CN102148467A - Bearing seat of handheld electronic device with speaker and electronic system - Google Patents
Bearing seat of handheld electronic device with speaker and electronic system Download PDFInfo
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- CN102148467A CN102148467A CN 201010114234 CN201010114234A CN102148467A CN 102148467 A CN102148467 A CN 102148467A CN 201010114234 CN201010114234 CN 201010114234 CN 201010114234 A CN201010114234 A CN 201010114234A CN 102148467 A CN102148467 A CN 102148467A
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- bearing seat
- chassis body
- load bearing
- runners
- thin speaker
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Abstract
The invention discloses a bearing seat of an electronic device, which comprises a framework body, at least one thin speaker, a footstand, a drive circuit, and an interface terminal. The framework body is provided with an opening; while the thin speaker is arranged on the framework body; the footstand is connected with the framework body and supports the framework body so as to lead the framework body stand on a plane; the drive circuit is arranged in the footstand and is electrically connected with the thin speaker so as to drive the thin speaker; the interface terminal is arranged on the footstand, and is used for connecting and fixing an external electronic device on the footstand, and exposing the external electronic device in the opening of the framework body, wherein the drive circuit receives an audio signal from the external electronic device through the interface terminal, and drives the thin speaker according to the audio signal.
Description
Technical field
The present invention relates to a kind of load bearing seat and electronic system of portable electric device, relate more particularly to a kind of load bearing seat and electronic system with portable electric device of loud speaker.
Background technology
The load bearing seat (cradle) of tradition portable electric device has the function of charging, when the user is placed on mobile phone, personal digital assistant or MP3 player on its exclusive load bearing seat, can charge.In addition, there are some load bearing seats also to dispose loud speaker, when electronic installation utilizes load bearing seat to charge, also can utilize the loudspeaker plays music that is disposed simultaneously.
Yet,, in the time of on being configured in load bearing seat, can allow the volume of load bearing seat increase the inconvenience that causes the user to carry because the volume of general loud speaker is big.Therefore, be necessary to provide a kind of load bearing seat of the light and high audio quality of tool.
Summary of the invention
The invention provides a kind of load bearing seat of electronic installation,, therefore can reduce whole thickness and weight owing to used thin speaker.
According to an execution mode, the load bearing seat of electronic installation of the present invention comprises chassis body, at least one thin speaker, runners, drive circuit and Interface Terminal.Chassis body has an opening, and thin speaker then is arranged on the chassis body; Runners is connected with chassis body and the support frame main body, and chassis body is stood on the plane; Drive circuit is arranged in the runners and with thin speaker and is electrically connected, in order to drive thin speaker; Interface Terminal is arranged on the runners, in order to external electronic is connected and is fixed on the runners, and external electronic is emerging in the opening of chassis body, wherein drive circuit receives audio signal from external electronic by Interface Terminal, and according to this audio-signal-driven thin speaker.
According to load bearing seat provided by the invention, thin speaker is a condenser loudspeaker, and this condenser loudspeaker comprises conductive plate, electret diaphragm and a plurality of spacer portion.Conductive plate is electrically connected to drive circuit and has a plurality of openings; Electret diaphragm is arranged on the lower surface of conductive plate, and this electret diaphragm has main film body and electrode layer, and wherein main film body has electrostatic charge, and electrode layer is formed on the lower surface of main film body and is electrically connected to drive circuit; Spacer portion is folded between the upper surface and conductive plate of main film body.
According to load bearing seat of the present invention, chassis body is rectangle haply, and this chassis body has two relative longitudinal components and two relative lateral parts, and longitudinal component links to each other with the lateral part and also defines the opening of chassis body jointly.
According to load bearing seat provided by the invention, this load bearing seat comprises four loud speakers, described four loud speakers be separately positioned on the longitudinal component of chassis body and the lateral part and to about 0 degree of the opening place of chassis body plane inclination to 20 degree.Runners is connected with one of them lateral part of chassis body, and Interface Terminal then is positioned at the opening below of chassis body.
According to load bearing seat provided by the invention, this load bearing seat also comprises charging circuit, and this charging circuit is arranged in the runners and with Interface Terminal and is electrically connected, and wherein charging circuit is in order to charge to electronic installation by Interface Terminal.
According to load bearing seat provided by the invention, this load bearing seat also comprises coil-moving speaker, and this coil-moving speaker is arranged in the runners and with drive circuit and is electrically connected, and wherein drive circuit is according to the audio-signal-driven coil-moving speaker.
According to load bearing seat provided by the invention, chassis body has upper frame and underframe, and thin speaker is folded between the upper and lower framework, and runners is connected with underframe.
The present invention also provides a kind of electronic system, and this electronic system comprises above-mentioned load bearing seat and electronic installation.Electronic installation connects by Interface Terminal and is fixed on the runners and is emerging in the opening of chassis body, and wherein drive circuit receives audio signal from electronic installation by Interface Terminal, and according to this audio-signal-driven thin speaker.
According to electronic system provided by the invention, wherein electronic installation has display, and this display is emerging in the opening of chassis body.
Description of drawings
In order to allow above and other objects of the present invention, feature and the advantage can be more obvious, hereinafter will make following detailed description in conjunction with appended diagram.
Fig. 1 is the three-dimensional exploded view of the load bearing seat of electronic installation of the present invention;
Fig. 2 is the stereogram of the load bearing seat of electronic installation of the present invention;
Fig. 3 is the block schematic diagram that the electronic building brick of the load bearing seat inside of electronic installation of the present invention is connected with electronic installation;
Fig. 4 is the profile of the employed single vibrating membrane loudspeaker of load bearing seat of electronic installation of the present invention;
Fig. 5 is the profile of the employed double diaphragm loud speaker of the load bearing seat of electronic installation of the present invention; And
Fig. 6 is the stereogram according to the electronic system of an embodiment of the invention.
Reference numeral
100 load bearing seats, 110 chassis body
112 longitudinal components, 114 lateral parts
115 openings, 116 openings
117 underframes, 118 upper frames
130 loud speakers, 135 loud speakers
140 runners, 150 Interface Terminals
160 drive circuits, 170 charging circuits
180 antennas, 190 electronic installations
192 displays, 200 electronic systems
400
420 electret diaphragms, 422 main film body
424 electrode layers, 440 conductive plates
442 openings, 450 spacer portion
500 loud speakers, 520 electret diaphragms
522 main film body, 524 electrode layers
540 conductive plates, 542 openings
550 spacer portion, 570 spacer portion
580 electret diaphragms, 582 main film body
584 electrode layers
Embodiment
With reference to figure 1 and Fig. 2, the load bearing seat 100 with portable electric device of loud speaker of the present invention comprises chassis body 110, a plurality of thin speaker 130 and runners 140.Chassis body 110 is rectangular haply, is formed by underframe 117 and upper frame 118 combinations.Chassis body 110 has two flat lateral parts 114 that relative flat longitudinal component 112 is relative with two, and wherein longitudinal component 112 is connected with lateral part 114 and defines rectangular haply hollow open 116 jointly.130 of loud speakers are separately positioned on the longitudinal component 112 and lateral part 114 of chassis body 110.In the present embodiment, loud speaker 130 can be folded between upper frame 118 and the underframe 117, for example is arranged on the upper surface of underframe 117 to be subjected to the protection of two frameworks 117,118.For the sound that allows loud speaker 130 be sent can spread out of, be formed with on the upper frame 118 and a plurality ofly open 115.In addition, runners 140 is connected with underframe 117, for example is connected with the lower surface of one of them lateral part 114 of chassis body 110, in order to support frame main body 110, chassis body 110 can be stood on the plane.
With reference to figure 3, load bearing seat 100 also comprises Interface Terminal 150, drive circuit 160 and charging circuit 170.The for example little USB of Interface Terminal 150 (micro USB) terminal, be arranged on the runners 140 and be positioned at the below of opening 116, in order to external electronic 190 being connected and be fixed on the runners 140, and electronic installation 190 is emerging in the opening 116 of chassis body 110, as shown in Figure 6.Drive circuit 160 is arranged in the runners 140 and with loud speaker 130 and is electrically connected, to drive loud speaker 130.Drive circuit 160 also is electrically connected with Interface Terminal 150, and to receive the audio signal from electronic installation 190 by Interface Terminal 150, for example voice signal or music signal are with according to this audio-signal-driven loud speaker 130.Charging circuit 170 is arranged in the runners 140, is electrically connected with Interface Terminal 150, makes and can charge by 150 pairs of electronic installations 190 of Interface Terminal.In the present invention, electronic installation 190 can be electronic installations such as mobile phone, intelligent mobile phone, personal digital assistant or MP3 player.
According to load bearing seat 100 of the present invention, thin speaker 130 can be the condenser loudspeaker of piezo-electric loudspeaker or flexible.When loud speaker 130 was the condenser loudspeaker of flexible, its structure can be single vibrating membrane loudspeaker 400 shown in Figure 4.Loud speaker 400 comprises conductive plate 440 as electrode, and this conductive plate 440 is electrically connected with drive circuit 160.Conductive plate 440 has a plurality of openings 442, and this conductive plate 440 is made of metallic plate or transparent conduction opening film.Lower surface at conductive plate 440 is provided with electret diaphragm (electret diaphragm) 420, this electret diaphragm 420 has made and have the main film body 422 of electrostatic charge and be formed on electrode layer 424 on the lower surface of main film body 422 by dielectric material, and wherein electrode layer 424 is electrically connected with drive circuit 160.Loud speaker 400 also comprises a plurality of spacer portion 450, and described spacer portion 450 is folded between the upper surface and conductive plate 440 of main film body 422, with the predetermined distance so that 440 of electret diaphragm 420 and conductive plates are separated by.
For above-mentioned loud speaker 400 can be worked, drive circuit 160 can basis produce drive signal by electronic installation 190 received audio signals, and transmits this drive signal to conductive plate 440 and electrode layer 424, to drive thin speaker 400.In this embodiment, drive signal can be and former audio signal homophase and anti-phase electric signal, promptly differential (differential) signal, make electret diaphragm 420 be subjected to enclosed pasture (Coulomb) active force from conductive plate 440 and electrode layer 424 vibration according to this electric signal takes place to produce push-pull effect (Push-Pull effect), this vibration can promote air and produce sound.
In addition, loud speaker 130 can be Fig. 5 double diaphragm loud speaker 500 not.Loud speaker 500 comprises conductive plate 540 as electrode, and this conductive plate 540 is electrically connected with drive circuit 160.Conductive plate 540 has a plurality of openings 542, and this conductive plate 540 can be made of metallic plate.Above conductive plate 540, stacked electret diaphragm 520, this electret diaphragm 520 has made and have the main film body 522 of positive charge and be formed on electrode layer 524 on the upper surface of main film body 522 by dielectric material, and wherein electrode layer 524 is electrically connected with drive circuit 160.Between the lower surface of main film body 522 and conductive plate 540, be provided with a plurality of spacer portion 550, with a distance of being scheduled to so that 540 of electret diaphragm 520 and conductive plates are separated by.In addition, be provided with electret diaphragm 580 below conductive plate 540, this electret diaphragm 580 has made and have the main film body 582 of negative electrical charge and be formed on electrode layer 584 on the lower surface of main film body 582 by dielectric material.Between the upper surface of main film body 582 and conductive plate 540, be respectively arranged with a plurality of spacer portion 570, with a distance of being scheduled to so that 540 of electret diaphragm 580 and conductive plates are separated by.
For above-mentioned loud speaker 500 can be worked, drive circuit 160 transmit these drive signals to electrode layer 524 and 584 with conductive plate 540, use driving thin speaker 500.In this embodiment, drive signal can comprise first electric signal that has with former audio signal same phase, this first electric signal inputs to electrode layer 524 and 584, and have earthing potential or with second electric signal of the first electric signal opposite phase, this second electric signal exports conductive plate 540 to, in order to drive thin speaker 500.The disclosed double diaphragm loud speaker of relevant this execution mode also can with reference to same applicant on May 15th, 2009 number be 98116129 in the case of Taiwan application, denomination of invention is the patent application case of " the multilayer electro-acoustic actuators of two electret diaphragm frameworks ", the disclosed double diaphragm loud speaker of this application case can be incorporated this case into as a reference.
Should be noted that except above-mentioned loud speaker 400 and 500 condenser loudspeaker of other any structure or piezo-electric loudspeaker all can be used as loud speaker 130 of the present invention.
According to load bearing seat 100 of the present invention, when being connected with load bearing seat 100, electronic installation 190 can receive stronger radio broadcasting signal, and chassis body 110 constitutes with metal, perhaps attaches a conductive layer as antenna on the chassis body 110 that plastics are made.In addition, the present invention also can be arranged on frequency modulation (FM) broadcast antenna 180 of annular on the chassis body 110, for example be arranged between two frameworks 117,118, and be electrically connected, make electronic installation 190 can receive stronger broadcast singal when being connected with load bearing seat 100 with Interface Terminal 150.In addition, the present invention also can be provided with coil-moving speaker 135 at least in runners 140 inside, to remedy the deficiency of thin speaker 130 in the bass performance.Similarly, drive circuit 160 also needs to be electrically connected with coil-moving speaker 135, and according to driving this coil-moving speaker 135 by electronic installation 190 received audio signals.
Fig. 6 is the stereogram according to the electronic system of embodiment of the present invention.As shown in Figure 6, the electronic system 200 of this execution mode is made up of load bearing seat 100 and electronic installation 190.Electronic installation 190 connects by Interface Terminal 150 and is fixed on the runners 140 and is emerging in the opening 116 of chassis body 110.In addition, for the sound that loud speaker 130 is sent can be comparatively concentrated, two longitudinal components 112 and two lateral parts 114 of chassis body 110 can tilt in opening 116 respectively, and this will make each loud speaker 130 also tilt in opening 116.In the present invention, longitudinal component 112 and lateral part 114 can be with respect to about 0 degree of opening 116 place plane inclinations to 20 degree, and loud speaker 130 will be also therefore with respect to about 0 degree of opening 116 place plane inclinations to 20 degree.Owing to can make chassis body 110 have the shape of indent after longitudinal component 112 and lateral part 114 tilt, we can be arranged to the position of Interface Terminal 150 be emerging in the opening 116 with the display 192 of this electronic installation 190 after Interface Terminal 150 is connected and be in same plane with opening 116 haply when electronic installation 190, allow the user can watch the displaying contents (see figure 6) of whole display 192 from opening 116.Thus, electronic system 200 can be when playing sound playing pictures, static state or dynamic image simultaneously, but thereby the digital photo frame or the multimedia video Play System that can be used as playing back music use.
In addition, according to load bearing seat of the present invention, owing to used thin speaker, therefore whole thickness and weight can reduce, and make the user more convenient on carrying.
Though the present invention discloses with aforementioned embodiments, but described execution mode is not in order to limit the present invention, any the technical staff in the technical field of the invention all can make various corrigendums and modification under the situation that does not break away from the spirit and scope of the present invention.Therefore protection scope of the present invention should be as the criterion with appended claim.
Claims (13)
1. the load bearing seat of an electronic installation, this load bearing seat comprises:
Chassis body, this chassis body has an opening;
At least one thin speaker is arranged on the described chassis body;
Runners is connected with described chassis body and supports described chassis body, so that described chassis body stands on the plane;
Drive circuit is arranged in the described runners and is electrically connected with described at least one thin speaker, in order to drive described at least one thin speaker; And
Interface Terminal is arranged on the described runners, in order to external electronic being connected and be fixed on the described runners, and described external electronic is emerging in the opening of described chassis body,
Wherein said drive circuit receives audio signal from described external electronic by described Interface Terminal, and according to described at least one thin speaker of described audio-signal-driven.
2. load bearing seat according to claim 1, wherein said at least one thin speaker is a condenser loudspeaker, this condenser loudspeaker comprises:
Conductive plate is electrically connected to described drive circuit and has a plurality of openings;
Electret diaphragm is arranged on the lower surface of described conductive plate, and this electret diaphragm has main film body and electrode layer, and wherein said main film body has electrostatic charge, and described electrode layer is formed on the lower surface of described main film body and is electrically connected to described drive circuit; And
A plurality of spacer portion are folded between the upper surface and described conductive plate of described main film body.
3. load bearing seat according to claim 2, wherein said drive circuit produces drive signal and transmits described drive signal to described conductive plate and described electrode layer, in order to drive described at least one thin speaker according to described audio signal.
4. load bearing seat according to claim 1, wherein said chassis body is rectangle haply, described chassis body comprises two relative longitudinal components and two relative lateral parts, and described longitudinal component links to each other with described lateral part and defines described opening jointly.
5. load bearing seat according to claim 4, wherein said at least one thin speaker comprises two loud speakers, described two loud speakers are separately positioned on the described longitudinal component, and wherein said runners is connected with one of them lateral part, and described Interface Terminal is positioned at the below of described opening.
6. load bearing seat according to claim 1, this load bearing seat also comprises:
Charging circuit is arranged in the described runners and is electrically connected with described Interface Terminal, and described charging circuit is used for by described Interface Terminal described external electronic being charged.
7. load bearing seat according to claim 1, this load bearing seat also comprises:
Coil-moving speaker is arranged in the described runners and is electrically connected with described drive circuit, and wherein said drive circuit is according to the described coil-moving speaker of described audio-signal-driven.
8. load bearing seat according to claim 1, this load bearing seat also comprises:
Antenna is arranged on the described chassis body and with described Interface Terminal and is electrically connected.
9. load bearing seat according to claim 4, wherein said at least one thin speaker comprises four loud speakers, described four loud speakers are separately positioned on described longitudinal component and the lateral part, and described loud speaker is spent to 20 degree with respect to the plane inclination at described opening place about 0.
10. load bearing seat according to claim 1, wherein said chassis body has upper frame and underframe, and described at least one thin speaker is folded between described upper frame and the described underframe, and described runners is connected with described underframe.
11. an electronic system, this electronic system comprises:
Load bearing seat, this load bearing seat comprises:
Chassis body, this chassis body has an opening;
At least one thin speaker is arranged on the described chassis body;
Runners is connected with described chassis body and supports described chassis body, so that described chassis body stands on the plane;
Drive circuit is arranged in the described runners and is electrically connected with described at least one thin speaker, in order to drive described at least one thin speaker; With
Interface Terminal is arranged on the described runners and with described drive circuit and is electrically connected; And
Electronic installation, connect and be fixed on the described runners and be emerging in the opening of described chassis body by described Interface Terminal, wherein said drive circuit receives audio signal from described electronic installation by described Interface Terminal, and according to described at least one thin speaker of described audio-signal-driven.
12. electronic system according to claim 11, wherein said at least one thin speaker is a condenser loudspeaker, and described chassis body has upper frame and underframe, wherein said condenser loudspeaker is folded between described upper frame and the described underframe, and described runners is connected with described underframe.
13. electronic system according to claim 11, wherein said electronic installation has display, and described chassis body is rectangle haply, described chassis body comprises two relative longitudinal components and two relative lateral parts, described longitudinal component links to each other with described lateral part and defines described opening jointly, and the described display of described electronic installation is emerging in the described opening and flushes with the plane at described opening place haply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010114234 CN102148467B (en) | 2010-02-10 | 2010-02-10 | Bearing seat of handheld electronic device with speaker and electronic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010114234 CN102148467B (en) | 2010-02-10 | 2010-02-10 | Bearing seat of handheld electronic device with speaker and electronic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102148467A true CN102148467A (en) | 2011-08-10 |
| CN102148467B CN102148467B (en) | 2013-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010114234 Active CN102148467B (en) | 2010-02-10 | 2010-02-10 | Bearing seat of handheld electronic device with speaker and electronic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102148467B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509619Y (en) * | 2001-10-29 | 2002-09-04 | 仁宝电脑工业股份有限公司 | Personal digital assistant auxiliary apparatus with audio amplifier function |
| CN1700358A (en) * | 2004-05-17 | 2005-11-23 | 三星电子株式会社 | Adaptable charging cradle with speaker for portable communication devices |
| US20060013411A1 (en) * | 2004-07-14 | 2006-01-19 | Chung-Hung Lin | On a support seat of an audio player |
| CN1993000A (en) * | 2005-12-30 | 2007-07-04 | 财团法人工业技术研究院 | Electro-acoustic actuator and method for manufacture |
| CN101019463A (en) * | 2004-04-30 | 2007-08-15 | 奥特蓝星技术股份有限公司 | Portable audio reproduction system |
| JP2008092159A (en) * | 2006-09-29 | 2008-04-17 | Sony Corp | Cradle device with music function |
| TWM334589U (en) * | 2007-12-27 | 2008-06-11 | High Tech Comp Corp | Cradle with speaker |
| CN101208986A (en) * | 2005-04-15 | 2008-06-25 | 普兰脱朗尼克斯股份有限公司奥特蓝星部 | Compact portable media reproduction system |
-
2010
- 2010-02-10 CN CN 201010114234 patent/CN102148467B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509619Y (en) * | 2001-10-29 | 2002-09-04 | 仁宝电脑工业股份有限公司 | Personal digital assistant auxiliary apparatus with audio amplifier function |
| CN101019463A (en) * | 2004-04-30 | 2007-08-15 | 奥特蓝星技术股份有限公司 | Portable audio reproduction system |
| CN1700358A (en) * | 2004-05-17 | 2005-11-23 | 三星电子株式会社 | Adaptable charging cradle with speaker for portable communication devices |
| US20060013411A1 (en) * | 2004-07-14 | 2006-01-19 | Chung-Hung Lin | On a support seat of an audio player |
| CN101208986A (en) * | 2005-04-15 | 2008-06-25 | 普兰脱朗尼克斯股份有限公司奥特蓝星部 | Compact portable media reproduction system |
| CN1993000A (en) * | 2005-12-30 | 2007-07-04 | 财团法人工业技术研究院 | Electro-acoustic actuator and method for manufacture |
| JP2008092159A (en) * | 2006-09-29 | 2008-04-17 | Sony Corp | Cradle device with music function |
| TWM334589U (en) * | 2007-12-27 | 2008-06-11 | High Tech Comp Corp | Cradle with speaker |
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| Publication number | Publication date |
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| CN102148467B (en) | 2013-09-11 |
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