Mobile telecommunications device

Details Mobile telecommunications device Mobile telecommunications device

2006-06-27

2006-06-27

Kuntz, Curtis (Department: 2643)

Telecommunications

Transmitter and receiver at same station

Having particular housing or support of a transceiver

C455S571000, C455S575300, C455S575800, C381S345000, C381S350000, C381S351000, C381S353000, C379S430000, C379S433020, C379S432000

Reexamination Certificate

active

07068979

ABSTRACT:
A mobile telecommunications device is disclosed and comprises a casing (2), an earpiece (6), and a cover (33) associated with the earpiece (6) to define a resonant cavity (34) between the earpiece (6) and the casing (2), wherein the cover (33) has an opening therein for the transmission of sound from the earpiece (6) via the cavity (34) into an acoustic path formed between the casing (2) and the cover (33).

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patent: 5909498 (1999-06-01), Smith
patent: 5923750 (1999-07-01), Enting et al.
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patent: 6002949 (1999-12-01), Hawker et al.
patent: 6084976 (2000-07-01), Lin
patent: 6374120 (2002-04-01), Krauss
patent: 6549169 (2003-04-01), Matsuyoshi et al.
patent: 2002/0197965 (2002-12-01), Peng
patent: 909077 (1999-04-01), None

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