Patents by Inventor Cyril A. A. Emmanuel

Cyril A. A. Emmanuel 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).

  • Method for achieving intrinsic safety compliance in wireless devices using isolated overlapping grounds and related apparatus
    Patent number: 8451176
    Abstract: A system includes a wireless radio board, an antenna, and a ground pattern having a radio board ground and an antenna ground. At least a portion of the radio board ground and at least a portion of the antenna ground overlap. The radio board ground could include a first portion in a first layer of the ground pattern and a second portion in a second layer of the ground pattern, and the antenna ground could include a first portion in the first layer of the ground pattern. The antenna ground could further include a second portion in the second layer of the ground pattern. The radio board and antenna grounds could be separated by a minimum distance, such as 0.5 mm or 3.0 mm.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: May 28, 2013
    Assignee: Honeywell International Inc.
    Inventors: Gourango Biswas, Cyril A. A. Emmanuel
  • METHOD FOR ACHIEVING INTRINSIC SAFETY COMPLIANCE IN WIRELESS DEVICES USING ISOLATED OVERLAPPING GROUNDS AND RELATED APPARATUS
    Publication number: 20100315298
    Abstract: A system includes a wireless radio board, an antenna, and a ground pattern having a radio board ground and an antenna ground. At least a portion of the radio board ground and at least a portion of the antenna ground overlap. The radio board ground could include a first portion in a first layer of the ground pattern and a second portion in a second layer of the ground pattern, and the antenna ground could include a first portion in the first layer of the ground pattern. The antenna ground could further include a second portion in the second layer of the ground pattern. The radio board and antenna grounds could be separated by a minimum distance, such as 0.5 mm or 3.0 mm.
    Type: Application
    Filed: December 14, 2009
    Publication date: December 16, 2010
    Applicant: Honeywell International Inc.
    Inventors: Gourango Biswas, Cyril A. A. Emmanuel