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Class 379/29.11 - Having telephone maintenance termination unit (e.g., MTU)


Subclass of Class 379 - Telephonic communications
Definition: Subject matter includes a diagnostic circuit device placed
No. of patents: 23
Last issue date: 11/27/2007


NumberTitleIssue Date
7301894Method for providing fault tolerance in an XDSL system
An XDSL system may include an active unit and a standby unit. The active unit may include a plurality of line circuits, which can be used to form XDSL loops with far end units. The standby unit may be synchronized with the active unit. In response to an indication, ...
11/27/2007
7298828Automated telephone line test apparatus with intelligent diagnostic function
A portable, automated telephone line test device includes a test module which applies test signals to a telephone line to be tested and detects electrical characteristics of the telephone line, and a user interface module. The user interface module includes a microp...
11/20/2007
7298829Communications devices including test circuits and related circuits and methods
A communications device can include first and second input terminals configured to provide coupling with respective first and second conductors of a communications line, and first and second signal conductors respectively coupled with the first and second input term...
11/20/2007
7295655Systems and methods for determining the status of telephone lines
Systems and methods for detecting a status of a telephone line. Some of the systems include a telecommunications system which comprises a dial tone tester integrated with a demarcation device. Such dial tone testers can include a visual device or an audible device i...
11/13/2007
7239687Telecommunications
When delivering a broadband service, such as xDSL, without inband POTS, it is necessary to separate the analogue POTS signal and the xDSL signal from each other at both the CO (Central Office) and the CP (Customer's Premises). This can be achieved by using an active...
07/03/2007
7200206Method and apparatus for testing a subscriber loop-based service
A network interface device is positioned between a subscriber loop and the internal wiring of a subscriber's premise. Operational and performance data is captured and stored in memory for later use and analysis. Commands issued to the network interface device select...
04/03/2007
7123692Craft menu system using caller ID functionality for installation and testing
A craft menu system, in a presently preferred embodiment, includes a network terminal like an ONT, having a processor and memory and multiple data ports, configurably coupled to a DTMF telephony (e.g., BUTT) test set for installation and testing. The installation, r...
10/17/2006
7076030Method and system for testing XDSL wiring
In an XDSL system, a network interface device can connect between a central office and a customer premises. The network interface device can monitor for an indication to enter a test mode. In the test mode, the network interface device can provide a test signal to t...
07/11/2006
7072385Load coil and DSL repeater including same
Systems and methods are disclosed for improving DSL performance, including ADSL and VDSL performance, over a local loop between a telephone company central office and a customer premises. In particular, a DSL repeater is coupled to the local loop and amplifies downs...
07/04/2006
7039685Method and apparatus for conducting subscriber's phone testing remotely via the internet
An apparatus for and method of remotely controlling electronic devices, such as telecommunication equipment attached to telephone lines, test equipment, and/or home electronics includes a master board (105) having its own IP address and arranged and construct...
05/02/2006
7016474Reduced cost digital subscriber line (DSL) interface arrangement
Improved arrangement for interfacing between a Digital Subscriber Line (DSL), and a telephone network and data network. A Low-Pass Filter is mounted together with a POTS (Plain Old Telephone Service) interface circuit to reduce the number of connections to a Main Di...
03/21/2006
7006445Device and method for determining characteristics of a digital subscriber line
A method for determining the suitability of a copper line, used for transmitting voice band signals and having one or more user devices coupled thereto for transmitting signals on the copper line, for use in transmitting data signals out-of-band with the voice band ...
02/28/2006
6983038Maintenance termination unit
Methods and apparatuses are disclosed for locating trouble in a telecommunications network. One method communicates signals from a central office along a local loop. The local loop comprises a ring wire and a tip wire. Voltage polarity between the ring wire and the ...
01/03/2006
6944000Electrical system like a testing system for testing the channels of a communication system
An electrical system is described which comprises at least one function board and at least one voltage converter. The function board and the voltage converter are connected such that a voltage generated by the voltage converter is supplied to the function board. The...
09/13/2005
6904129Twisted pair status indicator
A twisted pair status indicator is provided. The twisted pair status indicator may be attached to a twisted pair access terminal to indicate whether the access terminal has available and properly functioning twisted pairs. The twisted pair status indicator may compr...
06/07/2005
6836536Clamp device integrating test device for telephone and network cables
A clamp device includes a clamp body comprising a clamp head, a stationary holding part extending downwardly from one end of the clamping head, and a driving handle pivotally installed on one side of the clamping head, and an telephone and network cable test device,...
12/28/2004
6418195Apparatus for communicating a diagnostic device with a telecommunications system through a remote network unit
An apparatus communicates a diagnostic device with a telecommunications service source, or alternatively with a telecommunications service subscriber device, through a remote network unit. The apparatus includes a test plug structure receivable in operati...
07/09/2002
6307469Remote detection device
The present invention provides a remote detection device including a conventional measurement device, such as a thermostat, having an internal contact which is wired in series with a resistor and two wires of a standard telephone line. When the measuremen...
10/23/2001
6278769Signaling method for invoking a test mode in a network interface unit
A network interface device intended to be placed approximate to the customers equipment and remote from a central office of a telephone company ("TELCO"). The purpose of the network interface device is to allow the twisted pair transmission line between t...
08/21/2001
5878114Electronic switching system capable of analyzing charge data automatically
An electronic switching system (ESS) analyzes charge data automatically. The ESS comprises a generator for generating the charge data for a call; a recorder coupled with the generator for receiving the charge data from the generator and assembling a data ...
03/02/1999
5768341Communications channel testing arrangement
A switching arrangement that can be connected in a communications channel that comprises a pair of lines between sets of terminal equipment, which comprises: (i) a series switch (1,2) for connection in each of the lines; (ii) a shunt switch for connection...
06/16/1998
5652575Maintenance termination unit for telephone circuits
A maintenance termination unit (MTU) for use in telephone circuits. The MTU comprises a switching arrangement which can be connected between sets of terminal equipment in a communications channel comprising a pair of lines. The switching arrangement compr...
07/29/1997
5651048Communication channel switching arrangement
A maintenance termination unit (MTU) for use in telephone circuits. The MTU comprises a switching arrangement which can be connected in a communications channel, the communications channel comprising a pair of lines. The switching arrangement is connected...
07/22/1997
 
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