Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8036212 | Systems and methods for integrating analog voice service and derived POTS voice service in a digital subscriber line environment Systems and methods for integrating analog voice service and derived POTS voice service in a DSL environment are provided. One embodiment is a system comprising: a first communication path for carrying plain old telephone service (POTS) voice signals between a telep... | 10/11/2011 |
| 7969900 | Determination of network performance characteristics Systems and methods for testing network performance and communicating network device information are disclosed. The preferred embodiments of the present invention enhance the standard ICMP echo or ping protocol, while still maintaining backward compatibility. Furthe... | 06/28/2011 |
| 7961850 | Apparatus and method for simultaneous multiple telephone type services on a single telephone line Apparatus and method for simultaneously providing multiple telephone-type services to any/all POTS-type devices on a single wire pair at a user premises. The present invention provides for the ability to add separately addressable POTS devices on a single service lo... | 06/14/2011 |
| 7936689 | System and method for the measurement of service quality in a communication network A system and method for the measurement of communication network performance over a secondary communication channel sends an inquiry signal containing information pertaining to network performance from a near end communication device to a far end communication devic... | 05/03/2011 |
| 7916776 | Performance customization system and process for optimizing xDSL performance A system and process for customizing the performance of an xDSL communication system in which a transmitting modem and/or a receiving modem will negotiate a performance parameter for adjustment. ... | 03/29/2011 |
| 7835459 | System and method for adapting to a change in constellation density while receiving a signal One embodiment comprises a transmitter precoder operating on an input signal to produce an output signal for modulation. The output signal is transmitted using a constellation with a constellation density. The transmitter precoder comprises scaler logic, precoder lo... | 11/16/2010 |
| 7747000 | Subscriber line driver with equalizer Various embodiments are configured to transform characteristics of a communication signal. One embodiment is a method comprising decreasing amplitude of a first detected portion of the communication signal so that the decreased amplitude is in close proximity to a p... | 06/29/2010 |
| 7558203 | System and method for statistical control of power dissipation with host enforcement The power budgeter controls the rate of data flow in a transceiver. The power budgeter monitors transceiver activity (data flow) during a predefined period, and limits transceiver data transmit and receive rates during times when the aggregate transceiver activity w... | 07/07/2009 |
| 7522679 | System and method for adapting to a change in constellation density while receiving a signal One embodiment comprises a transmitter precoder operating on an input signal to produce an output signal for modulation. The output signal is transmitted using a constellation with a constellation density. The transmitter precoder comprises scaler logic, precoder lo... | 04/21/2009 |
| 7460520 | Apparatus and method for using multiple call controllers of voice-band calls An apparatus for using multiple call controllers of voice-band calls is provided. The apparatus includes a first protocol endpoint, a second protocol endpoint, and a protocol adapter. The first protocol endpoint is configured to receive at least one first external m... | 12/02/2008 |
| 7430212 | System and method for improved data transmission speed by fixing the lower corner frequency at a frequency above voice band in a symmetric DSL transmission system A system and method of the present invention improves data transmission speeds by fixing the lower corner frequency at a frequency above voice band in a symmetric DSL transmission system. By using a fixed lower corner frequency that is above the voiceband and increa... | 09/30/2008 |
| 7418048 | Tone ordered discrete multitone interleaver A tone ordered discrete multitone interleaver system and method, including a tone ordered interleaver and deinterleaver, are provided for efficiently communicating data despite noise affecting a Discrete Multitone modulation (DMT) system. The tone ordered discrete m... | 08/26/2008 |
| 7408882 | Automatic discovery of network node addresses The present invention provides a system and method for automatic discovery of network addresses. Briefly described, in architecture, one embodiment of the apparatus, among others, comprises: an announcer logic; a listener logic; and a forwarder logic. The announcer ... | 08/05/2008 |
| 7352803 | Apparatus and method for communicating voice and data between a customer premises and a central office Systems and methods are provided for communicating data over a subscriber loop using a modem. One such method includes: transmitting data on the loop in a first frequency band; sensing an indication that simultaneous transmission on the loop in a POTS frequency band... | 04/01/2008 |
| 7310671 | System and method for a trouble shooting portal to allow temporary management access to a communication device A troubleshooting portal method for providing connectivity between a first communication device and a second communication device. The second communication device resides in an access provider communication system. One embodiment comprises receiving a specification ... | 12/18/2007 |
| 7310356 | Automatic discovery of network core type Systems and methods for automatically discovering the configuration of network and/or communication facilities are provided. The determination generally involves receiving and/or sending at least one test message or packet with special characteristics that normally ... | 12/18/2007 |
| 7289604 | System and method for subscriber loop testing A method for testing subscriber loop conditions includes receiving test signal data from a test signal provider, receiving a request for transmitting a test signal described by the test signal data, and transmitting the test signal over a communication channel. The ... | 10/30/2007 |
| 7272215 | Automatic rapid switching between DSL service and POTS over loaded loops The preferred embodiments of the present invention generally provide improved communications over a subscriber loop that is loaded with at least one and potentially a plurality of load coils. The preferred embodiments of the present invention will support digital su... | 09/18/2007 |
| 7251270 | Systems and methods for fractional bit rate encoding in a communication system Systems and methods for encoding fractional bit rates in a communication system, such as a pulse amplitude modulation (PAM) communication system, are provided. The systems and methods enable a first transceiver to specify to a second transceiver a desired fractional... | 07/31/2007 |
| 7248662 | System and method for deriving symbol timing A symbol timing derivation system derives receiver timing from received symbols which avoids the need for a pilot tone, thereby reducing power consumption and expanding usable bandwidth. The system is implemented by using a calculation that finds the timing phase er... | 07/24/2007 |
| 7248626 | System and method of communication via embedded modulation A single subscriber line multi-point communication system is disclosed. In general, the multi-point communication system can include a first transceiver coupled to a subscriber line capable of transmitting and receiving at least two modulation methods, either of sai... | 07/24/2007 |
| 7194048 | Space diversity trellis interleaver system and method Several embodiments of a space diversity trellis interleaver system are provided for communicating data over a plurality of separate communication paths in order to inhibit distortion caused by impulse noise or other correlated noise and enhance the data transmissio... | 03/20/2007 |
| 7155016 | Communication device and method for using non-self-synchronizing scrambling in a communication system A communication device for use in a non-self synchronizing scrambling (NS3) communication system and a method for using NS3 in a communication system are disclosed. A digital data stream is scrambled by modifying the digital data stream based on a pseudo-noise seque... | 12/26/2006 |
| 7149268 | Digital subscriber line driver A digital subscriber line (DSL) driver allows a transmitter to monitor its own transmit spectrum at the subscriber loop and adjust the transmit spectrum based on detected line conditions, affected by the presence of bridged taps or any other impedance variations. Th... | 12/12/2006 |
| 7130338 | Apparatus and method for communicating voice and data between a customer premises and a central office Systems and methods are provided for communicating data over a subscriber loop using a modem. One such method includes: transmitting data on the loop in a first frequency band; sensing an indication that simultaneous transmission on the loop in a POTS frequency band... | 10/31/2006 |
| 7127048 | Systems and methods for integrating analog voice service and derived POTS voice service in a digital subscriber line environment Systems and methods for integrating analog voice service and derived POTS voice service in a DSL environment are provided. One embodiment is a system comprising: a first communication path for carrying plain old telephone service (POTS) voice signals between a telep... | 10/24/2006 |
| 7106834 | Digital subscriber line diagnostic system A communication device transmits very low frequency signals in order to help diagnose the cause of a communication problem in a DSL communication system. The communication problem may be, for example, the inability of a remote data transceiver unit (DTU-R) to succes... | 09/12/2006 |
| 7099401 | Discrete multitone interleaver A discrete multitone interleaver system, including an interleaver and deinterleaver, are provided for efficiently communicating data despite noise affecting a Discrete Multitone modulation (DMT) system. The discrete multitone interleaver includes a convolutional enc... | 08/29/2006 |
| 7088781 | Tone ordered discrete multitone interleaver A tone ordered discrete multitone interleaver system and method, including a tone ordered interleaver and deinterleaver, are provided for efficiently communicating data despite noise affecting a Discrete Multitone modulation (DMT) system. The tone ordered discrete m... | 08/08/2006 |
| 7080012 | Dynamic time division multiplexing of voice signals into Ethernet data streams over a WAN circuit The present invention injects and/or removes voice data into and/or out-of an Ethernet stream in a dynamic, Time Division Multiplexer-like manner, thus providing optimum quality Voice with minimal impact on data bandwidth. ... | 07/18/2006 |
| 7072387 | Fractional bit rate encoding in a discrete multi-tone communication system Fractional bit rate encoding in a discrete multi-tone (DMT) communication environment allows the transmission of fractional bit rates, thus maximizing the use of signal-to-noise ratio (SNR) available on each of the DMT carriers, or tones, while maintaining a constan... | 07/04/2006 |
| 7065205 | Line sharing multipoint pots splitter amplifier-based coupler The eavesdropping prevention system and method of the present invention provides for shunting leakage signals in a communication system. The amplifier-based coupler is constructed with amplifiers configured with a nearly-zero impedance path which effectively prevent... | 06/20/2006 |
| 7055088 | Interleaved generalized convolutional encoder Several embodiments of an interleaved generalized convolutional encoder system and method are provided for communicating data over a transmission path in order to inhibit distortion caused by impulse noise or other correlated noise and enhance transmission rate of d... | 05/30/2006 |
| 7054377 | Space diversity trellis interleaver system and method Several embodiments of a space diversity trellis interleaver system are provided for communicating data over a plurality of separate communication paths in order to inhibit distortion caused by impulse noise or other correlated noise and enhance the data transmissio... | 05/30/2006 |
| 7047164 | Port trend analysis system and method for trending port burst information associated with a communications device A system and method are disclosed for analyzing burst statistics from a communications network switch port transmitting data in a bursty communication system, where the burst statistics have been classified according to pre-defined burst ranges and where each burst ... | 05/16/2006 |
| 7046798 | System and method for subliminal time domain duplexing The present invention provides methods and apparatus for transmitting a data-bearing signal and a non-data-bearing signal. One embodiment comprises communicatively coupling a data-bearing signal during a first time period and communicatively coupling a non-data-bear... | 05/16/2006 |
| 7039015 | System and method for the collection and display of network performance data in a communication network A data delivery analysis report is generated by collecting various network performance parameters from a plurality of communication devices connected to a communication network. Logic located at a network management system collects and presents the network performan... | 05/02/2006 |
| 7035380 | Line sharing multipoint POTS splitter with intelligent termination The present invention provides for a system and method for blocking leakage signals and uncoupling connections in a communication system. A leakage signal (LS) blocking splitter employs a high-pass filter which effectively blocks the lower frequency leakage signal. ... | 04/25/2006 |
| 7031381 | Method and apparatus for reducing transmission errors caused by periodic transients in digital subscriber line (DSL) communication systems A transient pre-emptor includes a processor configured to detect transients in a communications system. After the processor detects a transient in the communications system, it causes a data communications equipment to suspend or reduce data transmission during the ... | 04/18/2006 |
| 7023829 | Systems and methods for providing communication between an ATM layer device and multiple multi-channel physical layer devices Systems and methods are provided for providing communication between an ATM layer device and multiple multi-channel PHY layer devices, which increase the number of multi-channel PHY layer ports supported by the ATM layer device. In general, one such system comprises... | 04/04/2006 |
