CN1625189A - Ear-weared sound information phone - Google Patents
Ear-weared sound information phone Download PDFInfo
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- CN1625189A CN1625189A CN 200410091295 CN200410091295A CN1625189A CN 1625189 A CN1625189 A CN 1625189A CN 200410091295 CN200410091295 CN 200410091295 CN 200410091295 A CN200410091295 A CN 200410091295A CN 1625189 A CN1625189 A CN 1625189A
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Abstract
The ear mount type sound information transmission unit is an ear mount type sound information transmission unit provided with a microphone part C worn to a human ear to detect sound vibration delivered to a cartilage of the human ear, and the microphone part C detects sound vibration delivered in a microphone axial direction and also detects sound vibration delivered nearly at a right angle to the microphone axis direction.
Description
Technical field
The present invention relates to utilize the ear-weared sound information phone of the osteoacusis vibration of sound, especially related to the structure of the sound pickup sensor of the osteoacusis sound that is used to detect ear-weared sound information phone.
Background technology
In recent years, along with popularizing of mobile phone and mobile apparatus etc., the variation of these machinery utilizations develops rapidly.The one example, such as: when using mobile phone communication, microphone portion, earphone portion are worn on auricle easily, the user begins by flexible utilization without the ear-weared sound information phone of the miniaturization that hand just can be conversed.
The big uses such as place of noise around of this ear-weared sound information phone.Just because of this, for osteoacusis mode microphone etc. is adopted in the influence that reduces ambient noise, and carried out multiple developing.In ear's Worn type information machine of these compacts, each constitutive requirements is subjected to its shape, weight, the restriction of area etc. is set, and requires high performance simultaneously.
In ear-weared sound information phone in the past, follow the acoustical vibration that the user pronounces and on microphone portion, carried out various designs in order more correctly to detect.One of them example is published on Japanese patent laid-open 9-163476 communique and the Japanese patent laid-open 2000-261875 communique.
In general, people's sound is the vibration along with the air flows that produces on vocal cords and oral cavity, tooth, lip etc.This vibration is penetrated to outside (air transmitted sound) from mouth as the conductance sound, and simultaneously, this vibration is propagated to the vibration of head human body (human body that comprises bone) as passing from generation positions such as vocal cords and oral cavities.The device that the vibration (being called the osteoacusis sound) of propagating this human body is utilized as sound is exactly an osteoacusis acoustic information device.
In the propagation of the osteoacusis sound in this human body, according to the material of bone and meat (tissue beyond the bone), or from the pathway of the propagation that produces the position etc., propagation velocity is different with the loss of propagation of resulting from.Therefore, list detects the osteoacusis sound with the part that detecting sensor is fixed on human body, and when it was reproduced, " containing audio mixing " (コ モ リ sound) heard in the high range decay of osteoacusis sound.In addition, detect, reproduce the sound of propagating osseous part, can be created in high range and hear the problem that has been offset " sharp-pointed sound " (the high い sound of first).
Therefore, osteoacusis sound information device need detect this vibration of sening as an envoy to efficient and with as far as possible similarly vibration (vibration) of the conductance sound that from mouth, sends with similar vibration component.
Like this, when using the ear-weared sound information phone of osteoacusis mode in the past, " containing audio mixing " (the コ モ リ sound) that exists the osteoacusis sound to hear sometimes to differ greatly and the problem of " sharply sound " (the high い sound of first) with the conductance sound that in air, conducts.
Summary of the invention
The present invention is for solving the scheme that such problem proposes, and its purpose is to provide a kind of acoustic information that detects ear's Worn type of osteoacusis sound with high measurement accuracy to pass on device.
Ear-weared sound information phone of the present invention is the ear-weared sound information phone that is worn on people's the ear, detects the microphone portion of the acoustical vibration on the cartilage of the ear that passes to the people, this microphone portion detects and to pass to and roughly meet at right angles the 2nd acoustical vibration of direction of above-mentioned microphone direction of principal axis when axial the 1st acoustical vibration of microphone is passed in detection.
Also have, in the inside of above-mentioned microphone portion test section is housed, this test section is to make main detection side to supported between main part axle and microphone axle and with the state that tilts.Above-mentioned test section is preferably supported to become 30 degree to spend to 60 with the axial angle of above-mentioned microphone with above-mentioned main detection side.In addition, above-mentioned test section with above-mentioned main detection side to the axial angle of above-mentioned microphone roughly become 40 the degree to 50 the degree supported.
Have, above-mentioned microphone portion can move at above-mentioned microphone direction of principal axis and with respect to roughly meet at right angles this both direction of direction of above-mentioned microphone direction of principal axis again.Preferably, above-mentioned microphone portion has the maintenance shank that is used to be installed on the main part, and this keeps shank by the clamping of gel member, utilizes the elasticity of this gel member movably to remain in the aforementioned body portion.In addition, above-mentioned gel member is the 1st a gel member by the below of the above-mentioned maintenance shank of clamping; The 2nd gel member of the top of, clamping above-mentioned maintenance shank lower than the 1st gel member rigidity is formed.
Preferably, above-mentioned the 1st acoustical vibration is the acoustical vibration that conducts to the microphone direction of principal axis near the external auditory meatus of above-mentioned ear; Above-mentioned the 2nd acoustical vibration is to respect to the above-mentioned microphone direction of principal axis acoustical vibration of right angle orientation conduction slightly roughly from the auricle of above-mentioned ear.
In addition, ear-weared sound information phone of the present invention also possesses the earphone portion of output sound wave.
In this structure, be tilted the test section that is supporting can detect pass to the microphone direction of principal axis, with microphone direction of principal axis the 1st and the 2nd acoustical vibration of rectangular direction roughly.Therefore, can detect the osteoacusis sound, and make detected osteoacusis sound, thereby can detect the few osteoacusis sound of inharmonious sense of similar conductance sound near the conductance sound with high measurement accuracy.
On the other hand, ear-weared sound information phone of the present invention is the ear-weared sound information phone that possesses main part and microphone portion, wherein, microphone portion from this main part outstanding and establish, test section is equipped with in inside, in order to detect the cartilage acoustical vibration that under the state of the ear that is worn on the people, passes to above-mentioned ear, it is supported with the state that tilts, so that the main detection side who makes this test section is to being in by the main part axle and protruding in the main part of microphone portion and the space of the axle defined established.
And above-mentioned microphone portion has the above-mentioned maintenance shank that is used to be installed on the main part, is loaded on the gel member clamping of aforementioned body portion and utilizes the elasticity of this gel member movably to remain in the aforementioned body portion in this maintenance shank quilt.Above-mentioned gel member is preferably by the 1st gel member of the below of the above-mentioned maintenance shank of clamping; The 2nd gel member of the top of, clamping above-mentioned maintenance shank lower than the 1st gel member rigidity is formed, above-mentioned maintenance shank utilizes the rigidity of the 1st and the 2nd gel member, to be the center, can be maintained at rotationally in the aforementioned body portion by the part of above-mentioned the 1st gel member clamping.
In this structure, the test section that is tilted support can detect and pass to the main part direction of principal axis and be somebody's turn to do outstanding and axial acoustical vibration that establish.Therefore, can detect the osteoacusis sound, and make detected osteoacusis sound, thereby can detect the few osteoacusis sound of inharmonious sense of similar conductance sound near the conductance sound with high measurement accuracy.
Have, on the other hand, ear-weared sound information phone of the present invention is the microphone portion of acoustical vibration that possesses on the ear that is worn on the people, detects the cartilage of the ear that passes to the people again; The ear-weared sound information phone of the earphone portion of output sound wave;
This microphone portion detects the acoustical vibration that nearby the external auditory meatus direction is conducted from the external auditory meatus of above-mentioned ear.
Adopt the present invention, the ear-weared sound information phone that detects the osteoacusis sound with high measurement accuracy can be provided.
Ear-weared sound information phone of the present invention is the device with the pickup structure that can detect from low range frequency to high range osteoacusis sound frequently.Therefore, ear-weared sound information phone of the present invention is to open up multi-purpose machine, such as, by mobile phone or mobile apparatus and its wireless connections, even sound clearly also can be carried to the other side in the big place of noise around, carry out good conversation.
Description of drawings
Fig. 1 is a stereogram of showing the outward appearance of ear-weared sound information phone of the present invention.
Fig. 2 is a skiagraph of showing the central portion of ear-weared sound information phone of the present invention.
Fig. 3 is the figure that shows the state of wearing of ear-weared sound information phone of the present invention.
Fig. 4 is the figure that shows the microphone portion in the ear-weared sound information phone of the present invention.
Fig. 5 is the figure that shows the sound pickup sensor in the ear-weared sound information phone of the present invention.
Fig. 6 is a circuit diagram of showing the circuit structure of the sound pickup sensor in the ear-weared sound information phone of the present invention.
Fig. 7 is a stereogram of showing the title of each one of ear.
Among the figure
A-signal processing circuit board folding and unfolding portion (substrate folding and unfolding portion), B-earphone portion, C-microphone portion, the 1-signal processing circuit board, 2-output line, 3-earphone, the 4-sound guide tube, 5-rear portion gel slab, 6-leading section gel slab, 7-accepts gel section, 8-sound pickup sensor, 9-microphone cover, 9a-keeps shank, 9b-lower end, 9c-lower end, on the 10-microphone gel, under the 11-microphone gel, 12-microphone carriage, the 12a-chest portion, the flange shape portion of 12b-, 13-shell, 14-incoming line, the 15-clamping part, the 16-battery, 17-operation push-button, 18-charging terminal.
Embodiment
Describe being used to implement optimal way of the present invention with reference to the accompanying drawings.
At first, use Fig. 1 diagrammatic illustration ear-weared sound information phone of the present invention.Fig. 1 is the figure that shows the outward appearance of ear-weared sound information phone of the present invention.Below, except the accompanying drawing of the structure of showing ear-weared sound information phone etc., also suitably describe with reference to Fig. 7 of each one of the ear that has shown the people.
In Fig. 1, A is signal circuit board folding and unfolding portion (being designated hereinafter simply as substrate folding and unfolding portion); B is an earphone portion; C is a microphone portion.The substrate folding and unfolding A of portion constitutes the main part of ear-weared sound information phone of the present invention.This substrate folding and unfolding A of portion folding and unfolding has: will amplify signal is sent in the back as electric wave circuit from the signal of telecommunication of microphone portion C; To carry out supplying with after the processing and amplifying earphone from the electric wave that the outside receives and by the circuit of earphone output sound or sound; Battery as power supply; Various operation push-buttons; Charging terminal etc.
The B of earphone portion is the part that the signal of telecommunication of the acoustic information that receives is exported as sound wave.In addition, microphone portion C is the part of folding and unfolding sound pickup sensor, this sound pickup sensor as hereinafter described, under it wears state, the vibrations that selection is derived from sound are transformed into the signal of telecommunication, and this sound is to result from vocal cords, oral cavity and nasal cavity etc. to locate, arrive sound as the auricle 61 (with reference to Fig. 7) of folding and unfolding portion along the bone of palate, head and cartilage, the human body etc.
As shown in Figure 1, in ear-weared sound information phone, in belly one side of the substrate folding and unfolding A of portion, B of earphone portion and microphone portion C highlight.B of earphone portion and microphone portion C also narrate as the back, when in use, are the parts that is inserted into user's auricle 61 (with reference to Fig. 7).Simultaneously, two parts of the B of earphone portion, microphone portion C all have the shape that makes the whole maintenance of machine hang over ear.In addition, the A of substrate folding and unfolding portion is the outside portion that is configured in ear with state that B of earphone portion and microphone portion C are inserted into auricle 61 (with reference to Fig. 7).
Below ear-weared sound information phone of the present invention is elaborated.Below mainly be that structure with regard to the sound pickup sensor of ear-weared sound information phone sound is specifically described.
At first, use Fig. 2 that the structure of ear-weared sound information phone of the present invention is described.Fig. 2 (a) is a sectional drawing of showing the inside formation of ear-weared sound information phone of the present invention.This Fig. 2 (a) be at the central portion slit shearing sectional drawing of ear-weared sound information phone.Fig. 2 (b) is illustrated in Fig. 2 (a) upward with the details drawing of zero part that surrounds, and is near the enlarged drawing of vibration detecting part of showing microphone portion C.In addition, in Fig. 2 (b), direction D represents the microphone direction of principal axis; The main detection side that direction J represents microphone portion C to; Direction E represents the main part direction of principal axis.In addition, these microphone direction of principal axis D, main part direction of principal axis E become microphone portion C length direction, constitute the length direction of the substrate folding and unfolding A of portion of main part.
In Fig. 2, the 1st, signal processing circuit board; The 2nd, output line; The 3rd, earphone; The 4th, sound guide tube; The 5th, the rear portion gel slab; The 6th, the leading section gel slab; The 7th, accept gel section; The 8th, sound pickup sensor; The 9th, the microphone cover; The 10th, on the microphone gel; The 11st, under the microphone gel; The 12nd, the microphone carriage; The 13rd, shell; The 14th, incoming line; The 15th, clamping part.In addition, the 16th, the battery of folding and unfolding in the substrate folding and unfolding A of portion; The 17th, be located at the operation push-button of the side, top of the substrate folding and unfolding A of portion; The 18th, be located at the charging terminal of the bottom of the substrate folding and unfolding A of portion.
Shown in Fig. 2 (a), microphone portion C is with sound pickup sensor 8 folding and unfoldings and remain on 9 li on microphone cover.This microphone cover 9 is outstanding from the shell 13 of the substrate folding and unfolding A of portion.
Microphone portion C is supported on the microphone carriage 12, have be used for that folding and unfolding keep to keep on shank 9a, the microphone gel 10,11 chest portion 12a under the microphone gel.The maintenance shank 9A of this microphone portion C have by on the viscoplasticity member microphone gel 10 and the microphone gel under 11 structures of clamping.In addition, microphone carriage 12 is the peripheries of flange shape 12b of expansion around chest portion 12a, is maintained on the shell 13.This flange shape 12b be section undulate shape in the central.
And microphone carriage 12 is to be made of the reasonable elastomeric material of attenuation characteristic, with its structure and material, has the effect of slowing down from the impact of the various vibrations of the B of earphone portion and the substrate folding and unfolding A of portion conduction and operation vibration etc. etc.11 make microphone portion C keep easily vibration with its viscoelastic characteristic on the microphone gel 10, under the microphone gel.Meanwhile, 11 because of its high attenuation characteristic on the microphone gel 10, under the microphone gel, is difficult to resonate with characteristic frequency.In addition, on these microphone gels 10,11 also play blocking-up, decay under the microphone gel from the effect of shell 13 to the vibration of microphone carriage 12 conduction.
Have, 10 is by constituting than the material that 11 rigidity are low under the microphone gel on the microphone gel again.Therefore, the maintenance shank 9a of microphone portion C is up by 11 firmly fixing under the microphone gel; Up by 10 movably fixing on the microphone gel.Because the leg-supporting 9a of microphone portion C is fixed like this, so, to be the center, can in deciding scope, rotate by 11 fixing parts under the microphone gel.And, microphone portion C be by on the microphone gel 10 and the microphone gel under 11 flexible, can slide, be transportable structure with respect to the microphone direction of principal axis.
Clamping part 15 with from microphone portion C with the tongue-shaped state that stretches out to oblique below, be configured on the microphone portion C.Specifically, this clamping part 15 is to protrude near the boundary portion of substrate folding and unfolding A of portion and microphone portion C to be provided with.This clamping part 15 is made by the elastomeric material of the rubber of hardness 50～80 or soft plastic material etc., can be with the mode elasticity displacement of bending.Clamping part 15 is under the state that is held securely, because clamping part 15 flexibly contacts the edge part of auricle 61, so, can make the user obtain the good sensation of wearing.
Shown in Fig. 2 (b), sound pickup sensor 8 is arranged in the 9 inner folding and unfoldings of microphone cover.Sound pickup sensor 8 is to (being left and right directions on drawing with respect to the microphone direction of principal axis with its main detection side, be direction D) and the right angle orientation of microphone axle (be above-below direction on drawing, the i.e. body shaft direction E) state that approximately becomes 45 degree to tilt supported, fixing.That is: the main detection faces of sound pickup sensor 8 approximately becomes 45 degree at a slant with respect to the right angle orientation of microphone direction of principal axis, microphone axle.In ear-weared sound information phone of the present invention, utilize this structure, sound pickup sensor 8 can detect auricle shown in Figure 7 61 external auditory meatus 62 directions vibration and perpendicular to the vibration of bottom, auricular concha Jie chamber 61.Therefore, utilize a sound pickup sensor 8, just can detect exactly from the vibration that makes progress of cranium direction with mainly from downward these both sides' of vibration of chin direction vibration down.
This microphone portion C has utilized the osteoacusis mode.That is: the sound pickup sensor 8 of folding and unfolding in microphone cover 9 detects the acoustical vibration that is produced, arrived along throat and head auricle 61 (with reference to Fig. 7) by vocal cords etc.Therefore, utilized the essential contact of microphone cover 9 of microphone portion C of osteoacusis mode auricle bottom surface 61a shown in Figure 7 and the skin of the auricle side 61b the external auditory meatus 62 near, and along with the trickle vibration of the skin of this contact site is successfully moved.Therefore, microphone cover 9 pastes very tightly with the skin of auricle 61 shown in Figure 7, and is to be made of the higher material of the moisture retention that rigidity is arranged that does not absorb after the contact from the vibration of skin, such as PP resin or ABS resin.In addition, because microphone cover 9 directly contacts user's skin, so, consider long-time situation about using etc., the essential safe material of selecting.
In the ideograph of Fig. 3, showed the state of wearing of this ear-weared sound information phone.In this Fig. 3, direction P is roughly vertical direction with respect to ground on the machinery utilization posture; Direction Q is roughly horizontal direction with respect to ground on the machinery utilization posture.This direction Q is microphone direction of principal axis D; Direction P is the direction that is approximately perpendicular to microphone direction of principal axis D.In addition, direction P represents the direction roughly same with body direction of principal axis E.
As shown in Figure 3, ear-weared sound information phone of the present invention is to insert the state of auricle 61 (with reference to Fig. 7), to emit sound wave from the front end opening of the B of earphone portion.Auricle bottom surface (bottom) 61a that the lower end 9b of the microphone cover 9 of microphone portion C shows towards Fig. 7, and the leading section 9c of microphone cover 9 contacts with external auditory meatus 62 peristomes of auricle side 61b are neighbouring.In this state, microphone portion C has and detects mainly from the downward vibration of chin direction down with from the structure of the vibration that makes progress of cranium direction.
Clamping part 15 is configured near auricle 61 peripheral portions to wear state, keeps near clamping this peripheral portion.Thus, can realize making the operation of ear-weared sound information phone of the present invention and the stabilisation of wearing.In addition, on clamping part 15, clamping also can be set help strong utensil.Help strong utensil by this clamping, clamping is narrowed down at interval, can further improve the stability of wearing of ear-weared sound information phone.
Like this, utilize the stable ear's Worn type sound of wearing of clamping part 15 to pass on devices, the leading section 9c that can make microphone cover 9 contacts reliably with near external auditory meatus 62 peristomes of auricle side 61b.In addition, by the outstanding amplitude of suitable adjusting microphone portion C, can make this contact condition more firm.
Particularly and since ear-weared sound information phone of the present invention be can wireless telecommunications device, the substrate folding and unfolding A of portion can not reach the below.Therefore, by the stable assembling that clamping part 15 forms, can keep near the contact condition external auditory meatus 62 peristomes with auricle side 61b securely.And, in ear-weared sound information phone of the present invention,,, can keep this contact condition more securely so can not reach the below because the substrate folding and unfolding A of portion weight is lighter.
Then, use Fig. 4 to Fig. 6 concrete and explain the microphone portion C of ear-weared sound information phone of the present invention.This microphone portion C considers the variation of utilization as mentioned above, has adopted the osteoacusis mode.
Shown the microphone cover 9 of microphone portion C among Fig. 4.Fig. 4 (a) is the vertical view of microphone cover 9.Fig. 4 (b) is the sectional drawing of the H-H ' section of exploded view 4 (a).Fig. 4 (c) is the end view of microphone cover 9.
Shown in Fig. 4 (a), microphone cover 9 is to have the structure of being made up of large-diameter portion 31a and minor diameter 31b.The leading section 9c of large-diameter portion 31a is wearing under the state and nearby the contacting of the external auditory meatus 62 of auricle 61 shown in Figure 7.In addition, minor diameter 31b is in the part of wearing external auditory meatus direction one side that is connected large-diameter portion 31a under the state.Continued by integrated by connecting portion 31c between the large-diameter portion 31a of microphone cover 9 and the minor diameter 31b.
In the inner folding and unfolding of the large-diameter portion 31a of microphone cover 9 sound pickup sensor 8 is arranged.Structure about this sound pickup sensor 8 will be described in detail in the back.Keep shank 9a from the base portion of minor diameter 31b mode with approximate vertical, below during towards installation is highlighted configuration, microphone cover 9 is situated between and is embedded into from the outstanding microphone carriage 12 of the shell 13 of the substrate folding and unfolding A of portion by the gel member, just as described above, rotate and be supported on the microphone axle freely and sliding freely.
Shown in Fig. 4 (c), the large-diameter portion bottom surface 31e of large-diameter portion 31a is wearing state contact auricle bottom surface 61a (with reference to Fig. 7), be the trickle vibration of correct detection, direction (from the direction perpendicular to the head side) In the view of along external auditory meatus 62 is formed on the curved surface that auricle bottom surface 61a side has convex.Therefore, the contact area of large-diameter portion bottom surface 31e and auricle bottom surface 61a enlarges, and becomes excellent contact.In addition, the shape of the minor diameter of minor diameter 31b bottom 31f also can be formed with the shape of the curved surface of convex.
Shown in Fig. 4 (c), the inboard 31d of the large-diameter portion of large-diameter portion 31a is wearing state contact auricle bottom surface 61a (with reference to Fig. 7).Therefore, the connecting portion 31c of large-diameter portion 31a and minor diameter 31b smoothly links, and is good with the being adjacent to property of auricle bottom surface 61a.
Utilize this structure, microphone portion C can by on the microphone gel 10, under the microphone gel 11 flexible, move freely in the right angle orientation (at the above-below direction of Fig. 2) of microphone direction of principal axis (at the left and right directions of Fig. 2) and microphone axle.That is: microphone portion C as shown in Figure 3, when it is worn, move freely in following direction: direction (the arrow P direction of auricle bottom surface 61a (with reference to Fig. 7) approximate vertical that contacts with the large-diameter portion bottom 31e of microphone cover 9, be with respect to ground vertical direction roughly on the machinery utilization posture, direction with microphone direction of principal axis approximate vertical), and, near direction (the arrow Q direction of the auricle side 61b approximate vertical external auditory meatus 62 peristomes of the auricle 61 that contacts with the leading section 9c of microphone cover 9, be with respect to the ground general horizontal direction on the machinery utilization posture, the microphone direction of principal axis), with the mobile sound pickup sensor 8 of portion within it that passes to of contact-making surface.
Move by this, microphone portion C becomes: with respect in generations such as vocal cords, oral cavity, nasal cavities, arrive the vibration (the above-mentioned vibration that makes progress) of external auditory meatus 62 directions of the auricle 61 of auricle 61, and perpendicular to the vibration (above-mentioned downward vibration) of external auditory meatus 62 directions of auricle bottom 61, can move freely, become the structure that can accurately detect these vibrations.
In Fig. 5, shown the structure of the sound pickup sensor 8 of microphone portion C.The structure that Fig. 5 (a) shows sound pickup sensor 8 by partly cut-away's sectional drawing, Fig. 5 (b) is I-I ' sectional drawing of Fig. 5 (a).
Shown in Fig. 5 (a), in the minor diameter 31b inside of microphone cover 9, folding and unfolding has the microphone substrate 45 that has assembled FET 44 grades that signal processing uses.This microphone substrate 45 is connected with holding wire 43 by piezoelectric element 42, and in addition, signal processing circuit board 1 and the microphone substrate 45 of the substrate folding and unfolding A of portion are connected, and detection signal is passed to signal processing circuit board 1 in the substrate folding and unfolding A of portion.
It is all that enclosure 41 is covered with the microphone substrate 45 of the major part that assembled sound pickup sensor 8, piezoelectric element 42, FET 44 etc. etc.Therefore, can highly keep " signal is to noise ratio (S/N) ratio " of the voice signal that is sent out.In addition, enclosure 41 is to be made of the material with conductivity and magnetic.
This enclosure 41 is covered by microphone cover 9 simultaneously, protects it to avoid mechanicalness strength from the outside.The support fixation of the piezoelectric element 42 in the relative closure box 41, and relatively microphone cover 9 enclosure 41 be fixed with very high conjugation, can suppress to conduct the decay of the vibration of support fixation portion.
Shown in Fig. 5 (b), sound pickup sensor 8 is arranged in the inside folding and unfolding of the large-diameter portion 31a of microphone cover 9.The piezoelectric element 42 of this sound pickup sensor 8 by folding and unfolding in enclosure.The piezoelectric element folding and unfolding portion of enclosure 41 constitutes with respect to about inclination 45 degree of microphone substrate 45 folding and unfolding portions, and the main detection side who makes above-mentioned sound pickup sensor 8 is to approximately tilt with respect to the microphone direction of principal axis 45 degree, fixed support easily.
Sound pickup sensor 8 is with respect to the length direction of the large-diameter portion 31a of microphone cover 9, the stiff end of powerful at least fixed support piezoelectric element 42, the piezoelectric element 42 in the sound pickup sensor 8 with respect to enclosure 41 only an end folk prescription of its length direction have the beam shape; To strength from the outside, the other end be supported and fixed on can be free movable decide in the scope.Fix by this, 42 pairs of vibrations from the outside of piezoelectric element will be exported to its electrode terminal with the corresponding output of its size.
The main detection side of the piezoelectric element 42 of sound pickup sensor 8 is to the approximately inclination 45 degree supports, fixing of right angle orientation with respect to microphone direction of principal axis and microphone axle.In Fig. 5 (c), the main detection side who has shown this piezoelectric element 42 to.In this Fig. 5 (c), the main detection side of sound pickup sensor 8 is to respect to the microphone direction of principal axis, and angle θ is not limited only to about 45 degree, so long as just can in the scopes of 30 degree～60 degree.And, θ so long as 40 degree～50 degree just just in time.In addition, in Fig. 5 (b) and Fig. 5 (c), the main detection side of piezoelectric element 42 is represented by " direction K " to vertical direction with this main detection side to by " direction J " expression.Utilize this structure, 1 sound pickup sensor 8 can detect the vibration (the above-mentioned vibration that makes progress) of external auditory meatus 62 directions of auricle shown in Figure 7 61 exactly, and the vibration (above-mentioned downward vibration) vertical with auricle 61.
In Fig. 6, the loop that has shown sound pickup sensor 8 constitutes.Though diagram is not come out in Fig. 6, the electrode of the upside of piezoelectric element 42 is situated between by holding wire 43, is connected with the source electrode of FET 44.The electrode of the downside of piezoelectric element 42 is situated between by the grounding pattern of enclosure 41, microphone substrate 45, is connected with the source electrode of FET 44.In addition, signal terminal 45a, the 45b of microphone substrate 45 are to above-mentioned signal processing substrate circuit board conduction.
Utilize this structure, in sound pickup sensor 8, the detected voice signals of piezoelectric element 42 are as delivering letters sound, pass on mobile phone that the sky alignment of device connecting etc. to deliver letters from acoustic information.This mobile phone receives this voice signal, and is situated between by other the means of communication, and the deliver letters signal of telecommunication of sound of expression is sent to communication the other side's telephone device.This signal of delivering letters is received the words that work of going forward side by side through base station, communication network by communication the other side's telephone device.
As mentioned above, in ear-weared sound information phone of the present invention, microphone portion C is with respect to the substrate folding and unfolding A of portion, movably supported.More specifically, because the leg-supporting 9a of microphone portion C is being the center by the part of 11 clampings under the microphone gel, can be fixed rotationally, so not only can move with the rectangular direction of the direction of principal axis of microphone portion C (wearing under the state is above-below direction), and can also move at the direction of principal axis (wearing under the state is the depth direction of external auditory meatus 62) of microphone portion C.
And, sound pickup sensor 8 being housed on microphone portion C, state that this sound pickup sensor 8 tilts to the direction of principal axis with respect to microphone portion C with its main detection side is supported.Like this, not only can detect the acoustical vibration that passes to the rectangular direction of direction of principal axis of microphone portion C, and can detect and pass to its axial acoustical vibration.
Utilize this structure, ear-weared sound information phone of the present invention not only can detect exactly and betide vocal cords, throat, tongue, lower tooth etc., mainly along following chin, cheek etc., arrive the vibration (downward vibration) of auricle, and can detect the top that is positioned at tooth, nasal cavity, soft palate, hard palate etc. mouthful, mainly along the head cranium etc., arrive the vibration (vibration that makes progress) of auricle.Therefore, can improve the accuracy of detection of the osteoacusis sound in the ear-weared sound information phone reliably.Can from these vibrations, detect the few osteoacusis sound of inharmonious sense of similar conductance sound.
Particularly can not detect upwards vibration, when mainly detecting downward vibration, though can not detect the osteoacusis sound of high range,, owing to can detect two such vibrations, can detect the osteoacusis sound to high range from low range.
Like this, adopt the present invention, can realize the ear-weared sound information phone of detection type with the small-sized and easy-operating shape of the mode of the pickup that is fit to osteoacusis sound like the few osteoacusis sound of the inharmonious sense of conductance sound.
In addition, in above-mentioned example,, be not only to be defined in this though only used 1 sound pickup sensor 8, also can constitute by the sound pickup sensor 8 of majority.In this case preferably, 1 sound pickup sensor 8 is mainly and detects vibration upwards, and its main detection side is to being configured to and microphone axle almost parallel; Other sound pickup sensor 8 is mainly and detects downward vibration, and its main detection side is to being configured to and microphone direction of principal axis approximate vertical.
Claims (13)
1. ear-weared sound information phone is the ear-weared sound information phone that is worn on people's the ear, possesses the microphone portion that detects the acoustical vibration on the ear's cartilage that passes to the people,
This microphone portion detects and to pass to and roughly meet at right angles the 2nd acoustical vibration of direction of above-mentioned microphone direction of principal axis when axial the 1st acoustical vibration of microphone is passed in detection.
2. ear-weared sound information phone according to claim 1 is characterized in that: test section is equipped with in the inside in above-mentioned microphone portion,
This test section is supported so that make main detection side to by the space of main part axle and microphone axle defined with heeling condition.
3. ear-weared sound information phone according to claim 2 is characterized in that: above-mentioned test section with above-mentioned main detection side to above-mentioned microphone direction of principal axis roughly become 30 the degree to 60 the degree angles supported.
4. ear-weared sound information phone according to claim 3 is characterized in that: above-mentioned test section with above-mentioned main detection side to above-mentioned microphone direction of principal axis roughly become 40 the degree to 50 the degree angles supported.
5. according to any one described ear-weared sound information phone of claim 1 to 4, it is characterized in that: above-mentioned microphone portion can move at above-mentioned microphone direction of principal axis and with roughly the meet at right angles both direction of direction of above-mentioned microphone direction of principal axis.
6. ear-weared sound information phone according to claim 4, it is characterized in that: above-mentioned microphone portion has the maintenance shank that is used to be installed on the main part, this keeps shank by gel member clamping, and utilizes the elasticity of this gel member movably to remain in the aforementioned body portion.
7. ear-weared sound information phone according to claim 6 is characterized in that: above-mentioned gel member is the 1st a gel member by the below of the above-mentioned maintenance shank of clamping; Than the 1st condense that the member rigidity is low, the 2nd member that condenses of the top of the above-mentioned maintenance shank of clamping forms.
8. according to any one described ear-weared sound information phone in the claim 1 to 7, it is characterized in that: above-mentioned the 1st acoustical vibration is the acoustical vibration that conducts to above-mentioned microphone direction of principal axis near the external auditory meatus of above-mentioned ear; Above-mentioned the 2nd acoustical vibration is to roughly the meet at right angles acoustical vibration of direction conduction of above-mentioned relatively microphone direction of principal axis from the auricle of above-mentioned ear bottom.
9. according to any one described ear-weared sound information phone in the claim 1 to 8, it is characterized in that: the earphone portion that also possesses the output sound wave.
10. ear-weared sound information phone, it is the ear-weared sound information phone that possesses main part and microphone portion, wherein, microphone portion from this main part outstanding and establish, test section is equipped with in inside, detect the acoustical vibration that passes to above-mentioned ear cartilage under the state with the ear that is worn on the people
Its with the state that tilts supported so that the main detection side of this test section to being in by the main part axle and protruding in the main part of microphone portion and the space of the axle defined established.
11. ear-weared sound information phone according to claim 10 is characterized in that: above-mentioned microphone portion has the above-mentioned maintenance shank that is used to be installed in the aforementioned body portion;
Be loaded on the gel member clamping of aforementioned body portion and utilize the elasticity of this gel member movably to remain on aforementioned body portion in this maintenance shank quilt.
12. ear-weared sound information phone according to claim 11 is characterized in that: above-mentioned gel member is the 1st a gel member by the below of the above-mentioned maintenance shank of clamping; The 2nd gel member of the top of, clamping above-mentioned maintenance shank lower than the 1st gel member rigidity is formed;
Above-mentioned maintenance shank utilizes the rigidity of the 1st and the 2nd gel member, to be the center by the part of above-mentioned the 1st gel member clamping, can remain on aforementioned body portion rotationally.
13. an ear-weared sound information phone is the microphone portion that is worn on people's the ear, possesses the acoustical vibration that detects the ear's cartilage that passes to the people; The ear-weared sound information phone of the earphone portion of output sound wave,
This microphone portion detects the acoustical vibration that nearby the external auditory meatus direction is conducted from the external auditory meatus of above-mentioned ear.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003403472 | 2003-12-02 | ||
| JP2003403472A JP2005167596A (en) | 2003-12-02 | 2003-12-02 | Sound information transmission unit of ear mount type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1625189A true CN1625189A (en) | 2005-06-08 |
Family
ID=34726768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410091295 Pending CN1625189A (en) | 2003-12-02 | 2004-12-01 | Ear-weared sound information phone |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005167596A (en) |
| CN (1) | CN1625189A (en) |
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| AU2007341776B2 (en) * | 2007-01-03 | 2011-01-27 | Widex A/S | Component for a hearing aid and a method of making a component for a hearing aid |
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| JP2005167596A (en) | 2005-06-23 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Owner name: NEC TOKIN CORP. Free format text: FORMER OWNER: HITACHI MAXELL Effective date: 20050729 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20050729 Address after: Miyagi Prefecture in Japan Applicant after: NEC Tokin Corp. Address before: Osaka Japan Applicant before: Hitachi Maxell, Ltd. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |