CN201015230Y - Loudspeaking device - Google Patents
Loudspeaking device Download PDFInfo
- Publication number
- CN201015230Y CN201015230Y CNU2007200022646U CN200720002264U CN201015230Y CN 201015230 Y CN201015230 Y CN 201015230Y CN U2007200022646 U CNU2007200022646 U CN U2007200022646U CN 200720002264 U CN200720002264 U CN 200720002264U CN 201015230 Y CN201015230 Y CN 201015230Y
- Authority
- CN
- China
- Prior art keywords
- public address
- address set
- shell
- unit
- sound
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
A public address device of the utility model comprises at least a casing, at least a fastener, a note magnification unit, at least a loudspeaker unit, a power supply unit and a sound source joint, wherein, the casing comprises a bottom surface, which can be affixed onto a shoulder belt; each fastener, by which the casing is arranged onto the shoulder belt, is connected with each casing; the note magnification unit, which is contained in a casing, is electrically connected with at least a loudspeaker unit, the power supply unit and the sound source joint; the power supply unit is contained in a casing; and the sound source joint can be electrically connected with an external playing device. The user can listen to clear music by the public address device of the utility model, which has more convenient operation, meanwhile, the sound of the ambient environment can be noticed at any moment.
Description
Technical field
The utility model is about a kind of public address set, especially about a kind of public address set that connects the shoulder belt of knapsack.
Background technology
Walkman has become playing device commonly used (as the MP3 walkman), and it utilizes ear type or circumaural earphone to carry out the output of sound.This earphone directly near user's ear, uses in the occasion of walkman out of doors, and the user who wears earphone does not hear the sound of surrounding environment easily, thereby reduces the susceptibility of surrounding environment is produced danger.For instance, in the occasion of mountain-climbing, it is on your toes at any time that the climber needs, so that respond various possible emergency situations (as companion's warning or calling for help etc.), therefore is not suitable for using traditional walkman.
In order to solve above-mentioned shortcoming, the device that public address set and knapsack are combined as a whole is arranged in the prior art, wherein a kind of form is the front that public address set is positioned at knapsack, also is the user when using this knapsack, megaphone go out the dead astern of sound direction towards the user.This device has more powerful megaphone usually, and battery that must the big electric weight of collocation not only makes BW increase, and the people of the volume that megaphone produced around interfering with easily, especially interferes with the people at user rear.In addition, this knapsack is special-purpose knapsack, and public address set itself can't use separately, also public address set can't be combined with other knapsack, thereby cause inconvenience in the use.
In addition, announce the 5th as the U.S. April 25 nineteen ninety-five, 409, No. 152 patent cases " BACKPACK ASSEMBLY WITH AUDIO COMPONEBTS " announce the 6th with on March 30th, 2004,712, No. 249 patent cases " BACKPACK ENTERTAINMENT SYSTEMWITH DETACHABLE POCKETS FOR SPEAKERS ", yet above-mentioned knapsack also is special-purpose knapsack, and when the user when using the sound amplification function of this knapsack, its megaphone go out the sound direction directly towards user's ear direction, but towards user's the left and right sides, thereby cause the loss of part sound, so that waste electric power.
In addition, also have in the prior art and directly be tied at user's public address set on one's body, announce the 4th as the U.S. on August 16th, 1988,764, No. 962 patent cases " STEREO SPEAKER SYSTEMFOR WALKMAN-TYPE RADIO AND/OR CAS SETTE PLAYER ", it utilizes many fixed bands that public address set is fixed in the user, because need to adjust many fixed bands and a plurality of fastener, use step rather numerous and diverse, and because many bandages hang on the user and cause not attractive in appearance on one's body.This structure does not accord with knapsack user's demand.
Therefore, be necessary to provide a kind of public address set, it can be connected in the shoulder belt of knapsack, to improve the existing in prior technology problem.
Summary of the invention
The purpose of this utility model provides a kind of public address set that connects the knapsack shoulder belt.
For achieving the above object, public address set of the present utility model can electrically connect with the external played device, and public address set can be connected with at least one shoulder belt of knapsack.Public address set comprises at least one shell, at least one securing member, audio amplification unit, at least one speaker unit, electric power supply unit and source of sound joint.Wherein, shell comprises the bottom surface, and it can fit in shoulder belt.Each securing member is connected with each shell, and securing member is in order to be fixed in shoulder belt with shell.Audio amplification unit is placed in the wherein shell of at least one shell.At least one speaker unit and audio amplification unit electrically connect, and each speaker unit is placed in each shell.
According to described public address set, this securing member is a restraint zone.
According to described public address set, this bottom surface is circular-arc.
According to described public address set, this speaker unit go out the ear location of sound direction towards the user.
According to described public address set, source of sound plug that this source of sound joint is a 3.5mm or the source of sound jack of a 3.5mm.
According to described public address set, this public address set also comprises a mini USB jack.
According to described public address set, this securing member also comprises an anti-skidding unit.
According to described public address set, each described shell also comprises a connection piece, and this connector and each described shell are connected to each other.
According to described public address set, this electric power supply unit is at least one battery.
According to described public address set, this public address set also comprises at least one control knob that is used to control this audio amplification unit, and described control knob and this audio amplification unit electrically connect.
According to described public address set, this playing device is a MP3 player.
According to described public address set, this public address set also comprises an alarming device.
Electric power supply unit and audio amplification unit electrically connect, and electric power supply unit is placed in the wherein shell of at least one shell.Source of sound joint and audio amplification unit electrically connect, and can electrically connect with the external played device.
According to the utility model execution mode wherein, securing member is a restraint zone; Speaker unit go out the sound direction towards user's ear location; And the bottom surface of shell is circular-arc.
Public address set of the present utility model can allow clearly listoning music of user, also can look out surrounding environment sound at any time simultaneously, and makes when operating more smoothly.
Description of drawings
Fig. 1 is the Organization Chart of the utility model public address set.
Fig. 2 is the schematic diagram of the utility model public address set embodiment.
Fig. 3 for the utility model public address set at actual schematic diagram when being used in knapsack.
Wherein, description of reference numerals is as follows:
1 public address set
10,10a, 10b shell
11 securing members
111 belt bodies
113 ring bodies
12 bottom surfaces
15 connectors
16 anti-skidding unit
20 audio amplification units
30 speaker unit
40 electric power supply units
50 source of sound joints
60 control knobs
70 alarming devices
80 playing devices
90 knapsacks
91 shoulder belts
Embodiment
For further understanding technology contents of the present utility model, be described as follows especially exemplified by preferred embodiment.
Below please in the lump referring to figs. 1 to Fig. 3 about embodiment of the present utility model.Fig. 1 is the Organization Chart of the utility model public address set, and Fig. 2 is the schematic diagram of the utility model public address set embodiment, Fig. 3 for the utility model public address set at actual schematic diagram when being used in knapsack.
Public address set 1 of the present utility model can electrically connect with external played device 80.For instance, playing device 80 can be MP3, MD, i-Pod, discman etc.Public address set 1 can be connected with at least one shoulder belt of knapsack, in the present embodiment, and public address set 1 be connected with two shoulder belts 91 of knapsack 90 (as shown in Figure 3).Public address set 1 comprises at least one shell 10a, 10b, at least one securing member 11, audio amplification unit 20, speaker unit 30, electric power supply unit 40, source of sound joint 50 and control knob 60.
Please refer to Fig. 1.Audio amplification unit 20 electrically connects with speaker unit 30, electric power supply unit 40, source of sound joint 50 and control knob 60 respectively.Playing device 80 is by source of sound joint 50, voice signal is sent to audio amplification unit 20,20 amplifying signals of audio amplification unit are by speaker unit 30 outputs, various the controlling of speaker unit 30 outputs is to utilize control knob 60, and public address set 1 required electric power is provided by electric power supply unit 40.
Then please refer to Fig. 2.Owing to need two speaker unit usually at least when generally listening to the music, so that obtain preferable stereosonic tonequality.Therefore, public address set 1 in the present embodiment has two shell 10a, 10b.Shell 10a, 10b comprise bottom surface 12, and bottom surface 12 can fit on the shoulder belt 91.Because user's shoulder has radian, therefore in order to meet ergonomics, bottom surface 12 is not to be a plane, and is designed to slightly be circular-arc, so as with bottom surface 12 driving fits be posted by on the shoulder belt 91.It is noted that the profile of shell 10a, 10b is not limited only to shown in Figure 2, shell 10a, 10b can be designed to various patterns according to actual demand.
The purpose of securing member 11 is the usefulness that shell 10a, the 10b of public address set 1 is fixed in the shoulder belt 91 of knapsack 90.The quantity of securing member 11 is corresponding to the quantity of shell 10a, 10b, and each securing member 11 is connected with each shell 10a, 10b.In the present embodiment, two securing members 11 are connected on two shell 10a, the 10b.In the present embodiment, securing member 11 is a restraint zone, and each securing member 11 is made up of belt body 111 and ring body 113, by belt body 111 being passed ring body 113 to reach fastening purpose, makes public address set 1 to be fixed in easily on the shoulder belt 91 or from shoulder belt 91 and pulls down.
It is noted that in addition securing member 11 also can be other member with fastening function, for instance, securing member 11 can be the holding firmware that utilizes the fixing mode to connect belt body 111 and shoulder belt 91, or only uses devil's felt to connect shoulder belt 91 merely.
In general, public address set only needs a suitable audio amplification unit promptly to be enough to produce required voice signal usually.Therefore, the audio amplification unit 20 of public address set 1 is placed in wherein a shell 10a, the 10b of at least one shell 10a, 10b.In the present embodiment, audio amplification unit 20 is placed in the shell 10a.Audio amplification unit 20 can be the element that amplifier or amplifying return circuit etc. have the voice emplifying signal.
Export by at least one speaker unit 30 through the voice signal that audio amplification unit 20 amplifies.Speaker unit 30 electrically connects with audio amplification unit 20.The quantity of speaker unit 30 is corresponding to the quantity of shell 10a, 10b, and each speaker unit 30 is placed in each shell 10a, 10b.In the present embodiment, the ccontaining speaker unit 30 of difference in each shell 10a, 10b.It is noted that speaker unit 30 also can be made up of a plurality of bodies of raising one's voice except only being made of (as shown in Figure 2) the single body of raising one's voice, the body of respectively raising one's voice is respectively in order to be responsible for the voice output of different frequencies such as high pitch, bass.
In addition,, avoid the sound dead wight loss in order to give full play to the service efficiency of public address set 1, speaker unit 30 go out the ear location (as shown in Figure 3 the direction of arrow) of sound direction towards the user.It is noted that speaker unit 30 also can be designed to adjust it and go out the sound direction, so that be applicable to different users's demand.
Electric power supply unit 40 electrically connects with audio amplification unit 20.In general, public address set only needs a suitable electric power supply unit promptly to be enough to produce required electric power usually, and therefore, audio amplification unit 20 is placed in wherein a shell 10a, the 10b of at least one shell 10a, 10b.In the present embodiment, electric power supply unit 40 is placed in the shell 10a.In the present embodiment, electric power supply unit 40 is a battery, and battery can be general battery or rechargeable battery, and the time spent of can sening as an envoy to outside provides required electric power.In addition, public address set 1 also can comprise mini USB jack, in order to connect external power source.
Source of sound joint 50 electrically connects with audio amplification unit, and can electrically connect with external playing device 80.In the present embodiment, source of sound joint 50 can connect public address set 1 and playing device 80 for general walkman (MP3, MD etc.) diameter commonly used is the source of sound plug of the band line of 3.5mm fast by the source of sound plug, so that with the voice output of playing device 80.In addition, source of sound joint 50 also can be the source of sound jack that diameter is 3.5mm.
For the ease of the output of control sound, public address set 1 comprises at least one control knob 60, and control knob and audio amplification unit 20 electrically connects, and control knob 60 is in order to every function of control public address set 1, for example mains switch, adjustment volume etc.Control knob 60 is positioned at the position that makes things convenient for the user to operate.For instance, as shell 10a, when 10b is fixed in shoulder belt 91, control knob 60 can be positioned at left side or the right positions of shell 10a, 10b, also promptly near user's finger position, makes when operation more smoothly.
Then please refer to Fig. 3.Two shell 10a, 10b of public address set 1 are fixed in appropriate location on two shoulder belts 91 of knapsack 90 by securing member 11 respectively, and two shoulder belts 91 are loaded respectively on user's left side shoulder and right shoulder.The audio direction of speaker unit 30 (as shown by arrows) is towards user's ear, can allow clearly listoning music of user, also can look out surrounding environment sound at any time simultaneously.Public address set 1 of the present utility model have be easy to carry, easy disassembling, light, and applicable to the characteristics of all common knapsacks.In addition, in order to increase the use occasion of public address set 1 except being fixed in knapsack, also comprise connector 15 on the relative position of shell 10a, 10b, connector 15 is a V-shape in order to two shell 10a, 10b are engaged mutually and connect, so that be supported in external support plane (as being positioned on the desk).For instance, connector 15 can be the joggle spare that cooperatively interacts.
In addition, public address set 1 also comprises alarming device 70, and itself and electric power supply unit 40 electrically connect, the safety when alarming device 70 uses out of doors in order to increase the user.For instance, alarming device 70 is the high-brightness LED lamp of sparkling.
To sum up institute is old, and no matter the utility model all shows it be different from the feature of known technology with regard to purpose, means and effect.Must notice that the foregoing description only is exemplary illustration principle of the present utility model and effect thereof, but not is used to limit scope of the present utility model.The those skilled in the art all can be under know-why of the present utility model and spirit, and embodiment is made an amendment and changes.Rights protection scope of the present utility model claim scope as described later is as the criterion.
Claims (14)
1. a public address set can electrically connect with a playing device, and this public address set can be connected with at least one shoulder belt of a knapsack, it is characterized in that this public address set comprises:
At least one shell, this shell comprises a bottom surface, this bottom surface can fit in this shoulder belt;
Be used for described shell is fixed at least one securing member of described shoulder belt, each described securing member is connected with each described shell;
One audio amplification unit is placed in the wherein shell of described at least one shell;
At least one speaker unit electrically connects with this audio amplification unit, and each described speaker unit is placed in each described shell;
One electric power supply unit electrically connects with this audio amplification unit, and this electric power supply unit is placed in the wherein shell of described at least one shell; And
One source of sound joint electrically connects with this audio amplification unit, and can electrically connect with this playing device.
2. public address set as claimed in claim 1 is characterized in that this securing member is a restraint zone.
3. public address set as claimed in claim 2 is characterized in that this bottom surface is circular-arc.
4. public address set as claimed in claim 3, what it is characterized in that this speaker unit goes out the ear location of sound direction towards the user.
5. public address set as claimed in claim 1, what it is characterized in that this speaker unit goes out the ear location of sound direction towards the user.
6. public address set as claimed in claim 1 is characterized in that this bottom surface is circular-arc.
7. public address set as claimed in claim 1 is characterized in that source of sound plug that this source of sound joint is a 3.5mm or the source of sound jack of a 3.5mm.
8. public address set as claimed in claim 1 is characterized in that this public address set also comprises a mini USB jack.
9. public address set as claimed in claim 1 is characterized in that this securing member also comprises an anti-skidding unit.
10. public address set as claimed in claim 1 is characterized in that each described shell also comprises a connection piece, and this connector and each described shell are connected to each other.
11. public address set as claimed in claim 1 is characterized in that this electric power supply unit is at least one battery.
12. public address set as claimed in claim 1 is characterized in that this public address set also comprises at least one control knob that is used to control this audio amplification unit, described control knob and this audio amplification unit electrically connect.
13. public address set as claimed in claim 1 is characterized in that this playing device is a MP3 player.
14. public address set as claimed in claim 1 is characterized in that this public address set also comprises an alarming device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200022646U CN201015230Y (en) | 2007-02-15 | 2007-02-15 | Loudspeaking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200022646U CN201015230Y (en) | 2007-02-15 | 2007-02-15 | Loudspeaking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201015230Y true CN201015230Y (en) | 2008-01-30 |
Family
ID=39027026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200022646U Expired - Fee Related CN201015230Y (en) | 2007-02-15 | 2007-02-15 | Loudspeaking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201015230Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104780305A (en) * | 2015-04-17 | 2015-07-15 | 成都爱可信科技有限公司 | Patrol and law enforcement recorder |
-
2007
- 2007-02-15 CN CNU2007200022646U patent/CN201015230Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104780305A (en) * | 2015-04-17 | 2015-07-15 | 成都爱可信科技有限公司 | Patrol and law enforcement recorder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8170259B2 (en) | Electronic device disposing structure | |
| CN101258770B (en) | Multimode audio reproduction device | |
| US20170180862A1 (en) | Multimodal Headset | |
| JP2009506650A (en) | Headset with flashing light emitting diode | |
| US20060148405A1 (en) | Bluetooth audio relay | |
| JP2017537575A (en) | Cellular device accessory mounting system and method | |
| US20070045369A1 (en) | Backpack structure | |
| TW201622430A (en) | Magnetic floating loudspeaker | |
| JP2007336511A (en) | Externally mounted speaker system for portable ellectromagnetic equipment and wireless receiving pack therefor | |
| US9918152B2 (en) | Peripheral audio output device | |
| TW200835375A (en) | Loudspeaker device | |
| KR101643097B1 (en) | Connecting device for acoustic amplifying and diffusion for portable electronic equipment | |
| CN201015230Y (en) | Loudspeaking device | |
| JP3176039U (en) | Electric lighting stand | |
| KR200464595Y1 (en) | Integrated microphone with support for portable multimedia device | |
| KR101369517B1 (en) | Mobile device case | |
| WO2018188209A1 (en) | Wireless charger with bluetooth speaker | |
| CN201526810U (en) | Portable lighting device capable of playing music | |
| JP3151940U (en) | Integrated magnetic adsorption device and its magnetic adsorption plate | |
| TWM314547U (en) | Loudspeaker device | |
| CN220457579U (en) | Flexible sound equipment | |
| CN201957239U (en) | Sound amplifying device for loudspeaker | |
| CN208891022U (en) | A kind of earphone with light-emitting function | |
| CN212850883U (en) | Multimedia Bluetooth sound box | |
| CN213818064U (en) | Bluetooth sound box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 |