CN1435065A - Arrangement of loudspeaker and microphone side located structure of mobile telephone - Google Patents
Arrangement of loudspeaker and microphone side located structure of mobile telephone Download PDFInfo
- Publication number
- CN1435065A CN1435065A CN 00819144 CN00819144A CN1435065A CN 1435065 A CN1435065 A CN 1435065A CN 00819144 CN00819144 CN 00819144 CN 00819144 A CN00819144 A CN 00819144A CN 1435065 A CN1435065 A CN 1435065A
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- China
- Prior art keywords
- mobile phone
- receiver
- mic
- antenna
- handset structure
- 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.)
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- 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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/03—Constructional details, e.g. casings, housings
- H04B1/034—Portable transmitters
- H04B1/0343—Portable transmitters to be carried on the body
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
- H04B1/3838—Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use
-
- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Set Structure (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A headphone (2), Mic (4) side located structure of mobile telephone arranges the headphone and Mic on side of mobile telephone, wherein headphone (2) and Mic (4) can be fixed or retractable which can be made mobile telephone smaller and improved ascoustics character and cosy of mobile telephone, more important is the distance (D1) from antenna (1) to human brain increased so that decreasing SAR, and effect of brain to antenna is decreased gratly to improve antenna efficiency. It also can improve communication quality and prolong talk time.
Description
Technical field
The present invention relates to mobile phone, particularly, the present invention relates to handset structure-receiver, Mic side located structure (Fig. 2) is receiver, the Mic side in the sidewall of mobile phone rather than as now side in the front of mobile phone.This measure can solve the existing existing problems of handset structure.
Background technology
Canonical form such as Fig. 1 of existing handset structure.Its basic characteristics are receiver, and Mic, LCD, keyboard all place the same plane that is positioned at the printed circuit board scope-be called longitudinal structure.
There is the SAR of mobile phone of many this structures defective. this is because distance (D0 among Fig. 1)-antenna for mobile phone of a key is too short to the distance between human brain, it depends on/less than the thickness of mobile phone.
Owing to the influence of human brain effect, the efficient of antenna for mobile phone greatly reduces, and makes communication quality reduce greatly on the other hand, and the air time shortens dramatically.
In this case, qualified in order to make SAR, the someone has taked the antenna input circuit mismatch or has reduced the way of output power of transmitter.Though consequently SAR scrapes through, because the reduction of effective output, the communication quality of mobile phone is very poor.Do not see the effective means that does not reduce effective output and can reduce SAR so far as yet.
Because antenna for mobile phone is too short to the distance between human brain, the buzz of GSM mobile handset receiver is audible often.This longitudinal frame mode must be with receiver, and Mic, LCD place same plane to arrange by ordinate, and this makes mobile phone length increase, and causes mobile phone to look major part.During conversation mobile phone just before surface large area contact-making surface portion, cause uncomfortable when using and the people perspired.Because the limitation of acoustic design, the voice quality of mobile phone greatly differs from each other than walkman.
The SAR standard is about to announce that this is in order to protect the cellie to avoid unsafe mobile phone radiation.Can't to sell because people need be the safe communication instrument to mobile phone if SAR is defective.
The miniaturization of handset size is an attraction, and it makes mobile phone more attractive.
Summary of the invention
Main purpose of the present invention is: need not to reduce power output and this important mobile phone safety index of SAR of improving all kinds of mobile phones greatly, improve communication quality thereby also improve antenna for mobile phone efficient simultaneously greatly, prolong the air time.
Secondary objective of the present invention is: a kind of new handset structure is provided, and it might use and existing mobile phone identical chips, with identical or accomplish the miniaturization of mobile phone, more miniaturization under the condition more cheaply.Adopt the present invention, the industrial design of mobile phone profile has changed, and it is more attractive in appearance that mobile phone seems, uses more comfortable.
Other purposes of the present invention, characteristic, advantage is: reduce the buzz of GSM mobile handset, improve voice quality and improve the level of comfort that mobile phone uses by more rational ergonomic designs with identical or lower volume.
A kind of handset structure-receiver, the Mic side located structure, its characteristics are: with receiver, Mic places the sidewall (left side (Fig. 2 A) or right side on which outlying decide from antenna) of mobile phone, or diapire (Fig. 6 A)) rather than place the front of mobile phone as seen now.Receiver or Mic can be designed as manually telescopic or the button Pop-up to adapt to different situations (Tu3 ﹠amp; Fig. 4).
This structure is come compared with existing longitudinal structure, has many benefits:
1. need not to reduce power output, the SAR of mobile phone can improve about 4-10dB.This is because this structure with the distance of antenna for mobile phone to this key of human brain, becomes the width length of mobile phone even that depends on mobile phone by the thickness that depends on mobile phone, and with the concrete condition of different mobile phones, this makes the distance of this key increase 3-10 doubly.While, human brain reduced greatly to the influence of mobile phone antenna efficiency because of the increase of the distance of this key, and antenna for mobile phone efficient can improve about 25%-35%.
2. can make the mobile phone contraction in length about 15%, this is because this structure has been saved original vertical space that places LCD top receiver.The mobile phone volume is greatly reduced.
3. these benefits are all effective to all types of mobile phones, as GSM, and CDMA, TDMA, AMPS, JDC, 3G or the like.
4.GSM the buzz of mobile phone is reduced, this is because receiver increases and is perpendicular to antenna from antenna distance, makes the coupling of receiver coil and antenna greatly reduce.
5. receiver tone channel part can be designed to convex type, and receiver can be filled in the earhole like this, thereby acoustic characteristic improves, and makes that the speech quality as the walkman becomes possibility.And be under identical or lower volume condition.
6. concealed more, other people can't hear the leakage sound.
7. because have only the sidewall contact of mobile phone facial, contact area reduces greatly than present front contact, and the comfort level when this makes conversation has improved, and is not easy to make the people to perspire, and also just is not easy to damage the meticulous of ladies and has made up.
8. the change of profile has changed mobile phone head and whole ratio, seem more attractive in appearance, no longer so major part.
9. all above benefits might used existing mobile phone identical chips, with identical or realize because printed wiring board and casing have all diminished under the condition more cheaply.
10. structure shown in Figure 2 is but the most desirable for the PDA mobile phone, and it can make the volume from PDA to the PDA mobile phone increase to minimum.Fig. 3 or structure shown in Figure 4 are best suited for the microminiature mobile phone.It does not lose the sufficient length when ergonomics is needed to be conversed because of the ultrashort little of mobile phone.Short and small at ordinary times, time spent length is enough.Structure shown in Fig. 5 A is best suited for ultralow SAR mobile phone, satisfies the demand of super large LCD simultaneously, and moulding is very to win victory.Structure shown in Fig. 6 A be best suited for extremely low SAR mobile phone and moulding in the past entirely different.
11. its reliability of the mobile phone of this frame mode is identical or better with longitudinal.
12. have numerous benefits, its manufacturability of the mobile phone of this frame mode is identical or better with longitudinal.
From any market, document, magazine is not seen the mobile phone of any this kind structure so far.Immediate prior art form is exactly common being seen longitudinal structure and flip-shell structure.
Description of drawings
With the appended a plurality of drawings of literary composition, they are common parts of specification of the present invention, have shown concrete condition of the present invention and have been used to explain the principle of invention.But please excuse me, drawing only is used for explanation, and as the elaboration that limits range of application of the present invention, they will partly not expressed in claim.
Fig. 1 is common being seen receiver, the plane graph of Mic longitudinal handset structure.
The front view of this longitudinal handset structure of Figure 1A.
The end view of this longitudinal handset structure of Figure 1B.
The front view of Fig. 1 C printed circuit board assembly.
Fig. 2 receiver of the present invention, the plane graph of the side-mounted handset structure of Mic.
The front view of the side-mounted handset structure of Fig. 2 A the present invention.
The end view of the side-mounted handset structure of Fig. 2 B the present invention.
The front view of Fig. 2 C printed circuit board assembly of the present invention.
The end view of Fig. 2 D printed circuit board assembly of the present invention.
Figure 1A is identical with figure among Fig. 1, comparison incorporated herein by reference.
Fig. 3 telescopic receiver of the present invention, the plane graph of the side-mounted handset structure of fixed Mic.
The telescopic receiver of Fig. 3 A the present invention, the front view of the side-mounted handset structure of fixed Mic.
The telescopic receiver of Fig. 3 B the present invention, the end view of the side-mounted handset structure of fixed Mic.
Figure 1A, Figure 1B is identical with figure among Fig. 1, comparison incorporated herein by reference.
Fig. 4 fixed receiver of the present invention, the plane graph of the side-mounted handset structure of telescopic Mic.
The fixed receiver of Fig. 3 A the present invention, the front view of the side-mounted handset structure of telescopic Mic.
The fixed receiver of Fig. 3 B the present invention, the end view of the side-mounted handset structure of telescopic Mic.
Figure 1A, Figure 1B is identical with figure among Fig. 1, comparison incorporated herein by reference.
Tu5 ﹠amp; The 6th, 2 kinds of modes of the present invention are implemented in suggestion.
Fig. 5 A is the front view of suggestion 1 mobile phone.
Fig. 5 B is the end view of suggestion 1 mobile phone.
Fig. 6 A is the front view of suggestion 2 mobile phones.
Figure 1A, Tu1B ﹠amp; Fig. 2 A, Fig. 2 B and Fig. 1, the figure among Fig. 2 is identical, comparison incorporated herein by reference.
Embodiment
Referring to Fig. 1, it has shown the canonical form-longitudinal structure of existing handset structure.Suppose a coordinate system, X-axis is the Width of mobile phone, Y-axis is the length direction of mobile phone, the Z axle is the thickness direction of mobile phone, the essential characteristic that can clearly be seen that the longitudinal structure is: receiver 2, and Mic4, LCD3 and printed circuit board assembly PCBA are positioned at same X-Y plane, the receiver 2 of column, the axis of Mic4 all points to the Z direction.Receiver, the X of Mic, Y coordinate all are not 0.Antenna 1 is positioned at the upper right side (or upper left side) of mobile phone, and crucial antenna for mobile phone to the distance of human brain is D0.D0 depends on the thickness of mobile phone.Certain mobile phone A for example, D0=12mm, certain mobile phone B D0=8mm.
Though the technical indicator of SAR and method of testing are not finally decided on a verdict as yet, we still can estimate according to worst case.According to the basic law of electromagnetic radiation, SAR direct ratio and 1/D or 1/D
2Conservatively consider SAR direct ratio and 1/D with worst situation.It means that increasing D can reduce SAR greatly and need not to reduce power output.The present invention utilizes this principle to realize not reducing power output exactly and reduces SAR.
D is the distance of antenna for mobile phone to human brain, what decision is it by specifically for mobile phone? going deep into thinking will find, this distance is actually the distance of antenna for mobile phone to receiver.Thereby the position that changes receiver just can increase D and reduce SAR.This also illustrated the canonical form-longitudinal structure of existing handset structure be great drawback arranged because such layout makes D too short and small.Handset structure is the structure that should not follow fixed telephone.
1. Fig. 2 has presented receiver of the present invention, the schematic diagram of the side-mounted handset structure of Mic.Its essential characteristic is: receiver 2, Mic4 all are positioned at the plane different with printed circuit board assembly PCBA, the receiver 2 of column, and the axis of Mic4 all points to directions X.Receiver, the X coordinate of Mic is 0.Antenna 1 is positioned at the upper right side (or upper left side) of mobile phone, and crucial antenna for mobile phone to the distance of human brain is D1.So arrange down, D1 depends on the width of mobile phone.Aforementioned same mobile phone A, D1=36mm, mobile phone B, D1=34mm.
To mobile phone A, SAR is improved as I=10log (D1/D0)=10Log (36/12)=4.8dB.
To mobile phone B, SAR is improved as I=10log (D1/D0)=10Log (34/8)=6.3dB.
Because D, antenna for mobile phone is to the increase of the distance of this key of human brain, human brain has reduced the influence of antenna efficiency simultaneously greatly, this makes antenna efficiency greatly increase, the input impedance of antenna changes and reduces, this is to the performance of mobile phone RF power amplifier, all of great advantage for the communication quality of mobile phone.
Fig. 6 A situation, D depends on the length of mobile phone, has reached maximization.
2. apparent, the mobile phone of the structure shown in the Fig2 is shorter than the mobile phone of structure shown in Figure 1, and this is because the receiver side, thereby it can be positioned at same Y position with LCD and has saved the necessary space of original receiver, LCD top.Be example with aforementioned same mobile phone A again, original length is 130mm, adopts the present invention, and length can be reduced to 110mm, reduces to reach 15%.Mobile phone no longer looks " major part ", this has stayed to the industrial designer and has write the space greatly freely and easily.
3. to GSM mobile handset, its buzz is boring.One of its reason is the coupling of receiver coil and antenna.From Fig. 2 as seen, because increase and receiver is perpendicular to antenna from antenna distance, coupling is in the most weak state, should and the buzz of GSM mobile handset receiver is reduced.
4. the mobile phone of longitudinal structure shown in Figure 1, during conversation mobile phone just before surface large area contact-making surface portion, contact area is about mobile phone width W 0*L2, L2 is the length with facial contact.The mobile phone of side located structure shown in Figure 2, it is facial that mobile phone has only the sidewall contact of mobile phone during conversation, and contact area is about mobile phone thickness D0*L2.Obviously this area greatly less than before.Uncomfortable degree when this makes conversation greatly reduces, and the problem that in the past people is perspired has alleviated greatly, and this is most important to the meticulous cosmetic that reduces the infringement ladies.Improved the appropriate degree when mobile phone uses.
5. shown in Fig. 2 A, receiver tone channel part can be designed to convex type or smooth formula according to need.If be designed to convex type, receiver can be filled in the earhole, and acoustic characteristic is greatly improved, and makes under identical or lower volume condition, and the speech quality as the walkman becomes possibility.Because receiver can be filled in the earhole, conversation is concealed more, and other people can't hear the leakage sound.
6. side located structure shown in Figure 2 is but the most desirable for the PDA mobile phone, and it can make the volume from PDA to the PDA mobile phone increase to minimum.
7. the Mic4 among Fig. 2 is fixed, and it also can be designed to extension type, manually telescopic or button Pop-up.Here it is the telescopic side-mounted mobile phone of Mic shown in Figure 4.This structure is best suited for the microminiature mobile phone.It does not lose the sufficient length when ergonomics is needed to be conversed because of the ultrashort little of mobile phone.Short and small at ordinary times, time spent length is enough.
8. the receiver among Fig. 22 is fixed, and it also can be designed to extension type, manually flexible or button Pop-up.Here it is the telescopic side-mounted mobile phone of receiver shown in Figure 3.This structure is another selection of microminiature mobile phone.
9. the present invention and all these benefits thereof are all effective to all types of mobile phones, as GSM, and CDMA, TDMA, AMPS, JDC, 3G or the like.
10. because to realize the technology implementation that be beneficial to of the present invention be to recombinate by the position of identical components and parts, so need not any all benefits that existing any production technology or production equipment just can obtain the original structure defective is had major improvement that are different from.The performance of mobile phone consequently, function, quality, reliability or the like are all identical with former mobile phone or better.Different security performances in the past, communication quality and moulding become powerful attraction.
11. all above benefits can used existing mobile phone identical chips, with identical or realize under the condition more cheaply.Institute's thing which be needed to be done only is about 5% printed wiring board redesign, about 15% casing redesign, and software 100% utilizes again.The whole new product development time is about 4 months.Be easy to by type approval and other various required tests until production permit.Therefore this also be one quick, save, thereby priming the pump ground is developed and is of value to the approach that the user has the new product of strong attraction.
12. one of mobile phone development trend is volume, miniaturization of size, the large tracts of landization of LCD.The spy advises at this based on this patent, the project organization that meets these trend as shown in Figure 5-large tracts of land LCD forms the distance D of the antenna for mobile phone of very big key to human brain, thereby make that the SAR of mobile phone is very low, antenna efficiency is very high.Its safety, communication quality are very high, and the air time is longer, and the curvilinear style sidewall design that meets facial ergonomics is brought maximum comfortableness to the user.
13. more need particularly point out, implementing optimal path of the present invention is as shown in Figure 6A, allows D become the length that depends on mobile phone by the thickness that depends on mobile phone, this makes D reach maximization.
Claims (6)
1. a handset structure is called receiver, and the Mic side located structure is characterized by receiver, and Mic places such position, and its axis is along mobile phone X or Y-axis (width of mobile phone or length direction) and perpendicular to LCD﹠amp; PCB rather than with them (receiver, Mic, LCD﹠amp; PCB) place same plane, be positioned at the following one page Fig. 2 of mobile phone sidewall (length of mobile phone or Width) (left side or right side where look away from antenna), Fig. 6 A﹠amp; Shown in Fig. 1 difference, under so arranging, antenna has been increased compared with original mode greatly to the distance of human brain.
2. the handset structure of the claim 1 of this patent, its receiver are telescopic as figure.
3. the handset structure of the claim 1 of this patent, its Mic are telescopic as figure.
4. the handset structure of the claim 2 of this patent, its telescopic receiver folding and unfolding mode be manually or button eject.
5. the handset structure of the claim 3 of this patent, its telescopic Mic folding and unfolding mode be manually or button eject.
6. the handset structure of the claim 1 of this patent, its receiver tone channel are projection or smooth as figure .2.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SG2000062778 | 2000-11-21 | ||
| SG200006277 | 2000-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1435065A true CN1435065A (en) | 2003-08-06 |
Family
ID=20430684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00819144 Pending CN1435065A (en) | 2000-11-21 | 2000-12-01 | Arrangement of loudspeaker and microphone side located structure of mobile telephone |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1435065A (en) |
| AU (1) | AU2001222454A1 (en) |
| WO (1) | WO2001078487A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101370042B (en) * | 2008-09-08 | 2011-12-28 | Tcl天一移动通信（深圳）有限公司 | Mobile phone with bottom leading-note microphone structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTV20120057A1 (en) | 2012-04-12 | 2013-10-13 | Manarin Srl | INTERCOM CORNET FOR CELLULAR TELEPHONES AND SMARTPHONES WITH SHIELD E.M.F. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI85776C (en) * | 1990-08-20 | 1992-05-25 | Nokia Oy Ab | Portable personal workstation |
| GB2248747A (en) * | 1990-10-09 | 1992-04-15 | Stc Plc | Telephone handset |
| JPH06244912A (en) * | 1993-02-17 | 1994-09-02 | Mitsubishi Electric Corp | Portable communication equipment |
| JPH07212822A (en) * | 1994-01-26 | 1995-08-11 | Sony Corp | Portable telephone set |
-
2000
- 2000-12-01 AU AU2001222454A patent/AU2001222454A1/en not_active Abandoned
- 2000-12-01 CN CN 00819144 patent/CN1435065A/en active Pending
- 2000-12-01 WO PCT/SG2000/000194 patent/WO2001078487A2/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101370042B (en) * | 2008-09-08 | 2011-12-28 | Tcl天一移动通信（深圳）有限公司 | Mobile phone with bottom leading-note microphone structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001078487A2 (en) | 2001-10-25 |
| AU2001222454A1 (en) | 2001-10-30 |
| WO2001078487A3 (en) | 2002-05-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |