Patents by Inventor Subramanian Krishnamurthy

Subramanian Krishnamurthy 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: 11555963
    Abstract: Structures for an optical power splitter and methods of forming a structure for an optical power splitter. The structure includes a first waveguide core having a first arm, a second waveguide core including a second arm, and a third waveguide core having a third arm laterally positioned between the first arm and the second arm. The third arm has a longitudinal axis. The first arm is longitudinally offset from the third arm parallel to the longitudinal axis such that the third arm and the first arm are laterally adjacent over a first overlap distance. The second arm is longitudinally offset from the third arm parallel to the longitudinal axis such that the third arm and the second arm are laterally adjacent over a second overlap distance. The first overlap distance is greater than the second overlap distance to provide an overlap offset.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: January 17, 2023
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Subramanian Krishnamurthy, Yusheng Bian
  • Publication number: 20220413217
    Abstract: Structures for an optical power splitter and methods of forming a structure for an optical power splitter. The structure includes a first waveguide core having a first arm, a second waveguide core including a second arm, and a third waveguide core having a third arm laterally positioned between the first arm and the second arm. The third arm has a longitudinal axis. The first arm is longitudinally offset from the third arm parallel to the longitudinal axis such that the third arm and the first arm are laterally adjacent over a first overlap distance. The second arm is longitudinally offset from the third arm parallel to the longitudinal axis such that the third arm and the second arm are laterally adjacent over a second overlap distance. The first overlap distance is greater than the second overlap distance to provide an overlap offset.
    Type: Application
    Filed: June 25, 2021
    Publication date: December 29, 2022
    Inventors: Subramanian Krishnamurthy, Yusheng Bian
  • Patent number: 8683273
    Abstract: Method and application server for providing an asynchronous error notification from an application server to an application server controller in a network is provided. The method at the application server includes generating an error message when an error occurs at/during Open Service Gateway initiative (OSGi) framework runtime. The method also includes converting the error message as a Universal Plug and Play (UPnP) event. Moreover, the method includes providing the UPnP event comprising error information to the application server controller. The application server includes a receiver configured to receive a command from an application server controller to install an application in an Open Service Gateway initiative (OSGi) framework available at the application server. The application server also includes a processor configured to generate an error message when an error occurs during installation of the application in the framework and convert the error message as a Universal Plug and Play (UPnP) event.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: March 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Shin Jung, Joo-Yeol Lee, Siddapur Channakeshava Sreekanth, Subramanian Krishnamurthy, Vedula Kiran Bharadwaj
  • Patent number: 8433545
    Abstract: A system for compensating electromagnetic interfering fields is provided that includes two triaxial magnetic field sensors for outputting real sensor signals; six compensation coils, which are arranged as a cage around an object to be protected, and may individually be actuated; a control unit having six inputs, and six outputs, and a digital processor receiving the sensor signals on the input side, and processing the signals to control signals for the compensation coils. The real sensor signals are converted to virtual sensor signals by a first matrix multiplication for mapping the interfering fields at the location of the object. The virtual sensor signals are made to modified signals by an operator describing the controller structure. The modified signals are converted to real control signals by a second matrix multiplication, which control signals are individually fed to the six compensation coils.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: April 30, 2013
    Assignee: Integrated Dynamics Engineering GmbH
    Inventors: Peter Kropp, Subramanian Krishnamurthy
  • Patent number: 8429679
    Abstract: Method and central server for handling of a framework shutdown in a network is disclosed. The method includes generating an event related to a framework shutdown. The method also includes converting the event as a Universal Plug and Play (UPnP) event. The method further includes delivering the converted event to one or more controllers present in the network. The central server includes a processor configured a processor configured to generate an event related to a framework shutdown and to convert the event as a Universal Plug and Play (UPnP) event. The central serve also includes a transmitter configured to deliver the converted event to one or more controllers present in the network.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: April 23, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Dong-Shin Jung, Joo-Yeol Lee, Siddapur Channakeshava Sreekanth, Subramanian Krishnamurthy, Vedula Kiran Bharadwaj
  • Publication number: 20120004951
    Abstract: A method for tracking metrics, goals and personal accomplishments may include receiving, by a processing device, each electronic message tagged by the employee as a personal accomplishment. The method may also include storing each tagged electronic message, by the processing device, in a database associate with a personal accomplishments tracking system. The method may additionally include providing, by the processing device, each tagged electronic message to the employee for sorting and analysis.
    Type: Application
    Filed: June 30, 2010
    Publication date: January 5, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: REKHA D. GARAPATI, SUBRAMANIAN KRISHNAMURTHY, ANINDYA NEOGI, ATUL SAXENA
  • Publication number: 20110144953
    Abstract: A system for compensating electromagnetic interfering fields is provided that includes two triaxial magnetic field sensors for outputting real sensor signals; six compensation coils, which are arranged as a cage around an object to be protected, and may individually be actuated; a control unit having six inputs, and six outputs, and a digital processor receiving the sensor signals on the input side, and processing the signals to control signals for the compensation coils. The real sensor signals are converted to virtual sensor signals by a first matrix multiplication for mapping the interfering fields at the location of the object. The virtual sensor signals are made to modified signals by an operator describing the controller structure. The modified signals are converted to real control signals by a second matrix multiplication, which control signals are individually fed to the six compensation coils.
    Type: Application
    Filed: June 14, 2010
    Publication date: June 16, 2011
    Inventors: Peter Kropp, Subramanian Krishnamurthy
  • Publication number: 20100332687
    Abstract: Method and Open Services Gateway initiative (OSGi) device for selective execution of commands from a controller device in Open Services Gateway initiative (OSGi) framework are provided. The method includes receiving a request for execution of a command from a controller device. The method also includes determining if the command is associated with a unique identifier of the controller device based on a reference database. The reference database stores the unique identifier of the controller device and a set of commands associated with the unique identifier. The method further includes executing the command when the command is associated with the unique identifier.
    Type: Application
    Filed: June 29, 2010
    Publication date: December 30, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: DongShin JUNG, Jooyeol Lee, Siddapur Channakeshava Sreekanth, Subramanian Krishnamurthy, Kiran Bharadwaj Vedula
  • Publication number: 20100257542
    Abstract: Method and central server for handling of a framework shutdown in a network is disclosed. The method includes generating an event related to a framework shutdown. The method also includes converting the event as a Universal Plug and Play (UPnP) event. The method further includes delivering the converted event to one or more controllers present in the network. The central server includes a processor configured a processor configured to generate an event related to a framework shutdown and to convert the event as a Universal Plug and Play (UPnP) event. The central serve also includes a transmitter configured to deliver the converted event to one or more controllers present in the network.
    Type: Application
    Filed: November 19, 2008
    Publication date: October 7, 2010
    Inventors: Dong-Shin Jung, Joo-Yeol Lee, Siddapur Channakeshava Sreekanth, Subramanian Krishnamurthy, Vedula Kiran Bharadwaj
  • Patent number: 6157987
    Abstract: A method and an apparatus for providing requested data to a pipeline processor. A pipeline processor in a graphics computer system is provided with a data caching mechanism which supplies requested data to one of the stages in the pipeline processor after a request from a prior stage in the pipeline processor. With the sequential nature of the pipeline processor, a prior stage which knows in advance the data which will be requested by a subsequent stage can make a memory request to the disclosed data caching mechanism. When processing reaches the subsequent stage in the pipeline processor, the displayed data caching mechanism provides the requested data to the subsequent processing stage with minimal or no lag time from memory access. In addition, the disclosed data caching mechanism features an adaptive cache memory which is optimized to provide maximum performance based on the particular mode in which the associated pipeline processor is operating.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: December 5, 2000
    Assignee: Micron Technology, Inc.
    Inventors: Subramanian Krishnamurthy, James Peterson, Glenn Poole, Walt Donovan
  • Patent number: 6071457
    Abstract: An improved mold system (20) is provided. The mold system (20) includes a mold (30) having at least one mold cavity (28). A pot (22) is connected to each of the mold cavities (28) through a runner system (24). A bellows container (50) containing a molding material (60) is disposed with the pot (22). A plunger (31) applies a compressive load to the molding material (60) contained with the bellows container (50) to force the molding material (60) through the runner system (24) into the mold cavities (28).
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: June 6, 2000
    Assignee: Texas Instruments Incorporated
    Inventors: George A. Bednarz, Jeremias P. Libres, Subramanian Krishnamurthy, Thongioem Phanatnok
  • Patent number: 5767862
    Abstract: A method and an apparatus for writing display data to and reading display data from a FIFO. In one embodiment of the present invention, a memory controller coupled to a memory is configured to retrieve display data from the memory and write the retrieved data to a FIFO. The memory controller retrieves the display data from the memory in response to a FIFO write signal received from an output display controller. The output display controller is further configured to generate a FIFO read signal which is received by the FIFO. In response to the FIFO read signal, display data entries are sequentially read from the FIFO and transferred to an output display. The present invention features a programmable memory circuit such as a register, configured to store the value pointing to a particular display data entry in the FIFO. When the particular display data entry is read, a subsequent FIFO write signal is issued to the memory controller.
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: June 16, 1998
    Assignee: Rendition, Inc.
    Inventors: Subramanian Krishnamurthy, James Peterson, Paul Shupak
  • Patent number: 5761720
    Abstract: A method and an apparatus for providing requested data to a pipeline processor. A pipeline processor in a graphics computer system is provided with a data caching mechanism which supplies requested data to one of the stages in the pipeline processor after a request from a prior stage in the pipeline processor. With the sequential nature of the pipeline processor, a prior stage which knows in advance the data which will be requested by a subsequent stage can make a memory request to the data caching mechanism. When processing reaches the subsequent stage in the pipeline processor, the displayed data caching mechanism provides the requested data to the subsequent processing stage with minimal or no lag time from memory access. In addition, the data caching mechanism includes an adaptive cache memory which is optimized to provide maximum performance based on the particular mode in which the associated pipeline processor is operating.
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: June 2, 1998
    Assignee: Rendition, Inc.
    Inventors: Subramanian Krishnamurthy, James Peterson, Glenn Poole, Walt Donovan
  • Patent number: 5490199
    Abstract: Non-intrusive monitoring and analysis of real-time facsimile transmissions is accomplished. Analog impairment measurements are made on the high speed page signal in those transmissions and protocol analysis is made on the low speed control messages in those transmissions. These measurements and analysis are a powerful tool for trouble shooting service problems afflicting facsimile transmissions. Real customer traffic can be monitored to detect circuit impairments and to evaluate service being provided. A selected incoming trunk of a central office switch is accessed and a monitoring function with respect to that trunk is established. A signal classification operation is performed, which identifies the presence of a facsimile transmission and what kind of facsimile transmission it is.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: February 6, 1996
    Assignee: AT&T Corp.
    Inventors: Richard C. Fuller, Thomas W. Goeddel, R. B. Heick, Martin Herzlinger, Subramanian Krishnamurthy
  • Patent number: 5299257
    Abstract: Non-intrusive monitoring and analysis of real-time facsimile transmissions is accomplished. Analog impairment measurements are made on the high speed page signal in those transmissions and protocol analysis is made on the low speed control messages in those transmissions. These measurements and analysis are a powerful tool for trouble shooting service problems afflicting facsimile transmissions. Actual customer traffic can be monitored to detect circuit impairments and to evaluate service being provided. Customer complaints can be handled by providing them with a special phone number which may be called to provide the ability to have the facsimile transmission experiencing a problem specially directed through the facsimile analyzer and forwarded to the intended destination while it is being non-intrusively monitored by service personnel who then can quickly provide the customer with a diagnosis of the problem.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: March 29, 1994
    Assignee: AT&T Bell Laboratories
    Inventors: Richard C. Fuller, Thomas W. Goeddel, R. B. Heick, Martin Herzlinger, Subramanian Krishnamurthy