Matches 1 - 50 out of 61 1 2 >


Match Document Document Title
US20120223817 Integrated Detection Point Passive RFID Tag Reader and Event Timing system and Method  
A tag reader system, method and timing system for determining a time of detection of a passive RFID tag relative to a detection line located along a route traveled by the RFID tag.
US20110181399 ENERGY HARVESTING WITH RFID TAGS  
RFID tags, such as those in boluses for ruminant animals, comprise RFID tags may be provided with energy harvesting (EH) capability so that they may collect energy from the environment, either...
US20110037572 METHOD FOR THE OPERATION OF A TRANSPONDER FOR RADIO FREQUENCY IDENTIFICATION (RFID) AND RFID TRANSPONDER  
The invention relates to a method for the operation of an RFID transponder, which is characterized by the fact that the RFID transponder is operated either in broadcast mode or in bidirectional...
US20060202804 Sleep command for active RF tags to prolong battery life  
Systems and methods are provided for prolong the life of power supplies (e.g., batteries) for RF transponders, such as RFID tags. The method includes receiving one or more RF signals, determining...
US20110298591 Methods and Apparatus for Switching A Transponder To an Active State, and Asset Management Systems Employing Same  
A transponder that may be used as an RFID tag includes a passive circuit to eliminate the need for an “always on” active RF receiving element to anticipate a wake-up signal for the balance of the...
US20110103312 Methods and Apparatus for Switching A Transponder To an Active State, and Asset Management Systems Employing Same  
A transponder that may be used as an RFID tag includes a passive circuit to eliminate the need for an “always on” active RF receiving element to anticipate a wake-up signal for the balance of the...
US20110316676 APPARATUS AND METHOD FOR MANAGING POWER-CONSTRAINED WIRELESS DEVICES  
A method of interrogating a set of tags with an interrogator is provided. The method includes defining a duration of a wake-up superframe that matches that of a wake-up cycle of the tags; defining...
US20130271268 CONTROL METHOD, CONTROLLED DEVICE, USER INTERACTION DEVICE AND COMPUTER PROGRAM PRODUCT  
A method for controlling a controlled device is disclosed, wherein the controlled device has a host connection to an RFID tag, the method comprising the following steps: (s1) the controlled device...
US20110248833 RFID SYSTEM  
An RFID system comprising: an RFID tag, an exciter, and an RFID reader. The RFID tag is an active RFID tag operating at an UHF band and being connected to an energy source for energizing the RFID...
US20070273484 Method of and reader for automatic synchronization of reader wakeup signals to radio tags  
A method for synchronizing wakeup signals transmitted by a plurality of readers to at least one radio tag includes monitoring, by a first reader, for a first wakeup signal transmitted by a second...
US20070273481 RFID tag with programmable read range  
A system and method in a radio frequency identification (RFID) tag for responding to RFID reader communication signals is described. A strength of a signal from a reader is measured. A RFID read...
US20090224890 ACTIVE RFID TAG  
An active RFID tag and a method using the same are disclosed, wherein the active RFID tag comprises: an RF signal detecting unit detecting a wake-up signal included in an RF signal; an RF...
US20080136603 LOW-POWERED RFID TAG AND METHOD OF EXPANDING LIFECYCLE OF RFID TAG  
A battery-powered RFID tag capable of reducing power consumption and a method of waking up the RFID tag are provided. The battery-powered RFID tag has an activated mode where a general command is...
US20070067422 Wireless system for activation by wireless  
A wireless system realizes a WOL by including layers for switching security systems with a security level enhanced. The wireless system for activating a terminal through a radio base station from...
US20110047015 NETWORK FORMATION IN ASSET-TRACKING SYSTEM BASED ON ASSET CLASS  
A plurality of wireless transceivers are associated with assets and each transceiver is assigned a class designation representative of an attribute, characteristic, relation, or behavior of its...
US20050046546 Passive keyless entry device  
A passive keyless entry device includes a fixed unit and a portable unit. A signal receiving section of the portable unit includes three antennas for receiving a signal which is wirelessly...
US20150145651 RFID TRANSPONDER AND METHOD FOR OPERATING THE SAME  
An RFID transponder having an analog front end receiver having an attenuator coupled to receive an RF-signal from an antenna and to attenuate the RF-signal, an amplifier having a fixed amplifier...
US20100134258 Method and System of Utilizing RFID Tags for Jointly Processing Task  
A method of utilizing RFID tags for jointly processing a task and an associated system are provided. The method includes causing a plurality of RFID tags to enter a ready state, causing the RFID...
US20070205873 METHODS AND APPARATUS FOR SWITCHING A TRANSPONDER TO AN ACTIVE STATE, AND ASSET MANAGEMENT SYSTEMS EMPLOYING SAME  
A transponder that may be used as an RFID tag includes a passive circuit to eliminate the need for an “always on” active RF receiving element to anticipate a wake-up signal for the balance of the...
US20140043146 SYSTEM, METHODS AND APPARATUS FOR WAKING AN AUTONOMOUS ACTIVE IMPLANTABLE MEDICAL DEVICE COMMUNICATING BY PULSES TRANSMITTED THROUGH THE INTERSTITIAL TISSUES OF THE BODY  
Systems, methods, and devices for activating an implantable medical device from a low-power sleep state are provided. One method includes receiving a wake-up signal at a receiver device from a...
US20090231138 RFID Technology  
A method of selectively waking up a plurality of RFID tags includes (a) providing a first RFID tag; (b) programming the first RFID tag to respond and wake up only to signals at a first sub-carrier...
US20100141400 LOWER POWER DISCOVERY AND WAKE UP USING SERVICE SET IDENTIFIER PROBABILISTIC SCANNING SYNCHRONIZATION VERIFICATION AND OPTIONAL SENSOR  
Processes to achieve low power discovery and wake-up in the presence of desired 802.11 coverage are disclosed. In one aspect, probabilistic scanning for 802.11 SSID triggers is provided. In...
US20080061943 RFID systems and methods of operating the same in power-saving modes  
A method of operating an RFID system and an RFID system in a power-saving mode are disclosed. In one embodiment, the system comprises at least one reader and at least one tag. The at least one...
US20090079548 Microwave control system  
A microwave control system is applied to control a working system to execute at least one predetermined assignment, and comprises a microwave control unit, a control card and a passive control...
US20110304442 RECOGNIZING TIRE SENSOR LOCATION IN FACTORY MODE FOR TPMS AND SMART ENTRY SYSTEM  
A method for localizing tire sensors includes determining a wake up field power, transmitting an LF wake up field having the wake up field power from an LF antenna on the vehicle, receiving an...
US20070080788 System and method for slaves in a master-slave wireless network to dynamically develop affinity to a time slot  
A method to dynamically schedule communication between a master and slaves in a variable slave population in a master-slave wireless network. The method includes receiving a first interrogation...
US20080224873 APPARATUS AND METHOD FOR DETECTING WAKE-UP BURST OF ACTIVE RFID TAG  
An apparatus and method for detecting a wake-up burst of an active RFID tag are provided. The apparatus and method, for detecting the wake-up burst of the active RFID tag, are capable of reducing...
US20110025506 REMOTE COMMUNICATION DEVICES, RADIO FREQUENCY IDENTIFICATION DEVICES, WIRELESS COMMUNICATION SYSTEMS, WIRELESS COMMUNICATION METHODS, RADIO FREQUENCY IDENTIFICATION DEVICE COMMUNICATION METHODS, AND METHODS OF FORMING A REMOTE COMMUNICATION DEVICE  
Remote communication devices, radio frequency identification devices, wireless communication systems, wireless communication methods, radio frequency identification device communication methods,...
US20070159331 System and method for saving battery power prior to deploying an asset tag  
A system and method for locating assets within an area, each asset having a wireless circuit configured for low power consumption, the method comprising. The method including the steps of...
US20080297324 METHODS AND SYSTEMS OF RECEIVING DATA PAYLOAD OF RFID TAGS  
Methods and systems of receiving data payload of RFID tags. At least some of the illustrative embodiments are methods comprising selecting (by each of a plurality of radio frequency identification...
US20110084815 DEVICE AND METHOD FOR ACTIVATING A COMMUNICATION UNIT  
A communication system with a plurality of devices with a communication unit (CU1) arranged to communicate on a first wireless communication channel (CH1), e.g. GSM, in an active mode. Otherwise,...
US20140062671 LOW POWER RADIO FREQUENCY COMMUNICATION  
A method, system and tag for low power radio frequency communication is described. In one embodiment, the RF tag comprises: an energy harvesting unit operable to convert incident RF energy to...
US20070037567 Information transmission method and apparatus  
A method and an apparatus are provided for transmitting information between a monitor and a remote computer. The monitor comprises a sensor coupled to a memory for logging data output by the...
US20060022802 Radio frequency identification-based power management system and method for wireless communication devices  
A wireless communication system implements various RFID-based methods for wireless communication devices and wireless network infrastructures. The communication system includes an RFID tag and a...
US20130009755 RFID ANTENNA SYSTEM AND METHOD FOR CONTROLLING THE SAME  
The present disclosure relates to an antenna system, and more particularly, to an RFID antenna system capable of improving a tag recognition rate of a shelf antenna system by generating energy of...
US20080048836 ELECTROMEDICAL IMPLANT  
An implantable medical device having a transceiver for transmitting/receiving wirelessly transmitted data, which is turned off or switched into an energy-saving rest state between individual data...
US20140062672 LOW POWER RADIO FREQUENCY COMMUNICATION  
A method, system and tag for low power radio frequency communication is described. In one embodiment, the RF tag comprises: an access point coupled to provide access to a network; an RF tag...
US20110090063 APPARATUS AND METHOD USING HISTOGRAM-BASED TECHNIQUES FOR AVOIDING OVERPOLLING  
A device including an RF transceiver coupled to receive signals from an antenna; and a micro-controller coupled to the RF transceiver periodically scanning for a wakeup signal and measuring a...
US20050237160 Reducing false wake-up in a low frequency transponder  
A bidirectional remote keyless entry (RKE) transponder comprises an analog front-end (AFE) having a programmable wake-up filter that predefines the waveform timing of the desired input signal,...
US20060049916 Communication device and portable electronic instrument providing this communication device  
A disclosed communication device includes a controller that outputs a signal; an antenna that transmits a radio wave which corresponds to the signal output from the controller and also outputs a...
US20070176748 Method and Device for Radiofrequency Communication  
The invention concerns a method and a device for radiofrequency (RF) communication. According to the method, a communication can be set up between a reader (12) and an RF device (10) at least over...
US20100141399 METHOD OF SENSOR CLUSTER PROCESSING FOR A COMMUNICATION DEVICE  
A sensor enhanced communication device (200) is provided with a wake mode, a standby mode and sleep mode. The sleep mode is a periodic occurrence within the standby mode which places a cluster of...
US20070066278 MOBILE COMMUNICATION TERMINAL INCLUDING RFID READER AND TRANSCEPTION METHOD THEREOF  
A mobile communication terminal including a Radio Frequency Identification (RFID) reader includes a base band unit for controlling communications, a Radio Frequency (RF) unit for transceiving a...
US20070080824 Short range wireless tracking and event notification system for portable devices  
A method and system for tracking a portable device. A tracking system includes a portable device, a first Radio Frequency (RF) module, and a second RF module. The first Radio Frequency (RF) module...
US20080068128 Keyless passive entry system  
A vehicle-based communication system for a vehicle includes a vehicle-based electronic control unit disposed within an interior structure of the vehicle for passively controlling entry to the...
US20090096586 Radiofrequency Tracking and Communication Device and Method for Operating the Same  
A radio is defined in electrical communication with a processor on an integrated circuit chip. The radio is defined to operate at an international frequency, and is defined to be powered on and...
US20110080269 TRANSCEIVER  
A transceiver comprising a transmit pin configured to receive a signal from a microcontroller, a receive pin configured to transmit a signal to a microcontroller and a bus pin configured to...
US20070205872 LOW-POWER WIRELESS COMMUNICATION APPARATUS AND METHOD  
Provided is a low-power wireless communication apparatus and method. In the apparatus, a low-noise amplifier amplifies an RF signal in an on state, the low-noise amplifier be turned on/off...
US20090295546 METHOD AND APPARATUS FOR PERFORMING WIRELESS SENSOR NETWORK COMMUNICATING SELECTIVELY USING INFRARED AND RADIO FREQUENCY COMMUNICATION  
A wireless sensor network communication apparatus and method selectively using infrared and radio frequency communication. The wireless sensor network communication apparatus includes a first...
US20080186146 METHOD AND SYSTEM FOR MANAGING COMMUNICATIONS BETWEEN SUB-SYSTEMS OF A COMMUNICATION DEVICE  
A method and system for managing communications between sub-systems of a communication device. The sub-systems include a Radio Frequency Integrated Circuit (RFIC) and a Baseband Integrated Circuit...

Matches 1 - 50 out of 61 1 2 >