AU755653B2 - Mobile phone handset - Google Patents
Mobile phone handset Download PDFInfo
- Publication number
- AU755653B2 AU755653B2 AU48309/97A AU4830997A AU755653B2 AU 755653 B2 AU755653 B2 AU 755653B2 AU 48309/97 A AU48309/97 A AU 48309/97A AU 4830997 A AU4830997 A AU 4830997A AU 755653 B2 AU755653 B2 AU 755653B2
- Authority
- AU
- Australia
- Prior art keywords
- mobile phone
- skirt portion
- phone handset
- back part
- front part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Description
I m S F Ref: 404370
AUSTRALIA
PATENTS ACT 1990 COMPLEE SPE~RIlCAro ON FOR A STANDARD PATENT
ORIGINAL
I
Name and Address of Applicant: Actual Inventor(s): Address for Service: Invention Title: NEC Corporation 7-1, Shiba Minato-ku Tokyo
JAPAN
John Greenaway and Paul Spicer.
Spruson Ferguson, Patent Attorneys Level 33 St Martins Tower, 31 Market Street Sydney, New South Wales, 2000, Australia Mobile Phone Handset r The following statement is a full description of this invention, including the best method of performing it known to me/us:- 5845 1 MOBILE PHONE HAND SET 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.
i Moreover, particularly where the two outer housing mouldings are of differently coloured materials or materials which are otherwise provided with a different visual 2o 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 25 which these difficulties are overcome in a simple and efficacious manner.
In accordance with the invention there is provided a mobile phone handset S 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 Sneed to match any corresponding edge on the back part.
[R:LIBP]00614.doc:ZM BRIEF DESCRIPTION OF THE DRAWINGS The above objectives and advantages of the present invention will become more apparent by describing in detail a preferred embodiment thereof with reference to the attached drawings in which: FIG. 1 is a front elevational view of a mobile phone handset according to an embodiment of the present invention; FIG. 2 is a sectional view taken along line A--A of FIG. 1; FIG. 3 is a sectional view taken along line B--B of FIG. 1; FIG. 4 is a sectional view taken along line C--C of FIG. 1; and FIG. 5 is an exploded perspective view of the mobile phone handset of the embodiment FIG. 1.
DESCRIPTION OF A PREFERRED EMBODIMENT Hereinafter, a preferred embodiment of the phone handset will be described in ooo detail with reference to the attached drawings. However, the preferred embodiment is merely an example of the present invention, and thus, the specific features described 20 below are merely used to more easily describe such embodiments and to provide an overall understanding of the present invention. Accordingly, one skilled in the art will readily recognize that the present invention is not limited to the specific embodiment described below. Furthermore, the description of various configurations of the present invention which would have been known to one skilled in the art are omitted for the sake S" 25 of clarity and brevity.
The handset shown by way of example of the invention has an outer housing composed of two mouldings comprising a back part 10 and a front part 11. As can be seen from FIG. 2 to 5 the back part 10 supports the pcb 12 of the phone and a separate cover moulding 13 covers the pcb and is secured to the back part 10. These parts 10 and 13 form the basic core of the handset.
A separate display and keypad pcb 14 is located between the cover 13 and the front part 11. A keypad membrane 15 lies between a keypad 16 and the keyboard pcb 14, the keypad 16 having key portions which project through holes in the front part 11.
[R:\LIBP]00614.doc:ZM The front part 11 has a skirt portion 1 1.sup.a around its periphery, which, as will be seen from FIGS. 2 to 4, receives the periphery of the back part.
The front part 11 is retained on the back part 10 by three integral clips and a pair of screws. One clip is formed by a tongue 1 lb inside the skirt portion 1 la at one end of the front part 11. This is received by a corresponding undercut groove in the periphery of the back part 10 (see FIG. The other two clips are formed by short ribs 10a and 1 0 b on the peripheral sides of the back part 10. These are received by corresponding undercut 1o grooves in the interior face of the skirt portion 11a (see FIG. The screws (shown as arrows 17) are inserted through holes formed inside the back part 10 adjacent its opposite end and into blind receiving bores in bosses inside the skirt portion I a of the front part 11 (see FIG. 2).
It will be noted from FIG. 5, that the shape of the front part 11 is such that its front face is non-planar and the free edge of the skirt portion 1 V is non-linear. Significant variations in the visual appearance of the handset can be made by changing the shape of the front face and the free edge of the skirt. These variations involve no re-design of or retooling for the back part and the rest of the core of the phone as the skirt portion overlaps the back portion rather than fitting edge-to-edge as in the prior art.
It will be noted that the designer can also make changes to the visual appearance of the handset by varying the keypad design, since the keypad does not form a part of the core of the handset. The key shapes can be varied and the holes for the keys 25 correspondingly changed.
Furthermore, the previous description of an embodiment is provided to enable a person skilled in the art to make or use the present invention. Moreover, various modifications to the above embodiment will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not intended to be limited to the embodiment described herein but is to be accorded the widest scope as defined by the claims.
[R:\LIBP]00614.doc:ZMI
Claims (7)
1. A mobile phone handset having an outer housing, said mobile handset comprising: a back part of the outer housing; a front part of the outer housing; a skirt portion around a periphery of said front part; wherein said skirt portion is shaped to receive and overlap a peripheral edge of said back part; and said skirt portion contains a free edge that does not mate with any corresponding edge on said back part.
2. A mobile phone handset as claimed in claim 1, wherein said skirt has non-linear edges.
3. A mobile phone handset as claimed in claim 1 or claim 2, further comprising a phone pcb and a cover therefor attached to said back part and forming a core of the handset.
A mobile phone handset as claimed in claim 3, further comprising a display and keypad pcb located between said cover and an interior of the front part and a keypad having keys projecting into holes in the front part.
5. A mobile phone handset according to claim 1, wherein said skirt portion further comprises at least one tongue disposed at an inside surface of said skirt portion.
6. A mobile phone handset according to claim 5, wherein at least one groove disposed at said peripheral edge of said back part receives said at least one tongue of said skirt portion to retain said front part and said back part together.
7. A mobile phone handset according to claim 1, wherein said peripheral edge further comprises at least one rib at an outer surface of said peripheral edge. A mobile phone handset according to claim 7, wherein said skirt portion further comprise at least one groove at an inside surface of said skirt portion to receive said at least one rib to retain said front part and said back part together. Dated 30 July, 2001 NEC Corporation Patent Attorneys for the Applicant N 35 SPRUSON FERGUSON [R:\LIBP]00614.doc:ZMI
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9612237A GB2314230B (en) | 1996-06-12 | 1996-06-12 | Mobile phone hand set |
| US08/987,011 US6229993B1 (en) | 1996-06-12 | 1997-12-09 | Mobile phone hand set |
| AU48309/97A AU755653B2 (en) | 1997-12-10 | 1997-12-10 | Mobile phone handset |
| CN97126057A CN1219832A (en) | 1996-06-12 | 1997-12-11 | Mobile telephone handset |
| EP97121874A EP0923214A1 (en) | 1996-06-12 | 1997-12-11 | Mobile phone handset composed of overlapping housing portions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU48309/97A AU755653B2 (en) | 1997-12-10 | 1997-12-10 | Mobile phone handset |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU4830997A AU4830997A (en) | 1999-07-01 |
| AU755653B2 true AU755653B2 (en) | 2002-12-19 |
Family
ID=3735056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU48309/97A Ceased AU755653B2 (en) | 1996-06-12 | 1997-12-10 | Mobile phone handset |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU755653B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3452250B2 (en) * | 2000-03-15 | 2003-09-29 | 日本電気株式会社 | Wireless mobile terminal communication system |
-
1997
- 1997-12-10 AU AU48309/97A patent/AU755653B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| AU4830997A (en) | 1999-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK1 | Application lapsed section 142(2)(a) - no request for examination in relevant period | ||
| TH | Corrigenda |
Free format text: IN VOL 15, NO 4, PAGE(S) 703 UNDER THE HEADING APPLICATIONS LAPSED, REFUSED OR WITHDRAWN PLEASE DELETE ALL REFERENCES TO PATENT APPLICATION 48309/97 |
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| FGA | Letters patent sealed or granted (standard patent) |