Telephone line or system combined with diverse electrical system or signalling (e.g., composite) > Having transmission of a digital message signal over a telephone line > Patents

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Class Information
Number: 379/93.01
Name: Telephonic communications > Telephone line or system combined with diverse electrical system or signalling (e.g., composite) > Having transmission of a digital message signal over a telephone line
Description: Subject matter for transfer of message information by either a multi-level pulse signal or a data signal consisting of a series of ones and zeros, over a line specifically described as a telephone line.

Sub-classes under this class:

Class Number	Class Name	Patents
379/93.02	Access restricting	252
379/93.13	Amusement (e.g., game, lottery)	92
379/93.26	By voice frequency signal (e.g., tone code)	160
379/93.17	Having station display	401
379/93.14	Having switching station	262
379/93.12	Sales, ordering, or banking system	257
379/93.09	Switching between different terminal types (e.g., voice/data switch)	402
379/93.05	Terminal interface circuitry	425
379/93.08	Transmission scheme (e.g., compression/decompression, transmission rate)	289

Patents under this class:

1 2 3 4 5 6 7 8 9

Patent Number	Title Of Patent	Date Issued
6754236	System and method for dialing in a telephony system using a common channel signaling protocol in which the use of bearer channels is maximized	Jun. 22, 2004
6748078	System and method for allocating overhead voltage in the transmission of pots and XDSL signals	Jun. 8, 2004
6747995	System for multiple voice lines with data over a single subscriber loop	Jun. 8, 2004
6738643	Phone sync	May. 18, 2004
6731653	Method and apparatus for handling multiple data subscribers at a central site	May. 4, 2004
6728534	RADIO COMMUNICATION APPARATUS, HAVING COMBINED FUNCTIONS SUCH AS TERMINAL ADAPTER, DIGITAL RADIO COMMUNICATION APPARATUS, FACSIMILE COMMUNICATION APPARATUS AND SO ON, FOR BEING CONNECTED TO A	Apr. 27, 2004
6724869	Multimodal telephone numbers	Apr. 20, 2004
6718367	Filter for modeling system and method for handling and routing of text-based asynchronous communications	Apr. 6, 2004
6714590	Integrated modem and line-isolation circuitry and associated method	Mar. 30, 2004
6694016	Odd-order low-pass POTS device microfilter	Feb. 17, 2004
6687261	Multiple channel system for a twisted pair telephone wire local loop system	Feb. 3, 2004
6678266	ACD with packet data based agent interconnect	Jan. 13, 2004
6675194	Handling different communications types by using agents to implement communication goal commands	Jan. 6, 2004
6674843	Apparatus system and method for enabling multi-frequency communication over a telephone network having a billing/tax tone	Jan. 6, 2004
6665376	Selectively activated integrated real-time recording of telephone conversations with automated documentation of consent to call recording	Dec. 16, 2003
6661880	System and method for embedding digital information in a dial tone signal	Dec. 9, 2003
6658253	Method of providing services to a mobile station in visited networks	Dec. 2, 2003
6658095	Customized presence information delivery	Dec. 2, 2003
6647116	Current sensing circuit and ADSL interface circuit	Nov. 11, 2003
6647098	System and device for communications	Nov. 11, 2003
6643361	System and method for storing and transferring information tokens in a communication network	Nov. 4, 2003
6636519	Network access method and network access server therefor	Oct. 21, 2003
6633639	Telephone switch configuration detector	Oct. 14, 2003
6629131	Registration mail system with a sent e-mail check function on internet and method for the same	Sep. 30, 2003
6628771	Distinctive call waiting alert and management device	Sep. 30, 2003
6594255	PBX with short messaging service on a telephone display	Jul. 15, 2003
6590904	Two wire, sub-rate 2B1Q ISDN architecture	Jul. 8, 2003
6591291	System and method for providing anonymous remailing and filtering of electronic mail	Jul. 8, 2003
6587560	Low voltage circuits powered by the phone line	Jul. 1, 2003
6584122	Method and system for providing voice and data service	Jun. 24, 2003
6580788	System and method for identifying modem connections in a telephone network	Jun. 17, 2003
6570979	Compatibility server with in-supported telephone number portablility	May. 27, 2003
6567848	System for coordinating communication between a terminal requesting connection with another terminal while both terminals accessing one of a plurality of servers under the management of a disp	May. 20, 2003
6567519	System and method for processing an input signal communicated on a telephone line	May. 20, 2003
6567463	Method and system for detecting analog and ADPCM links in a communication channel	May. 20, 2003
6563864	Residential power cutback for splitterless DSL operation	May. 13, 2003
6553103	Communication macro composer	Apr. 22, 2003
6546100	Load coil device	Apr. 8, 2003
6542585	Distributed splitter for data transmission over twisted wire pairs	Apr. 1, 2003
6542465	Method for flow control in asymmetric digital subscriber line devices	Apr. 1, 2003
6529586	System and method for gathering, personalized rendering, and secure telephonic transmission of audio data	Mar. 4, 2003
6520744	Method and apparatus for improving performance of a splitterless asymmetric digital subscriber line (ADSL)	Feb. 18, 2003
6519326	Telephone voice-ringing using a transmitted voice announcement	Feb. 11, 2003
6515984	Data/voice/fax compression multiplexer	Feb. 4, 2003
6512448	Multilingual wireless messaging system	Jan. 28, 2003
6512818	Method and system for releasing a voice response unit from a protocol session	Jan. 28, 2003
6504917	Call path display telephone system and method	Jan. 7, 2003
6493771	Method of sharing a communication port	Dec. 10, 2002
6483903	Splitterless ethernet DSL on subscriber loops	Nov. 19, 2002
6480581	Internet/telephone adapter device and method	Nov. 12, 2002