Patents Assigned to Lucent Technology
  • Patent number: 7371605
    Abstract: Techniques for disposing an organic semiconductor film on a receiver substrate, comprising the steps of: depositing an organic semiconductor film onto a donor substrate, the semiconductor film having a first surface facing the donor substrate and having an exposed second surface; bringing the exposed second surface adjacent a receiver substrate such that the semiconductor film is in contact with both substrates; and then, moving the donor and receiver substrates apart; and wherein a surface portion of the receiver substrate is maintained above its glass transition during the moving step. Active organic semiconductor devices.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: May 13, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Howard Edan Katz, Masato Ofuji
  • Patent number: 7372607
    Abstract: The invention includes an apparatus for modulating an optical signal. The apparatus includes a spatial dispersion mechanism and a modulating mechanism. The spatial dispersion mechanism spatially disperses the optical signal. The spatially dispersed optical signal has a plurality of frequency components where each frequency component has an associated beam size. The modulating mechanism includes an array of modulating components where each modulating component has a pitch. The pitch of each modulating component is substantially equal to or less than the beam size of each frequency component.
    Type: Grant
    Filed: October 1, 2005
    Date of Patent: May 13, 2008
    Assignee: Lucent Technologies Inc.
    Inventor: Dan M. Marom
  • Patent number: 7372875
    Abstract: Techniques for synchronizing the clock of a local telecommunications network connected to a remote clock source through an asynchronous transport network such as an Ethernet metropolitan area transport network. A basic holdover loop for retaining the current reconstructed clock frequency signal receives weighted corrections from an open loop and a network time protocol filter loop. The open loop measures data packet interarrival times on the local network and calculates a first reconstructed clock frequency signal. The network time protocol loop applies network time protocol to generate timestamps over the asynchronous transport network which are used to generate a second reconstructed clock frequency signal. The first and second reconstructed clock frequency signals are combined using dynamically adjusted weight factors and compared with the current reconstructed clock frequency signal to correct the latter which then synchronizes the clock of the local telecommunications network.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: May 13, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Ilija Hadzic, Edward Stanley Szurkowski
  • Patent number: 7370510
    Abstract: One embodiment of a shock apparatus comprises a plurality of impact objects spatially ordered according to decreasing mass along a substantially linear path; a guide to guide movement of the impact objects along the path; and a plurality of spacers, one spacer between each adjacent pair of impact objects in the spatial order. The guide and spacers enable a plurality of temporally ordered impacts involving the plurality of impact objects. In one embodiment, at least one of the impact objects comprises an impact portion positioned at a point where the impact object impacts at least one other impact object; and the properties of the impact portion are selectable to affect the magnitude and duration of a shock acceleration pulse experienced by the at least one impact object.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: May 13, 2008
    Assignee: Lucent Technologies Inc.
    Inventor: Suresh Goyal
  • Patent number: 7369778
    Abstract: In one embodiment of the invention a dispersion compensator is provided for use in a dense wavelength division multiplexed optical communication system. The dispersion compensator comprises a periodic-group-delay dispersion compensation module which provides a portion of the dispersion compensation for a dispersion managed span of the optical communication system. A remaining portion of the dispersion compensation for the dispersion managed span is provided by dispersion compensating fiber. The portions of the dispersion compensation provided by each of the periodic-group-delay dispersion compensation module and the dispersion compensating fiber is selected such that the collision-induced timing jitter is reduced.
    Type: Grant
    Filed: December 30, 2002
    Date of Patent: May 6, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Xiang Liu, Linn Frederick Mollenauer, Xing Wei
  • Patent number: 7369396
    Abstract: A composite electroactive material having a plurality of particle cores, each particle core surrounded by a polymer covering having one or more strands of an electroactive polymer. In one embodiment, the particle cores have a relatively small size, e.g., between about 10 and 50 nm, and include a material having a relatively large dielectric constant, e.g., greater than about 30. Each polymer strand includes an electroactive elastomer that is bonded to the surface of the corresponding particle core by a linker. Representative examples of the particle core material, elastomer, and linker are titanium dioxide, polybutadiene, and a phosphonate group, respectively.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: May 6, 2008
    Assignee: Lucent Technologies Inc.
    Inventor: Ashok Maliakal
  • Patent number: 7367212
    Abstract: One embodiment of a shock apparatus comprises at least one linear impact object capable of movement along a first substantially linear path; a rotational impact object capable of rotation about an axis of rotation and movement along a second substantially linear path parallel to the first substantially linear path, a mass of the linear impact object being greater than an effective mass of the rotational impact object; and a guide to guide the movement of the linear and rotational impact objects along the first and second substantially linear parallel paths. In one embodiment, the linear impact object comprises an impact portion for impacting the rotational impact object, the impact portion having a selectable position, and selecting the position determining the relative proportion of rotational and linear shock accelerations which an impact between the linear impact object and the rotational impact object provides to the rotational impact object.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: May 6, 2008
    Assignees: Lucent Technologies Inc., University Of Limerick
    Inventors: Suresh Goyal, Bryan Anthony Rodgers, Marie-Loic Leport
  • Patent number: 7369494
    Abstract: The invention operates to determine a measure of one or more input data parameters, such as input data rate and input data buffer fill at the beginning of a data burst. The invention then proceeds to the selection of an operating data rate for the data burst as a function of the input data parameter measures. In a further step, the invention proceeds to a selection of a duration for the data burst as a function of the selected operating data rate and an end-of-burst data residue parameter.
    Type: Grant
    Filed: September 19, 2003
    Date of Patent: May 6, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Tsao-Tsen Chen, Gang Li, Ming Lu, Martin H. Meyers
  • Patent number: 7367214
    Abstract: One embodiment of a shock and launch apparatus comprises a first carriage and a second carriage adapted to move along a carriage guide, wherein the first carriage has a mass M1 greater than a mass M2 of the second carriage; the carriage guide, associated with a substantially linear path of movement of the first and second carriages; and a carriage stop, capable of being positioned at a first position and a second position, wherein the carriage stop in the first position is at least partially in the path of movement of the second carriage. In one embodiment, the carriage stop in the second position is not in the path of movement of the second carriage.
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: May 6, 2008
    Assignee: Lucent Technologies Inc.
    Inventor: Suresh Goyal
  • Patent number: 7369719
    Abstract: A monolithically integrated tunable wavelength converter and variable optical delay device(s) that is capable of providing optical delay(s) of any length. Advantageously, our devices are both compact and readily realized as a photonic integrated circuit (PIC) on a semiconductor substrate.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: May 6, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Pietro Bernasconi, David Neilson
  • Patent number: 7370325
    Abstract: An object-focused workflow system for processing a received object in accordance with a declarative workflow specification. The specification includes modules and attributes, where module execution results in the evaluation of attributes, and may include the initiation of a side-effect action performed by an external component. Whether modules are to be executed for a particular received object is determined by associated enabling conditions. Attributes may be evaluated in accordance with computation rules and a combining policy, where the computation rules specify how values are to be contributed to an attribute, and the combining policy indicates how those contributed values are combined in order to assign a value to the attribute. Tasks in the workflow system may be executed eagerly in order to improve the performance of the workflow system.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: May 6, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Richard Baxter Hull, Bharat Kumar, Francois Llirbat, Gang Zhou
  • Patent number: 7366548
    Abstract: The present invention provides a method for alerting a mobile unit of a missed call. A mobile unit receives a call request. If the mobile unit does not answer the call request and the mobile unit is stationary, the mobile unit waits for the mobile unit to move. Upon movement, the mobile unit notifies, via an audible tone, vibration, or a visual indicator, that the mobile unit had a call while it was stationary.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: April 29, 2008
    Assignee: Lucent Technologies Inc.
    Inventor: Kenneth W Del Signore
  • Patent number: 7366659
    Abstract: Time-scaled, sound signals (i.e. sounds output at differing speeds) are generated by mixing weighted time-and frequency-domain processed signals, the former signal generally representing speech-based signals while the latter representing music-based signals. The weights applied to each type of signal may be determined by a scaling factor, which in turn is related to the desired speed at which a listener desires to hear a sound signal. In one example of the invention, only stationary signal portions of an input sound signal are used to generate time-scaled processed signals. An adaptive frame-size may also be used to pre-process the separate signals prior to being weighted, which at least decreases the amount of unwanted reverberative sound qualities in a resulting sound signal. Together, techniques envisioned by the present invention produce improved, speed adjusted sound signals.
    Type: Grant
    Filed: June 7, 2002
    Date of Patent: April 29, 2008
    Assignee: Lucent Technologies Inc.
    Inventor: Walter Etter
  • Patent number: 7366911
    Abstract: Methods and apparatus are disclosed for generation of secure and efficient digital signatures in an information processing system. The system includes one or more user devices, a signing aid or other intermediary device, and a verifier. A given user device has associated therewith key pairs (s, p) and (s?, p?) corresponding to respective first and second digital signature protocols. As part of a setup process, an agreement relating to the public keys p and p? is signed by both the user device and the intermediary device, and the resulting twice-signed agreement is stored by both the user device and the intermediary device. A first digital signature s1 is then generated on a message m or a hash h(m) thereof in the user device using the secret key s? and is sent to the verifier. The verifier in turn sends s1 to the intermediary, and the intermediary checks that s1 is a valid digital signature for the user device.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: April 29, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Juan A. Garay, Bjorn Markus Jakobsson
  • Patent number: 7366949
    Abstract: A distributed software application comprises a plurality of software components within a plurality of executables. A manager component for the distributed software application performs a recovery of two or more software components, of the plurality of software components, in an ordered sequence based on one or more dependency relationships among the plurality of software components.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: April 29, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Richard W. Buskens, Weilin Gong, Oscar J. Gonzalez, Li Kuang, Tim T. Liim, Yow-Jian Lin, Sunil K. Mishra, Pravish Prabhakar, Muhammad A. Siddiqui, Timothy A. Suchaczewski
  • Patent number: 7366174
    Abstract: Rules for classifying traffic in a communications network are set by collecting traffic data related to traffic that is input into a network node, processing the traffic data that is collected, and setting classification rules in response to the processed traffic data, wherein the set classification rules are used to classify subsequent input traffic. In an embodiment, subsequent traffic is classified according to the set classification rules. In another embodiment, traffic conditioning rules are also set in response to the processed traffic data and subsequent input traffic is conditioned according to the set traffic conditioning rules.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: April 29, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Michael R. MacFaden, Paul Calato
  • Patent number: 7366196
    Abstract: An out-of-band ranging technique is automatically initiated at a customer premises equipment unit when the equipment is installed, when power is restored after a power failure or interruption, upon verification of the equipment, upon reconnection after a disconnection of the equipment or the like. To this end, an out-of-band tone is employed that is automatically transmitted when the customer premises equipment that transmits the TDMA signal is powered ON, or transmitted in response to a specific command generated locally or remotely. Specifically, when ranging is being effected the customer premises equipment generates and transmits the out-of-band ranging tone until a message is received from a remote terminal indicating that the transmission of the ranging tone be terminated. The loop delay being determined is the delay interval between transmission of the termination message and detection that transmission of the ranging tone has terminated.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: April 29, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Donald E. Blahut, Peter D. Magill
  • Patent number: 7366100
    Abstract: A multipath processing architecture that allows multipath packets to be distributed across multiple paths using a hash function and a modulo-arithmetic-based mapping function is disclosed. In one embodiment, the multipath processing architecture is implemented as part of a packet classification engine of a network node.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: April 29, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Eric Anderson, Robert J. Schultz
  • Patent number: 7366514
    Abstract: By obtaining the address of a circuit switching controller in a network with which a mobile station is registered, a packet call controller instructs the circuit switching controller to send notification of when a handoff request is received for a mobile station by the circuit switching controller. The handoff request is for transferring a packet switched call to the circuit switching controller as a circuit switched call. The notification request includes an identifier, which the circuit switching controller uses in notifying the packet call controller of the handoff request. In response to the notification, the packet call controller re-establishes call control and bearer paths between the call endpoints.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: April 29, 2008
    Assignee: Lucent Technologies Inc.
    Inventor: Richard Paul Ejzak
  • Patent number: 7366198
    Abstract: Methods and systems for interfacing packet and circuit telephony operations in a distributed telecommunications network. Initially, one or more digital circuit switches can be associated with the distributed telecommunications network. Thereafter, one or more network transmission elements within the distributed telecommunications network can be connected to one or more of the digital circuit switches. One or more broadband switches can then be associated with one or more of the network transmission elements, such that the broadband switches thereof interface with network transmission elements and the digital circuit switches to coordinate combined circuit and packet signaling, routing and calling processing services among varying terminals of the distributed telecommunications network.
    Type: Grant
    Filed: March 7, 2003
    Date of Patent: April 29, 2008
    Assignee: Lucent Technologies, Inc.
    Inventors: Tina Lee Hinch, Mann-Yi Hsieh, Chung-You Patrick Liu, Anthony Murphy Scafidi, Charles Arthur Witschorik, James Wu