CN1707608A - Sound amplifier - Google Patents
Sound amplifier Download PDFInfo
- Publication number
- CN1707608A CN1707608A CNA2005100695726A CN200510069572A CN1707608A CN 1707608 A CN1707608 A CN 1707608A CN A2005100695726 A CNA2005100695726 A CN A2005100695726A CN 200510069572 A CN200510069572 A CN 200510069572A CN 1707608 A CN1707608 A CN 1707608A
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- Prior art keywords
- sound
- earphone
- installation portion
- intensifier
- cover member
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- 238000009434 installation Methods 0.000 claims description 95
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 7
- 238000005192 partition Methods 0.000 abstract 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 12
- 230000006870 function Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000001746 injection moulding Methods 0.000 description 8
- 238000003306 harvesting Methods 0.000 description 7
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- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 239000012467 final product Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Images
Classifications
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- 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
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones
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- 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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
-
- 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
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
-
- 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
Abstract
The invention provides a small-sized and lightweight loudspeaker with which a plurality of persons are capable of simultaneously listening to sounds generated from earphones, and which does not include any lead wire or connector. The loudspeaker (1) includes an eddy-like sound conduction path (4) of which a spatial cross-sectional area becomes larger gradually from a starting terminal portion (4a) and an ending terminal portion (4b), and earphone mounting portions (3,3) arranged oppositely at positions across the starting terminal portion (4a) of the sound conduction path (4). The sound conduction path (4) is formed from a partition (14) which is formed like an eddy, and cover members (12, 13) holding the partition (14) from both sides, and each of the earphone mounting portions (3,3) is formed in shape of recess corresponding to an outer surface shape of an earphone to be mounted.
Description
Technical field
The present invention relates to the sound intensifier of the small-sized light weight of a kind of not lead-in wire and connector, relate to the sound intensifier of small-sized light weight that the more than enough people of a kind of energy accepts the sound of earphone generation simultaneously in more detail.
Background technology
In recent years, the playback equipments such as MP3 of portable CD Player, portable MD player, portable cassette player, use flash memory, be called as portable audio player or portable player, obtained extensively popularizing as the portable type information record playing device.In addition, the portable set that resemble radio or the up-to-date mobile phone etc., has music information or an acoustic information receiving function has also obtained extensively popularizing.
Above-mentioned playback equipment or portable equipment (below, be referred to as " playback equipment "), need miniaturization and, mostly do not possess loudspeaker function.Therefore, such playback equipment, the lead-out terminal (being also referred to as the earphone terminal) that has outputting music information or acoustic information (below, be referred to as " music information ") can be by with earphone system or listen the connector of cartridge system etc. be connected to this lead-out terminal information of listening to the music.In addition, earphone system is for example under the situation of corresponding stereophonic sound system, by pair of right and left earphone, connector, the flexible cord that is electrically connected between earphone and the connector is constituted.The flexible cord of earpiece side is bifurcated into two branch lines, and each branch line of institute's bifurcated is respectively the length of regulation.
Under common occasion, the connector of earphone system is inserted on the lead-out terminal of above-mentioned various playback equipments all the time, flexible cord is twined or is rolled onto the outside of this playback equipment and put into bag etc.And in use, earphone put into ear or hang over listen to music information on the ear.
But hope friend together waits and also can hear music information sometimes.For example, wish sometimes to listen new bent limit to introduce, perhaps, perhaps listen the mobile phone content with household or friend etc. with on every side the people news etc. that listens to the radio with the friend limit.In addition, place such as in own room or sometimes wishes earphone taken off from ear and listens with going out.
As the loudspeaker that can use in these occasions, having known has portable small-sized loudspeaker.For example, patent documentation 1 described loudspeaker is made of loudspeaker main body, the connector that inserts the lead-out terminal of playback equipment, the flexible cord that input signal cable and ground wire are formed as one.In the above-mentioned occasion, always carry this such loudspeaker, and by after the connector of earphone system is taken from playback equipment, the connector that will possess loudspeaker is inserted into the lead-out terminal of playback equipment, can hear music information from loudspeaker.
In addition, for example in patent documentation 2, put down in writing oscillating plate and spirality or the zigzag loudspeaker of leading the sound track be combined into that piezoelectric ceramics will be installed.Having put down in writing this loudspeaker in the document 2 is that piezoelectric ceramics is out of shape corresponding to the signal voltage that applies, oscillating plate vibrates, leading the device that will be amplified by the sound wave that this vibration produces in the sound track along with this distortion, and it is effective as the intercom that waits without is set.Identical with the loudspeaker of above-mentioned patent documentation 1, this loudspeaker is also always carried, and behind the connector of from playback equipment, taking earphone system, insert the lead-out terminal of playback equipment, can hear music information from loudspeaker by the connector that will possess loudspeaker.In addition, so-called loudspeaker one speech is that the general designation of the thing of the sound and the function of amplifying is used as having electrical signal conversion normally.
Patent documentation 1: the spy opens flat 8-102987 communique
Patent documentation 2: the spy opens flat 7-222284 communique
Summary of the invention
The problem that invention will solve
As mentioned above, the music information of above-mentioned playback equipment is in most of the cases listened by earphone system by the individual, and the chance of listening simultaneously with own people in addition is actually fewer.But when running into aforesaid occasion sometimes, music information etc. can be easily shared in hope.
But, using under the situation of patent documentation 1,2 described loudspeakers etc., after the connector of earphone system taken from playback equipment, must be by earphone system be twined or rolls and put in order, and the connector that will possess loudspeaker inserts the lead-out terminal of playback equipment.In addition, hear out music information with loudspeaker after, when thinking to listen to the music information with earphone again, need take out earphone system once more and replace connector, simultaneously, need harvesting lead-in wire or connector that loudspeaker had.
And, developed as playback equipment such as MP3 recently or sent the playback equipment of the minimal type light weights such as mobile phone of music.Thereby portable speaker also further requires miniaturization and, and simultaneously, requirement is the good simple structure of designability.
The present invention proposes in order to address the above problem, and its purpose is to provide a kind of can accept small-sized light weight sound intensifier sound, that do not have lead-in wire or connector that earphone produces simultaneously by many people.
The means of dealing with problems
For reaching the sound intensifier of the present invention of above-mentioned purpose, it is characterized in that having: the spiral helicine sound travel of leading, its space sectional area becomes big gradually from initial end to terminal part; The earphone installation portion is configured on the position that clips this initial end of leading sound travel relatively.
According to the present invention, have: the spiral helicine sound travel of leading, its space sectional area becomes big gradually from initial end to terminal part; With the earphone installation portion, be configured in relatively and clip the position that this leads the initial end of sound travel.Therefore, by earphone being installed in this earphone installation portion, can in leading sound travel, amplify the sound that produces from earphone.Its result when running into above-mentioned occasion, can easily share music information etc.In addition, the input source of the voice signal of this sound intensifier is the sound from earphone output, not original such being used to is connected to lead-in wire or the connector on the lead-out terminal of playback equipment, therefore, as long as carry out earphone is installed in operation on this earphone installation portion information of can listening to the music.Its result does not need to resemble the miscellaneous work of harvesting or the like of the replacing once more of harvesting, connector, lead-in wire or the connector of the replacement of carrying out connector original, earphone system.
Sound intensifier of the present invention is characterised in that: in the sound intensifier of the invention described above, the described sound travel of leading is formed by the cover member that forms spiral helicine dividing plate and clip this dividing plate from both sides.
According to this invention, lead sound travel and form by the cover member that forms spiral helicine dividing plate and clip this dividing plate from both sides, therefore, can by the dividing plate that for example forms with injection moulding etc. with cover the sound travel of leading that member easily constitutes intended shape.In addition, design, can make the good sound intensifier of appearance design by outside surface form to the cover member.
Sound intensifier of the present invention is characterised in that: in the sound intensifier of the invention described above, described earphone installation portion forms with the concave shape corresponding with the external surface shape of the earphone that will install.
According to this invention, the earphone installation portion forms with the concave shape corresponding with the external surface shape of the earphone that will install, therefore, earphone can be installed on the sound intensifier definitely, and its result can amplify music information effectively in leading sound travel.
Sound intensifier of the present invention is characterised in that: in the sound intensifier of the invention described above, described earphone installation portion is set as removably member.
According to the present invention, the earphone installation portion is set as removably member, therefore, and also applicable to the various earphone shapes of selling on the market.That is, be pre-formed a plurality of earphone installation portions that are fit to the earphone shape, can change the earphone installation portion according to the earphone that uses.
As above illustrated, according to sound intensifier of the present invention,, in leading sound travel, amplify from the sound of earphone output by earphone being installed in the earphone installation portion, therefore running under the situation of above-mentioned occasion, can easily share music information etc.In addition, this sound intensifier, only just can hear music information, therefore, not need to carry out the miscellaneous work of harvesting or the like of the replacing once more of harvesting, connector, lead-in wire or the connector of replacement, the earphone system of existing connector by the operation of carrying out earphone is installed in the earphone installation portion.
In addition, according to sound intensifier of the present invention, by for example can easily constituting the sound travel of leading of intended shape with the dividing plate of formation such as injection moulding and cover member, in addition, design by outside surface form the cover member, can make appearance design good sound amplifier, therefore, become the sound intensifier of the good small-sized light weight easy to carry of outward appearance.
In addition,, can definitely earphone be installed on the sound intensifier, therefore, can in leading sound travel, amplify music information effectively according to sound intensifier of the present invention.In addition, by being pre-formed a plurality of earphone installation portions that are fit to the earphone shape, can change the earphone installation portion according to the earphone that uses.
Description of drawings
Fig. 1 is the decomposition key diagram of an example of expression sound intensifier of the present invention.
Fig. 2 is the front view (FV) of sound intensifier of the present invention.
Fig. 3 is the left surface figure of the sound intensifier of Fig. 2.
Fig. 4 is the right hand view of the sound intensifier of Fig. 2.
Fig. 5 is the A-A sectional view of the sound intensifier of Fig. 2.
Fig. 6 is the front view (FV) of the main component of formation sound intensifier of the present invention.
Fig. 7 is the sectional view of an example of the earphone installation portion of expression formation sound intensifier of the present invention.
Fig. 8 constitutes another routine sectional view of the earphone installation portion of sound intensifier of the present invention for expression.
The sectional view of the form of the earphone installation portion that Fig. 9 will constitute sound intensifier of the present invention for expression during as sealing.
The function curve diagram that Figure 10 depicts for the X value that will calculate according to formula 1,2 and Y value conduct (X, Y) coordinate axis.
Figure 11 is installed in earphone for expression the stereographic map of one example of sound intensifier of the present invention.
Figure 12 is the curve map of relation between expression frequency (Hz) and the acoustic pressure (dBSPL).
Embodiment
Below, with reference to description of drawings sound intensifier of the present invention.
Fig. 1 is the decomposition key diagram that an example of sound intensifier of the present invention is shown.Fig. 2 is the front view (FV) of sound intensifier of the present invention; Fig. 3 is the left surface figure of the sound intensifier of Fig. 2; Fig. 4 is the right hand view of the sound intensifier of Fig. 2; Fig. 5 is the A-A sectional view of the sound intensifier of Fig. 2.In addition, Fig. 6 is the key diagram of the main component of formation sound intensifier of the present invention.
Sound intensifier 1 of the present invention, as Fig. 1～shown in Figure 6, by have the sound intensifier main body 2 of leading sound travel 4, the earphone installation portion 3 that is installed on this sound intensifier main body 2 constitutes.In this sound intensifier 1 of the present invention, the sound travel 4 of leading with sound intensifier main body 2 forms spiral fashion, and its space sectional area becomes big from initial end 4a gradually to terminal part 4b.In addition, earphone installation portion 3 is configured on the position that clips the initial end 4a that leads sound travel 2 relatively.
The sound intensifier main body
At first, sound intensifier main body 2 is described.Sound intensifier main body 2 shown in Fig. 1 waits, is to clip a pair of cover member 12,13 combinations of main component 11 with main component 11 with from both sides and constitute.
Main component 11 as Fig. 1 and shown in Figure 6, is the member with the outside plate 15 in the outside that is used to constitute the spiral septum 14 of leading sound travel 4, is arranged on this dividing plate 14.
Dividing plate 14 is made of the sheet material of any thickness, and is moving and constitute the spiral sound travel 4 of leading with a pair of cover member 12,13 associations of narrating later.The length of the Width of dividing plate 14 produces the angle of the sound of acoustical sound when making the miniaturization and of sound intensifier involved in the present invention 1 as far as possible, for example 15～20mm degree preferably.In addition, the length of the Width of dividing plate 14, and the distance between a pair of cover member 12,13 is roughly the same, a limit when being formed in the sectional area of obtaining the cross section, space of leading sound travel 4.
Outside plate 15 also is made of the sheet material of any width and thickness, when vertical view 6, constitutes left surface 15a, upper surface 15b, left surface 15c and the lower surface 15d of sound intensifier 1 involved in the present invention, forms about rectangular shape on vertical view.Therefore constitute the outside plate 15 of this each face, be presented on the surface, be preferably made the form of paying attention to designability, for example can example illustrate, make near the form that caves in sleekly the central authorities of each face as Fig. 1 and shown in Figure 2 as face shaping.
At the two ends of the Width of outside plate 15, formed the convex auxiliary section 16 of the concavity auxiliary section 21 that is coupled to the periphery that is arranged on the inside 12b, the 13b that respectively cover member 12,13.This convex auxiliary section 16 is arranged on the almost complete cycle of outside plate 15, and concavity auxiliary section 21 cooperations of the convex auxiliary section 16 of main component 11 and cover member described later 12,13 constitute sound intensifier main body 2.The shape of this convex auxiliary section 16 for example as shown in Figure 5, can be the form that otch is set on its part, also can be so-called convex.At spiral dividing plate 14 be roughly between the rectangular-shaped outside plate 15, be formed with spatial portion 17.
In addition, as Fig. 1 and shown in Figure 6, also can on arbitrary position of outside plate 15, installation portion 18 be set.Installation portion 18 for example as shown in Figure 6, is wished to be arranged on by the right flank 15c relative with the left surface 15a with peristome 5, is constituted the bight that the lower surface 15d of peristome 5 forms.Be arranged on the installation portion 18 of this position, when playing the effect of the fulcrum that erects sound intensifier 1, play the effect that its center of gravity is reduced, therefore can stably erect sound intensifier 1.In addition, can be arbitrary structures between this installation portion 18 and the above-mentioned spatial portion 17.
Below, be described in detail leading sound travel 4.
Lead sound travel 4, as Fig. 1, Fig. 5 and shown in Figure 6, the dividing plate 14, a pair of cover member 12,13 the inside 12b, the 13b separately that are had by main component 11 constitute.Leading the space cross sectional shape of sound travel 4, is essentially rectangular shape as shown in Figure 5, and the space sectional area of leading sound travel 4 becomes big from initial end 4a gradually to terminal part 4b.This is led sound travel 4 and plays the effect of amplification from the sound of the earphone output that is installed in earphone installation portion 3.Its result can easily share music information etc.
In addition, as shown in Figure 1, the initial end 4a that leads sound travel 4 is that the space sectional area of leading sound travel 4 is the part (part that comprises the initial point P that leads sound travel 4 shown in Figure 6) of spiral-shaped beginning for minimum part; The terminal part 4b that leads sound travel 4 is that the space sectional area of leading sound travel 4 is that the best part is the part (peristome 5 shown in Figure 6) of spiral-shaped end.In addition, leading the space sectional area of sound travel 4, as shown in Figure 6, is the area in the space cross section vertical with the spirality imaginary line S of the mid point of the coordinate axis of a side of amplifying by spiral fashion.
It is consistent to lead (for example front view (FV) of Fig. 2 and Fig. 6) center that the initial end 4a of sound travel 4 can be when overlooking sound intensifier 1, but also can be the position of staggering from this center.For example, as shown in Figure 2, the initial end 4a that leads sound travel 4 is shifted from the center to the bight of a side relative with the bight that is provided with installation portion 18 direction.Thus, by the initial end 4a that leads sound travel 4 is more moved to the bight lateral deviation than the center of sound intensifier 1.Can make the length of leading sound travel 4 elongated in fact.
Leading the terminal part 4b of sound travel 4, is that the sound that will enter from earphone installation portion 3 amplifies the position of exporting, and as Fig. 3 and shown in Figure 6, is arranged on the face (Fig. 3 is left surface 15a) of main component 11, becomes the peristome 5 of sound intensifier 1.This peristome 5 as Fig. 3 and shown in Figure 6, is formed on almost the latter half of the left surface 15a of aforementioned body member 11.Thereby, form the outside plate 15 of this left surface 15a, form with the bight of left surface 15a and upper surface 15b length to the substantial middle portion of left surface 15a.
Lead the shape of sound travel 4, can make its shape and identical the obtaining of function curve of being calculated by forming dividing plate 14 by following formula 1 and formula 2.In addition, Figure 10 has represented the function curve that the X value that will be calculated by following formula and Y value are drawn as (X, Y) coordinate axis.Distance table to reference point (0,0) is shown R=m * exp (u), and m represents spreading coefficient, and u represents spiral-shaped angle.
X＝R×COS(2πu+π) ...1
Y＝R×SIN(2πu+π) ...2
In this relational expression, be the distance R of 1 o'clock reference point (0,0) to angle u, be about 2.718 * m, for example m is (X, Y) coordinate of 2 o'clock, is (5.437,0) that this point becomes spiral-shaped initial point as shown in figure 10.Thereby the coordinate position when angle u is 1 becomes spiral-shaped initial point; When angle u was 2, spiral-shaped was a circle; Angle u is 3 o'clock, and spiral-shaped is two circles.The terminal point of function curve shown in Figure 10 is that spiral is the coordinate position of 2 circles+1/4 circle, and therefore the angle u at this coordinate position place is 3.25.
In addition, the curve of the symbol among Figure 10 100 is that spreading coefficient m is 2 and the function curve of spiral-shaped angular range u=1～3.25 o'clock.In addition, the curve of the symbol among Figure 10 101 is that spreading coefficient m is 2.3 and the function curve of spiral-shaped angular range u=1～3.25 o'clock.In addition, the curve of the symbol among Figure 10 102 is that spreading coefficient m is 1.7 and the function curve of spiral-shaped angular range u=1～3.25 o'clock.
In the above-mentioned relation formula, if change spreading coefficient m, spiral-shapedly just change, therefore, width by any setting spreading coefficient m and dividing plate 14 (width of the relative direction of the inside 12b, the 13b of cover member 12,13) can be by leading the tonequality that sound travel 4 changes the sound that sends from peristome 5.
Below, the cover member is described.
Cover member the 11, the 12nd, present expectation appearance design be roughly rectangular-shaped tabular component, be configured with the form that clips aforementioned body member 11.As the appearance design of cover member, can be to print literal or patterns such as signifying sign, manufacturer's name, trade name or form these shapes, also can form the concaveconvex shape that constitutes by any decorative pattern.
On the inside 12b, the 13b of cover member, formed the concavity auxiliary section 21,22 that cooperates with main component 11.Wherein, be arranged on the concavity auxiliary section 21 of the inside periphery of cover member, corresponding to the outside plate 15 that is arranged on main component 11 on convex auxiliary section 16, cooperate with convex auxiliary section 16.On the other hand, be arranged on the concavity auxiliary section 22 of inboard, the inside of cover member,, cooperate with each end of the Width of this dividing plate 14 corresponding to the dividing plate 14 of main component 11.In the present invention, being arranged on the dividing plate 14 of concavity auxiliary section 21,22 and main component 11 of the inside of cover member 12,13 and outside plate 15 cooperates accurately and forms sound intensifier main body 2.
Be arranged on the recess width of concavity auxiliary section 21 of the inside periphery of cover member, wish to form with the roughly the same size of the protuberance width of the convex auxiliary section 16 of the outside plate 15 that is arranged on main component 11.In addition, as shown in Figure 5, consider appearance design and quality of fit, also can be provided with the recess wall of outside surface side of concavity auxiliary section 21 that is arranged on the inside periphery of cover member lower than the recess wall of inner face side.In addition, be arranged on the recess width of concavity auxiliary section 22 of the inboard, the inside of cover member, hope is to form with the roughly the same size of the thickness of the dividing plate 14 of main component 11.
The leading section of the side that a pair of recess wall that this concavity auxiliary section of formation is wished in these concavity auxiliary sections 21,22 is relative is incline structure or chamfering structure.Thus, even stagger a little with the position of concavity auxiliary section 21,22 in the end of the dividing plate 14 of main component 11 and the convex auxiliary section of outside plate 15 16, also can pass through this incline structure or chamfering structure, easily the end of dividing plate 14 and the convex auxiliary section 16 of outside plate 15 be imported in the concavity auxiliary section 21,22.
Have the cover member 12,13 of earphone installation portion 3 integratedly, for example can form by integrally formed methods such as injection mouldings, perhaps can be by bonding grade with the incompatible formation of joining of earphone installation portion 3 and cover member 12,13.
On the other hand, in the cover member 12,13 with mounting hole 6, this mounting hole 6 forms corresponding to the formation position that is formed on the initial end 4a that leads sound travel 4 on the main component 11, and forms with the diameter greater than this initial end 4a.
On the inner peripheral surface of mounting hole 6, for example as Fig. 5 and shown in Figure 6, formed its internal diameter and be 2 grades auxiliary section 7.At least one place of this auxiliary section 7 has formed its internal diameter and is not 2 grades otch auxiliary section 8.Auxiliary section 7 is corresponding to the auxiliary section 34 of the outer rim that is formed on earphone installation portion 3, otch auxiliary section 8 is corresponding at least one teat 35 in the localities of the outer rim that is formed on earphone installation portion 3, cover member 12,13 and earphone installation portion 3 cooperatively interact and become one by being respectively formed at auxiliary section 7,34 on it, in addition, by otch auxiliary section 8 that is arranged on the cover member side and the teat 35 that is arranged on earphone installation portion 3, both install with the state that does not move to circumferencial direction.
The earphone installation portion
Sound hole 9 plays as leading the effect of the sound travel of sound travel 4 from the sound that earphone sends.Sound hole 9 forms roughly cylindric, and its diameter is from selecting the transmission sound from earphone arbitrarily to the scope of leading sound travel 4.
The inner peripheral surface 32 of earphone installation portion 3 forms with the external diameter diameter much at one with earphone.The inside of earphone installation portion 3 has formed pedestal part 33.This pedestal part 33 plays the effect of supporting the earphone of installing.In addition, the sound that sends from earphone enters from the sound hole 9 of a side of earphone installation portion 3 and leads sound travel 4.
On the end face of the sound hole side of earphone installation portion 3, formed concavity auxiliary section 36.This concavity auxiliary section 36 cooperates with dividing plate 14 in the initial end 4a that leads sound travel 4 of main component.That is, when the mounting hole 6 of earphone installation portion 3 insertion cover members is installed, on this concavity auxiliary section 36, cooperate the end of dividing plate 14.The width of concavity auxiliary section 36 (intervals of two recess wall) hope is with the size formation roughly the same with the thickness of dividing plate 14.In addition, the leading section of wishing the side that a pair of recess wall of this concavity auxiliary section of formation of this concavity auxiliary section 36 is relative is incline structure or chamfering structure.Thus, even stagger in the position of 36 of the end of the dividing plate 14 of main component 11 and concavity auxiliary sections,, can be easily the end of dividing plate 14 be imported in the concavity auxiliary section 36 by this incline structure or chamfering structure.
Below, to loading and unloading or pieceable earphone installation portion 3 is elaborated.Fig. 7 constitutes the sectional view of an example of loading and unloading of sound intensifier of the present invention or pieceable earphone installation portion for expression.
This earphone installation portion 3, as shown in Figure 7, presenting its internal diameter is 2 grades of inner peripheral surfaces that diminish 31.On the face side of earphone installation portion 3, formed flange part 31 corresponding to the auxiliary section 7 of the mounting hole 6 that covers member.Flange part 31 possesses the auxiliary section 34 that is formed by 2 grades of shapes corresponding to this auxiliary section 7, and its auxiliary section 7 with the mounting hole 6 of cover member is cooperated.Be arranged at least one place in the auxiliary section 34 of outer rim of this flange part 31, formed the teat 35 corresponding with the otch auxiliary section 8 of the mounting hole 6 of cover member.When this teat 35 was installed when the mounting hole 31 that earphone installation portion 3 is inserted the cover member, teat 35 cooperated with otch auxiliary section 8, makes earphone installation portion 3 can not move to Zhou Fangxiang.
In the sound intensifier 1 of the present invention, with this earphone installation portion 3 can load and unload maybe can be mounted in engagement with the cover member 12,13 on, therefore,, the earphone installation portion that is suitable for the earphone shape can be installed by preparing a plurality of earphone installation portions that are suitable for the shape of headset type.
Fig. 8 constitutes another routine sectional view of loading and unloading of sound intensifier of the present invention or pieceable earphone installation portion 3 ' for expression.This earphone installation portion 3 ', as shown in Figure 8, presenting internal diameter is 4 grades of inner peripheral surfaces that diminish 32.On the face side of earphone installation portion 3 ', identical with earphone installation portion 3 shown in Figure 7, formed the corresponding flange part 31 in auxiliary section 7 with the mounting hole 6 of cover member.Flange part 31 possesses the auxiliary section 34 that is formed by 2 grades of shapes corresponding with this auxiliary section 7, and its auxiliary section 7 with the mounting hole 6 of cover member is cooperated.Be arranged at least one place in the auxiliary section 34 on the outer rim of this flange part 31, formed the teat 35 corresponding with the otch auxiliary section 8 of the mounting hole 6 of cover member.When this teat 35 was installed when the mounting hole 31 that earphone installation portion 3 ' is inserted the cover member, teat 35 cooperates with otch auxiliary section 8 made earphone installation portion 3 ' not move to Zhou Fangxiang.
The earphone installation portion 3 ' of form shown in Figure 8 has three kinds of inner peripheral surfaces that internal diameter has nothing in common with each other except that the part of sound hole 9.Thereby, even the different earphone of outer circumference diameter also can be installed on this earphone installation portion 3.
More than, structural elements to sound intensifier 1 of the present invention is illustrated, but constitute the sound intensifier main body 2 (main component 11 and a pair of cover member 12,13) and the earphone installation portion 3 of sound intensifier 1 of the present invention, can form by various materials.As its concrete example, hope is resin materials such as ABS resin or acrylic resin.By sound intensifier main body 2, the earphone installation portion 3 that resin material forms, can easily realize miniaturization and, simultaneously, also be favourable aspect the emission characteristics of sound.Constitute main component 11, cover member 12,13 and the earphone installation portion 3 of sound intensifier main body 2, normally form by the high method of injection moulding isoproductivity, therefore, form by similar resin material and will help reducing cost, and can form by different types of resin material.
Sound intensifier 1 of the present invention, integrated with each structural elements that various joint methods will form.As integral method, can give an example out and after each structural elements is cooperated, carry out the method for ultrasonic soldering, the method that after smearing bonding agent on the auxiliary section, cooperates etc.
As above illustrated, according to sound intensifier of the present invention, having the space sectional area becomes big from initial end gradually to terminal part and spiral helicinely leads sound travel, is configured in the earphone installation portion of the position that clips this initial end of leading sound travel relatively, therefore, by earphone being installed in this earphone installation portion, can in leading sound travel, amplify the sound that sends from earphone.Its result when running into above-mentioned occasion, can easily share music information etc.In addition, in this sound intensifier, the input source of voice signal is the sound that sends from earphone, there be not existing lead-in wire or the connector that is used to be connected to the lead-out terminal of playback equipment, therefore, as long as carry out the operation that earphone is installed on this earphone installation portion can be heard music information, its result will not need to resemble the miscellaneous work of harvesting or the like of the replacing once more of harvesting, connector, lead-in wire or the connector of the replacement of carrying out connector original, earphone system.
In addition, according to sound intensifier of the present invention, can be by for example easily constituting the sound travel of leading of intended shape with the dividing plate of formation such as injection moulding and cover member, in addition, design by outside surface form the cover member, can make appearance design good sound amplifier, therefore, become the sound intensifier of the good small-sized light weight easy to carry of outward appearance.
In addition,, can definitely earphone be installed on the sound intensifier, therefore music information can led amplification effectively on the sound travel according to sound intensifier of the present invention.In addition, by being pre-formed a plurality of earphone installation portions that are suitable for the earphone shape, can change the earphone installation portion corresponding to the earphone that uses.
The using method of sound intensifier
Below, the using method of the sound intensifier of the present invention that is made of the said structure member is described.Figure 11 is installed in earphone for expression the stereographic map of one example of the form of sound intensifier of the present invention.Earphone 10 is the members that constitute earphone system, and this earphone system is for example when stereo, by pair of right and left earphone 10, connector (not shown), the flexible cord 41 that is electrically connected between earphone and the connector is constituted.The flexible cord 41,41 ' of earpiece side is bifurcated into 2 branch lines, and each branch line behind the bifurcated has specified length respectively.
Sound intensifier 1 of the present invention has pair of right and left earphone installation portion 3,3, and a pair of earphone 10 is installed on this earphone installation portion 3,3.Have variously as earphone, for example (i) can be categorized as stereo type and monophony type, (ii) can be categorized as the inner that inserts ear and hang over external type on the ear or the like, and these shapes also has delicate difference.In the present invention, consider these points, earphone installation portion shape wishes it is the shape of corresponding various earphone shapes.In addition, under the situation of earphone installation portion removably, can prepare in the application's book the various earphone installation portions outside the diagram in advance so that adapt to various earphones.
As the common using method of common loudspeaker, the connector of earphone system is inserted into the lead-out terminal (earphone terminal) of playback equipment, and earphone is inserted the ear information of listening to the music.Sound intensifier 1 of the present invention, when hope friend together etc. also can hear music information, for example, listen new bent limit to introduce in hope with the friend limit, perhaps, perhaps listen the occasion of mobile phone content, perhaps in own room or the ground etc. of going out with household or friend with on every side the people news etc. that listens to the radio, hope is taken off the occasion of listening with earphone from ear, can fully satisfy these requirements.
In the sound intensifier 1 of the present invention, the sound that sends from earphone 10, each sound hole 9,9 that is had by earphone installation portion 3,3 arrives leads the initial end 4a of sound travel 4, and transmits in the sound travel and amplify spiral helicine leading.The sound that amplifies, from the peristome 5 of the terminal part 4b that leads sound travel 4 to the output of the outside of sound intensifier 1.This sound intensifier 1 does not use big circuit of tele-release or oscillating plate to get final product voice emplifying.Thereby, do not have lead-in wire or connector and do not need driving power, therefore, small-sized light weight and cheapness.In addition, sound intensifier 1 of the present invention forms spiral fashion by leading sound travel 4, realizes miniaturization.
In addition, sound intensifier 1 of the present invention is led the spiral-shaped spreading coefficient and the space sectional area of sound travel 4 by adjusting, for example as illustrating among the embodiment described later, with the acoustic phase ratio that sends from earphone 10, scalable low range and the exportable sound of playing frequency band that enlarged.
In addition, sound intensifier 1 of the present invention, shown in Fig. 1 waits, by peristome 5 being erected become the side, can be with it attractive in appearance and save space sound intensifier 1 of the present invention is set.
In addition, when earphone 10 for monoaural type and when having only an earphone 10, as shown in Figure 9, also the installation component 38 with sealing 37 can be arranged on either party of earphone installation portion.
Below, be that example is described more specifically the present invention with embodiment.
Embodiment
The sound intensifier 1 of embodiment 1 is made into the form as Fig. 1～Fig. 6.The material of main component 11 has used ABS resin, and injection moulding is the form of outside plate 15 (thickness is about 2mm) that has spiral-shaped dividing plate 14 (thickness is about 2mm) and be positioned at the outside of this dividing plate 14.Spiral-shaped, according to following formula 1,2, be that spreading coefficient m is 2 and spiral-shaped angular range is the function curve of u=1～3.25 o'clock.The material of a pair of cover member 12,13 has used acrylic resin, and injection moulding is for roughly foursquare tabular.In addition, earphone installation portion 3,3 has used ABS resin, and the sound hole diameter is φ 7mm, and injection moulding is a form shown in Figure 7.
Clip a pair of cover member 12,13 from the both sides of the main component 11 produced, with after the auxiliary section of cover member 12,13 cooperates, both are engaged the auxiliary section of main component 11 with supersonic welder.Also have, after on the mounting hole 6 of cover member earphone installation portion 3 being installed, with supersonic welder both are engaged, construction drawing 1～sound intensifier of the present invention shown in Figure 5.The sound intensifier of producing 1, when vertical view 2, above-below direction is about 80mm, and left and right directions is about 80mm; When attached view 3, Width is about 25mm, and its weight is about 60g.
Evaluating characteristics
Use the sound intensifier of embodiment 1, on this a pair of earphone installation portion, the pair of right and left earphone is installed respectively.The connector (plug) of earphone system is connected on the receiver amplifier, and from the signal of this receiver amplifier to earphone input 15mW, and the sound after will change imports to sound intensifier 1 from earphone, from the peristome 5 generation sound of sound intensifier 1.The sound that produces is measured its frequency characteristic with measuring with microphone, and the acoustic pressure under each frequency (dBSPL) is illustrated on Figure 12.Symbol 200 among Figure 12 is the sound pressure frequency characteristics from the sound of peristome 5 output of the sound intensifier 1 of embodiment 1, is to be placed on the sound pressure frequency characteristic of measuring when there is the position of 10cm in peristome front apart from sound intensifier 1 with measuring with microphone.
On the other hand, the symbol 201 among Figure 12 is the sound pressure frequency characteristics from the sound of single earphone output, is to be placed on the sound pressure frequency characteristic of measuring when there is the position of 10cm in louver front apart from earphone with measuring with microphone.
The sound intensifier 1 of embodiment 1 can fully amplify the sound from earphone to listen this sound in leading sound travel 4.In addition,, when producing with sound intensifier of the present invention, low range can be strengthened, the broadcast frequency band can be enlarged from sound that earphone sends according to result shown in Figure 12.Specifically, as shown in figure 12, in the sound pressure frequency characteristic (symbol 201) of single earphone, acoustic pressure diminishes gradually to the frequency of a side lower than about 3kHz.Be installed on the sound intensifier by the earphone that will have such characteristic, can improve the sound pressure frequency characteristic shown in the symbol 200, can see the effect that acoustic pressure rises in the frequency band from about 100Hz to 5kHz.Especially, at the 600Hz place, the acoustic pressure that has obtained about 24dB (16 times) rises.
Being simply described as follows of symbol in the accompanying drawing:
1: sound intensifier 15c, 15d: each face of outside plate
2: sound intensifier main body 16: the convex auxiliary section
3,3 ': earphone installation portion 17: spatial portion
4: lead sound travel 18: installation portion
4a: the initial end 21,22 of leading sound travel: concavity auxiliary section
4b: the terminal part 31 of leading sound travel: the flange part of earphone installation portion
5: peristome 32: the inner peripheral surface of earphone installation portion
6: mounting hole 33: the pedestal part of earphone installation portion
7: the auxiliary section 34 of mounting hole: the auxiliary section of earphone installation portion
8: otch auxiliary section 35: teat
9: sound hole 36: the concavity auxiliary section
10: earphone 37: sealing
11: main component 38: installation component
12,13: cover member 41: flexible cord
12a, 13a: the surface 100,101,102 of cover member: function curve
12b, 13b: the inside 200,201 of cover member: sound pressure frequency characteristic
14: dividing plate P: the initial point of leading sound travel
15: outside plate S: by leading the imaginary line at sound travel center
15a, 15b: each face of outside plate
Claims (4)
1, a kind of sound intensifier is characterized in that: have: the spiral helicine sound travel of leading, and its space sectional area becomes big gradually from initial end to terminal part; The earphone installation portion is configured on the position that clips this initial end of leading sound travel relatively.
2, sound intensifier according to claim 1 is characterized in that: the described sound travel of leading is formed by the cover member that forms spiral helicine dividing plate, clips this dividing plate from both sides.
3, sound intensifier according to claim 1 and 2 is characterized in that: described earphone installation portion forms with the concave shape corresponding with the external surface shape of the earphone that will install.
4, according to any described sound intensifier of claim 1～3, it is characterized in that: described earphone installation portion is set as removably member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004166583 | 2004-06-04 | ||
| JP2004166583A JP2005348190A (en) | 2004-06-04 | 2004-06-04 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1707608A true CN1707608A (en) | 2005-12-14 |
Family
ID=35500127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100695726A Pending CN1707608A (en) | 2004-06-04 | 2005-05-16 | Sound amplifier |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005348190A (en) |
| KR (1) | KR100576248B1 (en) |
| CN (1) | CN1707608A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102884560A (en) * | 2010-03-09 | 2013-01-16 | Utc消防和保安美国有限公司 | Behind the detector sounder |
| US8810426B1 (en) | 2013-04-28 | 2014-08-19 | Gary Jay Morris | Life safety device with compact circumferential acoustic resonator |
| US9179220B2 (en) | 2012-07-10 | 2015-11-03 | Google Inc. | Life safety device with folded resonant cavity for low frequency alarm tones |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10701479B2 (en) | 2016-01-05 | 2020-06-30 | Novel Acoustics Ltd. | Headphone or earphone device |
| JP6683043B2 (en) * | 2016-07-11 | 2020-04-15 | 株式会社Ｊｖｃケンウッド | earphone |
| CN112954541B (en) * | 2021-04-14 | 2023-09-22 | 深圳市盛佳丽电子有限公司 | Assembling device for earphone speaker face cover |
| US20220337931A1 (en) * | 2021-04-16 | 2022-10-20 | Kingston Technology Corporation | Acoustic chamber and venting systems and methods |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57185287U (en) * | 1981-05-20 | 1982-11-25 | ||
| JPS6438896U (en) * | 1987-09-01 | 1989-03-08 | ||
| JPH02279000A (en) * | 1989-04-19 | 1990-11-15 | Nippon Chemicon Corp | Piezoelectric speaker |
| JP3241082B2 (en) * | 1992-03-13 | 2001-12-25 | アイワ株式会社 | Speaker device with built-in amplifier |
| JP3316711B2 (en) * | 1993-12-27 | 2002-08-19 | カシオ計算機株式会社 | Sound equipment |
| JPH07222284A (en) * | 1994-02-02 | 1995-08-18 | Purimo:Kk | Horn-shaped piezoelectric ceramic speaker |
| JP2000278784A (en) * | 1999-03-23 | 2000-10-06 | Yoshiro Nakamatsu | High efficiency compact speaker |
-
2004
- 2004-06-04 JP JP2004166583A patent/JP2005348190A/en active Pending
-
2005
- 2005-05-16 CN CNA2005100695726A patent/CN1707608A/en active Pending
- 2005-06-03 KR KR1020050047717A patent/KR100576248B1/en not_active IP Right Cessation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102884560A (en) * | 2010-03-09 | 2013-01-16 | Utc消防和保安美国有限公司 | Behind the detector sounder |
| US8757318B2 (en) | 2010-03-09 | 2014-06-24 | Dunstan Walter Runciman | Behind the detector sounder |
| CN102884560B (en) * | 2010-03-09 | 2015-09-23 | Utc消防和保安美国有限公司 | Squealer after detector |
| US9179220B2 (en) | 2012-07-10 | 2015-11-03 | Google Inc. | Life safety device with folded resonant cavity for low frequency alarm tones |
| US9792794B2 (en) | 2012-07-10 | 2017-10-17 | Google Inc. | Life safety device having high acoustic efficiency |
| US8810426B1 (en) | 2013-04-28 | 2014-08-19 | Gary Jay Morris | Life safety device with compact circumferential acoustic resonator |
| US9489807B2 (en) | 2013-04-28 | 2016-11-08 | Google Inc. | Life safety device with compact circumferential acoustic resonator |
| US9552705B2 (en) | 2013-04-28 | 2017-01-24 | Google Inc. | Life safety device with compact circumferential acoustic resonator |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100576248B1 (en) | 2006-05-10 |
| JP2005348190A (en) | 2005-12-15 |
| KR20050074357A (en) | 2005-07-18 |
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Open date: 20051214 |