Patents by Inventor Neeraj Kumar Rai

Neeraj Kumar Rai 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).

  • Piezo driver having low current quiesent operation for use in a personal alert safety system of a self-contained breathing apparatus
    Patent number: 9044625
    Abstract: Embodiments relate generally to personal alert safety systems (PASS) as well as the use of piezoelectric sound generators which may be located within a PASS device operable to alert others when user is in danger. Some embodiments further relate to the use of a PASS device in an SCBA. Embodiments may also relate to the design of piezoelectric driver circuits operable to sound one or more piezoelectric sound generators, wherein the driver circuit design may be low cost and energy efficient.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: June 2, 2015
    Assignee: Honeywell International Inc.
    Inventors: Praveen Kumar Palacharla, Kanthimathinathan T, Neeraj Kumar Rai
  • PIEZO DRIVER HAVING LOW CURRENT QUIESENT OPERATION FOR USE IN A PERSONAL ALERT SAFETY SYSTEM OF A SELF-CONTAINED BREATHING APPARATUS
    Publication number: 20140116431
    Abstract: Embodiments relate generally to personal alert safety systems (PASS) as well as the use of piezoelectric sound generators which may be located within a PASS device operable to alert others when user is in danger. Some embodiments further relate to the use of a PASS device in an SCBA. Embodiments may also relate to the design of piezoelectric driver circuits operable to sound one or more piezoelectric sound generators, wherein the driver circuit design may be low cost and energy efficient.
    Type: Application
    Filed: October 29, 2012
    Publication date: May 1, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Praveen Kumar Palacharla, Kanthimathinathan T., Neeraj Kumar Rai