Patents by Inventor Martin Colloms

Martin Colloms 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).

  • Panel-form loudspeakers
    Patent number: 6031926
    Abstract: A panel-form loudspeaker has two distributed mode acoustic radiators coupled by a resilient suspension. Each radiator has its own transducer.
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: February 29, 2000
    Assignee: New Transducers Limited
    Inventors: Henry Azima, Martin Colloms, Neil John Harris
  • Vending machine
    Patent number: 6003766
    Abstract: A vending machine (108) of the kind comprising a store of articles or products to be dispensed, user operated means (137) for selecting the article or product to be dispensed, means, e.g. a coin freed mechanism authorising dispensing, and a dispensing outlet (142), characterised by a distributed mode acoustic radiator (2) and a transducer (9) mounted wholly and exclusively on the radiator to vibrate the radiator to cause it to resonate.
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: December 21, 1999
    Assignee: New Transducers Limited
    Inventors: Henry Azima, Martin Colloms, Neil Harris