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Class Information
Number: 370/296
Name: Multiplex communications > Duplex > Convertible to half duplex
Description: Subject matter wherein the transmission and reception of signals occur alternately rather than substantially simultaneously, but where the circuitry is convertible to full duplex operation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7626955 |
System and method for providing a fast and optimized uplink and downlink scheduling algorithm for use in FDD communication systems with half-duplex stations |
Dec. 1, 2009 |
| 7626954 |
Communication apparatus and control method thereof |
Dec. 1, 2009 |
| 7593392 |
Method and apparatus for providing asynchronous audio messaging |
Sep. 22, 2009 |
| 7580344 |
Home phone line networking enhancements for multiple dwelling unit environments |
Aug. 25, 2009 |
| 7577420 |
Instant help security system for emergency help using 2G, 2.5G and 3G cellular wirelesses half duplex call |
Aug. 18, 2009 |
| 7561528 |
System and method for changing duration of talk burst control timer |
Jul. 14, 2009 |
| 7486630 |
Module for distributed network repeater |
Feb. 3, 2009 |
| 7480263 |
Method and device for bi-directional half duplex transmission of data |
Jan. 20, 2009 |
| 7447168 |
System and method for auto-negotiation in a data communication device |
Nov. 4, 2008 |
| 7447202 |
Method and system for optimized reliable non-member group communication through write-only membership |
Nov. 4, 2008 |
| 7437170 |
System and method for efficient push-to-talk communications |
Oct. 14, 2008 |
| 7420938 |
Finding duplex mismatches in copper based networks |
Sep. 2, 2008 |
| 7417960 |
Communication apparatus, communication system, communication method and program |
Aug. 26, 2008 |
| 7342884 |
Method and apparatus for one directional communications in bidirectional communications channel |
Mar. 11, 2008 |
| 7313103 |
Method and apparatus for interactive communication between half-duplex and full-duplex systems |
Dec. 25, 2007 |
| 7280593 |
Method and system for sample and reconstruction synchronization for digital transmission of analog modem signal |
Oct. 9, 2007 |
| 7280807 |
Initiator device capable of two-way half-duplex communication with multiple recipient devices |
Oct. 9, 2007 |
| 7269141 |
Duplex aware adaptive playout method and communications device |
Sep. 11, 2007 |
| 7257125 |
Quality of service half-duplex media access controller |
Aug. 14, 2007 |
| 7230930 |
Mode shifting communications system and method |
Jun. 12, 2007 |
| 7203509 |
Method for managing communication sessions |
Apr. 10, 2007 |
| 7177598 |
Method and system for reducing channel interference in a frame-synchronized wireless communication system |
Feb. 13, 2007 |
| 7139250 |
Advanced ethernet auto negotiation |
Nov. 21, 2006 |
| 7130282 |
Communication device for providing multimedia in a group communication network |
Oct. 31, 2006 |
| 6987444 |
Power line communications method |
Jan. 17, 2006 |
| 6973044 |
Efficient method for collecting statistics via a half-duplex serial bus |
Dec. 6, 2005 |
| 6938086 |
Auto-detection of duplex mismatch on an ethernet |
Aug. 30, 2005 |
| 6804205 |
Method and apparatus for transmitting packet for synchronization using half duplex transmission medium |
Oct. 12, 2004 |
| 6788653 |
Digital signal transmission method digital signal transmission system, digital signal transmitting apparatus and recording medium |
Sep. 7, 2004 |
| 6775249 |
Connection handling in communications networks |
Aug. 10, 2004 |
| 6738359 |
Communication format control method and apparatus |
May. 18, 2004 |
| 6665275 |
Network device including automatic detection of duplex mismatch |
Dec. 16, 2003 |
| 6600727 |
Distributed network repeater system |
Jul. 29, 2003 |
| 6580697 |
Advanced ethernet auto negotiation |
Jun. 17, 2003 |
| 6563804 |
System and method for providing full-duplex audio communication using a half-duplex audio circuit |
May. 13, 2003 |
| 6469988 |
Low-level circuit implementation of signal flow graphs for real-time signal processing of high-speed digital signals |
Oct. 22, 2002 |
| 6470035 |
Receiver for receiver a signal transmitted by a time-division multi-access method |
Oct. 22, 2002 |
| 6466551 |
Simplex/duplex switching system |
Oct. 15, 2002 |
| 6366567 |
Automatic detection of full or half duplex capability in a remote network device |
Apr. 2, 2002 |
| 6292509 |
Data-communication apparatus and method for modulation or demodulation in specified mode |
Sep. 18, 2001 |
| 6192028 |
Method and apparatus providing programmable thresholds for half-duplex flow control in a network switch |
Feb. 20, 2001 |
| 6172965 |
Duplex transmission scheme |
Jan. 9, 2001 |
| 6169729 |
200 Mbps PHY/MAC apparatus and method |
Jan. 2, 2001 |
| 6111860 |
Communication interface system for half duplex digital radios |
Aug. 29, 2000 |
| 6088339 |
Apparatus and method for programming a hearing aid using a serial bidirectional transmission method and varying clock pulses |
Jul. 11, 2000 |
| 6069556 |
Interface device bi-directional connection of currents carrying low voltage/radiofrequency |
May. 30, 2000 |
| 6065038 |
Method and apparatus for transmitting data at different data transfer rates using multiple interconnected hubs |
May. 16, 2000 |
| 6031825 |
Infrared audio link in mobile phone |
Feb. 29, 2000 |
| 6009323 |
Method of placing a call in a two-way radio communication system |
Dec. 28, 1999 |
| 5982755 |
System and method for providing high terminal coupling loss in a handsfree terminal |
Nov. 9, 1999 |
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