CN101110849B

CN101110849B - Mobile phone

Info

Publication number: CN101110849B
Application number: CN2007100850646A
Authority: CN
Inventors: 崔炳盛; 洪常基; 金盛敏
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2006-07-19
Filing date: 2007-02-28
Publication date: 2012-04-25
Anticipated expiration: 2027-02-28
Also published as: CN101110849A; KR101048169B1; KR20080008162A

Abstract

A mobile phone having a body including a ground portion, a cover of a metallic material coupled to the body, the cover forming an exterior surface of the mobile phone, and a grounding unit electrically connecting the ground portion of the body to the cover, the grounding unit being disposed on one of facing surfaces of the body and the cover. Since the body and the metallic cover are electrically and stably connected with each other, a wireless communication characteristic of the mobile phone is prevented from being lowered.

Description

Mobile phone

Technical field

The present invention relates to mobile phone, relate in particular to mobile phone with lid of processing by metal material.

Background technology

Usually, mobile phone is carried out radio communication function, except various other functions corresponding to user command, such as playing back music, video and photograph.In the multi-purpose while of customer requirements, mobile phone is become elongated so that strengthen portable characteristic and the user expectation of coupling than skinny device.

The electronic unit that is used for mobile phone is integrated with minimized size with optimal layout.And a lid electronic unit being installed on it or being used for the overlay electronic parts is made up of to help to minimize mobile phone in size thin metal.

The representational material of lid comprises metal, and it can form has thin profile and remain mechanical integrity.This metal lid has strong endurance resisting outside impact or cut, and has simple outward appearance, thereby often is utilized.Yet, when metal lid is used for mobile phone, owing to the metallic character of lid has reduced the radio communication characteristic.

Summary of the invention

Therefore, need a kind of mobile phone, it can strengthen its outward appearance through providing by the thin lid that constitutes with the strong metal material, and can prevent because the decline of the caused radio communication characteristic of metal lid.

For realizing these purposes and other advantage and according to the object of the invention, as concrete at this and broad sense is described, a kind of mobile phone is provided, comprising: fuselage with grounded part; Removably be coupled to the lid of the metal material of said fuselage, said lid forms the outer surface of said mobile phone; Terminal unit, this terminal unit is mounted in the deck on the said fuselage, and said deck comprises connector and the metallic retainer that is used to accommodate card, and said metallic retainer is electrically connected to said grounded part; And ground unit, being used for being electrically connected to said lid to said terminal unit, this ground unit is disposed in the surface of said lid; Circuit support substrate attached to said fuselage; And the conductive film that on the surface of said fuselage, forms.Wherein said grounded part is formed on the said circuit support substrate and said conductive film is electrically connected said grounded part and said terminal unit; Wherein said ground unit comprises: be positioned in the face of the accessories section on the inner surface of the said lid of said terminal unit; With the elastic extension part of extending towards said terminal unit from said accessories section; And wherein, said elastic extension is partly flexibly moved towards said lid when the said terminal unit of contact.

According to the following detailed description of the present invention that combines accompanying drawing, aforementioned purpose, characteristics, scheme and advantage with other of the present invention will become more obvious.

According to following detailed, it is clearer that the application of other scopes of the application will become.Yet; Should be understood that the detailed description and the special case that show the preferred embodiments of the present invention just are presented through the mode of example, owing to it will be apparent for a person skilled in the art that; Within the spirit and scope of the present invention, can make various changes and modification according to describing in detail.

Description of drawings

The following detailed description and the accompanying drawing that only provide through by way of example, the present invention will be more obvious, therefore can not limit the present invention, and wherein:

Fig. 1 is the perspective view that has shown according to the mobile phone of first embodiment of the invention;

Fig. 2 has shown the decomposition diagram of a kind of lid from the separated state of the fuselage of the mobile phone of Fig. 1;

Fig. 3 is the cutaway view along the line III-III of Fig. 1;

Fig. 4 is the cutaway view along the line IV-IV of Fig. 3;

Fig. 5 has shown according to a kind of lid of first embodiment of the invention decomposition diagram from the separated state of the fuselage of mobile phone;

Fig. 6 has shown that the lid of the mobile phone of a kind of Fig. 5 is installed in the profile of the state on the fuselage;

Fig. 7 is the decomposition diagram that has shown according to a kind of lid of second embodiment of the invention separated state from the fuselage of mobile phone;

Fig. 8 is the cutaway view along the line IIX-IIX of Fig. 7;

Fig. 9 is three sketch mapes of organizing the different height of unit that shown Fig. 7;

Figure 10 is the front view of inner surface that has shown the lid of Fig. 7;

Figure 11 is the profile along the XI-XI of Figure 10; With

Figure 12 has shown according to the fuselage of the mobile phone of third embodiment of the invention and the control flow chart of the electrical connection between the lid.

Embodiment

Make detailed description referring now to embodiments of the invention, these examples are illustrated in the accompanying drawing.

Below, with illustrated in detail according to mobile phone of the present invention.

Fig. 1 is the perspective view that has shown according to the outward appearance of the mobile phone 10 of first embodiment of the invention.Although directly to mobile phone, the present invention can be applied to other portable equipment to following specification, it includes, but are not limited to portable game equipment, portable music player or pocket calculator.

As shown in Figure 1, mobile phone 10 comprises the fuselage 11 and lid 20 that metal material constitutes, and lid 20 is used to cover at least one surface of fuselage 11.In an illustrated embodiment, mobile phone is excellent type phone.Yet the present invention not only can be applied to excellent type phone, and can be applied to folded form or sliding-type phone, and wherein two parts are connected to each other so that they move with respect to another, perhaps two combination or more type.Enhancing structure or shape that need not be other because metal lid 20, this mobile phone 10 can have slick and sly outward appearance.

Preferably as shown in Figure 3, ground unit 30 is electrically connected to metal lid 20 with the grounded part 15a of fuselage 11 and is disposed on the inner surface of lid 20.The camera 40 that is arranged on the fuselage 11 is exposed through the opening portion of lid 20 or through hole 23.Although as directed grounded part 30 is formed on the metal lid 20, should be understood that this ground unit can be placed on the fuselage and quilt is arranged with contacting metal lid 20.

As shown in Figure 2, metal lid 20 removably is coupled to fuselage 11, and covers dismountable battery 13 that is installed on the fuselage 11.Thereby in this embodiment, lid 20 also is known as battery cover.Break off first coupling unit through first coupling unit that is connected to each other to second coupling unit or from second coupling unit, carry out from fuselage 11 dismounting crown caps 20.This first coupling unit comprises retainer 22 that is arranged on lid 20 lower ends and the fitting recess (not shown) that in fuselage 11, forms.This second coupling unit comprises hook 21, and it has and is arranged in the through hole 21a on lid 20 upper ends and is formed on the locking member 12 on the fuselage 11.Although lid 20 has been described as battery cover, lid 20 can be the lid that utilizes the other types that are coupled to fuselage 11 that routine techniques is fixed.

For the grounded part 15a of stable maintenance fuselage 11 and the electrical connection between the crown cap 20, form ground unit 30 with flexible contact fuselage 11.

A part of fuselage 11 of ground unit 30 contacts can be realized as the terminal unit of the metal material of the ground connection 15a that is connected to fuselage 11.Preferably, as terminal unit, the deck 50 with metallic retainer 54 can be provided.The card 60 that is housed in the deck 50 can be the ID card, any other suitable card that storage card or mobile phone use.Should be understood that other parts of this fuselage can be used to replace terminal unit to connect ground unit to grounded part.

Thereby when deck 50 was used as terminal unit, conventional metal parts can be used as the conduction pathway (conductive passage) that contacts ground unit 30, thereby on fuselage 11, does not need the additional metals parts.As a result, prevented the increase of mobile phone overall dimensions, and can reduce parts number and manufacturing cost.

As shown in Figure 2, deck 50 comprises: card mounting groove 52, and it has certain degree of depth, is used for accommodating the card (not shown) at the shell 51 of fuselage 11; Connector 53, it is installed on the card mounting groove 52 and has a plurality of terminal 53a; And metallic retainer 54, the top that it is fixed to card mounting groove 52 is used for keeping the stationary state of the card of card mounting groove 52.

In order between deck 50 and lid 20, electrical connection to be provided, this ground unit 30 is disposed on the lid 20 so that contacting metal retainer 54.More specifically, ground unit 30 comprises the accessories section 31 that is attached to lid 20, with the elastic extension part 32 of extending and contact retainer 54 from accessories section 31.Elastic extension part 32 is extended from accessories section 31 towards what retainer 54 tilted, and when lid 20 is coupled to fuselage 11, moves towards lid 20 through retainer 54 is flexible.Thereby the electrical connection between lid 20 and the retainer 54 can more stably be held.

Preferably, form ground unit 30 so that be strengthened to the coupled characteristic of lid 20 by metal sheet.Metallic plate is provided with groove 34 at its center.When groove 34 has arcuate shape, the outer plate of metallic plate (outer piece) as the interior sheet (inner piece) of accessories section 31 and metallic plate as elastic extension part 32.Groove 34 can be realized in many ways.In addition, accessories section 31 can be formed by a plurality of respectively with elastic extension part 32.

Elastic extension part 32 comprises towards what retainer 54 extended gives prominence to 33 to strengthen the contact between retainer 54 and elastic extension part 32.Welding through such as spot welding method or method for laser welding can be attached to lid 20 to accessories section 31.As shown in Figure 2, through a plurality of pads 35, accessories section 31 has been soldered to lid 20 on a plurality of positions.Thereby ground unit 30 is realized as simple parts that are coupled to lid 20.

With reference to figure 2, form lid 20 so that clad battery 13 and deck 50.In addition, lid 20 is configured other elements that via through holes 23 exposes a camera lens, photoflash lamp or camera 40.This lid 20 is formed by a kind of metal material, so that continuous appearance to be provided.In addition, ground connection 15a is connected to lid 20 through ground unit 30, thereby has prevented because the reduction of lid 20 caused radio communication characteristics.And, also improved the protection of the antistatic accumulation that is used for mobile phone.

Shown in Fig. 3 and 4, the marginal portion 54a of retainer 54 contacts with the inner surface of shell 51 with 54b, and this shell has the conductive film 56 that offers it.When fixed projection 55 insertions wherein contacted with conductive film 56, marginal portion 54a and 54b were fixed to shell 51.This conductive film 56 is connected to the ground connection 15a such as the circuit support substrate 15 of printed circuit board (PCB), and this circuit support substrate 15 contacts shell 51 on the part of being fixed by screw 18.

The retainer 54 of deck 50 is electrically connected to the ground connection 15a of circuit support substrate 15 through conductive film 56, and when lid 20 is coupled to fuselage 11, contacts with ground unit 30.More concrete, when outstanding 33 of elastic extension part 32 and ground unit 30 contacted retainer 54, they were moved by flexible.Thereby the conducted state between lid 20 and ground connection 15a can stably be kept.

In addition, shown in Fig. 3 and 4, mobile phone 10 comprises display 16, and it is installed on the surface of fuselage 11 with respect to lid 20, is used for display visual information.Window 17 covers display 16 and forms the outward appearance of mobile phone.

As illustrated in Figures 5 and 6, the modification of first embodiment shown in Fig. 1-4 comprises supercharging projection 135, is used for towards the connector 153 flexible cards 160 of pushing.These supercharging projection 135 crooked being formed on the ground unit 130 and from accessories section 131 are extended to stretch out towards card 160.

Therefore, when lid 120 is installed in 111 last times of fuselage, stable maintenance the electrical connection between card 160 and connector 153.This supercharging projection 135 is formed on the metallic plate with ground unit 130 so that handle and make ground unit 130.The structure of the mobile phone shown in Fig. 5 and 6 and class of operation are similar to first embodiment.And given identical reference number is same as the identical parts of first embodiment, and therefore omits their illustrated in detail.

Fig. 7 is the decomposition diagram that has shown the second embodiment of the present invention, and wherein lid 220 separates from the fuselage 210 of mobile phone 200.Be same as above-mentioned mobile phone 100, the second embodiment of the present invention is not limited to mobile phone.

With reference to figure 7, fuselage 210 forms Foldable mobile phone, and wherein first fuselage 211 and second fuselage 215 are through hinge 216 rotatable being connected to each other.On a surface of second fuselage 215, be provided for the display 217 and the loud speaker 218 that is used for output audio information of output video information.Although fuselage 210 is shown as Foldable mobile phone, can be embodied as excellent type or sliding-type mobile phone according to second embodiment.

Battery 214 dismountable being installed in are accommodated on the part 212, accommodate part 212 and are formed on the back side of first fuselage 211.Lid 220 dismountable back sides of being coupled to first fuselage 211 are so that clad battery 214.This lid 220 is made up of metal material.Lid 220 is coupled to fuselage 210 through coupling slot 213 that forms on first fuselage 211 and the coupling projection 223 that on lid 220, forms.It should be understood that the routine techniques that utilizes other, lid 220 can be coupled to fuselage 210.

As shown in Figure 8, be used for being electrically connected grounded part 241 that fuselage 210 (concrete is first fuselage 211) forms and be installed in the part of accommodating part 212 of definition first fuselage 211 to the ground unit 230 of lid 220.Single ground unit 230 can be set, or more than one ground unit.This ground unit 230 is arranged at (Fig. 7) in first fuselage 211 so that its end contact with the grounded part 241 that on circuit support substrate 240, forms, and the other end contacts (demonstration among Fig. 8) with lid 220.

Ground unit 230 can be realized as spring needle (pogo-pin).Same; This ground unit 230 comprises the shell 231 with inner space; Be arranged in the connecting rod 232 on the inner space of shell 231, be arranged in being used on the inner space to move the elastomeric element 233 of connecting rod 232 and the contact pilotage 234 that extends to contact ground connection 241 from shell 231.When connecting rod 232 passes through elastomeric element 233 by resilient movement, its stable contact lid 220, as shown in Figure 7.Thereby by the stable lid 220 that is connected to, it extends and contact lid 220 towards lid 220 ground connection 241 through ground unit 230, thereby has prevented the reduction owing to the radio communication characteristic of the caused mobile phone 200 of characteristic of metal lid 220.In addition, because the electrical connection between ground connection 241 and crown cap 220, improved the protection of the antistatic accumulation of mobile phone.

Fig. 9 is the different height sketch map that has shown three ground units 230 of Fig. 7.As shown in Figure 9, this ground unit 230 comprises three ground unit 230-1,230-2 and 230-3, and it has different height h1-h3 respectively.

When lid 220 was coupled to first fuselage 211 shown in Figure 7 and contacts the second ground unit 230-2, the electrical connection between ground connection 241 and lid 220 was stably kept through the second and the 3rd ground unit 230-2 and 230-3.When lid 220 was coupled to first fuselage 211 and contacts the 3rd ground unit 230-3, the electrical connection between ground connection 241 and lid 220 was stably kept through the 3rd ground unit 230-3.And when lid 220 was coupled to first fuselage 211 and contacts the first ground unit 230-1, the electrical connection between ground connection 241 and lid 220 was stably kept through first to the 3rd ground unit 230-1 to 230-3.Because the different height of ground unit 230-1 to 230-3, the electrical connection between ground connection 241 and lid 220 can be by stable maintenance, even between first fuselage 211 and the lid 220 with different clearance by coupled to each other.

With reference to Figure 10 and 11, explanation is used to prevent the structure of electric current leakage.Because alternating current causes electric current to be leaked, when the direct current that provides through battery shown in Figure 7 214 was operated mobile phone 200, mobile phone 200 can not have the problem of the leakage of current owing to being.Yet when the charger (not shown) of the battery 214 that is connected through being used to charge provided alternating current, mobile phone 200 can have the problem of the leakage of current.

The leakage of current when charging mobile phone in order to solve forms insulating barrier 260 on the inner surface of the lid 220 of facing first fuselage 211.Through applying insulating material or bringing formation insulating barrier 260 through on the inner surface 221 of metal lid 220, adhering to insulation.Because insulating barrier 260, the leakage of current when mobile phone is recharged can not be transferred to lid 220, but, shield lid 220 through insulating barrier 260.Therefore, even the user touches the outer surface 222 of the lid 200 of mobile phone 200, can not take place because electric current leaks caused electric shock.As a result, the user can use mobile phone 200 safely, and the outer surface 222 of lid 220 can be exposed, and the processing that need not add, such as on outer surface 222, painting with insulating material.In addition, the static that is applied to mobile phone 200 through lid 220 is absorbed into lid 220 through insulating barrier 260.

Ground plane 270 can be formed on the insulating barrier 260.For example, ground plane 270 can form the conduction band of contact ground unit 230, and is as shown in Figure 7.Thereby, be sent to ground plane 270 through the lid 220 absorbable static that have greater than the capacity of confirming degree from lid 220.Then, grounded part 241 shown in Figure 8 absorbs this static.

Figure 12 is the sketch map of having explained according to third embodiment of the invention in the control method of the fuselage of mobile phone 300 and the electrical connection between the lid that is used for.Grounded part 310 and lid 320 respectively corresponding to the grounded part 15a of previous embodiment and 241 with lid 20,120 and 220.And grounded part 310 directly or through terminal unit 50 is electrically connected to each other through aforesaid ground unit 30,130 and 230 with lid 320.

Through keeping (conducting) at the switch of arranging between the connecting line 330 or discharging (disconnection) electrical connection between lid 320 and ground connection 310.Usually, preferably be electrically connected ground connection 310 to metal lid 320 so that prevent the reduction of the performance for wireless communications of mobile phone 300.Yet, maybe the opposite arrangement of needs according to structural factor, such as arrangement with respect to the antenna (not shown) of lid 320.In second example, the electrical connection between ground connection 310 and lid 320 discharges through switch 330.

Come conducting or cut-off switch 330 through the controller 340 that is electrically connected to switch 330.In communications status, according to the influence of the relevant performance for wireless communications of the electrical connection between ground connection 310 and lid 320, controller 340 conductings or cut-off switch 330.In other words, if be electrically connected to lid 320 to ground connection 310 with respect to the arrangement of antenna expectation, actuating switch 330 in the communications status of mobile phone 300 then, vice versa.And in non-communications status (holding state), controller 340 actuating switchs 330 are electrically connected ground connection 310 to lid 320 with this.Thereby, in the holding state of mobile phone 300, improved antistatic protection.When mobile phone 300 is recharged, controller 340 cut-off switch 330.Thereby, prevented that the electric current through lid 320 that when mobile phone is recharged, takes place owing to alternating current from leaking.

Under the situation that does not break away from spirit of the present invention and inner characteristic; The present invention can be implemented with many forms, should be understood that in addition the above embodiments are not limited to aforesaid any details; Unless otherwise; Otherwise will be by in the spirit that is interpreted as accompanying claims definition of broad sense and the scope, therefore fall in the border of claim change and revise, or the equivalent on these borders is intended to surrounded by appended claim.

Claims

1. mobile phone comprises:

Fuselage with grounded part;

Removably be coupled to the lid of the metal material of said fuselage, said lid forms the outer surface of said mobile phone;

Terminal unit, this terminal unit is mounted in the deck on the said fuselage, and said deck comprises connector and the metallic retainer that is used to accommodate card, and said metallic retainer is electrically connected to said grounded part; And

Ground unit is used for being electrically connected to said lid to said terminal unit, and this ground unit is disposed in the surface of said lid;

Circuit support substrate attached to said fuselage; And

The conductive film that on the surface of said fuselage, forms,

Wherein said grounded part is formed on the said circuit support substrate and said conductive film is electrically connected said grounded part and said terminal unit,

Wherein said ground unit comprises: is positioned in the face of the accessories section on the inner surface of the said lid of said terminal unit and the elastic extension part of extending towards said terminal unit from said accessories section, and

Wherein, said elastic extension is partly flexibly moved towards said lid when the said terminal unit of contact.

2. according to the mobile phone of claim 1, also comprise the battery that is installed on the said fuselage, wherein said lid is a battery cover.

3. according to the mobile phone of claim 1, wherein said elastic extension partly comprises the projection of extending towards said terminal unit.

4. according to the mobile phone of claim 1, wherein said ground unit is a metallic plate, and it is divided into said accessories section and elastic extension part at least through at least one groove.

5. according to the mobile phone of claim 4, wherein said accessories section is fixed to said lid through welding.

6. according to the mobile phone of claim 1, further comprise push projection, be used for flexibly pushing the card that is housed in said retainer towards said connector.

7. according to the mobile phone of claim 6, wherein said push projection is formed on the said accessories section and towards said card and extends agley.

8. according to the mobile phone of claim 1, wherein said ground unit comprises that at least one is installed in the spring needle on the said fuselage, and the said grounded part of an end in contact of said at least one spring needle and the other end flexibly move towards said lid.

9. according to Claim 8 mobile phone, wherein said at least one spring needle comprises a plurality of spring needles, and each of said a plurality of spring needles has different height.

10. according to the mobile phone of claim 1, further comprise switch, be used for said lid and said grounded part is electrically connected to each other or electricity breaks off.

11. mobile phone according to claim 10; Wherein when said switch is in conduction position; Said lid and grounded part are electrically connected to each other; And when said switch was in open position, said lid and grounded part were by electricity disconnection each other, and said switching response is movably in the radio communication characteristic of said mobile phone between conducting and open position.

12. according to the mobile phone of claim 11, wherein when said mobile phone was in non-communications status, said switch was switched on, and said switch is disconnected when said mobile phone is in charged state.

13., wherein form insulating barrier facing on the inner surface of said fuselage of said lid according to the mobile phone of claim 1.

14. according to the mobile phone of claim 13, wherein said ground unit is disposed in and makes on the inner surface of said lid and be disposed on the said insulating barrier.

15. according to the mobile phone of claim 13, wherein said insulating barrier is through with insulation coating or adhere to insulation and bring formation.