Patents
Patents for H04Q 5 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange (6,717)
05/2009
05/28/2009US20090134976 Apparatus and method for processing data in transmitting and receiving end of rfid system
05/28/2009US20090134975 Tag estimation method and tag identification method for rfid system
05/28/2009US20090134974 Apparatus and method for managing radio frequency indentification reader
05/27/2009CN101443824A RFID tag data retention verification and refresh
05/27/2009CN101442690A Detection method and apparatus capable of saving power consumption of communication apparatus
05/27/2009CN101442689A Active emission system for road information and emitter thereof
05/26/2009US7538679 RFID tag test antenna with two ports that excite perpendicular modes
05/26/2009US7538677 Contactless data communication system, contactless identification tag and contactless identification tag control program
05/26/2009US7538658 Method in a radio frequency addressable sensor for communicating sensor data to a wireless sensor reader
05/26/2009US7538657 Radio frequency identification based sensor
05/26/2009US7538656 Radio frequency identification based sensor
05/26/2009US7537166 Portable data reading device with integrated web server for configuration and data extraction
05/22/2009WO2009064611A1 Rfid based identification device
05/21/2009US20090128301 Method of controlling device using radio frequency identification and apparatus therefor
05/21/2009US20090128299 Apparatus and method of rfid frequency encoding
05/21/2009US20090128298 Method and system for locating sensor node in sensor network using transmit power control
05/21/2009US20090128297 Rfid tag and method for manufacturing the same
05/21/2009US20090128296 Terminal having radio frequency function and method of processing information of the terminal
05/21/2009US20090128294 Data streaming apparatus for radio frequency identification tag
05/21/2009US20090128292 Rfid device time synchronization from a public source
05/21/2009US20090128289 Methods for coupling an RFID chip to an antenna
05/21/2009US20090126424 Shipping container security system including rf door alarm module
05/20/2009CN100490247C Mobile telephone comprising a multi-band antenna
05/19/2009US7536155 Wireless communication device interconnectivity
05/19/2009US7535339 Radio frequency identification based sensor reader
05/19/2009US7535338 Wireless synchronized operation of pulsed EAS systems
05/14/2009US20090125394 Wireless communications device as in-store assistant
05/14/2009US20090122986 Systems and methods for preventing transmitted cryptographic parameters from compromising privacy
05/14/2009US20090122350 Radio Frequency Identification Printing Device
05/14/2009US20090121875 Method and system for locating a dependent
05/14/2009US20090121844 Sampling intermediate radio frequencies
05/14/2009US20090121843 METHOD AND SYSTEMS FOR LOCALIZING OBJECTS USING PASSIVE RFID TAGs
05/14/2009US20090121842 Method and Apparatus for Operating AC Powered Appliances Via Video Interphones, Two Way IR Drivers and Remote Control Devices
05/14/2009US20090121841 Screening transmissions for power level and object identifier in asset monitoring and tracking systems
05/14/2009US20090121840 Method and apparatus for locating tires using rfid
05/14/2009US20090121839 Wireless identification system using a directed-energy device as a tag reader
05/14/2009US20090121838 Smart Connector System For Surgical Machine
05/14/2009US20090121837 Sensor tag, sensor tag device, power receiving circuit, and sensor tag device power supply method
05/14/2009US20090121836 Systems and Methods for Determining Identity and Personal Assistance
05/14/2009US20090121835 Communications Device, Apparatus and System
05/14/2009US20090120136 Laundry Machine System For Enhanced Process Automation And Control
05/13/2009CN201238365Y Two/four-wire converting circuit in security intercommunication system
05/13/2009CN201238364Y Wireless buildings intercommunication control device and short distance wireless transceiver embedded in the same
05/13/2009CN201238321Y Double-panel structure of ladder entrance machine with anti-detaching function
05/13/2009CN201237805Y Door guard robot
05/07/2009WO2007070188A3 Rfid tag with embedded internet address
05/07/2009WO2007039835A3 Radio tag and system
05/07/2009US20090117883 Transaction system for business and social networking
05/07/2009US20090115582 Apparatus for recognizing radio frequency identification (rfid) and method thereof, and data processing method of rfid
05/07/2009US20090115581 Radio frequency identification device with visual indicator
05/07/2009US20090115580 Rfid systems and methods employing infrared localization
05/07/2009US20090115579 Signal processing apparatus for receiving rfid signal and method thereof
05/07/2009US20090115578 Radio frequency animal tracking system
05/07/2009US20090115577 Rfid tag
05/07/2009US20090115576 Efficient Variable Format Data Encodation in RFID Tags and Other Media
05/07/2009US20090115575 Apparatus, system for storing data, and method for accessing data directory
05/07/2009US20090115574 Radio frequency identificaiton tag
05/07/2009US20090115573 Rfid enabled system and method using combination of rfid enabled objects
05/06/2009CN201234327Y Talk-back device having video camera function
05/06/2009CN101426048A Building type wireless message leaving door bell based on ADPCM voice compression code
05/05/2009US7528699 Transponder in communication system
05/05/2009US7528698 Multiple antenna energy harvesting
05/05/2009US7528696 Determining the three-dimensional read accuracy of an RFID tag using a power scaling factor
04/2009
04/30/2009WO2009055540A2 Network-centric processing
04/30/2009WO2007027297A3 Data-defined communication device
04/30/2009WO2006116012A3 Combined rfid reader and rf transceiver
04/30/2009US20090113028 Network-centric processing
04/30/2009US20090111438 Streamlined method and system for broadcasting spontaneous invitations to social events
04/30/2009US20090109005 Wireless Damage Location Sensing System
04/30/2009US20090109004 System, article and method for tracking an inventory
04/30/2009US20090109002 Assembly comprising a functional device and a resonator and method of making same
04/30/2009US20090109001 Wireless IC tag, wireless IC tag system and operation method for wireless IC tag
04/30/2009US20090109000 Rfid tag and manufacturing method thereof
04/30/2009US20090108999 Transponder-based appratus for space-time identification and location
04/30/2009US20090108998 Automatic reporting of configuration of a remote unit
04/30/2009US20090108995 Equipment Mounting Systems and Methods for Identifying Equipment
04/30/2009US20090108994 Two sided thermal rfid
04/30/2009US20090108993 Rfid tags with modifiable operating parameters
04/30/2009US20090108992 Technique And Hardware For Communicating With Backscatter Radio Frequency Identification Readers
04/29/2009EP1994512A4 Rfid tag data retention verification and refresh
04/29/2009EP1815411A4 System and method for authenticating a rf transaction using a radio frequency identification device including a transactions counter
04/29/2009CN201230342Y Wireless real-time bi-directional intercom apparatus
04/29/2009CN201229461Y Multifunction video-audio collecting device for police
04/28/2009US7525436 Methods and apparatus for reducing power consumption of an active transponder
04/28/2009US7525413 Apparatus supporting active and passive telecommunication, and control method thereof
04/23/2009WO2008001309A3 Low-frequency tag system and method
04/23/2009WO2007148287A3 Long wave wireless pair-wise linkage using an embedded visibility network
04/23/2009WO2007027220A3 System and method for rfid reader to reader communication
04/23/2009WO2006035430A3 A system and a method for improving the performance of rfid systems
04/23/2009US20090102638 System, Method, and Apparatus For Capturing Telematics Data With An Active RFID Tag
04/23/2009US20090102615 Portable-terminal holder and radio communication system
04/23/2009US20090102614 Wireless Communication Tag and Wireless Communication System
04/23/2009US20090102612 Rfid record and verification system and method of use for patient undergoing radiation therapy
04/23/2009US20090102611 Wireless disposable physiological sensor
04/23/2009US20090102610 Rfid antenna selection system and method
04/23/2009US20090102609 Applications for radio frequency identification systems
04/23/2009US20090102608 Vehicle Comprising at Least One Assembled Entity and Use of a Measurement System
04/23/2009US20090102607 Automatic tuning reader
04/23/2009US20090102606 Tag authentication method using rotation, and tag and reader performing the method
04/22/2009CN201226579Y Electroacoustics transmission tester for building intercommunication system
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