Patents by Inventor Dhanalakshmi Kalyana Sundaram

Dhanalakshmi Kalyana Sundaram 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).

  • Paper level measurement
    Patent number: 9713929
    Abstract: Detecting a continuous level of paper in a paper supply providing paper for a printing device. A length of the paper supply includes applied indicia, with the indicia extending contiguously across the length of the paper supply. When a paper section is dispensed, the position of the indicia on the dispensed portion of paper is determined, with the position reflecting a level pertaining to the paper supply remaining or dispensed.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: July 25, 2017
    Assignee: International Business Machines Corporation
    Inventors: Chiang Qiya, Dhanalakshmi Kalyana Sundaram, Seng Kiat Koh, Christ Lestario, Francisco Deligero Liwa
  • PRESSURE-ENABLED NEAR FIELD COMMUNICATIONS DEVICE
    Publication number: 20150249920
    Abstract: A method and a near field communication (NFC) device are described for authenticating NFC devices to limit or prevent unauthorized use. The method and NFC device selectively enable an NFC tag, so that communication between the NFC device and another NFC device may be enabled only after a user has provided authentication. The authentication device of the NFC device may include a piezoelectric element that provides power and authentication data to a processor that performs the authentication operation, which may include matching an authentication signal to a stored authentication signal.
    Type: Application
    Filed: March 3, 2014
    Publication date: September 3, 2015
    Applicant: TOSHIBA GLOBAL COMMERCE SOLUTIONS HOLDINGS CORPORATION
    Inventors: Christ LESTARIO, Dhanalakshmi Kalyana SUNDARAM, Tian Koon LEE
  • Paper Level Measurement
    Publication number: 20130320612
    Abstract: Detecting a continuous level of paper in a paper supply providing paper for a printing device. A length of the paper supply includes applied indicia, with the indicia extend contiguously across the length of the paper supply. When a paper section is dispensed, the position of the indicia on the dispensed portion of paper is determined, with the position reflecting a level pertaining to the paper supply remaining or dispensed.
    Type: Application
    Filed: May 30, 2012
    Publication date: December 5, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Chiang Qiya, Dhanalakshmi Kalyana Sundaram, Seng Kiat Koh, Christ Lestario, Francisco Deligero Liwa