable component is positioned in close proximity to the base component in a first configuration of the RFID switch tag such that the at least one UHF RFID module is sufficiently coupled to the UHF booster in the base component to form an UHF RFID system having a desired performance. The detachable component can also be separated from the base component to obtain a second configuration of the RFID switch tag, and the HF RFID module remains functional within the detached detachable component so that the detachable component can be used as a standalone HF RFID tag.

The present disclosure relates to the field of security systems and discloses a tamper detection device. The device (100) comprises at least one transducer (106,110), a power supply unit (114), a logical gate (112), a processing unit (104), and, a tamper tag 102). The transducer (106,110) generates a trigger signal upon detection of a tamper event. The logical gate (112) is operable in an open state or a closed state. The processing unit (104) generates a tamper detection signal for changing the state of the logical gate (112) upon receiving the trigger signal or upon detecting loss of power supply from the power supply unit (114). The change in state of logical gate (112) causes a tamper flag value stored in the tamper tag (102) to change, thereby indicating a tampered status to a reader scanning the tamper tag (102). The device (100) detects a tamper event even if the device (100) is not damaged/broken during tampering.

Systems and methods are described for low power radio devices. A first radio-based computing devices emits wireless power signals which are received by a plurality of second radio-based devices. A sensor controller of the one or more second radio-based devices determines if an interrupt signal is to be transmitted to an associated at rest microcontroller, to cause the microcontroller to prepare to receive or emit a radio information signal.

A dual-mode RFID tag and related system for storing, monitoring, and recovering data regarding an object, the system including a dual mode tag including a case, a UHF tag inside the case and structured to store at least a first portion data about the object, and an HF tag inside the case and to store at least a second portion of data about the object; the system further including a UHF reader to communicate with the UHF tag, an HF reader on a personal device to communicate with the HF tag, and a remote management system having a memory and a communication system that is communicatively coupleable to one or both of the HF reader and the UHF reader to receive a communication signal from one or both of the HF reader and the UHF tag and to store and modify data about the object in the remote management system, and to transmit data about the object to one or both of the UHF tag and the HF tag after determining the authorization of the HF reader user.