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"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Application No. | Application Title | Issue Date |
| 20120126955 | ACTIVE ENERGY HARVESTING FOR RADIO-FREQUENCY IDENTIFCATION DEVICES In general, embodiments of the present invention provide approaches for providing power to RFID transponders. In one embodiment, the RFID transponder is powered using a magnetic field generated by power lines. In another embodiment, the RFID transponder is powered using... | 05/24/2012 |
| 20120081213 | ACTIVE ELECTRONIC MEDIA DEVICE PACKAGING Active packaging for supplying power, data, or both power and data to an electronic media device while the device is housed within the active packaging is provided. The active packaging may include one or more electrical traces in-molded or printed onto the packaging th... | 04/05/2012 |
| 20120032803 | SECURITY TAG WITH INTEGRATED EAS AND ENERGY HARVESTING MAGNETIC ELEMENT An EAS security tag for providing both EAS and battery recharging features within one tag. The tag includes a rechargeable battery and an antenna having a magnetic core and at least one coil winding disposed around at least a portion of the core. The antenna supplies a ... | 02/09/2012 |
| 20120028575 | Power Supply control Apparatus and Method Thereof and Mobile Apparatus Using the same A power supply control apparatus is applied to a communication apparatus that is applied to a mobile apparatus. The power supply control apparatus includes a switch, coupled between the communication apparatus and a power supply; and a signal detecting unit, for detecti... | 02/02/2012 |
| 20110279244 | METHOD AND APPARATUS FOR TRANSMITTING POWER AND DATA Provided is an apparatus and a method for transmitting power to electronic devices and of transmitting and receiving data. The method of transmitting power includes searching for a device to be charged located in an area, determining whether the found device needs charg... | 11/17/2011 |
| 20110248834 | METHOD AND SYSTEM FOR LOW COST, POWER EFFICIENT, WIRELESS TRANSPONDER DEVICES WITH ENHANCED FUNCTIONALITY This invention provides a method and system for inventorying wireless transponders, specifically referred to as RFID transceiver devices. The RFID transceiver devices are certifiable by a recognized standards body, such as EPCglobal, or are compatible with recognized st... | 10/13/2011 |
| 20110148600 | APPARATUS AND METHODS FOR SELF-POWERED WIRE FREE DATA NETWORKS A self-powered wire free data network method (D) that includes at least one self-powered wire free transmission apparatus (A), self-powered wire free receiver apparatus (B) or self-powered wire free transceiver apparatus (C) makes capable the wire free transmission and ... | 06/23/2011 |
| 20110148601 | RADIO FREQUENCY IDENTIFICATION (RFID) DEVICE A radio frequency identification (RFID) device is disclosed. The RFID device is configured to read/write data in response to a radio frequency (RF) signal received from an antenna unit. The RFID device includes an event controller, a connection unit, and a driving contr... | 06/23/2011 |
| 20110084816 | APPARATUS AND METHOD FOR REDUCING THE CURRENT CONSUMPTION OF A CONTROL CIRCUIT Through a microcontroller, control signals are transferred to a transmitting and receiving unit or configuration data are transferred. Through the transmitting and receiving unit, in a first operating state transmission signals are issued, while controlling the control ... | 04/14/2011 |
| 20110063089 | RADIO FREQUENCY IDENTIFICATION (RFID) SYSTEM A radio frequency identification (RFID) system is disclosed. The RFID system connects a sense-signal generator to a power-supply voltage VDD input terminal of an RFID chip so that it detects a power-supply operation status of the RFID chip using sensory organs of a huma... | 03/17/2011 |
| 20110043327 | PHYSICAL AND VIRTUAL IDENTIFICATION IN A WIRELESS POWER NETWORK A wireless charging system is disclosed. The wireless charging system includes a detector configured to identify device information related to a device to be powered at a location, a location processor coupled with the detector and configured to deliver location-specifi... | 02/24/2011 |
| 20100277286 | Synchronization of devices in a RFID communications environment An adaptive wakeup methodology may be implemented to allow an radio frequency identification (RFID) tag to stay synchronized with periodic radio frequency (RF) interrogator polling signal while at the same time optimizing power consumption. A receiver (or transceiver) c... | 11/04/2010 |
| 20100276995 | Security for wireless transfer of electrical power A security mechanism is provided for wireless power transfer applications including resonant source and device objects, wherein tuned resonance between source and device objects is necessary for efficient power transfer. Tuning parameters associated with the source obje... | 11/04/2010 |
| 20100259390 | TRANSPONDER DETECTOR FOR AN RFID SYSTEM GENERATING A PROGRESSION OF DETECTION SIGNALS A transponder detector is provided with capabilities for detecting the presence and type of a transponder in its read range while operating at low power. The transponder detector includes an antenna assembly and a detection signal generator circuit coupled to the antenn... | 10/14/2010 |
| 20100214079 | METHOD FOR SWITCHING AN RFID TAG FROM DEEP SLEEP TO ACTIVE MODE A method by which an active tag can be switched from a deep sleep mode to an operating mode is based on a detector embedded on an active tag providing a wake up pulse to a state-machine of the tag in response to external energy pulse that will open an radio frequency li... | 08/26/2010 |
| 20100176934 | RADIO FREQUENCY CHARGING SYSTEM A radio frequency (RF) charging system is capable of charging an RF device on a display panel to increase charging efficiency. The RF device generates a response signal upon receiving an RF signal. The RF charging system includes an antenna set having a plurality of ant... | 07/15/2010 |
| 20100156610 | RFID REPEATER FOR RANGE EXTENSION IN MODULATED BACKSCATTER SYSTEMS A backscatter tag system including a tag having tag circuitry and a reader for transmitting a command signal to the tag includes an energizer node for transmitting an energy signal to the tag to energize the tag and provide energy for operating the tag circuitry and for... | 06/24/2010 |
| 20100148939 | ELECTRIC POWER TRANSMITTING AND RECEIVING DEVICE, ELECTRIC POWER TRANSMITTING DEVICE AND ELECTRIC POWER RECEIVING DEVICE In wireless electric power transmission and reception, the efficiency of transmission and reception is improved and a device to which electric power can be supplied is specified to improve security. Two antennas with different resonance fre... | 06/17/2010 |
| 20100134259 | CONTACTLESSLY RECHARGEABLE IDENTIFICATION DEVICE AND METHOD THEREOF A non-contact state charging authentication device and a method thereof are disclosed. The authentication device includes: a power supply for receiving and transmitting power; a control unit for controlling a signal; a shunt and voltage divided circuit connecting to the... | 06/03/2010 |
| 20100134293 | COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, AND POWER CONTROL METHOD A communication apparatus includes a first RF tag which performs communication using electromagnetic waves in a first frequency band; a second RF tag which performs communication using electromagnetic waves in a second frequency band different from those in the first fr... | 06/03/2010 |
| 20100127875 | RFID SYSTEMS We describe an RFID communications network comprising: a plurality of passive RFID tags; at least one RF power supply device; and at least one RFID reader; and wherein a said RFID tag is configured to use a first frequency to receive power for powering said tag from sai... | 05/27/2010 |
| 20100127837 | PASSIVE WIRELESS SYSTEM A passive wireless system for monitoring a protected area. The passive wireless system comprises at least one passive sensor for sensing an event, a reader for receiving signals from the at least one passive sensor, a plurality of exciters disposed within the protected ... | 05/27/2010 |
| 20100001847 | NONCONTACT TRANSMISSION DEVICE A noncontact transmission device 100 is provided with a driver 106 for driving a coil 102; a system clock oscillator 110 for outputting a system clock; a monitoring clock oscillator 112 for outputting a monitoring clock LF0 havi... | 01/07/2010 |
| 20090295547 | RFID tag communication apparatus This disclosure discloses an RFID tag communication apparatus comprising: a housing including a bottom surface; an antenna provided at a distance h from the bottom surface; and a radio frequency circuit including a carrier wave transmitting device that generates a carri... | 12/03/2009 |
| 20090278666 | POWER RECEPTION DEVICE, ELECTRONIC APPARATUS, AND NON-CONTACT POWER TRANSMISSION SYSTEM A power reception device includes a first resistance element having one end electrically connected to one end of a secondary coil which is able to be electromagnetically coupled to a primary coil of a power transmission devices a second resistance element having one end... | 11/12/2009 |
| 20090237220 | RFID TAGS WITH POWER RECTIFIERS THAT HAVE BIAS A system and method for generating a rectified signal in a RFID tag. An alternating signal is received by the RFID tag, and a first phase of the alternating signal is coupled to a gate and to a first non-controlling terminal of a first switching transistor. The non-cont... | 09/24/2009 |
| 20090207000 | Multiple Antenna Energy Harvesting Energy harvesting circuits and associated methods are provided that employ multiple antennas to optimize the amount of energy that is harvested while at the same time making efficient use of tag space. In some embodiments, matching networks are chosen in a manner that o... | 08/20/2009 |
| 20090146785 | RFID DEVICE WITH MULTIPLE PASSIVE OPERATION MODES A radio frequency identification (RFID) device is capable of operating in multiple passive modes, in either a fully passive mode or a boosted passive mode. The device includes an RFID chip that is suitable for operation of passive RFID devices. An antenna is coupled to ... | 06/11/2009 |
| 20090096587 | Transponder Actuatable Switching Device The present invention relates to a switching device for generating a switch signal, a reading device with the switching device and a method for the communication between a reading device and a transponder (T). The switching device includes an antenna (4), which w... | 04/16/2009 |
| 20090051499 | RFID System, Reader, Control, Program and Transmission Method A reader (100-1) transmits an interrogation wave to an RFID tag (200) through an antenna (102-1). A reader (100-2) transmits a power supply wave to the RFID tag (200) through an antenna (102-2). The w... | 02/26/2009 |
| 20090042515 | TRANSPONDER CIRCUIT The invention relates to a transponder circuit comprising a high-quality resonator and a demodulator. After being demodulated, the AM-modulated signal emitted by an emitting and receiving appliance has a frequency corresponding to the resonance frequency of the high-qua... | 02/12/2009 |
| 20090040026 | MONITORING SYSTEM, TERMINAL DEVICE AND MAIN CONTROL DEVICE THEREOF, AND METHOD AND PROGRAM FOR REGISTERING TERMINAL DEVICE By pushing the registration switch of a main controller, a radio signal for requesting the transmission of a terminal-device ID number is transmitted (SP1, SP2). A wireless sensor sends back the terminal-device ID number (SP11, SP12), and the... | 02/12/2009 |
| 20080303692 | Method and System for Assigning Identity Addresses to Local Management Modules A system and a method are provided for assigning plural identity addresses in sequence from a central management module to plural corresponding local management modules. A standby power is input to a current one of the local management modules. And the standby power tow... | 12/11/2008 |
| 20080252442 | WIRELESS REMOTE SENSOR An integrated circuit implements a wireless remote sensor. The wireless remote sensor includes an antenna coupled to an energy distribution unit to allow passive collection of electrical charge. A signal processing unit couples to the energy distribution unit and modula... | 10/16/2008 |
| 20080218351 | RFID TAG POWER CONSERVATION SYSTEM AND METHOD Active multi-modal RFID tags, illuminator/tag/reader systems, circuit architecture and operational algorithms for battery power conservation that extends tag battery life from a typical 6 months to >5 years. The inventive system is particularly useful in asset and pe... | 09/11/2008 |
| 20080169910 | Implementation of a wireless power transmitter and method Disclosed is a device for a particular purpose. The device includes a housing. A wireless power transmitter is connected to the housing. The wireless power transmitter sends wireless power. The particular purpose is something other than sending wireless power. A method ... | 07/17/2008 |
| 20080143487 | SYSTEM AND METHOD FOR ENABLING INTERRUPTS FOR RFID TAGS A system and method for enabling interrupts for RFID tags. An RFID tag is provided with an output signal that can notify another chip in a system, or another function within the same IC, that a read of the RFID's information has taken place. In one embodiment, the outpu... | 06/19/2008 |
| 20080136596 | PASSIVE TAG INCLUDING VOLATILE MEMORY A passive tag including a volatile memory is provided. The passive tag includes: a sensing unit which senses or measures information about environmental surroundings of the tag; a volatile memory; a non-volatile memory; and a control unit which firstly stores resultant ... | 06/12/2008 |
| 20080079550 | APPARATUS AND METHOD FOR PROVIDING POWER TO A RADIO FREQUENCY IDENTIFICATION (RFID) TAG USING A MICROSTRUCTURE POWER DEVICE, SUCH AS A MICROELECTROMECHANICAL STRUCTURE (MEMS)-BASED POWER DEVICE A radio frequency identification (RFID) tag is powered by a microstructure power device. The microstructure power device can be a microelectromechanical structure (MEMS)-based device that derives power from energy harvested from mechanical vibrations. The RFID tag havin... | 04/03/2008 |
| 20080042803 | ADJUSTING SIGNAL STRENGTH USED TO DETECT TAGS Provided are a method, system, and article of manufacture for adjusting signal strength used to detect tags. A signal is emitted at an initial power to activate electronically responsive tags. A response is received from one of the tags to the emitted signal. A determin... | 02/21/2008 |
