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Class Information
Number: 370/449
Name: Multiplex communications > Channel assignment techniques > Polling
Description: Subject matter in which individual terminals are queried to determine if access to the transmission medium is needed for the transfer of information.










Sub-classes under this class:

Class Number Class Name Patents
370/450 Passing a signal identifying the idle or busy state of a channel (e.g., token passing) 255


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
6505264 Information transmitting apparatus and method, information receiving apparatus and method, and information transmitting/receiving apparatus and method Jan. 7, 2003
6490297 System and method for automatic signaling channel identification Dec. 3, 2002
6487172 Packet network route selection method and apparatus using a bidding algorithm Nov. 26, 2002
6480505 Batched fair exhaustive polling scheduler Nov. 12, 2002
6480473 Verification of active nodes in an open network Nov. 12, 2002
6449663 Method and apparatus for adjusting an interval of polling a network printer based on changes in working status of the network printer Sep. 10, 2002
6430163 Allocation of control channel in packet radio network Aug. 6, 2002
6414964 Method and apparatus for performing a multipoint polling protocol which employs silence intervals for controlling circuit operation Jul. 2, 2002
6414965 Data communication apparatus Jul. 2, 2002
6400726 Allocation to a plurality of elements of authorizations for access to a shared resource Jun. 4, 2002
6396845 Hierarchically interconnected routers for exclusively polling low activity network nodes to reduce polling traffic May. 28, 2002
6384712 Apparatus, system, and method for communication between multiple base stations and radio frequency (RF) tags May. 7, 2002
6373851 Ethernet based network to control electronic devices Apr. 16, 2002
6363051 Method and apparatus for achieving fast reconnection of permanent virtal channels in a frame relay network Mar. 26, 2002
6356557 Hot insertable UTOPIA interface with automatic protection switching for backplane applications Mar. 12, 2002
6353612 Probing device Mar. 5, 2002
6351468 Communications protocol in a wireless personal area network Feb. 26, 2002
6333936 Method and apparatus for allocating processing resources Dec. 25, 2001
6330245 Hub system with ring arbitration Dec. 11, 2001
6317234 Communications network Nov. 13, 2001
6301239 Distributed packet communication network Oct. 9, 2001
6298066 Single wire bus interface for multidrop applications Oct. 2, 2001
6292472 Reduced polling in an SNMPv1-managed network Sep. 18, 2001
6282183 Method for authorizing couplings between devices in a capability addressable network Aug. 28, 2001
6275500 Method and apparatus for dynamic control of talk groups in a wireless network Aug. 14, 2001
6252865 Methods and apparatuses for fast power control of signals transmitted on a multiple access channel Jun. 26, 2001
6236650 Transmission medium sharing utilizing service messages and random ballot, and method, device and systems utilizing same May. 22, 2001
6229807 Process of monitoring the activity status of terminals in a digital communication system May. 8, 2001
6222849 Designating a control channel in a telecommunications system Apr. 24, 2001
6212196 Multiple access communication system and method for multiple access communication Apr. 3, 2001
6201790 Network access control method, and device and system for implementing this method Mar. 13, 2001
6199068 Mapping interface for a distributed server to translate between dissimilar file formats Mar. 6, 2001
6198727 Method and apparatus for providing 10Base-T/100Base-TX link assurance Mar. 6, 2001
6195362 Resource pooling system and method in communication systems Feb. 27, 2001
6173323 Adaptive polling rate algorithm for SNMP-based network monitoring Jan. 9, 2001
6151330 Electric power supply management system Nov. 21, 2000
6148002 Shared auto-negotiation logic for multiple port network devices Nov. 14, 2000
6141351 Radio frequency bus for broadband microprocessor communications Oct. 31, 2000
6122267 Methods, devices and system for transmission of digital data Sep. 19, 2000
6122285 Data transfer method using ring connection and information processing system using ring connection Sep. 19, 2000
6114968 Hybrid contention/polling access method Sep. 5, 2000
6111887 Method and apparatus for power tuning a terminal of a bi-directional communications system Aug. 29, 2000
6111889 Master-slave data communication system Aug. 29, 2000
6091741 Radio packet communication system capable of avoiding transmission collision Jul. 18, 2000
6075794 Method for coordinating inbound channels in a selective call communication system Jun. 13, 2000
6061344 Method of addressing messages and communications system May. 9, 2000
6052377 Access control method in communication system Apr. 18, 2000
6049549 Adaptive media control Apr. 11, 2000
6047322 Method and apparatus for quality of service management Apr. 4, 2000
6038234 Early arbitration on a full duplex bus Mar. 14, 2000

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