The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2009
Filed:
Mar. 02, 2005
Applicants:
Timothy Christopher Whitwell, Huntingdon, GB;
Nicholas Patrick Roland Hill, Huntingdon, GB;
Geoffrey Arthur Coleridge Boyd, Huntingdon, GB;
Inventors:
Timothy Christopher Whitwell, Huntingdon, GB;
Nicholas Patrick Roland Hill, Huntingdon, GB;
Geoffrey Arthur Coleridge Boyd, Huntingdon, GB;
Assignee:
New Transducers Limited, Huntingdon, Cambs, GB;
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A loudspeaker comprising a bending wave panel-form acoustic radiator having a first portion and at least one further portion a transducer for exciting bending waves in the radiator, the transducer being coupled to the further portion of the radiator to cause the radiator to radiate an acoustic output, and means confining low frequency radiation to the further portion of the radiator.