CN105144744B - Speaker unit and end part - Google Patents
Speaker unit and end part Download PDFInfo
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- CN105144744B CN105144744B CN201480023290.XA CN201480023290A CN105144744B CN 105144744 B CN105144744 B CN 105144744B CN 201480023290 A CN201480023290 A CN 201480023290A CN 105144744 B CN105144744 B CN 105144744B
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- loudspeaker unit
- sound
- unit
- loudspeaker
- speaker
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- 238000009434 installation Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 230000005236 sound signal Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/023—Screens for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only using transducers reproducing the same frequency band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/34—Directing or guiding sound by means of a phase plug
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
Providing a kind of can transmit high quality sound to the user positioned at front and provide the speaker unit of increased design freedom.The speaker unit is provided with：The loudspeaker unit installed towards Shangdi；The end part being seated in above loudspeaker unit；And it is placed between loudspeaker unit and end part so that the photocell that the transmission of sound is not disrupted in certain position disposition.The end part includes the reflector for reflecting the sound emitted by loudspeaker unit in a lateral direction, and photocell is put in face of reflector.The reflector can be included with the plane of the shape of two triangles being joined together, extending from the lower edge corner of backboard towards the upside of sound transmitting opening.
Description
Technical field
The present invention relates to a kind of speaker units and a kind of wherein loudspeaker unit to be configured to the end part being upwardly oriented
(head piece)。
Background technology
Many common speaker units have box-shape, and wherein loudspeaker unit is mounted on speaker unit, face
To in the front surface of user.Therefore, exposure or front surface are by similar net in the front surface that loudspeaker unit is observed in user
The preceding grid covering of ground forming.Front surface cannot be provided with many decorations so that not interfering the sound that is emitted by loudspeaker unit
Propagation.Therefore, traditional speaker unit hardly has dicoration.Documents below is disclosed as conventional loudspeakers device
Known speaker unit.
Existing technical literature
Patent document
Patent document 1：Japanese Patent Application No.2007-274313
Patent document 2：Japanese Patent Application No.09-098495
Patent document 3：Japanese Patent Application No.2007-037058
Patent document 4：Japanese Patent Application No.11-075277
Invention content
Problem to be solved by this invention
It, can be certainly in the situation for being arranged on the upper surface or side surface of such as speaker unit in loudspeaker unit
The front surface observed by ground decoration user.However, in this case, from the loud speaker being arranged on upper surface or side surface
The sound of unit transmitting cannot advance to user with good quality.Can set for being reflected towards in forward direction or
The component of the sound emitted to side, but component can cause the decorative deterioration of speaker unit on the contrary.That is, ensuring to raise
While the acoustical behavior of sound device device improved space is still had when decorating speaker unit.
It is an object of the invention to decorate speaker unit while the acoustical behavior for ensuring speaker unit, and it is special
It is not to provide：It is a kind of to be propagated with good sound quality and the design flexibility improved to the user before device
The speaker unit of sound；With a kind of end part for the speaker unit.
The means solved the problems, such as
A kind of speaker unit according to the present invention includes：First loudspeaker unit, first loudspeaker unit are pacified
It is set as being upwardly oriented；End part, the end part are arranged on the upside of the first loudspeaker unit and including reflector, institutes
Reflector is stated to be configured as reflecting the sound emitted by the first loudspeaker unit on the direction including horizontal component；With luminous member
Part, the light-emitting component are installed between the first loudspeaker unit and end part so that being orientated towards reflector.
As another form of the present invention, speaker unit may be configured so that end part includes：Including basic
The main body of cubic shaped；With the skirtboard of lower part for being formed as surrounding main body so that the bottom plate of main body is formed with including with first
The opening of the essentially identical diameter of the diameter of the opening of loudspeaker unit, so that sound transmitting opening in four side surfaces of main body
In two neighboring side surface in formed and be configured to limitation direction of sound propagation backboard with the two neighboring side surface
It is formed at other two side surfaces different, in four side surfaces, and light-emitting component is raised one's voice in bottom plate and first
The sound transmitting open side corner portion being installed between device unit on the inside of skirtboard.
Reflector can include comprising the surface by the way that two triangles to be joined together to the shape to be formed, and should
Each of two triangles is connected between the lower vertex angle part of backboard and the top edge of sound transmitting opening.
Light-emitting component can be installed in compared with the opening formed in the soleplate in plan view closer to sound
At the position for emitting open side corner section.
Speaker unit according to the present invention may further include：Second loudspeaker unit and third loudspeaker unit,
Second loudspeaker unit and third loudspeaker unit are placed at below the first loudspeaker unit and in the vertical direction
It is arranged such that and is oriented in different directions, and the signal in different sound channels can correspondingly be input to the second loud speaker list
Member and third loudspeaker unit.
Speaker unit may be configured so that the second loudspeaker unit and third loudspeaker unit are stored in one
In loudspeaker boxes and a loudspeaker boxes include bass-reflex port, which is placed into so that low
Sound reflector port, the second loudspeaker unit and third loudspeaker unit are arranged, and bass-reflex port in the vertical direction
Third side between the second loudspeaker unit and the different orientation direction of third loudspeaker unit opens up.
Second loudspeaker unit and third loudspeaker unit can be installed in hearer and be configured to reflection and be raised one's voice by second
Between the wall surface of the sound of each transmitting in device unit and third loudspeaker unit, and the second loudspeaker unit and the
Three loudspeakers unit is installed into be orientated towards the wall surface.
Speaker unit according to the present invention may further include the second loudspeaker unit, second loudspeaker unit
It is installed in the back of housing and is provided in back side direction and be orientated, and back can be oriented to towards configuration
To reflect at least one wall of sound emitted from the second loudspeaker unit.
Speaker unit according to the present invention can be installed in the corner portion in room so that be sent out by the second loudspeaker unit
The sound penetrated is reflected away from adjacent two wall as at least one wall.
Speaker unit according to the present invention, which can be installed into, to be caused by the sound that the second loudspeaker unit emits from work
A wall at least one wall reflects away.
Reflector can be configured as in the situation with advancing as the crow flies in the sound emitted by the first loudspeaker unit
Compared to being reflected on the direction for forming greater angle and propagate the sound emitted by the first loudspeaker unit.
Speaker unit according to the present invention can be separatedly placed with wall surface and including：Loudspeaker grid, institute
It states loudspeaker grid to be set on the surface of the housing, which faces the wall surface, which is formed with multiple
Hole；Loudspeaker unit, the loudspeaker unit are placed on the inside of loudspeaker grid to emit sound towards wall surface；With
Optical transmitting set, the optical transmitting set is placed on the inside of loudspeaker grid to be emitted with crossing loudspeaker grid towards wall surface
Light.
Loudspeaker grid can be formed by one of net form metal and punch metal.
Speaker unit may be configured so that housing includes basic quadrangular shape and loudspeaker grid is set
Above the two neighboring side surface of housing.
Speaker unit may be configured so that optical transmitting set includes a plurality of light-emitting elements and the multiple luminous member
Part is arranged along the shared edge of two neighboring side surface.
A kind of end part according to the present invention includes：Main body including basic cubic shaped and including bottom plate, the bottom
Plate is formed with the opening of the essentially identical diameter of the diameter including the opening with loudspeaker unit；Main body and loudspeaker unit it
Between the skirtboard that is formed；And reflector, the reflector are configured as reflecting the sound emitted by loudspeaker unit, and end part
It is installed on the upside for the loudspeaker unit being upwardly oriented and is configured so that sound emits four to be open in main body
It is formed in two neighboring side surface in side surface, and is configured to limit the backboard in the direction of sound transmission adjacent with this two
A side surface is different, is formed at other two side surfaces in four side surfaces, and reflector include comprising pass through by
The surface of shape that two triangles are joined together and are formed, and each of described two triangles is connected to backboard
Between lower vertex angle part and the top edge of sound transmitting opening.
The effect of the present invention
According to the present invention, although loudspeaker unit, not towards the positive planar orientation of user, sound can be caused by reflection
It advances towards user, and light can be utilized to illuminate the surface for reflecting sound decoratively.
Brief Description Of Drawings
Fig. 1 (A) and 1 (B) is the view of the appearance of the speaker unit of each width diagram according to a first embodiment of the present invention.
Fig. 2 is the perspective view of the end part and loudspeaker unit in first embodiment of the invention.
Fig. 3 (A) to 3 (C) is the three-face view of end part and loudspeaker unit.
Fig. 4 is the perspective view of end part.
Fig. 5 is the direction of travel and the direction of travel from the LED light emitted for illustrating the sound emitted from loudspeaker unit
View.
Fig. 6 (A) to 6 (C) is the view of the appearance of the speaker unit of each width diagram according to a second embodiment of the present invention.
Fig. 7 is the view for the internal structure for illustrating speaker unit.
Fig. 8 is the rearview for the speaker unit for removing loudspeaker grid.
Fig. 9 is the plan view of the example for the installation position for illustrating speaker unit.
Figure 10 is the block diagram for the electronic circuit for illustrating speaker unit.
Figure 11 is the perspective of an example of the installation position for illustrating speaker unit according to a third embodiment of the present invention
Figure.
Figure 12 is the perspective view of end part.
Figure 13 (A) to 13 (C) is regarding for the appearance of the speaker unit of each width diagram according to a fourth embodiment of the present invention
Figure.
Figure 14 (A) and 14 (B) is the view of the appearance for the speaker unit that each width diagram removes loudspeaker grid.
Figure 15 (A) and 15 (B) is the view of an example of the mesh shape of each width diagram loudspeaker grid.
Figure 16 is the view of an example of the installation position for illustrating speaker unit.
Figure 17 is to illustrate the view that the shade projected when the light emitted from LED is advanced by loudspeaker grid is folded.
Figure 18 is the view for an example for illustrating the shade projected to from speaker unit on wall.
Figure 19 is the view for an example for illustrating the shade projected to from speaker unit on wall.
Figure 20 is the view for an example for illustrating the shade projected to from speaker unit on wall.
Specific embodiment
[first embodiment]
Hereinafter, will the loud speaker of the present invention and end part be applied by reference to attached drawing description.
Fig. 1 is the view for the appearance for illustrating loud speaker 1 according to a first embodiment of the present invention.Fig. 1 (A) is front view, and
And Fig. 1 (B) is left side view.In this embodiment, term " loud speaker " means to include the loud speaker list as sound generator
Member and the device for accommodating the housing of loudspeaker unit (loudspeaker boxes).
As illustrated, the housing 11 of loud speaker 1 it is similar towards the upper end along width slightly tapered basic tetragonous
Shape to column.That is, accurately, housing 11 has quadrangular pyramid shape.The side surface of housing 11 relative to vertical plane inclination
Angle is 2%.Illustrated such as in figure, this loud speaker 1 (is used towards front on not surface but edge (edge line)
Family side) orientation state in install.Loudspeaker unit 20,21,22 not be arranged at the forepart (front) of housing 11 but
It is disposed thereon at portion and back (back side).The decorative lighting element of such as LED is arranged on forepart (user side) rather than raises one's voice
At device unit.Bolster 13 with rod-shape is arranged at the bottom of housing 11.Loud speaker 1 is by bolster 13 and similar round shape plate
Ground shapes and is arranged on the support of the basis 14 on the lower end of bolster 13.As described above, loud speaker includes vertically elongated shell
Body 11 and installed in the state at forepart (user side) on not surface but edge line (corner).It is this to raise one's voice
Utensil has a kind of character shape and is assemblied in the corner in room.
Loudspeaker grid 12 is arranged at the back of housing 11 to cover the loud speaker being arranged at back 21,22.It raises one's voice
Device unit 20 (example as the first loudspeaker unit) is upwardly oriented and is fastened to as in the top of housing 11
The upper end of the loudspeaker boxes 30 in the space of formation.End part 10 according to the present invention is arranged on the upside of loudspeaker unit 20
On.Loudspeaker unit 20, loudspeaker boxes 30 and end part 10 form speaker unit according to the present invention.
Fig. 2 is the end part 10 removed from loud speaker 1 and the perspective view of loudspeaker unit 20.Fig. 3 (A) is 10 He of end part
The plan view of loudspeaker unit 20, Fig. 3 (B) is the front view of end part 10 and loudspeaker unit 20, and Fig. 3 (C) is end
The right side view of head 10 and loudspeaker unit 20.Fig. 4 is the perspective view of end part 10 and diagram is seated in circuit therein
Plate 40.In the following explanation, left and right directions is based on from the front of loud speaker 1, the state of loud speaker 1 defines from user.
Moreover, the upper and lower directions of end part 10 is that the upper front of loudspeaker unit 20 being upwardly oriented is installed in based on end part 10
What state defined.
As illustrated in fig. 2, end part 10 has basic rectangular shape.However, because end part 10 is and shell
Body 11 is formed integrally, so end part 10 is slightly tapered upwards, thus the outer diameter (cornerwise length) of top plate 102 is slightly
It is less than the outer diameter of bottom plate 103 micro-ly.Notice that end part 10 is made of following：With sound transmitting opening 110, as top
Main body 101；With the skirtboard 106 as lower part.Shape to 101 substantially similar cube of main body.The bottom plate 103 of end part 10 is at it
Central portion have round shape be open 103A.The diameter of opening 103A is substantially equal to the diameter of loudspeaker unit 20.
There are four side surfaces for the tool of main body 101 shaped to substantially similar cube, and front two therein is each tool
The side surface 111,112 of the useful notch for making sound transmitting opening 110.Two are that each sets behind in four side surfaces
The side surface 113,114 of siding is equipped with, siding is used as the backboard 104 for preventing sound from spreading backward.Reflector 105 (105A,
105B) formed in main body 101.This reflector 105 is made of two triangular surfaces, each triangular surface is connected to
(a) the vertex 105C at the lower part (lower end) of the side between two side surfaces 113,114 as backboard 104
(b) upside of two side surfaces 111,112 as notch or sound transmitting opening 110 be (sound transmitting opening 110
Top edge) in it is corresponding between one.It is shaped to 101 substantially similar cubes because based on, so the left-handed watch of reflector 105
Face and right surface 105A, 105B each about 45 degree of angle is formed relative to the horizontal plane of such as bottom plate 103.
As described above, the bottom plate 103 of 106 surrounding tip part 10 of skirtboard extended downwardly is formed.The height of skirtboard 106 is whole
The about a quarter of the height of a end part 10.Skirtboard 106 is assembled such that its lower end is kept and loudspeaker unit 20
Flange 20A contact.The central axis of the central axis of loudspeaker unit 20 and end part 10 is consistent with each other in assembled state.
End part 10 and loudspeaker unit 20 are tightened to together and are fastened to housing 11.As a result, loudspeaker unit 20
On the upper end of loudspeaker boxes 30.The upper end of loudspeaker boxes 30 is with having the flange 20A of similar loudspeaker unit 20
The opening of forming.When loudspeaker unit 20 is mounted in loudspeaker boxes 30, opening is closed so that forming closing wherein
Space.
The height space 120 equal with skirtboard 106 is formed between loudspeaker unit 20 and the bottom plate 103 of end part 10.
Circuit board 40 is arranged in space 120.Circuit board 40 is close to the lower part of preceding left half, that is, the opening setting of left-hand face 111,
So that avoid the position of the opening 103A of loudspeaker unit 20 and bottom plate 103.LED 41 is arranged on circuit board 40.LED41 is set
Put the central part in the forepart of end part 10, that is, on the fore-end of end part 10.It cannot directly observe and set from user
Put the LED 41 at this position.If user will be pried through inside end part 10, due to top plate 102, user cannot see
Observe LED 41.
Fig. 5 is the view for the direction of travel for being shown in the sound propagated in end part 10 and light.Loudspeaker unit 20 is put
Below end part 10 so that with being vertically upright orientated during 10 Sharing Center's axis of end part；And the reflection of end part 10
The angle of inclination on each surface of device 105 is about 45 degree.Therefore, as indicated by arrow 201, from loudspeaker unit 20
The sound emitted upwards reflected away from reflector 105 and propagate so that on left and right directions forward (as horizontal direction and
One example in the direction including horizontal component) diffusion.Using this construction, even if from 20 upward transmitting sound of loudspeaker unit
In the situation of sound, sound is remained able to reflect away from reflector 105 and almost be uploaded without loss in left and right directions forward
It broadcasts.And then this is configured to eliminate the needs to setting loudspeaker grid on the front surface, so as to cause the design of front surface
Flexibility is improved.
End part 10 including reflector 105 is formed by resin, and end part 10 is smooth, but and without mirror
Face polished surface.That is, regular reflection can be considered as caused by sound wave, but diffusing reflection is considered as by the tool of such as light
Caused by the wave for having short wavelength.Diffusing reflection is the phenomenon that incident light reflects in all directions, this causes the region to see
Being bright (luminous).It will not be viewed by a user in the LED 41 that 120 front of the space that bottom plate 103 is formed below is set
It arrives.When LED 41 is lit, as indicated by the arrow 202 in figure, LED 41 illuminates the inside of end part 10, that is, LED
41 illuminate top plate 102, backboard 104 and reflector 105.Particularly, reflector 105 receives most light in them so that unrestrained
It is reflected on reflector 105 and occurs, (pay attention to being omitted the figure of the arrow of instruction scattering light in figure so as to cause bright illumination
Show).As a result, loud speaker 1 can not only reproduce sound but also can form decorative atmosphere.
Notice that loud speaker 1 and the shape of end part 10 are not limited to the above.In the feelings of the spirit without departing from the present invention
Under condition, loud speaker 1 and end part 10 can be changed.For example, loud speaker 1 may be configured so that loudspeaker unit 20 takes downwards
To, and end part 10 is placed at below the loudspeaker unit 20 being downwardly oriented.Loudspeaker unit is being arranged as described above
20 and end part 10 situation in, for the tool of reflector 105 there are two triangular surface, each triangular surface is connected to backboard
Upper corners are corresponding with the downside of left-hand face 111 and right lateral surface 112 between one.Using this construction, even if
From the loudspeaker unit 20 downwards situation of transmitting sound, sound remains able to reflect away from reflector 105 and almost
It is upwardly propagated without loss in right and left forward.End part 10 is configurable to not include LED 41.
[second embodiment]
Then it second embodiment will be explained.Note that the reference numeral identical with what is used in the first embodiment is used to mark
The corresponding element of second embodiment is noted, and its explanation is omitted.
Here, second embodiment is based on the finding that being formed.
Common stereophonic loud-speaker system includes the loudspeaker boxes for right and left sound channel, and these speaker cabinets
Son is (such as the seeing patent document 2) arranged in the lateral direction.The big floor space of this detailing requiments, so that being difficult to
Corner portion in room installs speaker system, this causes design flexibility to be low.
In order to solve this problem, a kind of invention of speaker unit is disclosed, which includes：Similar tetragonous
The thin-long casing for shaping and erectting to column；It multiple raises one's voice be arranged on whole, housing four side surfaces respectively
Device unit (such as see patent document 3).This speaker unit postpones and adjusts each loudspeaker unit output audio letter
Number timing, using as with directive sound wave export acoustic beam.Floor and ceiling of this speaker unit towards room
Acoustic beam is exported so that acoustic beam is multiple by reflection, and correspondingly indirect sound reaches hearer from many directions.This configuration is realized
The effect of the accurate location of the imperceptible speaker unit of hearer.
Moreover, in speaker unit disclosed in patent document 2, it has been provided separately for the right and left sound channel of difference
Rows of loud speaker, which has limited the reductions of case width.In addition, in speaker unit disclosed in patent document 3, because
It is arranged on four side surfaces of all, housing difference for multiple loudspeaker units as described above, so there is no appoint
What is restricted for the leeway of decoration so as to cause the design of speaker unit.
Therefore, develop the present embodiment with provide it is a kind of with it is slim it is appearance, can be with stereo format transmitting sound
The speaker unit of sound.Fig. 6 illustrates the appearance of speaker unit according to second embodiment, and Fig. 6 (A) is anterior elevational view, Fig. 6
(B) it is right side view, and Fig. 6 (C) is rearview.Fig. 7 is the view for the internal structure for illustrating speaker unit.Fig. 8 is figure
Show the rearview for the speaker unit for removing loudspeaker grid.
Speaker unit 1a according to an embodiment of the invention includes：For accommodating the housing 11 of multiple loud speakers；It is similar
It shapes to round shape plate and is arranged on floor surface with the basis 14 of supporing shell 11；It is shaped with similar bar and by housing
11 and basic 14 bolsters 13 being connected with each other.Housing 11 is supported by bolster 13 and basis 14 and is erected in the vertical direction
Setting.
Housing 11 is similar slightly to be shaped to tapered basic quadrangular towards the upper end width.That is, accurately, housing 11
With quadrangular pyramid shape (by flatly cut off from quadrangular pyramid in the plane of the bottom surface with cone apex portion or
Person head and the shape obtained).The side surface of housing 11 is 2% relative to the angle of inclination of vertical line.
Such as illustrated in Fig. 6 (C), 18 ground of edge line part for crossing housing is provided with loudspeaker grid 12.With
In lower explanation, the direction that the edge line part 18 illustrated in Fig. 6 (C) is directed toward from casing center is defined as back side direction, and
And it is directed toward from the center and is defined in the middle edge line parts 19 illustrated of Fig. 6 (A) and the direction opposite with edge line part 18
For positive direction.However, any one of edge line part may be set in positive (user side).Explained below
In, it is assumed that the positive direction of speaker unit is referred to as forward direction, and the back side direction is referred to as backward directions.And
And left and right directions is that the state based on the speaker unit 1a from the user on front defines.
The inside of housing 11 is divided into three spaces by two demarcation strips in the up-down direction.Three spaces include：Make
The loudspeaker boxes 30 of intermediate range for receiving loudspeaker unit 20 (another example as the first loudspeaker unit)
Upper space；As for accommodating the central space of the boombox box 31 of loudspeaker unit 21a, 22a；With as
Accommodate the down space of the circuit box 32 of electronic circuit 15.
Fig. 7 is the view for forepart, speaker unit the internal structure that diagram has cut off housing 11.Fig. 8 is to remove
Loudspeaker grid 12, speaker unit rearview.As illustrated in figures 7 and 8, boombox box 31 is at it
Rear surface in open, and sound panel 24 be arranged on this opening in.This sound panel 24 is not flat but in left and right
What is be just bent upwards causes the quadrangular shape of matching housing 11.Loudspeaker unit 21a, 22a are mounted on sound panel 24, and
Bass-reflex port 23 is formed in sound panel 24.Loudspeaker unit 21a (example as the second loudspeaker unit) is
For right channel loudspeaker unit and be mounted to the side after obliquely to the right and be upwardly oriented.Loudspeaker unit 22a (as
One example of third loudspeaker unit) it is loudspeaker unit for L channel and is mounted in obliquely rear direction to the left
Upper orientation.Loudspeaker unit 21a, 22a each are pacified relative to back side direction with about 45 degree of angle in the lateral direction
Dress.Bass-reflex port 23 is formed as extending back and be connected via pipeline 125 with the inside of boombox box 31.
Bass-reflex port 23 is predominately formed for aggravating in a low voice, and correspondingly there will be need that are small, considering sound channel and directionality
It will.Therefore, bass-reflex port 23 is both right and left sound channels opening so that towards the INTRM intermediate point between right and left sound channel
Orientation.Sound panel 24 is covered by loudspeaker grid 12.Loudspeaker grid 12 is formed by metal mesh and as schemed in Fig. 6 (B)
The basic and housing 11 shown flushes.
Upper surface for the loudspeaker boxes 30 of intermediate range has opening, in the openings, 20 quilt of loudspeaker unit
It is installed as being upwardly oriented.End part 10 is arranged on the upside of loudspeaker unit 20 so that the sound emitted from loudspeaker unit 20
Sound reflects away in forward direction from end part 10.
Fig. 9 is the plan view for the installation position for illustrating speaker unit 1a.Fig. 9 (A) is diagram such a case
View, wherein speaker unit 1a are installed into the back side for causing it, that is, loudspeaker unit 21a, 22a are towards front side (user
Side) orientation.Fig. 9 (B) be illustrate such a case view, wherein speaker unit by install into cause it just facing towards
Front side (user side) is orientated, and loudspeaker unit 21a, 22a are orientated towards the wall 300 being located at behind speaker unit.It is in office
In what situation, the voice signal in different sound channels (right and left sound channel in this embodiment) is input into raises one's voice accordingly
Device unit 21a, 22a.
In installation position in Fig. 9 (A), the sound emitted from loudspeaker unit 21a is upwardly propagated in oblique left front,
And the sound emitted from loudspeaker unit 22a is upwardly propagated in oblique right front.Thus sound is propagated to the left and to the right and
Its spatial impression is assigned, moreover, because the sound propagated to the left and to the right is in different sound channels respectively, can be assigned
The stereo audibility of user is given,
In the situation being orientated such as in Fig. 9 (B) towards wall 300 in loudspeaker unit 21a, 22a, from loudspeaker unit 21a
The sound of transmitting is propagated when right back diffuses up and is reflected away from the region of wall surface 300 301, and from raising one's voice
The sound of device unit 22a transmittings is propagated when left back diffuses up and is reflected away from the region of wall surface 300 302.
The sound reflected is propagated forward and reaches user.As a result, from being arranged in the vertical direction with small horizontally disposed width
Sound transmission that loudspeaker unit 21a, 22a emit, in right and left sound channel is to user, as sound is from wall surface
As the region 301,302 with horizontal width emits on 300 so that user can hear stereo with spatial impression.
In figure 6, electronic circuit 15 is seated in the circuit box 32 of housing 11.Figure 10 is the master for illustrating electronic circuit 15
Want the block diagram of part.Electronic circuit 15 includes controller 50, signal processor 51, audio-frequency amplifier 52, input selector 53, indigo plant
Tooth (registered trademark) telecommunication circuit 54 and cable connector 55.
Controller 50 is made of microcomputer.Optical receiving circuit 40a is connected to controller 50, and this light-receiving electricity
The infrared signal that 40a receptions in road are transmitted from unshowned infrared remote controller.Optical receiving circuit 40a includes light receiving element
42, light receiving element 42 be arranged on the forepart of housing 11 with by the infrared signal of reception be converted into electronic signal and by its it is defeated
Enter to controller 50.For example, based on the signal received from optical receiving circuit 40a, controller 50 selects in input selector 53
Input signal is selected, sound quality is adjusted in signal processor 51, wave volume is adjusted in audio-frequency amplifier 52, and connect
With disconnection bluetooth communication circuit 54.
Signal processor 51 adjusts sound quality (the stereophony letter of the audio signal inputted from input selector 53
Number).Moreover, signal processor 51 is from the component in the signal extraction intermediate range in right and left sound channel, and synthesizes and extracted
Component to export obtained signal as audio signal in third sound channel.That is, signal processor 51 functionally includes
Bandpass filter 66,67 and mixer 68.Audio-frequency amplifier 52 functionally include correspondingly amplify L channel, right channel and
Amplifier circuit 64,65,69 audio signal, for three sound channels in intermediate range.Amplifier circuit 64 amplifies left sound
Voice signal in road is to be output to loud speaker 22a.Amplifier circuit 65 amplify right channel in voice signal with by its
It is output to loud speaker 21a.
In this electronic circuit 15, the voice signal in right channel is input into loudspeaker unit 21a, and L channel
In voice signal be input into loudspeaker unit 22a.It is that is, such as illustrated in Fig. 9 (B) for loudspeaker unit 21a, 22a
Right and left sound channel is assigned with towards the situation of wall 300 (towards from the opposite side of user) orientation, but in the institute such as in Fig. 9 (A)
In the situation of arrangement loudspeaker unit 21a, 22a of diagram, the distribution of right and left sound channel can reverse.Reverse switch can be set
To invert the sound channel for the voice signal that amplifier circuit 64,65 and bandpass filter 66,67 are input to from input selector 53.
As described above, the loudspeaker unit 20 being arranged on the upper surface of housing 11 enhances the sound in intermediate range.
Bandpass filter 66 is from voice signal of those extractions in L channel in intermediate range (for example, 100Hz-7kHz) with by institute
The signal of extraction is output to mixer 68.Similarly, bandpass filter 67 from those extractions in right channel in intermediate range
Voice signal the signal extracted is output to mixer 68.Mixer 68 is synthesized in L channel in intermediate range
Input audio signal and input audio signal in right channel in intermediate range to amplifier 69 to export composite signal.It puts
Big device 69 amplifies the composite signal in intermediate range to output them into loudspeaker unit 20.Therefore, loudspeaker unit 20 is sent out
Penetrate the synthetic video in intermediate range in right and left sound channel.In being not limited to by the range that bandpass filter 66,67 extracts
Between range.Even if in the situation for emitting the sound in the range different from intermediate range in loudspeaker unit 20, remain able to
It obtains and the corresponding effect of the range.
In the above-described embodiments, which is vertically disposed on sound panel 24, but raises one's voice
The not limited to of device unit is in two.Moreover, for will input loudspeaker unit sound sound channel not limited in two
It is a.
Note that the shape of the housing 11 of speaker unit 1a is not limited to quadrangular pyramid shape and can be any shape
Shape, if 11 substantially similar cylinder of housing shape, such as tapered trapezoid shape, cylindrical and prism shape.Not inclined
The element in the embodiment can be changed in the case of spirit from the present invention.
LED 41 can as in the first embodiment as illustrated in Figure 4 the end for being arranged on speaker unit 1a
In head 10, and it can be not arranged in end part 10.
[3rd embodiment]
Then it third embodiment will be explained.Note that the reference numeral identical with what is used in the first and second embodiment
For marking the corresponding element of 3rd embodiment, and its explanation is omitted.
Here, 3rd embodiment is based on the finding that being formed.
Loudspeaker unit is typically point sound source, but in loudspeaker unit and user's situation spaced apart from each other, from raising one's voice
The sound dispersion of device unit transmitting is to form the acoustic space of referred to as sound field.In order to form this sound field, in speaker unit and
As requirement between the user of hearer equal to or more than the distance of some amount.
In the situation of stereophonic sound system, for the stereo localization of the sound in right and left sound channel, for respectively
Right and left sound channel loud speaker needs be spaced from each other with specific range.In order to realize this configuration, for example, such as in patent document
Disclosed in 2, it is desirable that the speaker unit (loudspeaker boxes) in the lateral direction with big width.
However, enough distances cannot be ensured between user and speaker unit in for example small room, in this feelings
In shape, it is impossible to which the sound to emit provides enough spatial impressions.Moreover, for example, space or housing due to installing region
Structure cannot arrange right and left loudspeaker boxes, in this case, it is impossible to fill with enough distances therebetween in some situation
Ground is divided to realize stereo localization and spatial impression.It raises one's voice moreover, being designed in the arrangement additional importance for loudspeaker unit
In the situation of the housing of device device, design flexibility reduces, so as to cause speaker unit and without novel design.
Therefore, develop the present embodiment a kind of has sufficiently small width to be installed in limited space region simultaneously to provide
And can transmitting band have spatial impression sound speaker unit.
Speaker unit 1b according to third embodiment has identical with speaker unit 1a according to second embodiment
Structure.Fig. 6 (A) is front view, and Fig. 6 (B) is right side view, and Fig. 6 (C) is rearview, and Fig. 8 is to remove loudspeaker grid
12, the rearview of speaker unit 1b.
Figure 11 is the perspective view of an example of the installation position for illustrating speaker unit 1b.It is such as illustrated in fig. 11
, speaker unit 1b is in the state for being located in positive (user side) in the edge line part 19 between two side surfaces
It installs.In the following explanation, the positive direction of speaker unit is referred to as forward direction, and back side direction is referred to as backward
Direction.It is defined moreover, left and right directions is the state based on the speaker unit 1b from the user on front.
In this speaker unit 1b, loudspeaker unit 21a, 22a are upwardly oriented in corresponding rear ramp.Therefore, such as
Illustrated in Fig. 6 (B) and 6 (C), loudspeaker grid 12 is arranged on the back (back side) of housing 11.Such as in Fig. 6 (C)
Illustrated, 18 ground of edge line part for crossing housing is provided with loudspeaker grid 12.
Figure 12 is the perspective view of end part 10.End part 10 includes：With sound transmitting opening 110, as top
Main body 101；The top plate 102 being seated on the upside of main body 101；With the skirtboard 106 as lower part.Main body 101 is substantially similar vertical
Shape to cube.The bottom plate 103 of end part 10 has round shape opening 103A in its central portion.The diameter base of opening 103A
This is equal to the diameter of loudspeaker unit 20 (another example as the first loudspeaker unit).
Reflector 105 (105A, 105B) is formed in main body 101.This reflector 105 is by two triangular surface structures
Into each triangular surface is connected to (a) between the side of two side surfaces 113,114 as backboard 104
It is corresponding in the upside of two side surfaces 111,112 that lower vertex 105C and (b) emit 110 (notch) of opening as sound
Between one.It is shaped to 101 substantially similar cubes because based on, so the left surface of reflector 105 and right surface 105A,
105B each relative to the horizontal plane of such as bottom plate 103 form about 45 degree of angle.
The sound emitting surface of loudspeaker unit 20 be seated in end part 10 below so that with 10 Sharing Center of end part
It is vertically upright orientated during axis.Moreover, each surface of the reflector 105 of end part 10 faces the sound of loudspeaker unit 20
Sound emitting surface, and the angle of inclination on each surface of reflector 105 is about 45 degree.Therefore, such as by the arrow in Figure 12
Head 201a indicated by, reflected away from the sound that loudspeaker unit 20 emits upwards from reflector 105 and propagate so that
Right and left diffuses up forward.Using this construction, sound can upwards emit from loudspeaker unit 20, is anti-from reflector 105
It is shot out, and propagates so that short distance is liftoff almost without being lost from the forepart of the side surface of housing 11 on left and right directions forward
Diffusion.
As illustrated in fig. 11, speaker unit 1b back surface in the state of wall 80, speaker unit 1b
It is installed in before a wall 80 (example as at least one wall).The forepart of speaker unit 1b is not provided with loud speaker
Unit or loudspeaker grid, so as to lead to the decorating flexibility of height on the surface that can be observed by user.
It is such as illustrated in Fig. 9 (B), each in loudspeaker unit 21a, 22a towards wall 300 (as this at least
One example of one wall) it is orientated but is tilted in the lateral direction relative to the direction vertical with the surface of wall 300.L channel
In voice signal be input into loudspeaker unit 22a (another example as the second loudspeaker unit), and right channel
In voice signal be input into loudspeaker unit 21a (another example as the second loudspeaker unit).From loud speaker list
The sound of first 22a, 21a transmitting is being propagated and with while rearward diffusing up from the corresponding region of wall surface 300 to rear left
302nd, it 301 reflects away.The sound of reflection is propagated forward and reaches user.As a result, emit from loudspeaker unit 22a, 21a
, the sound in the sound channel of left and right travel to use via corresponding loudspeaker unit 22a, 21a and corresponding region 302,301
Family.That is, compared in the situation for directly advancing to user in sound, sound reaches user after longer distance of advancing.
Using this configuration, compared in the situation for directly advancing to user in sound, the spatial impression with bigger sound is transmitted
Sound.Moreover, because the sound in the sound channel of left and right is reflected away from the corresponding region of wall surface 300 302,301,
It generates herein in the position imagination of the sound in corresponding left and right sound channel and localizes to corresponding region 302,301.Cause
This, advances to user to the sound similar in sound emitted from region 302,301 so that user can hear vertical with spatial impression
Body sound.Here, wall 300 is not limited to the wall of building, as long as wall 300 is typically the vertical flat surface for reflecting sound.
As described above, it is reflected away from loudspeaker unit 21a, 22a sound emitted from wall surface 300 and towards user
It propagates, and the sound emitted from loudspeaker unit 20 is reflected away from the reflector 105 of end part 10 and passed towards user
It broadcasts.Therefore, even if in the short situation of distance between speaker unit 1b and user, if with the sound for the segment distance
What sound directly advanced to that user provided compares, and user hears stereo with remaining able to the spatial impression with bigger.LED
41 can as in the first embodiment as illustrated in Figure 4 be arranged in the end part 10 of speaker unit 1a and
It can be not arranged in end part 10.
[fourth embodiment]
Then fourth embodiment will be explained.Note that with the identical reference numeral that is used in first to 3rd embodiment
For marking the corresponding element of fourth embodiment, and its explanation is omitted.
Here, fourth embodiment is based on the finding that being formed.
It has been proposed that speaker unit not only is used for acoustic apparatus but also illuminates device for dicoration.For example,
Patent document 4 discloses a kind of invention of the audio system with such structure, and wherein light source and rotor is arranged on speaker cabinet
In son, and from the light that the surface of rotor reflects away by the opening that is formed in loudspeaker boxes to the outer of loudspeaker boxes
It illuminates side.
In speaker unit disclosed in patent document 4, the light emitted from loudspeaker boxes rotates to the sound of transmitting,
It is achieved in decorative effect.However, speaker unit is configured so that rotor and motor are arranged in loudspeaker boxes, and
And motor rotation rotor, increase so as to cause the size and complexity of device.
Therefore, it develops the present embodiment and is filled with providing a kind of loud speaker that simple structure can be utilized to perform decorative lighting
It puts.
Figure 13 illustrates the appearance of the speaker unit 1c according to fourth embodiment.Figure 13 (A) is front view view, Figure 13
(B) it is right side view, and Figure 13 (C) is rearview.Figure 14 illustrates the appearance for the speaker unit for removing loudspeaker grid.
Figure 14 (A) is right side view, and Figure 14 (B) is rearview.
Speaker unit 1c according to an embodiment of the invention includes：For accommodating the housing 11 of multiple loud speakers；It is similar
It shapes to round shape plate and is arranged on floor surface with the pedestal 14 of supporing shell 11；It is shaped with similar bar and by housing
11 and pedestal 14 be connected with each other bolster 13.Housing 11 is supported by bolster 13 and pedestal 14 and is erected in the vertical direction
Setting.
Speaker unit 1c is located in positive (user side) in the edge line part 19 between two side surfaces
It is installed in state.In the following explanation, the positive direction of speaker unit is referred to as forward direction, and the back side direction
Referred to as backward directions, determine moreover, left and right directions is the state based on the speaker unit 1c from the user on front
Justice.
In this speaker unit 1c, loudspeaker unit is not in forward direction but is upwardly oriented rearward.
Therefore, such as illustrated in Figure 13 (B) and 13 (C), loudspeaker grid 12 is arranged on the back of housing 11.As a result, it raises one's voice
Device grid 12 does not need to be arranged on the forepart of speaker unit 1c, and dicoration LED 16 is arranged on the front surface of housing 11
Edge line part 19 on.
Rear speaker box 31 is opened in its two neighboring backside surface, and sound panel 24 is set in the opening.
What this sound panel 24 was not flat but was bent in the lateral direction causes the shape of the housing 11 in matching opening.It raises one's voice
Device unit 21a, 22a, bass-reflex port 23 and multiple LED 25 are mounted on sound panel 24.Loudspeaker unit 21a is to be used for
It the loudspeaker unit of right channel and is mounted to be upwardly oriented in oblique right back.Loudspeaker unit 22a is raising for L channel
It sound device unit and is mounted to be upwardly oriented in oblique left back.Bass-reflex port 23 is formed as extension and via pipeline with standing
The inside connection of body sound loudspeaker boxes 31.Multiple LED 25 is in the edge line part of sound panel 24 (before from rear side
Portion) on be vertically provided.In the figure, five LED 25 are provided with as an example.
Sound panel 24 is covered by loudspeaker grid 12.As illustrated in fig. 13, loudspeaker grid 12 is substantially and housing
11 flush and are bent in the lateral direction.Loudspeaker grid 12 mainly sets to protect loudspeaker unit 21a, 22a simultaneously
And it is the web plate with multiple holes.For example, net form metal of the loudspeaker grid 12 by the diagram in Figure 15 (A), in Figure 15 (B)
The punch metal of diagram or other similar materials are formed.
There is wherein loudspeaker unit 20 to be mounted to the opening being upwardly oriented for the upper surface of loudspeaker boxes 30.End part 10
It is arranged on the upside of loudspeaker unit 20 so that the sound emitted from loudspeaker unit 20 is in forward direction from end part 10
It reflects away.End part 10 includes LED 41 as illustrated in Figure 4.During the operation of speaker unit 1c, LED 41
It is lit the inner surface for decorative illuminating end part 10.
Figure 16 is the view of an example of the installation position for illustrating speaker unit 1c.Figure 17 is for explaining from LED
The view of configuration that the light of 25 transmittings is advanced by loudspeaker grid 12.As illustrated in figure 16, in speaker unit 1c
Back surface in the state of wall 80, speaker unit 1c is installed in the corner portion in room or close to wall surface.Because LED
16 are arranged on decoratively without on the forepart of loudspeaker unit and loudspeaker grid, and be arranged in loudspeaker grid 12
LED 25 emits light towards wall 80, so on the shape project of loudspeaker grid 12 to wall 80.That is, unlike common loud speaker fills
It puts like that, speaker unit 1c also functions are used as decorative inner.
When the multiple (five) LED 25 being arranged on the inside of loudspeaker grid 12 is lit, from each
The light that LED 25 emits is advanced by the net of loudspeaker grid 12, so as to form the pattern of light and shade (shape).Such as in Figure 17
In it is illustrated, the pattern formed by corresponding LED 25 is projected to when overlapping each other on wall 80.In fig. 17, loud speaker lattice
Grid 12 are illustrated by single line.However, as illustrated in fig. 13, loudspeaker grid 12 be bent in the lateral direction to be caused
With housing 11, so that the pattern projected on wall 80 is more complicated, so as to cause higher dicoration.
Light that Figure 18-20, which is each width diagram, to be projected on wall 80 using the light emitted from the LED 25 of speaker unit and
The view of the pattern of shade.The net form metal that Figure 18 is shown in lateral position is used as the example of loudspeaker grid 12.Figure 19
The net form metal being shown in vertical position is used as the example of loudspeaker grid 12.Figure 20 is shown in the punching in lateral position
Metal is used as the example of loudspeaker grid 12.
Using in the situation of net form metal in lateral position, such as illustrated in Figure 15 (A), loudspeaker grid 12 has
There is the pattern of each opening with horizontal rhombic shape.When being overlapped each other by the light that opening pattern is advanced, such as scheming
The pattern of illustrated light and shade is projected on wall 80 in 18, and the pattern is in the inclination transverse direction side intersected with light and shade
It upwardly extends.
Using in the situation of net form metal in vertical position, loudspeaker grid 12 is with each with by that will scheme
The pattern of the opening of vertical diamond shape that the shape illustrated in 15 (A) is rotated by 90 ° and obtains.When the pattern row by opening
Into light overlap each other when, the pattern of illustrated light and shade projects on wall 80 such as in Figure 19, and the pattern with
The slanted vertical side that light and shade intersects upwardly extends.
Such as illustrated in Figure 15 (B) in the situation for using punch metal, loudspeaker grid 12 has regularly cloth
The pattern of round shape opening put.It is such as illustrated, vertical in fig. 20 when the light that the pattern by opening is advanced overlaps each other
The pattern of ground and the light and shade laterally repeated projects on wall 80.
Note that LED 25 can be separated with regularly or irregularly interval.All the multiple LED 25 can be total
It is to be lit, but LED 25 may remain in different timings and successively flicker.This configuration can change what will be projected
Pattern.
Note that the shape of the housing 11 of speaker unit 1c is not limited to quadrangular pyramid shape and can be such as taper
Trapezoidal shape, cylindrical and prism shape post shapes and can be such as rectangular shape shape.Without departing from
In the case of the spirit of the present invention, the shape of housing 11 can be any shape.The technical scope of the present invention also includes loud speaker
It device, wherein loudspeaker unit and illuminates device (optical transmitting set) and is seated in the forepart of speaker unit and in the forward face
To putting speaker unit in the state of wall surface.
LED 41 can as in the first embodiment as illustrated in Figure 4 the end for being arranged on speaker unit 1a
In head 10 and it can be not arranged in end part 10.
The explanation of reference numeral
1：Loud speaker (device), 10：End part, 11：Housing, 12：Loudspeaker grid, 20：Loudspeaker unit, 40：Circuit
Plate, 41：LED, 101：Main body；102：Top plate, 103：Bottom plate, 103A：Opening, 104：Backboard, 105：Reflector, 1a；Loud speaker
Device, 21a：Loudspeaker unit, 22a：Loudspeaker unit, 23；Bass-reflex port, 300：Wall surface, 1b：Speaker unit,
80：Wall surface, 1c：Speaker unit, 25：LED.
Claims (11)
1. a kind of speaker unit, including：
First loudspeaker unit, first loudspeaker unit, which is installed into, to be upwardly oriented；
End part, the end part is arranged on the upside of first loudspeaker unit and including reflector, described anti-
Emitter is configured as reflecting the sound emitted by first loudspeaker unit on the direction including horizontal component；With
Light-emitting component, the light-emitting component are installed between first loudspeaker unit and the end part so that towards institute
State reflector orientation, it is characterised in that：
The end part includes：Include the main body of basic cubic shaped；With the skirtboard of lower part for being formed as surrounding the main body,
The bottom plate of the main body is formed with opening, and the opening includes the basic phase of opening diameter with first loudspeaker unit
Same diameter,
In the two neighboring side surface that sound transmitting opening is formed in four side surfaces of the main body and it is configured as
The backboard for limiting the direction of sound transmission is formed on its different from the two neighboring side surface in four side surfaces
Its two side surface and
The light-emitting component is installed in the sound on the inside of the skirtboard between the bottom plate and first loudspeaker unit
Emit open side corner section.
2. speaker unit according to claim 1, wherein the reflector is included comprising by the way that two triangles are connect
The surface of shape for being combined together and being formed, and each of described two triangles is connected to the lower vertex angle part of the backboard
Between the top edge of the sound transmitting opening.
3. speaker unit according to claim 1, wherein the light-emitting component is installed in and the shape in the bottom plate
Into the opening compared in plan view closer to the sound transmitting open side corner section position.
4. the speaker unit described in any one in Claim 1-3, further comprises：Second loudspeaker unit
With third loudspeaker unit, second loudspeaker unit and third loudspeaker unit are placed at first loudspeaker unit
Below and it is arranged in the vertical direction so that it is oriented in different directions,
Signal wherein in different sound channels is correspondingly input to second loudspeaker unit and the third loud speaker list
Member.
5. speaker unit according to claim 4,
Wherein described second loudspeaker unit and the third loudspeaker unit be stored in a loudspeaker boxes and
Wherein one loudspeaker boxes include bass-reflex port, and the bass-reflex port is placed into so that described low
Sound reflector port, second loudspeaker unit and the third loudspeaker unit are arranged on the vertical direction, and institute
During bass-reflex port is stated between the different orientation direction of second loudspeaker unit and the third loudspeaker unit
Between just open up.
6. speaker unit according to claim 4, wherein second loudspeaker unit and the third loud speaker list
Member is installed between hearer and wall surface, and the wall surface is configured as reflection by second loudspeaker unit and described the
Each sound emitted in three loudspeakers unit, and second loudspeaker unit and the third loudspeaker unit
It is installed into and is orientated towards the wall surface.
7. the speaker unit described in any one in Claim 1-3, further comprises the second loudspeaker unit,
Second loudspeaker unit is installed in the back of housing and is provided in back side direction and is orientated,
Wherein described back is oriented to towards at least one wall, and at least one wall is configured as reflection and is raised by described second
The sound of sound device unit transmitting.
8. speaker unit according to claim 7 wherein the speaker unit is installed in the corner portion in room, makes
It obtains and is reflected away by the sound that second loudspeaker unit emits from the two neighboring wall as at least one wall.
9. speaker unit according to claim 7 causes wherein the speaker unit is installed by described second
The sound of loudspeaker unit transmitting is reflected away from a wall as at least one wall.
10. speaker unit according to claim 7, wherein the reflector is configured as：Compared to by described
It is formed on the direction of greater angle in the situation that the sound of one loudspeaker unit transmitting is advanced as the crow flies, reflects and propagate by institute
State the sound of the first loudspeaker unit transmitting.
11. a kind of end part being installed on the upside for the loudspeaker unit being upwardly oriented, the end part include：
Main body, the main body include basic cubic shaped and including bottom plates, and the bottom plate is formed with opening, the opening packet
Include the diameter essentially identical with the diameter of the opening of the loudspeaker unit；
Skirtboard, the skirtboard are formed between the main body and the loudspeaker unit；With
Reflector, the reflector are configured as reflecting the sound emitted by the loudspeaker unit,
In the two neighboring side surface that wherein sound transmitting opening is formed in four side surfaces of the main body and it is configured
The backboard in the direction to limit sound transmission is formed in its different from the two neighboring side surface in four side surfaces
Its two side surface and
Wherein described reflector is included comprising the surface by the way that two triangles to be joined together to the shape to be formed, and institute
State two triangles each be connected to the backboard lower vertex angle part and the sound transmitting opening top edge between.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-091064 | 2013-04-24 | ||
| JP2013091064A JP6070387B2 (en) | 2013-04-24 | 2013-04-24 | Speaker device and headpiece used for speaker device |
| JP2013-107884 | 2013-05-22 | ||
| JP2013107884A JP6182976B2 (en) | 2013-05-22 | 2013-05-22 | Speaker device |
| JP2013108628A JP6032126B2 (en) | 2013-05-23 | 2013-05-23 | Speaker device |
| JP2013-108628 | 2013-05-23 | ||
| JP2013116349A JP6142677B2 (en) | 2013-05-31 | 2013-05-31 | Speaker device |
| JP2013-116349 | 2013-05-31 | ||
| PCT/JP2014/061059 WO2014175183A1 (en) | 2013-04-24 | 2014-04-18 | Speaker device, and head piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105144744A CN105144744A (en) | 2015-12-09 |
| CN105144744B true CN105144744B (en) | 2018-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480023290.XA Active CN105144744B (en) | 2013-04-24 | 2014-04-18 | Speaker unit and end part |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2991367B1 (en) |
| CN (1) | CN105144744B (en) |
| WO (1) | WO2014175183A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105230043B (en) * | 2013-05-22 | 2018-06-15 | 雅马哈株式会社 | Speaker unit |
| US10306386B2 (en) * | 2017-06-27 | 2019-05-28 | Bose Corporation | Portable speaker configurations |
| TWI674006B (en) * | 2018-04-27 | 2019-10-01 | 賴冠佑 | Speaker and system thereof |
| JP2022026838A (en) * | 2020-07-31 | 2022-02-10 | 株式会社Ｊｖｃケンウッド | Audio playback device and speaker device |
| US11460169B1 (en) | 2020-08-07 | 2022-10-04 | Apple Inc. | Electronic device with low profile optical plate for outputting visual feedback |
| CN113115168B (en) * | 2021-03-23 | 2022-10-04 | 北京小米移动软件有限公司 | Audio module and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044376A (en) * | 1988-11-30 | 1990-08-01 | 费宗浩 | Speaker unit |
| EP0606764A2 (en) * | 1992-12-25 | 1994-07-20 | Kabushiki Kaisha Toshiba | Reflection-type speaker apparatus |
| CN2329133Y (en) * | 1998-07-06 | 1999-07-14 | 刘星华 | Omnibearing loudspeaker box |
| JP2009213103A (en) * | 2008-03-03 | 2009-09-17 | Kimio Hachiro | Acoustic device with illumination function |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0698392A (en) * | 1991-03-28 | 1994-04-08 | Nippon Columbia Co Ltd | Acoustic device |
| JP2765650B2 (en) | 1995-09-29 | 1998-06-18 | アイワ株式会社 | Stereo speaker device |
| JPH1175277A (en) | 1997-06-23 | 1999-03-16 | Daewoo Electron Co Ltd | Audio system with illumination for decoration |
| JP2004282309A (en) * | 2003-03-14 | 2004-10-07 | Pioneer Electronic Corp | Loudspeaker system |
| JP2007037058A (en) | 2005-07-29 | 2007-02-08 | Sony Corp | Speaker system |
| JP4747912B2 (en) | 2006-03-31 | 2011-08-17 | ヤマハ株式会社 | Speaker device |
-
2014
- 2014-04-18 CN CN201480023290.XA patent/CN105144744B/en active Active
- 2014-04-18 WO PCT/JP2014/061059 patent/WO2014175183A1/en active Application Filing
- 2014-04-18 EP EP14787849.0A patent/EP2991367B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044376A (en) * | 1988-11-30 | 1990-08-01 | 费宗浩 | Speaker unit |
| EP0606764A2 (en) * | 1992-12-25 | 1994-07-20 | Kabushiki Kaisha Toshiba | Reflection-type speaker apparatus |
| CN2329133Y (en) * | 1998-07-06 | 1999-07-14 | 刘星华 | Omnibearing loudspeaker box |
| JP2009213103A (en) * | 2008-03-03 | 2009-09-17 | Kimio Hachiro | Acoustic device with illumination function |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014175183A1 (en) | 2014-10-30 |
| EP2991367B1 (en) | 2020-02-19 |
| EP2991367A1 (en) | 2016-03-02 |
| EP2991367A4 (en) | 2016-12-14 |
| CN105144744A (en) | 2015-12-09 |
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