Telecommunications – Transmitter and receiver at same station – Having particular housing or support of a transceiver
Reexamination Certificate
1997-12-09
2001-05-08
Le, Thanh Cong (Department: 2684)
Telecommunications
Transmitter and receiver at same station
Having particular housing or support of a transceiver
C455S351000, C361S814000
Reexamination Certificate
active
06229993
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates generally to a housing of a mobile phone handset. More particularly, this invention relates to a handset housing in which a front part of the housing overlaps a back part of the housing.
In common with many other types of small portable electrical apparatus, the outer housing of a mobile phone handset is conventionally formed from two “clam shell” shaped mouldings which are assembled together edge-to-edge. The visual design which can be applied to a handset constructed in this conventional manner is limited. If a manufacturer wishes to make a range of phone handsets of substantially differing visual appearance, it will generally be necessary to make both mouldings different for each design. This means that the manufacturer may need to make and stock many different outer housing mouldings.
Moreover, particularly where the two outer housing mouldings are of differently coloured materials or materials which are otherwise provided with a different visual appearance, the designer may wish to make the mating edge shapes non-linear and this will give rise to design complications.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a mobile phone handset in which these difficulties are overcome in a simple and efficacious manner.
In accordance with the invention there is provided a mobile phone handset having an-outer housing comprising a back part and a front part which has a skirt portion around its periphery shaped to receive and overlap the periphery of the back part.
With such a construction a common back part can be used for several differently designed phone handsets, with the visual appearance of the handset being determined by the shape of the front part. The shape of the free edge of the skirt portion of the front part, which has a very significant effect on the visual appearance of the handset does not need to match any corresponding edge on the back part.
REFERENCES:
patent: 4890199 (1989-12-01), Beutler
patent: 5438482 (1995-08-01), Nakamura et al.
patent: 5557507 (1996-09-01), Koike et al.
patent: 5831371 (1998-11-01), Thornton
patent: 3311653 (1984-10-01), None
patent: 2293517 (1996-03-01), None
patent: 2314230 (1997-12-01), None
patent: WO96 23395 (1996-08-01), None
patent: WO97 32423 (1997-09-01), None
Greenaway John
Spicer Paul
Cong Le Thanh
NEC Corporation
Sughrue Mion Zinn Macpeak & Seas, PLLC
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