Patents
Sitemap › H04 - Electric communication technique › H04Q - Selecting › H04Q 5 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
Patents for H04Q 5 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange (6,717)
10/2005
10/13/2005US20050225436 Method and system to calibrate an oscillator within an RFID circuit responsive to a received update value
10/13/2005US20050225434 Method and system to generate modulator and demodulator clock signals within an RFID circuit utilizing a multi-oscillator architecture
10/13/2005US20050225433 Method and system to backscatter modulate a radio-frequency signal from an RFID tag in accordance with both an oscillation frequency signal and a command signal
10/13/2005US20050224585 Radio frequency identification of a connector by a patch panel or other similar structure
10/06/2005WO2005091889A2 Method and apparatus for improving the efficiency and accuracy of rfid systems
10/06/2005WO2005045755B1 Rfid tag with enhanced readability
10/06/2005US20050220426 Radio frequency identification for transfer of component information in fiber optic testing
10/06/2005US20050219039 Interrogation, monitoring and data exchange using RFID tags
10/06/2005US20050219038 Method and system for contactless data transmission
10/05/2005CN1677973A Data transmission method and apparatus in RFID and remote sensor systems
10/04/2005US6952157 System and method for concurrently addressing multiple radio frequency identification tags from a single reader
09/2005
09/29/2005US20050212661 Data transmission method and apparatus in RFID and remote sensor systems
09/29/2005US20050212660 Method and apparatus for improving the efficiency and accuracy of RFID systems
09/27/2005US6950009 Dual mode transmitter/receiver and decoder for RF transponder units
09/22/2005US20050206503 Active RFID tag utilizing a secondary communication mode
09/15/2005WO2005069869A3 Systems and methods for prioritizing antennas according to the proximity of an object
09/15/2005US20050200457 Inventory transport device with integrated RFID reader
09/15/2005DE102004007106A1 Schaltungsanordnung, insbesondere zur Verwendung in RF-Transpondern oder Remote Sensoren, sowie Verfahren zum Steuern einer Anzahl derartiger Transponder oder Sensoren Circuit arrangement, particularly for use in RF transponders or remote sensors, as well as methods for controlling a plurality of such transponders or sensors
08/2005
08/31/2005CN2722544Y Wireless amplification director
08/25/2005US20050186904 RFID-UHF integrated circuit
08/25/2005DE102004006446A1 Verfahren und Schaltungsanordnung zur drahtlosen Datenübertragung Method and circuit for wireless data transmission
08/23/2005US6933848 System and method for disabling data on radio frequency identification tags
08/18/2005US20050179521 Frequency hopping method for RFID tag
08/18/2005US20050179520 Method and circuit arrangement for holding a control state during inadequate power supply in an RF transponder or remote sensor
08/17/2005CN1655200A RF responder or circuit arrangement used in remote sensor and control method thereof
08/10/2005CN2717145Y Portable visible intercom
08/10/2005CN1652135A Method and circuit arrangement for wireless data transmission
08/04/2005WO2005069869A2 Systems and methods for prioritizing antennas according to the proximity of an object
08/04/2005US20050168324 Method and circuit arrangement for wireless data transmission
07/2005
07/28/2005US20050162256 Method and system for acquiring maintenance information by an RFID tag
07/21/2005WO2005048612B1 Configurable rfid system for multiple regulatory environments
07/20/2005EP1554828A2 Proximity-based automatic id code reconfiguration of wireless input/output systems
07/19/2005US6919802 Multi-layer method of accommodating code collisions from multiple surface acoustic wave identification tags
07/14/2005WO2005045755A3 Rfid tag with enhanced readability
07/13/2005EP1552710A2 Method for the efficient reading of a population of radio frequency identification tags with unique identification numbers over a noisy air channel
07/12/2005US6917291 Interrogation, monitoring and data exchange using RFID tags
06/2005
06/23/2005WO2005057794A2 Identification coding schemes for modulated reflectance systems
06/23/2005US20050134435 Semiconductor device and driving method thereof
06/23/2005US20050134434 Transponder in communication system
06/23/2005US20050134433 Remote identification of container contents by means of multiple radio frequency identification systems
06/22/2005CN1629883A 半导体器件及其驱动方法 Semiconductor device and method of driving
06/16/2005WO2005029389A3 Deep sleep in an rfid tag
06/16/2005US20050128055 Method and apparatus for resolving RFID-based object traffic transactions to a single container in the presence of a plurality of containers
06/15/2005EP1542371A1 Communication system response device
06/15/2005CN1627834A Implementation method of services of virtual small exchanger for combining mobile network and fixed network
06/10/2005CA2490015A1 Method and apparatus for resolving rfid-based object traffic transactions to a single container in the presence of a plurality of containers
06/09/2005WO2005052843A2 Automated preparation of radio-frequency devices for distribution
06/09/2005US20050121999 Selectable reflector arrays for saw sensors and identification devices
05/2005
05/26/2005WO2005048612A1 Configurable rfid system for multiple regulatory environments
05/26/2005WO2005048312A2 Dense-reader rfid system
05/26/2005WO2005048181A1 Rfid tag with enhanced readability
05/26/2005US20050110614 Identification coding schemes for modulated reflectance systems
05/26/2005US20050110613 Media holder having communication capabilities
05/26/2005CA2544792A1 Rfid tag with enhanced readability
05/25/2005EP0920740B1 Transponder communication device
05/19/2005WO2005045755A2 Rfid tag with enhanced readability
05/19/2005US20050104719 Networking applications for automated data collection
05/19/2005US20050104718 Automated preparation of radio-frequency devices for distribution
05/19/2005CA2544736A1 Rfid tag with enhanced readability
05/12/2005US20050099318 Radio frequency identification aiding the visually impaired with synchronous sound skins
05/12/2005US20050099270 RFID tags adjusting to different regulatory environments, and RFID readers to so adjust them and methods
05/12/2005US20050099269 Method and apparatus to configure an RFID system to be adaptable to a plurality of environmental conditions
05/12/2005US20050099268 Radio frequency identification system with privacy policy implementation based on device classification
05/05/2005US20050093679 Method and system of using active RFID tags to provide a reliable and secure RFID system
05/05/2005US20050093678 RFID tag with enhanced readability
05/05/2005US20050093677 RFID tag with enhanced readability
04/2005
04/28/2005US20050088284 Method and system of using a RFID reader network to provide a large operating area
04/27/2005CN2696243Y Amplified calling and intercom communication system
04/21/2005WO2005036325A2 System and method for setting up a universal remote control
04/21/2005US20050083179 Phase modulation in RF tag
04/20/2005CN2694678Y Building visible intercommunication apparatus
03/2005
03/31/2005WO2005029389A2 Deep sleep in an rfid tag
03/31/2005US20050068157 Arrangement and method for setting a transmit power
03/17/2005US20050057341 Deep sleep in an RFID tag
03/16/2005CN2686245Y Mode selecting device for visual intercom
03/16/2005CN2686244Y Video intercom with multiple personal ring sound selecting device
03/10/2005US20050052283 Method and apparatus for multiple frequency RFID tag architecture
03/03/2005WO2005020444A2 System and method for optimizing power usage in a radio frequency communication device
03/03/2005DE10336308A1 Verfahren zur Auswahl eines oder mehrerer Transponder A method for selecting one or more transponders
03/03/2005CA2532875A1 System and method for optimizing power usage in a radio frequency communication device
02/2005
02/16/2005CN1581202A Method for selecting one or more transponders
02/10/2005US20050030160 Multimode wireless local area network/radio frequency identification asset tag
02/10/2005US20050030159 Radio communication system and method, radio communication apparatus and method, and program
02/08/2005US6853294 Networking applications for automated data collection
02/03/2005US20050024187 System and method for optimizing power usage in a radio frequency communication device
02/03/2005US20050024186 Method for selecting one or more transponders
02/02/2005EP1503222A2 Method for selecting one or more transponders
02/02/2005CN1572885A 通信系统 Communication System
01/2005
01/27/2005WO2005008387A2 Multi-layer method of accommodating code collisions from multiple surface acoustic wave identification tags
01/27/2005US20050015970 Method, system, and apparatus for transfer of dies using a pin plate
01/27/2005CA2530929A1 Multi-layer method of accommodating code collisions from multiple surface acoustic wave identification tags
01/19/2005CN2673010Y Telephone device with intercommunication function
01/19/2005CN1568022A Entrance guard intercommunication system
01/13/2005WO2005004036A1 System and method for inventorying multiple remote objects
01/13/2005US20050009232 Method, system, and apparatus for transfer of dies using a die plate having die cavities
01/13/2005US20050007252 Method, system, and apparatus for authenticating devices during assembly
01/13/2005US20050007239 Magnetic field response measurement acquisition system
01/13/2005US20050007238 Multi-layer method of accommodating code collisions from multiple surface acoustic wave identification tags
01/13/2005US20050005434 Method, system, and apparatus for high volume transfer of dies
12/2004
12/23/2004WO2004112096A2 Method and system for high volume transfer of dies to substrates
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