Patents by Inventor Nitin Kumar

Nitin Kumar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8836240
    Abstract: A ballast for energizing a lamp at a lighting level selected from a plurality of lamp lighting levels. The ballast includes a buck converter circuit configured to receive a DC voltage signal having a substantially constant magnitude. The buck converter circuit has a duty cycle for generating a lamp voltage output signal from the DC voltage signal. The lamp voltage output signal has a magnitude that is varied by the duty cycle to energize the lamp at the plurality of lamp lighting levels. A controller is configured to receive a dim input signal indicative of the selected lamp lighting level and to provide a control signal to the buck converter circuit as a function of the dim input signal. The control signal indicates a particular duty cycle corresponding to a lamp voltage output signal having a magnitude for energizing the lamp at the selected lamp lighting level.
    Type: Grant
    Filed: June 30, 2012
    Date of Patent: September 16, 2014
    Assignee: OSRAM SYLVANIA Inc.
    Inventors: Nitin Kumar, Markus Ziegler, Robert Martin, Shashank Bakre
  • Patent number: 8837479
    Abstract: A packet-forwarding integrated circuit includes a control logic module and a selector block configured to produce a value indicating an incoming interface associated with a multicast data stream that meets stream health requirements, wherein the multicast data stream is one of a plurality of redundant multicast data streams each received on different incoming interfaces, wherein based on the value produced by the selector block the control logic module outputs data packets of the multicast data stream that meets stream health requirements received on the incoming interface, and discards data packets of other multicast data streams received on other incoming interfaces not indicated by the selector block. In response to detecting that a quality of one of the redundant multicast data streams has fallen below a configured threshold, the control logic automatically rewrites the selector block to forward a different one of the redundant multicast data streams.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: September 16, 2014
    Assignee: Juniper Networks, Inc.
    Inventors: Nitin Kumar, Nischal Sheth, Satish Ramachandran, Robert Kebler, Maciek Konstantynowicz
  • Publication number: 20140258357
    Abstract: A method includes selecting a target mobile device based on information regarding a power storage level of the particular mobile device. The method further includes transmitting program context information associated with a task of the first mobile device to a network accessible storage device. The method further includes transmitting a notification regarding the program context information to the target mobile device. The present disclosure describes a power and task (data and/or voice) handover system that enables a user to transfer task(s) from one mobile device to another mobile device using a network (wired or wireless) based handover scheme.
    Type: Application
    Filed: March 7, 2013
    Publication date: September 11, 2014
    Applicant: QUALCOMM Incorporated
    Inventors: Balvinder P. Singh, Nitin Kumar Shivpure
  • Publication number: 20140246984
    Abstract: A ballast configured to connect to a set of lamps to energize the set of lamps is provided. The ballast comprises an inverter circuit for generating an oscillating power signal, wherein the oscillating power signal has a frequency, and a resonant tank circuit electrically connected to the inverter circuit for receiving the oscillating power signal and therefrom providing a lamp current to the set of lamps. A resistance circuit is connected to the inverter circuit. The resistance circuit has a resistance that defines the frequency of the oscillating power signal generated by the inverter circuit. A current control circuit is connected to the resistance circuit for adjusting the resistance of the resistance circuit as a function of a number of lamps that are connected to the ballast.
    Type: Application
    Filed: March 4, 2013
    Publication date: September 4, 2014
    Applicant: OSRAM SYLVANIA Inc.
    Inventors: Nitin Kumar, Shashank Bakre
  • Publication number: 20140243014
    Abstract: A mobile computing device comprises a wireless transceiver and a processing circuit. The processing circuit is configured to identify a location, to identify a wireless access point within a predetermined distance of the location, to detect a wireless access point identifier using the wireless transceiver, to compare the detected wireless access point identifier to the identified wireless access point, and to initiate location determination based on the comparison.
    Type: Application
    Filed: May 2, 2014
    Publication date: August 28, 2014
    Applicant: QUALCOMM Incorporated
    Inventor: Nitin Kumar
  • Patent number: 8819682
    Abstract: A method and system for launching multiple applications simultaneously on a device under the control of application switching framework so that the operating system is only running one task for all the applications is provided. A single task is run under the control of an operating system. An application manager is run within the task. One or more applications are launched within the task under the control of the application manager. One of the applications is made the current application by switching, under user control, among the launched applications. A list of application descriptors is maintained for all the launched applications, and when switching, the application descriptor of one of the applications is used for displaying the application to a user on a screen. Each application descriptor contains forms of the launched applications. Each of the application descriptors contains a tree of forms with one root or parent form. A form represents an image to be displayed to the user.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: August 26, 2014
    Assignee: Agere Systems LLC
    Inventors: Nitin Kumar Agarwal, Michael Cronin, Nisha Patel
  • Publication number: 20140231704
    Abstract: The present disclosure includes a texture formulation that includes an aliphatic diol, an alkaline compound and water which provides a consistent textured region across a silicon surface suitable for solar cell applications. The current invention describes silicon texturing formulations that include at least one high boiling point additive. The high boiling point additive may be a derivative compound of propylene glycol or a derivative compound of ethylene glycol. Processes for texturing a crystalline silicon substrate using these formulations are also described. Additionally, a combinatorial method of optimizing the textured surface of a crystalline silicon substrate is described.
    Type: Application
    Filed: April 25, 2014
    Publication date: August 21, 2014
    Applicant: Intermolecular, Inc.
    Inventors: Zhi-Wen Sun, Nikhil Kalyankar, Nitin Kumar, Minh Anh Nguyen, Sagar Vijay
  • Publication number: 20140231744
    Abstract: Resistive switching memory elements are provided that may contain electroless metal electrodes and metal oxides formed from electroless metal. The resistive switching memory elements may exhibit bistability and may be used in high-density multi-layer memory integrated circuits. Electroless conductive materials such as nickel-based materials may be selectively deposited on a conductor on a silicon wafer or other suitable substrate. The electroless conductive materials can be oxidized to form a metal oxide for a resistive switching memory element. Multiple layers of conductive materials can be deposited each of which has a different oxidation rate. The differential oxidization rates of the conductive layers can be exploited to ensure that metal oxide layers of desired thicknesses are formed during fabrication.
    Type: Application
    Filed: April 29, 2014
    Publication date: August 21, 2014
    Applicant: Intermolecular Inc.
    Inventors: Nitin Kumar, Tony P. Chiang, Chi-I Lang, Zhi-Wen Wen Sun, Jinhong Tong
  • Publication number: 20140229408
    Abstract: User interactions are categorized into predefined hierarchical categories by classifying user interactions, such as queries, during a user interaction session by labeling text data into predefined hierarchical categories, and building a scoring model. The scoring model is then executed on untagged user interaction data to classify the user interactions into either action-based or information-based interactions.
    Type: Application
    Filed: February 14, 2014
    Publication date: August 14, 2014
    Inventors: Ravi VIJAYARAGHAVAN, Vaibhav Srivastava, R. Mathangi Sri, Nitin Kumar Hardeniya
  • Patent number: 8806058
    Abstract: In general, this disclosure describes a high-level forwarding path description language (FPDL) for describing internal forwarding paths within a network device. The FPDL enables developers to create a template that describes a section of an internal forwarding path within the forwarding plane of a network device. The FPDL provides syntactical elements for specifying the allocation of forwarding path structures as well as enabling the run-time construction of internal forwarding paths to interconnect the forwarding path structures in a manner specific to packet, packet flow, and/or interface properties, for example. In conjunction with late binding techniques, whereby the control plane of the network device provides arguments to template parameters that drive allocation by the packet forwarding engines of forwarding path structures specified by the FPDL, the techniques provide control plane processes a unified interface with which to manage the operation of the packet forwarding engines.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: August 12, 2014
    Assignee: Juniper Networks, Inc.
    Inventors: Scott Mackie, James Washburn, Nitin Kumar, Sandeep Bajaj
  • Publication number: 20140195562
    Abstract: The propensity and intent of a user to make a purchase is predicted based on product search queries and chat streams. The contents of the data sources, including search queries and chat streams, are analyzed for product names and product attributes. The results of the analyses are used to predict user needs. Product names and attributes are extracted from the data sources. The extracted information is mapped onto abstract product categories. Based on the abstract product categories, offers for products and services are made to the user.
    Type: Application
    Filed: December 31, 2013
    Publication date: July 10, 2014
    Inventors: Nitin Kumar HARDENIYA, R. Mathangi SRI, Ravi VIJAYARAGHAVAN
  • Publication number: 20140192971
    Abstract: The customer experience is enhanced by detecting leakage-to-voice from chats and providing recommendations to operations, chat agents, and customers. A chat is classified into leakage-to-voice or leakage-to-text chat and actionable recommendations are then provided to operations, chat agents, and customers based on the leakage information. Once leakage is identified, various other insights are extracted from chats and such insights are fed into the knowledge-base. Such insights also used in agent training and are provided to chat agents as recommendations. This results in a better customer experience.
    Type: Application
    Filed: January 7, 2014
    Publication date: July 10, 2014
    Inventors: R. Mathangi SRI, Nitin Kumar HARDENIYA, Vaibhav SRIVASTAVA, Ravi VIJAYARAGHAVAN
  • Patent number: 8774179
    Abstract: A method is provided for handling member link state changes in an aggregate interface. An aggregate interface may be established to include a number of member links. A mask may be associated with the aggregate interface, where the mask identifies a current state of each member link in the aggregate interface. The mask is retrieved and used to identify active links in the aggregate interface when packets are received for forwarding on the aggregate interface.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: July 8, 2014
    Assignee: Juniper Networks, Inc.
    Inventors: Siva Gaggara, Nitin Kumar, Fritz Budiyanto
  • Patent number: 8755815
    Abstract: A mobile computing device comprises a wireless transceiver and a processing circuit. The processing circuit is configured to identify a location, to identify a wireless access point within a predetermined distance of the location, to detect a wireless access point identifier using the wireless transceiver, to compare the detected wireless access point identifier to the identified wireless access point, and to initiate location determination based on the comparison.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: June 17, 2014
    Assignee: QUALCOMM Incorporated
    Inventor: Nitin Kumar
  • Patent number: 8749162
    Abstract: A two level lighting ballast is provided, which includes a self-oscillating inverter circuit and a control circuit. The inverter includes an input; an output to selectively provide current to energize a lamp; a switching circuit operating at a switching frequency; a feedback transformer; and an impedance component. The feedback transformer is connected to the output, and drives the switching circuit based on the lamp current. The impedance component is connected in parallel with the feedback transformer, and is operated by the control circuit. When the control circuit enables the impedance component, the switching circuit operates in a first frequency range, and a first lamp current is provided. When the control circuit disables the impedance component, the switching circuit operates in a second frequency range, and a second lamp current is provided. The first frequency range is lower than the second, and the first lamp current is greater than the second.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: June 10, 2014
    Assignee: OSRAM SYLVANIA Inc.
    Inventors: Nitin Kumar, Shashank Bakre, Thomas J. Schalton
  • Publication number: 20140108162
    Abstract: Predicting a performance level of an online advertisement campaign, which is based on an advertising keyword, includes various method, systems, and other components. For example, the advertising keyword may be selected during a process in which the advertising campaign is being created. In response, predicted performance levels are provided that quantify how well the advertisement campaign may perform if certain advertisement audiences are targeted.
    Type: Application
    Filed: October 17, 2012
    Publication date: April 17, 2014
    Applicant: MICROSOFT CORPORATION
    Inventors: NITIN KUMAR, SERTAN ALKAN
  • Patent number: 8698428
    Abstract: A three light level electronic ballast, and methods of operating lamps at three light levels, are provided. The ballast includes a rectifier, a power factor correction circuit, an inverter circuit, a first circuit, a second circuit, and a control circuit. The rectifier receives an AC voltage signal and produces a rectified voltage signal, which the power factor correction circuit receives and uses to provide a corrected voltage signal. The inverter circuit receives the corrected voltage signal and provides an energizing signal to power at least two lamps. The first circuit selectively reduces the current applied to the lamps by the energizing signal. The second circuit selectively prevents the second lamp from being energized by the energizing signal. The control circuit controls the first circuit and the second circuit.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: April 15, 2014
    Assignee: OSRAM SYLVANIA Inc.
    Inventors: Nitin Kumar, Shashank Bakre, Driss Baba, Thomas Schalton
  • Patent number: 8699485
    Abstract: Techniques for handling multicast over link aggregated (LAG) interfaces and integrated routing and bridging (IRB) interfaces in a network device are described in which interfaces, at which a data unit is to be transmitted, may be represented hierarchically in which the LAG interfaces and IRB interfaces are represented as pointers. In one implementation, a device may determine routes for data units, where a route for a multicast data unit is represented as a set of interfaces of the device at which the data unit is to be output. Entries in the set of interfaces may include physical interfaces of the device and pointers to LAG interfaces or pointers to the IRB interfaces. The device may generate tokens to represent routes for data units and resolve the pointers to the LAG interfaces or the IRB interfaces to obtain physical interfaces of the router corresponding to a LAG or an IRB.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: April 15, 2014
    Assignee: Juniper Networks, Inc.
    Inventors: Murtuza Attarwala, Nitin Kumar, Alok Khambatkone
  • Patent number: 8686659
    Abstract: A ballast that selectively operates multiple lamps is provided. The ballast includes a switching network, capable of operating in a number of switching configurations. The ballast also includes a control circuit, and two lamp control switches. The control circuit is connected to the switching network, and provides respective control signals via respective output terminals as a function of the switching configuration of the switching network. Each lamp control switch is in parallel with its lamp and is connected to a respective output terminal. The first lamp control switch is connected to a ballast power supply, and either provides power to the first lamp or does not, depending on the first control signal. The second lamp control switch is connected to the first lamp control switch and to ground, and either provides power to the second lamp or does not, depending on the second control signal.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: April 1, 2014
    Assignee: OSRAM SYLVANIA Inc.
    Inventors: Nitin Kumar, Shashank Bakre, Thomas J. Schalton
  • Patent number: 8674617
    Abstract: A lighting system converter circuit of a lamp power converter to selectively operate a plurality of lamps connected thereto is provided. The lighting system converter circuit includes a first impedance circuit and a second impedance circuit. Each impedance circuit includes an input terminal, an impedance component, and a switching network. The impedance components are each configured to connect in series with the lamps. Each input terminal is configured to receive a control signal that indicates a state of a switch. Each control signal has a first logic level, indicating the switch is non-conductive, and a second logic level, indicating the switch is conductive. Each switching network is connected to its respective input terminal and in parallel with its respective impedance component, and is configured to selectively operate between a conductive state and a non-conductive state, as a function of the logic level of its respective control signal.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: March 18, 2014
    Assignee: OSRAM SYLVANIA Inc.
    Inventors: Nitin Kumar, Shashank Bakre