Patents Assigned to Lucent Technologies Inc. ("Lucent')
  • Patent number: 7454200
    Abstract: An apparatus in one example comprises a prepay telephone service system component and a personal handyphone system component. The personal handyphone system component employs the prepay telephone service system component to allow a user of a wireless telephone to execute a purchase of one or more units of wireless telephone service. The personal handyphone system component employs the prepay telephone service system component to allow the user to employ one or more of the one or more units of wireless telephone service with the wireless telephone subsequent to the purchase.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: November 18, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Yigang Cai, Xu Chen, Jennifer Cong Fang He, Hai Guang Mu
  • Patent number: 7452741
    Abstract: The present invention provides a process for manufacturing an apparatus. The process, in one embodiment, includes providing a micro-electro-mechanical system (MEMS) device, the micro-electro-mechanical system (MEMS) device including an actuator coupled to a movable feature, sacrificial material fixing the actuator and movable feature with respect to one another, and a layer of material located over the actuator, movable feature and sacrificial material. The process may further include removing only a portion of the layer of material to expose the sacrificial material, and subjecting the exposed sacrificial material to an etchant to release the movable feature.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: November 18, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Vladimir A. Aksyuk, Nagesh R. Basavanhally, Omar D. Lopez, Chien-Shing Pai
  • Patent number: 7454112
    Abstract: Apparatus including: a substrate layer having a substantially planar top surface; an optically conductive peak located and elongated on, and spanning a first thickness measured in a direction generally away from, the top surface; the optically conductive peak having first and second lateral walls each including distal and proximal lateral wall portions, the proximal lateral wall portions intersecting the top surface; and first and second sidewall layers located on the distal lateral wall portions, the sidewall layers not intersecting the top surface and spanning a second thickness that is less than the first thickness measured in the same direction.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: November 18, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Young-Kai Chen, Andreas Bertold Leven, Yang Yang
  • Patent number: 7454225
    Abstract: The present invention provides a method for reducing transmitted energy based on early decoding. The method includes accessing a first portion of a block including a plurality of symbols indicative of an encoded message. The first portion has been transmitted at a first transmission power and having less than all of the plurality of symbols. The method also includes attempting to decode the encoded message using the first portion of the block, determining whether the encoded message was decoded, and providing an indication of a second transmission power in response to determining that the encoded message was decoded.
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: November 18, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Lawrence H. Ozarow, Ashok N. Rudrapatna, Naresh Sharma
  • Patent number: 7453852
    Abstract: A mobile node includes a processor, a network interface, and a storage device having computer program code for execution by the processor. The computer program code includes a network layer for transmitting and receiving packets and an intermediate driver that transmits packets to the network layer and receives packets from the network layer using a virtual internet protocol (IP) address to identify the mobile node. The intermediate driver transmits packets to the network interface and receives packets from the network interface using a routable actual IP address to identify the mobile node. The intermediate driver permits the actual IP address to change when the mobile node moves from a first subnet to a second subnet without a corresponding change in the virtual IP address. A corresponding NAT associates the virtual IP address with a second actual IP address when the NAT is notified that the mobile node is in the second subnet.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: November 18, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Milind M. Buddhikot, Adiseshu Hari, Scott C. Miller, Kundan Narendra Singh
  • Publication number: 20080277252
    Abstract: Apparatus including a substrate and a mechanical switch, the mechanical switch located over the substrate, the mechanical switch including: a first electrical contact over the substrate; a support over the substrate, the support including a region moveable relative to the first electrical contact, the moveable region having a second electrical contact, the second electrical contact located over the first electrical contact; and a self-assembled molecular layer between the substrate and the second electrical contact. Method including placing into operation an apparatus, and applying a coulomb force causing the second electrical contact to move relative to the first electrical contact such that the switch is opened or closed.
    Type: Application
    Filed: May 9, 2007
    Publication date: November 13, 2008
    Applicant: Lucent Technologies Inc.
    Inventors: Oleksandr Sydorenko, Nikolai Zhitenev
  • Publication number: 20080278029
    Abstract: A method comprising forming a structural element 115 on a surface 620 of a layer 510 via an electroless plating of nickel or cobalt 130 onto the surface, the layer being rigidly fixed to an underlying substrate 110. The method also comprises etching away a portion of the layer such that a part of the structural element is able to move with respect to the substrate.
    Type: Application
    Filed: May 11, 2007
    Publication date: November 13, 2008
    Applicant: Alcatel-Lucent Technologies Inc.
    Inventors: Flavio Pardo, Maria E. Simon, Brijesh Vyas, Chen Xu
  • Patent number: 7450801
    Abstract: A free-space optical switch for switching light beams between waveguides of planar lightwave circuits (PLCs). Switching is accomplished using a combination of lenses and micromirrors. The lenses and the controlled tilt of the micromirrors can establish a one-to-one interconnection path between waveguides of the PLCs.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: November 11, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Christopher Richard Doerr, Dan Mark Marom
  • Patent number: 7450863
    Abstract: A WDM receiver that includes a single, delay interferometer coupled to an N-channel wavelength-demultiplexing filter provides for the simultaneous conversion of a multiplex of N differential-phase-shift-keyed modulated optical signals of different wavelengths into N intensity-modulated optical signal channels. The Nintensity-modulated optical signals may be individually detected by a bank of N photodiode circuits to recover the modulated data stream or used for optical amplification, regeneration, processing, control, or modulation.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: November 11, 2008
    Assignee: Lucent Technologies Inc.
    Inventor: Peter J. Winzer
  • Patent number: 7450507
    Abstract: Rate-limiting a traffic stream using a rate-limit hierarchy involves subjecting a packet to a first rate-limit check, the first rate-limit check corresponding to a first-level traffic classification, subjecting the packet to a second rate-limit check and an infinity rate-limit cheek, the second rate-limit check and the infinity rate-limit check corresponding to a second-level traffic classification, granting an automatic pass to the packet from the infinity rate-limit check regardless of whether or not the packet passes the second rate-limit check, and granting an overall pass of the rate-limit hierarchy if the packet passes the first rate-limit check. In an embodiment, the first-level traffic classification is a parent classification of the second-level traffic classification and the second-level traffic classification is a child classification of the first-level traffic classification.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: November 11, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Diwakar Tundlam, Eric Anderson, Apurva Mehta, Ajay Gaonkar
  • Patent number: 7450522
    Abstract: A power control system for a wireless communications system adjusts the transmit power of a wireless transmitter in relation to a number of acknowledgments expected for radio transmissions over a wireless link. For example, a wireless unit monitors the number of acknowledgments it receives (or fails to receive) for radio packets that the wireless unit transmitted over the wireless link. The wireless unit determines the number of acknowledgments lost in relation to the number of acknowledgments expected to be received by the wireless unit. The number of acknowledgments expected by the wireless unit can be based on the number of radio packets transmitted by the wireless unit. If the number of ACKs lost/number of ACKs expected is greater than a first threshold, the wireless unit increases the transmit power level. If the number of ACKs lost/the number of ACKs expected is below a second threshold, the wireless unit decreases the transmit power level.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: November 11, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Peretz Moshes Feder, Walter Honcharenko, Leonard Piazzi
  • Patent number: 7451241
    Abstract: A working label switched path (LSP) between neighbor label switched routers (LSRs) in a ring network that utilizes label switching is protected by an LSP that connects the neighbor LSRs of the working LSP in an opposite direction to the working LSP. If the working LSP fails, then packets are switched to the protection LSP. Switched packets traverse the protection LSP until they reach the neighbor LSR that they would have reached had the packets traversed the working LSP. Time-to-live (TTL) values of packets that traverse the protection LSP are adjusted to account for the number of hops on the protection LSP so that the TTL values of the packets are the same after traversing the protection LSP as they would have been had they traversed the working LSP. After traversing the protection LSP packets can be switched back to the working LSP or switched to a next hop LSP.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: November 11, 2008
    Assignee: Lucent Technologies Inc.
    Inventor: Behnam Behzadi
  • Patent number: 7451195
    Abstract: A personal digital assistant (PDA) stores a list of available phone features and policies and selects certain phone features and policies from the stored features and policies. When connected with an internet protocol (IP) phone device, the PDA downloads the selected phone features and policies to the IP phone device in a new location, so that the IP phone device can be operated as the user's personal phone. The PDA verifies the user's identity to ensure that only authorized individuals have access to the IP phone device or IP-PBX. Also, the PDA, with phone features and policies stored therein, visually displays phone configurations and mappings to an administrator of the IP-PBX for verifying the actual configuration of the phone system based on the stored configuration.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: November 11, 2008
    Assignee: Lucent Technologies Inc.
    Inventor: Dorée D. Seligmann
  • Patent number: 7449649
    Abstract: An apparatus comprising a liquid switch. The liquid switch comprises a substrate having a surface with first and second regions thereon and a fluid configured to contact both of the regions. The regions each comprise electrically connected fluid-support-structures, wherein each of the fluid-support-structures have at least one dimension of about 1 millimeter or less. The regions are electrically isolated from each other.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: November 11, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Arman Gasparyan, Thomas Nikita Krupenkin, Joseph Ashley Taylor, Donald Weiss
  • Patent number: 7451340
    Abstract: An extension to a connection setup protocol for establishment of a restoration path for a service in a mesh network involves, at a transit node along the restoration path, the steps of (1) receiving a service data structure having an identification of each link and transit node in a primary path for the service, and (2) determining whether to reserve additional protection bandwidth on an outgoing link incident to the transit node using the service data structure, wherein the outgoing link is part of the restoration path. In one or more embodiments, the service data structure includes identification of the service, identification of the outgoing link, and bandwidth of the service. In some cases, the extension involves reserving the additional protection bandwidth on the outgoing link, if the transit node determines that the protection bandwidth is required, based upon knowledge of the protection bandwidth already reserved on the outgoing link.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: November 11, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Bharat T. Doshi, Zbigniew M. Dziong, Ramesh Nagarajan, Muhammad A. Qureshi, Yung-Terng Wang
  • Publication number: 20080273281
    Abstract: An apparatus comprising a liquid switch. The liquid switch comprises a substrate having a surface with first and second regions thereon and a fluid configured to contact both of the regions. The regions each comprise electrically connected fluid-support-structures, wherein each of the fluid-support-structures have at least one dimension of about 1 millimeter or less. The regions are electrically isolated from each other.
    Type: Application
    Filed: July 16, 2008
    Publication date: November 6, 2008
    Applicant: Lucent Technologies Inc.
    Inventors: Arman Gasparyan, Thomas Nikita Krupenkin, Joseph Ashley Taylor, Donald Weiss
  • Publication number: 20080273689
    Abstract: A tone advisor, a tone assisting system and a method of associating tones with callers. In one embodiment the method includes: (1) monitoring calls to and from a user, (2) obtaining information based on the calls and (3) categorizing a caller associated with at least one of the calls into a contact group according to the information and (4) assigning a genre of tones to the contact group.
    Type: Application
    Filed: May 4, 2007
    Publication date: November 6, 2008
    Applicant: Lucent Technologies Inc.
    Inventors: Robert K. Dinoff, Tin Kam Ho, Richard B. Hull, Bharat Kumar, Daniel Francis Lieuwen, Haobo Ren, Paulo A. Santos, Anwar I. Walid
  • Patent number: 7443856
    Abstract: A technique for managing the utilization of processing resources involves filtering packets that are sent to a CPU for learning before allowing the packets to reach the CPU. The filtering involves determining if related packets have already been allowed to reach the CPU for learning and using the knowledge about related packets to determine if a current packet should be allowed to reach the CPU. In one embodiment, the processing resources of the CPU are conserved by allowing only one packet per flow to reach the CPU for learning. The one packet is used by the CPU to generate the necessary forwarding information and to initiate programming of the hardware-based forwarding table so that subsequent packets of the same flow can be forwarded directly from the hardware-based forwarding engine.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: October 28, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Sandeep Lodha, Thirumalpathy Balakrishnan
  • Patent number: 7443819
    Abstract: The present invention provides a method and an apparatus for managing relocation of one or more scrambling codes in a spread spectrum wireless communications system. The method comprises detecting an indication for a serving radio network subsystem relocation that causes a user equipment to leave a first radio network controller and selectively transiting, through an intermediate transition, at least one scrambling code of the one or more scrambling codes associated with an uplink from the first radio network controller to a second radio network controller for the user equipment in response to the indication. The first radio network controller may maintain three pools of scrambling codes, namely, a first pool of one or more relocated scrambling codes (SCs), a second pool of one or more free scrambling codes and a third pool for each of one or more used scrambling codes. By avoiding an early reuse, an uplink scrambling code may be assigned to a particular UE because a target radio network controller, i.e.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: October 28, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Thomas Hempel, Mirko Schacht, Sudeep Palat
  • Patent number: 7443879
    Abstract: An apparatus in one example comprises one or more network controllers that serve to allow a second user agent to communicate with a first user agent through employment of a codec format unsupported by the first user agent.
    Type: Grant
    Filed: November 14, 2002
    Date of Patent: October 28, 2008
    Assignee: Lucent Technologies Inc.
    Inventors: Richard Paul Ejzak, Hong Xie