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:
Oct. 29, 2002
Filed:
Dec. 28, 1998
Applicant:
Inventors:
David Williams, Alton, GB;
John Mercer, Teddington, GB;
Assignee:
Nokia Mobile Phones Limited, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 ;
U.S. Cl.
CPC ...
H04B 1/38 ;
Abstract
A radiotelephone is provided which comprises a housing having an earpiece port , a loudspeaker and a resonator. The resonator comprises and earpiece path form the loudspeaker to the earpiece port . Further, the resonator also comprises an internal cavity , which may be ring, and a path from the loudspeaker to the internal cavity , to provide a specified resonance performance.