Patents by Inventor Arun Chatterjee

Arun Chatterjee 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: 11940952
    Abstract: A system for providing user access to electronic mail includes an email client and an email server. The email client receives and communicates a user interaction with an email message The email server that receives the communication, determines whether the email message stored in a live database or in a backup storage. Upon determination that the email message is stored in a backup storage, the email server performs a message exchange with a backup storage system to perform the user-requested action.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: March 26, 2024
    Assignee: Commvault Systems, Inc.
    Inventors: Arun Prasad Amarendran, Jun H. Ahn, Tirthankar Chatterjee, Manas Bhikchand Mutha, Ho-Chi Chen, Prosenjit Sinha, Yongtao Liu
  • Patent number: 9882936
    Abstract: A method includes receiving a first secured registration request message from user equipment at a registration server in an Internet Protocol multimedia subsystem network, the first secured registration request message being secured using a first security protocol, determining at the registration server that the first secured registration request message cannot be decoded using the first security protocol, sending a message from the registration server to the user equipment proposing a second security protocol, and receiving a second secured registration request message from the user equipment at the registration server, the second secured registration request message being secured using the second security protocol.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: January 30, 2018
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Mohamed Khalil, Arun Chatterjee, Mazen Aladwan, Karl Schlieber
  • Publication number: 20170134437
    Abstract: A method includes receiving a first secured registration request message from user equipment at a registration server in an Internet Protocol multimedia subsystem network, the first secured registration request message being secured using a first security protocol, determining at the registration server that the first secured registration request message cannot be decoded using the first security protocol, sending a message from the registration server to the user equipment proposing a second security protocol, and receiving a second secured registration request message from the user equipment at the registration server, the second secured registration request message being secured using the second security protocol.
    Type: Application
    Filed: January 24, 2017
    Publication date: May 11, 2017
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Mohamed Khalil, Arun Chatterjee, Mazen Aladwan, Karl Schlieber
  • Patent number: 9565216
    Abstract: A method includes receiving a first secured registration request message from user equipment at a registration server in an Internet Protocol multimedia subsystem network, the first secured registration request message being secured using a first security protocol, determining at the registration server that the first secured registration request message cannot be decoded using the first security protocol, sending a message from the registration server to the user equipment proposing a second security protocol, and receiving a second secured registration request message from the user equipment at the registration server, the second secured registration request message being secured using the second security protocol.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: February 7, 2017
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Mohamed Khalil, Arun Chatterjee, Mazen Aladwin, Karl Schlieber
  • Publication number: 20160119378
    Abstract: A method includes receiving a first secured registration request message from user equipment at a registration server in an Internet Protocol multimedia subsystem network, the first secured registration request message being secured using a first security protocol, determining at the registration server that the first secured registration request message cannot be decoded using the first security protocol, sending a message from the registration server to the user equipment proposing a second security protocol, and receiving a second secured registration request message from the user equipment at the registration server, the second secured registration request message being secured using the second security protocol.
    Type: Application
    Filed: October 24, 2014
    Publication date: April 28, 2016
    Inventors: Mohamed Khalil, Arun Chatterjee, Mazen Aladwan, Karl Schlieber
  • Patent number: 5832223
    Abstract: The present invention provides a system (100, 200), device (300) and method (400) for facilitating automatic capture of internet access information in a broadcast signal for use by an internet access unit. The system includes: a broadcasting unit having an internet access information unit, IAIU, coupled to receive internet access information, for encoding the internet access information into a broadcast signal to provide an augmented signal and broadcasting said augmented signal; a receiving unit for receiving the augmented signal for a user; a capture unit, coupled to the receiving unit and interfaced with the internet, for automatically storing/utilizing the internet access information in accordance with a predetermined scheme; a display/television screen/audio unit, coupled to the capture unit and, where selected, to the capture unit, for displaying at least one of: information obtained by utilizing the internet access information and information from the broadcast signal.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: November 3, 1998
    Assignee: Motorola, Inc.
    Inventors: Jacques Hara, Arnold Pittler, Arun Chatterjee, Michael Cruess
  • Patent number: 4187739
    Abstract: A hydrostatic torque converter has a hydrostatic transmission and a stepped or gear transmission shiftable under load by selective actuation of respective clutches assigned to the gear trains. The variable-displacement pump is controlled hydrostatically to follow the switchover between clutches with the control pressure to the servocontrolling the displacement of the pump being regulated in response to the fluid pressures of the clutches through respective pressure modulation valves. As a consequence, the hydrostatic transmission compensates for the jump resulting from the shifting of the steps of the gear transmission and follows the stepping of the gear transmission outside the forced actuation of the transmission (positive switching overlap of the shifting clutches) in dependence upon the progress of load transfer from the released to the engaged clutch.
    Type: Grant
    Filed: December 13, 1977
    Date of Patent: February 12, 1980
    Assignee: Zahnradfabrik Friedrichshafen AG
    Inventors: Karlmann Hamma, Anton Ott, Werner Vetter, Arun Chatterjee