Patents by Inventor Jean-Louis Coelho

Jean-Louis Coelho 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).

  • Electronic lock system and method for providing access thereto
    Patent number: 7209029
    Abstract: A method for providing a security code comprises providing an access location identification and security device information. A user provides access location information and access duration information to a code generator system. The access location information and access duration information is encrypted to provide an access code. The user provides a user token data to the code generator system, such that the access code is encrypted using the user token data to provide a security code. The security code is dispatched to the user.
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: April 24, 2007
    Assignee: Kaba Ilco, Inc.
    Inventors: Jean-Louis Coelho, Yves Messier, Eric Guérard
  • Electronic lock system and method for providing access thereto
    Publication number: 20050264397
    Abstract: A method for providing a security code comprises providing an access location identification and security device information. A user provides access location information and access duration information to a code generator system. The access location information and access duration information is encrypted to provide an access code. The user provides a user token data to the code generator system, such that the access code is encrypted using the user token data to provide a security code. The security code is dispatched to the user.
    Type: Application
    Filed: June 1, 2004
    Publication date: December 1, 2005
    Inventors: Jean-Louis Coelho, Yves Messier, Eric Guerard
  • Room access control and power management installation
    Patent number: 5620137
    Abstract: A room access control and energy management installation controls the air conditioning of the room, such as a hotel room, in accordance with conditions of occupancy of the room. The air conditioning of the room is controlled by a controller which receives data representing a selected operating regime produced by a computer on the basis of parameters such as the time of day, the probability of imminent occupation of the room or actual occupation of the room.
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: April 15, 1997
    Assignee: Societe Francaise d'Estudes Electroniques S F 2 E
    Inventors: Jean-Louis Coelho, Jean-Noel Marteau