Patents by Inventor Shantanu Sarkar

Shantanu Sarkar 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: 10313514
    Abstract: A method for mediating a communication session between a first user and a second user is disclosed. The method includes storing, in a registry, device information for the second user. The device information includes a list of two or more devices associated with the second user, and, for each device, a list of one or more capabilities of the device. The method also includes selecting, for a communication session of a first type, a second device from the list of two or more devices by sorting the plurality of device information. Additionally, the method includes receiving a request to open a communication session with the second user. The request originates from a first device of the first user and includes a first session type identifier of the first type. Further, the method includes, in response to receiving the request, returning a response including device information of the second device.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: June 4, 2019
    Assignee: Plantronics, Inc.
    Inventors: Cary Bran, Shantanu Sarkar
  • Patent number: 10299693
    Abstract: Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A medical device monitors a primary diagnostic parameter that is indicative of worsening heart failure, such as intrathoracic impedance or pressure, and one or more secondary diagnostic parameters. The medical device detects worsening heart failure in the patient based on the primary diagnostic parameter when an index that is changed over time based on the primary diagnostic parameter value is outside a range of values, termed the threshold zone. When the index is within the threshold zone, the medical device detects worsening heart failure in the patient based on the one or more secondary diagnostic parameters. Upon detecting worsening heart failure, the medical device may, for example, provide an alert that enables the patient to seek medical attention before experiencing a heart failure event.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: May 28, 2019
    Assignee: Medtronic, Inc.
    Inventors: Shantanu Sarkar, Douglas A. Hettrick, Robert W. Stadler
  • Publication number: 20190086910
    Abstract: The invention relates to a method for dynamic model-based ringer profiles. The method includes receiving one or more incoming calls, and, based on the one or more incoming calls, generating one or more incoming call records. Each of the incoming call records includes an elapsed ringing time value associated with one of the incoming calls. Also, the method includes storing one or more ringer profiles. The ringer profiles are generated using the one or more incoming call records. The ringer profiles include a current ringer profile. Further, the method includes receiving a new incoming call, and, in response to receiving the new incoming call, sounding a ringtone according to the current ringer profile.
    Type: Application
    Filed: September 20, 2017
    Publication date: March 21, 2019
    Applicant: Plantronics, Inc.
    Inventor: Shantanu Sarkar
  • Publication number: 20190082477
    Abstract: A method is disclosed for performing extension mobility via a headset connection. The method includes receiving a headset identifier from a headset. Also, the method includes, in response to receiving the headset identifier, sending the headset identifier to a device management server. Further, the method includes receiving a call control user identifier from the device management server, and sending, to a call control server, the call control user identifier. Still yet, the method includes receiving, from the call control server, a configuration profile associated with the call control user identifier. One or more settings of a desk phone are configured using the configuration profile.
    Type: Application
    Filed: September 14, 2017
    Publication date: March 14, 2019
    Applicant: Plantronics, Inc.
    Inventors: Joe Burton, Cary Bran, Shantanu Sarkar, Philip Sherburne
  • Patent number: 10187364
    Abstract: A wearable user device is provided, which can be donned and doffed by a user, and which is configured for use in a user authentication system. To enhance the security of a user authentication, the wearable user device comprises a detector device to detect a donned or doffed condition of said wearable user device; and an alert processing module, connected with said detector device. The alert processing module is configured to determine whether said wearable user device is doffed forcefully, and if said wearable user device is doffed forcefully, to transmit an authentication exception corresponding to a forceful doffed condition to an authentication server.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: January 22, 2019
    Assignee: Plantronics, Inc.
    Inventors: Shantanu Sarkar, Timothy P Johnston, Cary Bran, Joe Burton
  • Patent number: 10096311
    Abstract: Methods and apparatuses for addressing open space noise are disclosed. In one example, a method for masking open space noise includes receiving a plurality of mobile device microphone data from a plurality of mobile devices. A location data associated with each mobile device in the plurality of mobile devices is received. A plurality of stationary microphone data is received from a plurality of stationary microphones. A sound masking noise output is adjusted at one or more loudspeakers responsive to the plurality of mobile device microphone data and the plurality of stationary microphone data.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: October 9, 2018
    Assignee: Plantronics, Inc.
    Inventors: Shantanu Sarkar, Joe Burton, John H Hart, Cary Bran, Philip Sherburne
  • Publication number: 20180261202
    Abstract: The invention relates to a method for centralized control of multiple active noise cancellation devices. The method includes identifying a trigger event. Also, the method includes identifying, in response to identifying the trigger event, two or more zones of a mapped area. Further, the method includes identifying, based on the two or more zones, two or more devices. Still yet, the method includes transmitting a command to disable active noise cancellation on each of the two or more devices.
    Type: Application
    Filed: March 9, 2017
    Publication date: September 13, 2018
    Applicant: Plantronics, Inc
    Inventors: Shantanu Sarkar, Cary Bran, Joe Burton, Philip Sherburne, John H. Hart
  • Patent number: 10074356
    Abstract: The invention relates to a method for centralized control of multiple active noise cancellation devices. The method includes identifying a trigger event. Also, the method includes identifying, in response to identifying the trigger event, two or more zones of a mapped area. Further, the method includes identifying, based on the two or more zones, two or more devices. Still yet, the method includes transmitting a command to disable active noise cancellation on each of the two or more devices.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: September 11, 2018
    Assignee: Plantronics, Inc.
    Inventors: Shantanu Sarkar, Cary Bran, Joe Burton, Philip Sherburne, John H Hart
  • Publication number: 20180168502
    Abstract: Sensing circuitry of an implantable medical device (IMD) system may sense a cardiac signal that varies according to a cardiac cycle of a patient. Processing circuitry of the IMD system may determine a series of consecutive cardiac cycle length metric values based on the sensed cardiac signal, identify a plurality of pairs of the cardiac cycle length metrics, each of the pairs of cardiac cycle length metrics separated by an integer ā€˜nā€™ of the cardiac cycle length metrics, and construct a distribution of the pairs of cardiac cycle length metrics based on values of the cardiac cycle length metrics for each of the pairs. The processing circuitry may detect a sleep apnea episode of the patient based on one or more characteristics of the constructed distribution, and control communication circuitry of the IMD system to transmit an indication of the detected sleep apnea episode to the external computing device.
    Type: Application
    Filed: December 16, 2016
    Publication date: June 21, 2018
    Inventors: Yong K. Cho, Shantanu Sarkar, Eduardo N. Warman
  • Patent number: 9977884
    Abstract: An authentication server, an application device and a probability-based user authentication system and method are disclosed. To simplify authentication while keeping a high level of security, the authentication server comprises at least an authentication probability evaluation module for determining a probability of requestor identification. The authentication server is configured to at least receive an authentication request from an authenticator, said authentication request comprises at least user identification data. The authentication probability evaluation module is configured upon reception of said user identification data to receive user behavior information, corresponding to the received user identification data from a user information database; and to determine a user probability value by comparing at least said user behavior information with authenticator application data. The requestor is authenticated in dependence of said determined user probability value.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: May 22, 2018
    Assignee: Plantronics, Inc.
    Inventors: Shantanu Sarkar, Timothy P Johnston, Cary Bran, Joe Burton
  • Publication number: 20180126172
    Abstract: Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A system is provided that monitors a multiple diagnostic parameters indicative of worsening heart failure. The parameters preferably include are least one parameter acquired from an implanted device, such as intrathoracic impedance. The system device derives an index of the likelihood of worsening heart failure based upon the parameters using a Bayesian approach and displays the resultant index for review by a physician.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 10, 2018
    Inventors: Shantanu Sarkar, Douglas A. Hettrick, Amul Y. Desai, Randolph M. Biallas, Holly S. Vitense, Jodi L. Redemske
  • Patent number: 9962102
    Abstract: A method and implantable medical device for determining a flutter event in response to a cardiac signal that includes sensing the cardiac signal, determining a sensing window in response to the sensed cardiac signal, the sensing window having a first portion and a second portion. A first derivative signal and a second derivative signal are determined in response to the sensed cardiac signal within the first portion and the second portion of the sensing window, and a sum of amplitudes of the second derivative signal within one or both of the first portion and the second portion of the sensing window is determined, and the flutter event is determined in response to the determined sum of amplitudes.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: May 8, 2018
    Assignee: Medtronic, Inc.
    Inventors: Shantanu Sarkar, Daniel L Hansen, Grant A Neitzell
  • Patent number: 9936890
    Abstract: An implantable medical device and method for determining an atrial arrhythmia event that includes a cardiac sensing device comprising a housing having circuitry positioned therein, a plurality of electrodes electrically coupled to the circuitry to sense a cardiac signal, and a processor configured to generate an initial detection of an atrial arrhythmia event in response to an atrial arrhythmia threshold, determine whether a P-wave occurs during the initial detection, determine an adaptive threshold in response to the P-wave being detected, adjust the atrial arrhythmia threshold in response to the adaptive threshold, and generate a subsequent initial detection of an atrial arrhythmia event using the adjusted atrial arrhythmia threshold.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: April 10, 2018
    Assignee: Medtronic, Inc.
    Inventors: Shantanu Sarkar, Daniel L Hansen, Grant A Neitzell, Jerry D Reiland, Ryan Wyszynski
  • Patent number: 9901276
    Abstract: A cardiac monitoring device for determining the occurrence of a sick sinus syndrome condition of a patient that includes a plurality of electrodes to sense a cardiac signal, a sensing module electrically coupled to the plurality of electrodes having circuitry positioned therein to receive the sensed cardiac signal, and a processor coupled to the sensing module and configured to determine an RR interval variability during an RR interval variability session in response to the sensed cardiac signal, determine whether a P-wave occurs during the RR interval variability session, determine whether a sick sinus indicator is satisfied in response to a P-wave occurring, increment a sick sinus count in response to the sick sinus indicator being satisfied, determine whether a sick sinus burden is satisfied in response to the sick sinus count being incremented, and determine the occurrence of sick sinus syndrome in response to the sick sinus burden being satisfied.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: February 27, 2018
    Assignee: Medtronic, Inc.
    Inventor: Shantanu Sarkar
  • Publication number: 20180028082
    Abstract: Techniques and devices for implementing the techniques for adjusting atrial arrhythmia detection based on analysis of one or more P-wave sensing windows associated with one or more R-waves. An implantable medical device may determine signal characteristics of the cardiac signal within the P-wave sensing window, determine whether the cardiac signal within the sensing window corresponds to a P-wave based on the determined signal characteristics, determine a signal to noise ratio of the cardiac signal within the sensing window, update the arrhythmia score when the P wave is identified in the sensing window and the determined signal to noise ratio satisfies a signal to noise threshold.
    Type: Application
    Filed: February 18, 2016
    Publication date: February 1, 2018
    Applicant: Medtronic, Inc.
    Inventors: Shantanu SARKAR, Daniel L. HANSEN, Grant A. NEITZELL, Jerry D. REILAND, Ryan WYSZYNSKI
  • Publication number: 20170360320
    Abstract: Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A medical device monitors a primary diagnostic parameter that is indicative of worsening heart failure, such as intrathoracic impedance or pressure, and one or more secondary diagnostic parameters. The medical device detects worsening heart failure in the patient based on the primary diagnostic parameter when an index that is changed over time based on the primary diagnostic parameter value is outside a range of values, termed the threshold zone. When the index is within the threshold zone, the medical device detects worsening heart failure in the patient based on the one or more secondary diagnostic parameters. Upon detecting worsening heart failure, the medical device may, for example, provide an alert that enables the patient to seek medical attention before experiencing a heart failure event.
    Type: Application
    Filed: August 14, 2017
    Publication date: December 21, 2017
    Inventors: Shantanu Sarkar, Douglas A. Hettrick, Robert W. Stadler
  • Publication number: 20170325733
    Abstract: Systems and methods for assessing sympathetic nervous system (SNS) tone for renal neuromodulation therapy are disclosed herein. A system configured in accordance with embodiments of the present technology can include, for example, a detector attached to or implanted in a patient and a receiver communicatively coupled to the detector. The detector can measure cardiac data and the receiver and/or a device communicatively coupled thereto can analyze the cardiac data to provide one or more SNS tone indicators. The SNS tone indicators can be used to determine whether a patient will be responsive to a neuromodulation therapy and/or whether a neuromodulation therapy was effective.
    Type: Application
    Filed: December 17, 2015
    Publication date: November 16, 2017
    Inventors: DOUGLAS HETTRICK, Shantanu SARKAR
  • Patent number: 9818282
    Abstract: Wearable electronic communication devices having corresponding methods and computer-readable media comprise: an accelerometer; a don/doff detector; a transmitter; a processor configured to i) determine whether the wearable electronic communication device has experienced a fall based on information produced by the accelerometer, ii) determine whether the wearable electronic communication device was being worn during the fall based on information produced by the don/doff detector, and iii) cause the transmitter to transmit a message from the wearable electronic communication device responsive to the processor determining both i) the wearable electronic communication device has experienced a fall and ii) the wearable electronic communication device was being worn during the fall.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: November 14, 2017
    Assignee: Plantronics, Inc.
    Inventors: Joe Burton, Timothy P Johnston, Shantanu Sarkar
  • Publication number: 20170273589
    Abstract: A system and method for detecting and verifying bradycardia/asystole episodes includes sensing an electrogram (EGM) signal. The EGM signal is compared to a primary threshold to sense events in the EGM signal, and at least one of a bradycardia or an asystole is detected based on the comparison. In response to detecting at least one of a bradycardia or an asystole, the EGM signal is compared to a secondary threshold to sense events under-sensed by the primary threshold. The validity of the bradycardia or the asystole is determined based on the detected under-sensed events.
    Type: Application
    Filed: March 25, 2016
    Publication date: September 28, 2017
    Applicant: Medtronic, Inc.
    Inventors: Shantanu Sarkar, Michael Hudziak, Jerry Reiland, Erin Reisfeld
  • Publication number: 20170245794
    Abstract: Methods and systems for seamless adjustment of treatment are disclosed. A determination is made as to whether to intervene with a patient's treatment. Implanted device memory data is acquired over a pre-specified time period. Risk status is determined from the device memory data. Another external device memory data is acquired over a pre-specified time period. A determination is made as to whether to adjust treatment of the patient in response to the risk status, the data acquired from the implanted device memory and the external device memory data.
    Type: Application
    Filed: January 10, 2017
    Publication date: August 31, 2017
    Inventors: Vinod Sharma, Eduardo N. Warman, Shantanu Sarkar, Tommy D. Bennett, Lindsay M. Streeter, Jennifer K. Bravinder