Patents by Inventor Amit Kumar Srivastava

Amit Kumar Srivastava 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).

  • Publication number: 20180157286
    Abstract: In one embodiment, an apparatus includes a clock control circuit to generate a clock signal for communication on an interconnect. The clock control circuit may be configured to receive an indication of a next device of a plurality of devices to be accessed and to dynamically update a control signal to cause the communication of the clock signal to be dynamically switched between a fixed clock frequency and a spread spectrum clock frequency based at least in part on the indication of communication to the next device. Other embodiments are described and claimed.
    Type: Application
    Filed: December 1, 2016
    Publication date: June 7, 2018
    Inventors: Duane G. Quiet, Amit Kumar Srivastava, Kenneth P. Foust
  • Publication number: 20180123589
    Abstract: Apparatuses and methods associated with voltage tolerant termination presence detection for universal serial bus type-C connectors are disclosed herein. In embodiments, an apparatus to enable voltage tolerant termination presence detection may include sensor circuitry to determine whether a device coupled to the sensor circuitry is to operate in host mode or device mode based on a signal on a configuration channel between the device and the sensor circuitry. In embodiments, the apparatus may further include termination circuitry to bias the configuration channel in accordance with the host mode or the device mode based on the determination of whether the device is to operate in the host mode or the device mode. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: October 2, 2017
    Publication date: May 3, 2018
    Inventor: Amit Kumar Srivastava
  • Patent number: 9932336
    Abstract: The present invention relates to an improved process for the preparation of Apixaban and intermediates thereof. Further the present invention also relates to novel intermediate of Formula V and its process for the preparation.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: April 3, 2018
    Assignee: JUBILANT GENERICS LIMITED
    Inventors: Khushwant Singh, Amit Kumar Srivastava, Ratnakar Tripathi, Jai Prakash Verma, Dharam Vir, Lalit Kumar, Mukesh Masand, Rajendra Singh Shekhawat, Rakesh Tiwari, Sujay Biswas
  • Publication number: 20180091148
    Abstract: An apparatus is provided which comprises: a data sampler coupled to an output of a driver, wherein the data sampler is to sample data and to compare it with a first threshold voltage and a second threshold voltage, and wherein the data sampler is to generate an up or down indicator according to comparing the data with the first and second threshold voltages; and logic coupled to the data sampler, wherein the logic is to receive the up or down indicator and to increment or decrement a number of already DC compensated impedance legs of the driver according to the up or down indicator.
    Type: Application
    Filed: September 28, 2016
    Publication date: March 29, 2018
    Inventors: Siti Suhaila MOHD YUSOF, Amit Kumar SRIVASTAVA, Lay Hock KHOO, Chin Boon TEAR
  • Publication number: 20180052791
    Abstract: In an embodiment, a host device includes: a transceiver to communicate information on an interconnect; a controller to control operation of the transceiver and to be a master for the interconnect; and a role transfer logic to cause a secondary device to be the master for the interconnect when at least a portion of the host device is to enter into a low power. Other embodiments are described and claimed.
    Type: Application
    Filed: August 16, 2016
    Publication date: February 22, 2018
    Inventors: Amit Kumar Srivastava, Duane G. Quiet, Kenneth P. Foust
  • Publication number: 20180011528
    Abstract: In some embodiments, provided are circuits and approaches for responding to wake requests over a data bus such as with a USB interface. An interconnect PHY may be placed into an aggressive power reduction mode and in response to a detected wake request on the bus, respond in a sufficient time by keeping at least a portion of a transmitter data path in the PHY powered on during the reduced power mode and responding to the wake request while the PHY re-boots in the background.
    Type: Application
    Filed: December 8, 2014
    Publication date: January 11, 2018
    Applicant: Intel Corporation
    Inventors: Amit Kumar Srivastava, Jia Jun Lee, Asad Azam
  • Publication number: 20180004699
    Abstract: In one embodiment, a host controller is to couple to an interconnect to which a plurality of devices may be coupled. The host controller may include: a first driver to drive first information onto the interconnect; and a first receiver to receive second information comprising parameter information of at least one of the plurality of devices from the interconnect. The host controller may further include an integrity control circuit to receive the parameter information of the at least one of the plurality of devices and dynamically update at least one capability of the host controller based at least in part on the parameter information. Other embodiments are described and claimed.
    Type: Application
    Filed: June 30, 2016
    Publication date: January 4, 2018
    Inventors: Duane G. Quiet, Amit Kumar Srivastava, Kenneth P. Foust
  • Publication number: 20170346617
    Abstract: In one embodiment, an apparatus includes a clock channel to receive and distribute a clock signal to a plurality of data channels. At least some of the data channels may include: a first sampler to sample data; a second sampler to sample the data; and a deskew calibration circuit to receive first sampled data from the first sampler and second sampled data from the second sampler and generate a local calibration signal for use in the corresponding data channel. The apparatus may further include a global deskew calibration circuit to receive the clock signal from the clock channel, receive the first sampled data and the second sampled data from the plurality of data channels, and generate a global calibration signal for provision to the plurality of data channels. Other embodiments are described and claimed.
    Type: Application
    Filed: May 24, 2016
    Publication date: November 30, 2017
    Inventors: Chenchu Punnarao Bandi, Amit Kumar Srivastava
  • Patent number: 9832006
    Abstract: In one embodiment, an apparatus includes a clock channel to receive and distribute a clock signal to a plurality of data channels. At least some of the data channels may include: a first sampler to sample data; a second sampler to sample the data; and a deskew calibration circuit to receive first sampled data from the first sampler and second sampled data from the second sampler and generate a local calibration signal for use in the corresponding data channel. The apparatus may further include a global deskew calibration circuit to receive the clock signal from the clock channel, receive the first sampled data and the second sampled data from the plurality of data channels, and generate a global calibration signal for provision to the plurality of data channels. Other embodiments are described and claimed.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: November 28, 2017
    Assignee: Intel Corporation
    Inventors: Chenchu Punnarao Bandi, Amit Kumar Srivastava
  • Publication number: 20170313699
    Abstract: The present invention relates to an improved process for the preparation of Apixaban and intermediates thereof. Further the present invention also relates to novel intermediate of Formula V and its process for the preparation.
    Type: Application
    Filed: October 20, 2015
    Publication date: November 2, 2017
    Applicant: JUBILANT GENERICS LIMITED
    Inventors: Khushwant SINGH, Amit Kumar SRIVASTAVA, Ratnakar TRIPATHI, Jai Prakash VERMA, Dharam VIR, Lalit KUMAR, Mukesh MASAND, Rajendra Singh SHEKHAWAT, Rakesh TIWARI, Sujay BISWAS
  • Publication number: 20170286360
    Abstract: An example system for side band communication can include a processor, a system-on-chip (SOC), and a repeater communicatively coupled to the processor and the SOC. The repeater can receive packets from a first transceiver. The repeater can also detect a pattern in the packets to identify a guest protocol. The repeater can further send the packets from the first transceiver to the SOC via a second transceiver based on the identified guest protocol.
    Type: Application
    Filed: March 29, 2016
    Publication date: October 5, 2017
    Applicant: Intel Corporation
    Inventor: Amit Kumar Srivastava
  • Publication number: 20170286358
    Abstract: Described is an I3C Repeater. The I3C Repeater may have a first circuitry with an I3C interface, a second circuitry with an I2C interface, and a datapath circuitry coupled to the first circuitry and the second circuitry. The second circuitry may be operable to convert a transaction received on the I2C interface into a transaction for the I3C interface, and to convert a transaction received on the I3C interface into a transaction for the I2C interface. The I3C Repeater may also have additional circuitries operable to convert transactions received on one of an SPI interface, a UART interface, and a Debug bus interface into transactions for the I3C interface, and vice-versa.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 5, 2017
    Inventor: Amit Kumar Srivastava
  • Publication number: 20170288668
    Abstract: Apparatuses and methods associated with voltage tolerant termination presence detection for universal serial bus type-C connectors are disclosed herein. In embodiments, an apparatus to enable voltage tolerant termination presence detection may include sensor circuitry to determine whether a device coupled to the sensor circuitry is to operate in host mode or device mode based on a signal on a configuration channel between the device and the sensor circuitry. In embodiments, the apparatus may further include termination circuitry to bias the configuration channel in accordance with the host mode or the device mode based on the determination of whether the device is to operate in the host mode or the device mode. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 5, 2017
    Inventor: Amit Kumar Srivastava
  • Patent number: 9780783
    Abstract: Apparatuses and methods associated with voltage tolerant termination presence detection for universal serial bus type-C connectors are disclosed herein. In embodiments, an apparatus to enable voltage tolerant termination presence detection may include sensor circuitry to determine whether a device coupled to the sensor circuitry is to operate in host mode or device mode based on a signal on a configuration channel between the device and the sensor circuitry. In embodiments, the apparatus may further include termination circuitry to bias the configuration channel in accordance with the host mode or the device mode based on the determination of whether the device is to operate in the host mode or the device mode. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: October 3, 2017
    Assignee: Intel Corporation
    Inventor: Amit Kumar Srivastava
  • Patent number: 9742603
    Abstract: In accordance with embodiments disclosed herein, there is provided systems and methods for link training between a host device and a device. The host device includes a clock source, front-end circuitry, a duty cycle monitor (DCM), link training logic, and a duty cycle adjustor (DCA). The front-end circuitry is to transmit a training sequence and a forward clock signal to the device and is to receive a strobe signal from the device over a physical transmission media. The DCM is to monitor duty cycle of the strobe signal and duty cycle of the clock signal. The link training logic is to determine a adjustment to the clock signal and is to generate a control signal. The DCA is to receive the clock signal and the control signal and is to adjust the clock signal to generate an adjusted forward clock signal in view of the control signal.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: August 22, 2017
    Assignee: Intel Corporation
    Inventors: Chenchu Punnarao Bandi, Amit Kumar Srivastava, Sabyasachi Mohapatra
  • Publication number: 20170170646
    Abstract: Described is an apparatus which comprises: one or more signal lines; a transceiver coupled to the one or more signal lines; and a bias generation circuit to provide one or more bias voltages for the transceiver to tri-state the transceiver according to signal attributes of the one or more signal lines.
    Type: Application
    Filed: February 27, 2017
    Publication date: June 15, 2017
    Inventors: Amit Kumar SRIVASTAVA, Karthik NS, Raghavendra Devappa SHARMA, Dharmaray NEDALGI, Prasad BHILAWADI
  • Patent number: 9652351
    Abstract: The present techniques include detecting a charger and remote host for a Type-C connector. An apparatus, system, and method are described herein. The apparatus comprises a USB Type-C port and a USB receiver detector. A charger and a remote host are differentiated based on the USB receiver detector.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: May 16, 2017
    Assignee: Intel Corporation
    Inventors: Amit Kumar Srivastava, Karthi R. Vadivelu
  • Publication number: 20170123470
    Abstract: Apparatuses, systems and methods associated with electrical fast transient tolerant input/output (I/O) communication (e.g., universal serial bus (USB)) design are disclosed herein. In embodiments, an apparatus may include common mode extraction circuitry to extract a common mode voltage from a USB input signal for a USB device, compare the common mode voltage with a reference voltage range and determine, based on the comparison, that the common mode voltage is outside of the reference voltage range. In the embodiments, the apparatus may further include processing circuitry to adjust the common mode voltage to within the reference voltage range. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: October 28, 2015
    Publication date: May 4, 2017
    Inventor: AMIT KUMAR SRIVASTAVA
  • Patent number: 9628124
    Abstract: Embodiments of the present disclosure provide techniques and configurations for an apparatus for mitigating interference in sensor signals. In one instance, the apparatus may include sensors and a processing block couplable with the sensors. The processing block may include a front end block to receive sensor signals, and tunable filter block to filter the sensor signals. The apparatus may further include a correction block. The correction block may include a replica of the front end block, and may be configured to receive interference information. A controller may operate the correction block to adjust the tunable filter block, based on interference information, and connect the sensors with the processing block after adjustment. The controller may operate the processing block, in response to connection of the processing block with the sensors, to initiate processing of sensor signals filtered by the filter block, to mitigate interference. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: April 18, 2017
    Assignee: Intel Corporation
    Inventor: Amit Kumar Srivastava
  • Publication number: 20170091131
    Abstract: A universal interconnection scheme enables system architecture modularization with a hot-pluggable external computing module, such as a PC-on-a-card device using USB type-C technology. With the flexibility to interchange the system computing module with an external module, system performance can be augmented to fulfill the essential needs of the user, whether the system is a portable low-power tablet device, a smartphone, a wearable device such as an Internet of Things device, or a high-performance PC.
    Type: Application
    Filed: September 24, 2015
    Publication date: March 30, 2017
    Inventors: KHANG CHOONG YONG, KHAI ERN SEE, AMIT KUMAR SRIVASTAVA, JACKSON CHUNG PENG KONG, TEONG KEAT BEH, ENG HUAT GOH