Patents by Inventor Christopher Richard Bottomley

Christopher Richard Bottomley 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).

  • Security system
    Patent number: 6937136
    Abstract: A security system is disclosed which is suitable for use in a passive entry and passive starting arrangement for a vehicle 10. A set of transmitters in the form of coils A, B, C are spaced around the vehicle 10, one A, B in each door mirror 20R, 20L and one in a high level brake light 16 at the rear end. Operation of a door handle initiates an access challenge from the vehicle 10 which is sent out successively on a plurality of the coils A, B, C. A portable transponder 26 carried by an authorised user is adapted to pick up the challenge signal and send back to a security controller 18 a response signal in which is included vector information relating to the relative positioning between the vehicle 10 and the transponder 26.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: August 30, 2005
    Assignee: Land Rover
    Inventors: Jeremy John Greenwood, Kevin Trevor Talbot, Christopher Richard Bottomley
  • Security system
    Publication number: 20020033752
    Abstract: A security system is disclosed which is suitable for use in a passive entry and passive starting arrangement for a vehicle 10. A set of transmitters in the form of coils A, B, C are spaced around the vehicle 10, one A, B in each door mirror 20R, 20L and one in a high level brake light 16 at the rear end.
    Type: Application
    Filed: September 18, 2001
    Publication date: March 21, 2002
    Inventors: Jeremy John Greenwood, Kevin Trevor Talbot, Christopher Richard Bottomley