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US 6,148,080 AGranted
Mobile telephone with amplified listening
AssigneeU.S. Philips Corporation
InventorPascal Collin
Life of this patent
Estimating the term…
Abstract
This invention discloses a mobile telephone of the cordless or cellular type which has a front face including an earphone and a microphone, and a back face. According to the invention, the opening area of the loudspeaker is situated, through the wall of the telephone, around a circular area of 27 mm in diameter, called closing area, situated opposite the loudspeaker and sound-proof on transmission.
Claims11
A mobile telephone comprising:
- a housing having a front face a back face and side walls located between said front face and said back face;
- an earphone;
- a microphone;
- and
- a loudspeaker for amplified listening having a periphery;
- wherein said housing has openings located concentric to the periphery, said openings being located substantially near the periphery so that an area surrounded by said openings is a closing area which does not include further openings.
3 more elements
A mobile telephone comprising:
- a housing having a front face a back face and side walls located between said front face and said back face;
- an earphone;
- a microphone;
- and
- a loudspeaker for amplified listening having a periphery;
- wherein said housing has openings located outside the periphery, and wherein said housing has a closing area which does not include further openings located within the periphery.
3 more elements
Dependencies are inferred from the claim text.