Patents by Inventor Rankiri Karunasiri

Rankiri Karunasiri 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: 20070282394
    Abstract: Various assistive listening devices are coupled to a receiver integrated into a BTE sound processor of a cochlear implant system, or other hearing prosthesis. The assistive listening devices and manner of integration with the BTE sound processor may include, e.g., (a) integration of an FM (frequency modulated) receiver into a remote battery pack; (b) integration of an FM or infrared (IR) or other system into a custom all-in-the-ear hearing instrument shell with an electrical connection through an existing auxiliary connector in the earhook of a BTE sound processor; or (c) integration of an FM system into the BTE sound processor via an interposer module.
    Type: Application
    Filed: September 10, 2004
    Publication date: December 6, 2007
    Inventors: Philip Segel, W. Harrison, Rankiri Karunasiri, Douglas Lynch
  • Publication number: 20070250136
    Abstract: Systems for facilitating communication between a first and second device include a voltage level translator circuit configured to convert a voltage level of one or more digital signals that are transmitted from the first device to the second device to a voltage level substantially equal to a supply voltage level of the second device. The conversion is based on a first input voltage signal into the translator circuit. The systems further include a diode in series with a capacitor. The diode is configured to generate the first input voltage signal by charging the capacitor to a voltage level that is substantially equal to the voltage level of the one or more digital signals.
    Type: Application
    Filed: March 29, 2006
    Publication date: October 25, 2007
    Inventors: Rankiri Karunasiri, Diane Chang
  • Publication number: 20060149340
    Abstract: Systems for providing a power signal to one or more implantable devices include a number of dynamic range amplifiers each having a multiplicity of output drivers. Each of the output drivers is configured to generate an output signal. The systems further include control circuitry configured to select at least one of the amplifiers to provide a number of output signals used to generate the power signal that is to be provided to the one or more implantable devices. The control circuitry is further configured to disable the output drivers corresponding to a remaining number of amplifiers. A matching circuit is configured to generate the power signal based on the output signals provided by the at least one selected amplifier. Methods of providing a power signal to one or more implantable devices include providing a number of dynamic range amplifiers each comprising a multiplicity of output drivers. Each of the output drivers is configured to generate an output signal.
    Type: Application
    Filed: January 27, 2006
    Publication date: July 6, 2006
    Inventor: Rankiri Karunasiri