CN1771762A - Communications headset with isolating in-ear driver - Google Patents
Communications headset with isolating in-ear driver Download PDFInfo
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- CN1771762A CN1771762A CN 200480009622 CN200480009622A CN1771762A CN 1771762 A CN1771762 A CN 1771762A CN 200480009622 CN200480009622 CN 200480009622 CN 200480009622 A CN200480009622 A CN 200480009622A CN 1771762 A CN1771762 A CN 1771762A
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Abstract
The present invention relates to a communications headset. The headset comprises a housing (902) that includes a speaker driver. The headset further comprises a nozzle (9049 for insertion into an ear canal. The nozzle (904) is coupled to the housing (902). The headset additionally comprises an acoustically isolating earpiece (906) coupled to the nozzle (904), the earpiece (906) and the housing (902) providing of acoustic isolation from ambient sound over the range of audible frequencies. The headset further comprises a microphone (9016).
Description
Technical field
The present invention relates to a kind of communications headset, especially relate to a kind of sound insulation earphone that is connected with microphone apparatus with isolating in-ear driver.
Background technology
Produce difficulty through regular meeting when in loud environment, using communication system such as mobile phone.For example, in this environment, the user may not catch the sound that the far-end interviewer is the speaker of the phone other end.Improve signal to noise ratio and make the people of the other end be easier to not hear, understand, improved user's impression, thereby made communication easier.
No matter the background environment noise is to be similar to talk or unsettled noise, for example in party or railway station, still background noise keeps constant, and for example by under automobile, aircraft or the mechanical situations such as noise that cause, such signal to noise ratio improvement is all wanted.
Some users of mobile phone like making a phone call in " hands-free " mode, thus allow the user without his or his hand just can converse and answer.Usually, want the user who carries out this hands-free operation to use the headset that has adopted standard earphone, this earphone can encase user's ear usually or rest the ear top.Regular earphones such as " ear-plug type earphone (earbuds) " is often packed with mobile phone, rests the ear outside.This headset all comprises a microphone usually.
This headset almost can not, if what difference is arranged, block or prevent that background noise from entering in user's the ear.The user of typical headset or ear-plug type earphone must be placed on a hand on his or his the ear or with earphone and more abut against on their ear, blocking undesirable noise, thereby does not hear the dialogue of the other end.Thisly place near the ear way and " hands-free " function of headset to disagree in hand.
In addition, typical headset is worn also uncomfortable, nor can keep being worn on user's head.
Some systems have adopted initiatively noise-canceling system in order to tackle background noise, and this system attempts to increase " noise control " signal to required signal and eliminates undesirable noise.This system is very expensive, and this is because they need extra logical circuit, and neither be effective under the dynamic noise environment.Initiatively the de-noising earphone is bigger and heavy than other earphones usually.This active de-noising process is via the selected frequency of process cancellation of a complexity, but this still can be incorporated into undesirable artificial audio frequency in the synthetic video.In addition, this process is battery-driven, will increase extra battery consumption, and this may be undesirable under all important situation of battery size, weight and consumption.
Therefore, just need a kind of communications headset of cheapness in this area, can effectively block background noise, wear comfortablely, and can effectively be fixed to user's head.
Summary of the invention
Disclosed communication system can satisfy one or more needs described in the prior art.
In first embodiment, provide a kind of communications headset.This headset comprises microphone, loudspeaker drive, is inserted into the nozzle in the duct, the sound insulation earphone that links to each other with this nozzle.This earphone comprises the outer tube that links to each other with the hard tube of interior cylindrical.Described flexible sleeve and ear canal also provide sound insulation.When between sleeve pipe and duct, realizing complete acoustical seal, the sound insulation that 15-25dB is provided that described earphone can be desirable.Microphone links to each other with described system with cable via suspension rod, and this cable is drawn from loudspeaker drive.Described cable provides input signal and provides output signal for microphone for loudspeaker drive.
In one embodiment, described sleeve pipe can comprise compressible closed-cell foam, and it forms to such an extent that the hard tube of duct and interior cylindrical is matched.The hard tube of described interior cylindrical and nozzle friction cooperate, thereby earphone is fixed on the loudspeaker drive.
In other embodiments, described sleeve pipe can comprise form by flexiplast or silicones with match outside of duct and be the inside of columniform pipe.The pipe of this interior cylindrical and nozzle friction cooperate, thereby earphone is fixed on the loudspeaker drive.
Described earphone can adopt different shape and can provide unlimited path for ambient noise.In this embodiment, the sound transmission loss design of not opening wide path is relatively deliberately reduced.
Described communications headset can be bearing on user's the head by earphone separately, does not need extra securing member or bindiny mechanism.
Described suspension rod can be connected on the housing rigidly or hingedly.This suspension rod can be flexibility or rigidity.The flexible cable and the suspension rod of drawing from described housing extend in the same direction, and described device can be worn on left ear or the auris dextra.
In the following drawings and description, narrate the details of these and other embodiment of the present invention that know clearly.Other features and advantages of the present invention will be more apparent according to these explanations, accompanying drawing and claim.
Description of drawings
The present invention is formed by some parts, step and embodiment, and they will obtain describing in detail in following its a part of accompanying drawing of explanation neutralization formation, wherein:
Fig. 1 shows the communications headset according to the embodiment of the invention;
Fig. 2 shows the communications headset that rigidity does not have hinged suspension rod that has according to the embodiment of the invention;
Fig. 3 shows the communications headset with flexible, hinged suspension rod according to the embodiment of the invention;
Fig. 4 shows the communications headset with flexible no hinged suspension rod according to the embodiment of the invention;
Fig. 5 shows the details of the structural member of the embodiment of the invention;
Fig. 6 shows the controller that can comprise in embodiments of the present invention and the detail of structural components of sound volume device;
Fig. 7 shows the detail of structural components of the embodiment of the invention;
Fig. 8 shows the embodiment of Fig. 7;
Fig. 9-12 shows other Headphone devices according to various embodiments of the invention;
Figure 13 and 14 show the embodiment of the invention link to each other with user's ear the part additional detail;
Figure 15 show the embodiment of the invention link to each other with user's ear the part additional detail;
Figure 16 shows the cooperation of the part of the embodiment of the invention and user's duct;
Figure 17 shows another embodiment of the present invention;
Figure 18 shows vertical view embodiment illustrated in fig. 17;
Figure 19 shows end view embodiment illustrated in fig. 17;
Figure 20 shows end-view embodiment illustrated in fig. 17;
Figure 21 shows the embodiment shown in Figure 17 with intersecting plane;
Figure 22 is other view embodiment illustrated in fig. 21.
Embodiment
Fig. 1-4 shows each embodiment according to communications headset of the present invention.Fig. 1 shows the headset 102 according to the embodiment of the invention.This electrophone is worn on user's head, and comprises a microphone 104 that is attached on the suspension rod 106.Article one, flexible cable 108 extends to mobile phone 110 from described device.
Fig. 2 shows the communications headset that rigidity does not have hinged suspension rod 202 that has according to the embodiment of the invention.In this embodiment, cable 204 stretches out from base 206 flexibly and regularly.In this embodiment of the present invention, nozzle 208 and suspension rod 202 must come out from base 206, its geometry is compatible mutually with human anatomy, thereby described suspension rod 202 microphone can be placed close enough user's mouth, and described nozzle 208 can be inserted in user's the duct comfily.
Fig. 3 shows the communications headset with flexible, hinged suspension rod 302 according to the embodiment of the invention.Fig. 4 shows the communications headset with flexible non-hinged suspension rod 402 according to the embodiment of the invention.
Fig. 5 shows the details of one embodiment of the invention.Microphone boom 502 1 ends are connected on preceding microphone casing body 504a and the back microphone casing body 504b.Suspension rod 502 has suitable length, and can be conditioned with the mouth with the close user of microphone with the end.The other end of suspension rod 502 links to each other with suspension rod housing 512.
Be well known in the art, microphone cartridge or element 506 are arranged in the microphone casing body.In this structure, be preferably directional microphone element such as heart, two-way (" de-noising ") or super heart-shaped design, because these microphones can shield undesirable environmental noise.Also can use omnidirectional microphone.
Shell 508 and inner casing 510 form housing.This housing links to each other described suspension rod housing 512 with pleasant driver 520 well known in the prior art, for example, and the pleasant driver of E2C that Illinois (Illinois) dust literary composition stone (Evanston) Shure limited company makes.
Along the direction that is parallel to suspension rod 502, preceding outlet cable 514 extends out from housing 512 and shell 508.Especially, stretch out in described cable 514 flex relief unit 515 from the opening that the antelabium 542 by the antelabium 540 of housing 512 and housing 508 forms.Described cable 514 moulding get and can be bent to different shape to adapt to user's hobby, and in this diagram, described cable 514 is bent upwards, so that extend around the outside of user left side ear.Perhaps, cable 514 can extend downwards after coming out from 508,510 housings that form, and described device then can extend around user's auris dextra.
Described sleeve pipe 534 is compressible, and moulding get the duct that can be fit to the user and with its frictional fit.Described sleeve has enough rigidity, and whole headset assembly can both be supported by the cooperation between earphone and the user's duct, and does not need the extra contacts, accessory or other structures that cooperate with user's external ear.
Concerning cable 514, there is no need to match with user's ear, in ear, support described device.Cable shown in Figure 5 can match with the described device of aiding support with user's left ear.Described cable 514 can also extend also straight downward from housing 510, and discord user's external ear matches.In this case, the frictional fit of earphone 530 in user's duct just is enough to support described device.
Therefore, described pleasant design just can be enough to the headset boom of comfortable support for lightweight, and does not need extra ear's accessory.
In another embodiment, microphone a bit links to each other with cable 514 at the far-end along cable length.As well known, this " neck hanging type " is provided with " ear-plug type " the be similar to existing mobile phone microphone earphone of dangling.
Fig. 6 shows other details of the structural member of the controller that comprises in embodiments of the present invention and sound volume device.Loam cake 602 and lower cover 604 are fixed together.These lids are holding the controller of communications headset, and described controller can be carried out different tasks, for example volume controller 610 and quiet controller 612.Controller 610 is a potentiometer, and controller 612 is a slide switch.Described potentiometer is around thumb wheel 614 rotations.Flexibility release portion 616 and 618 draws from the opening part that is formed by top cover 602 and bottom 604.
Fig. 7 A, 7B, 7C, 7D and 8 show the details of other embodiments of the invention.Pivoting microphone suspension rod 702 comprises the microphone casing body that is formed by preceding microphone casing body 704a and back microphone casing body 704b.In described microphone casing body, be provided with a well-known pick-up head 706.
Shown in Fig. 7 A, microphone leads 708,710 is extended in the body of suspension rod 702.The microphone boom housing comprises outer suspension rod housing 714 and interior suspension rod housing 716.Should accommodate one in order to rotate the bearing of nylon spacer 720, stainless steel Belville packing ring 722 and Philips's cheese head screw 724 by inside and outside suspension rod housing 716,714.Draw preceding outlet cable 730 from described device and cable outlet grommet 732.
The details of silicone ear plug 760 is shown in Fig. 7 c.Silicone ear plug 760 can be cut into different length to adapt to specific user.In one embodiment, the length of earplug 760 is 20mm, and can be cut into 16.5mm, 13mm, 9.5mm and 6mm equal length and be used for different cooperations.
Fig. 9-12 shows the earphone of the various geometries of using among the present invention.The earphone with the part sound insulation of various ventilations bleeds in user's duct some background noises.This leakage can be regulated the hobby of different users to surrounding environment, and can make this system be used for not thinking the environment of complete sound insulation.As shown in these figures, possible design comprises little ventilation hole and around the open channel of outside of sleeve.Various embodiment of the present invention comprises star, propeller shape, " C " shape, kidney shape and shapes such as " T_Starburst (starburst) ".
In addition, various types of foams or plastics can be used for the cannula portion of earphone, open cell low acoustic impedance foam for example, closed cell high acoustic impedance foam, PVC, plastics or silicones.In a preferred embodiment, the foam that uses is closed cell high acoustic impedance foam.This foam has the soundproof effect of 15-25dB.In second preferred embodiment, the cannula portion of earphone is the flexible PVC plastics.This PVC sleeve pipe also has the soundproof effect of 15-25dB.In further embodiments, use the combination of described material, sound insulation can be reduced to required degree, be low to moderate 12dB.
By selecting from these earphone species, the user can personalizedly be fit to the accessory of the pleasant earphone of his or his particular ear, can also determine the degree of required sound insulation.The unique shape of described sleeve pipe and user's ear adapts.In addition, the pleasant accessory of described customization can also be eliminated the pain pressure point that typical ear-plug type headset is produced, and it is longer to allow the user wear time of this headset.
Figure 16 shows the frictional fit of the earphone 886 in the duct 888 of ear 884.The part of housing 880 is shelved on the part of ear, and it is called auricle (ear bowl) by those skilled in the art, and its downside is shown in arrow 882.In Figure 16, earphone 886 is not inserted in user's the duct fully.
Figure 17-22 shows other embodiment of the present invention.As shown in figure 17, the nozzle 904 that the present invention includes housing 902 and draw from housing 902.Earphone 906 links to each other with described housing, and has covered most of view of nozzle 904 shown in Figure 17, and it is similar to the nozzle 522 shown in Fig. 5.Described housing 902 can relative ambient sound provide the soundproof effect of 15dB at least together with earphone 906 in audio range.In a preferred embodiment, housing 902 and earphone 906 can provide the soundproof effect of 15-25dB together.
As shown in figure 18, boom guide 918 vertically forms by the boom axis shown in the chain-dotted line 930 along it.Nozzle 904 vertically forms by the nozzle-axis shown in the chain-dotted line 932 along it.In paper shown in Figure 180, described boom axis and nozzle-axis coplane and with the angle of intersection shown in 936.In Figure 19 and Figure 20, chain-dotted line 950 also shows this plane.In Figure 21 and 22, the rectangle of dotted line is also represented this plane.
With reference to Figure 18, described angle 936 is spent in the scope of 97 degree about 77, about preferably about 87 degree.
Still consult Figure 18, described headset is shelved on the user along a plane, this plane shown in chain-dotted line 940 from extending by quadrature on the plane that paper limited of Figure 18.The plane that is limited by chain-dotted line 940 is further illustrated by the dashed rectangle among Figure 21 962.Especially, described housing 902 is shelved on user's ear and is referred to as on the part of auricle by those skilled in the art.As shown in figure 16, housing 880 is shelved along user's auricle, and its downside is shown in arrow 882, and all these are the part of user's ear 884.In Figure 16, earphone 886 is not inserted in user's the auricle fully.
Referring to Figure 18, in first plane, by chain-dotted line 940 that limited with second plane of first planar quadrature and the nozzle-axis angulation 938 shown in the chain-dotted line 932.Described angle 938 is spent in 43 degree scopes about 23, preferably about 33 degree.
Some features of the geometry of described headset have strengthened the adaptability that it uses at user's left side ear or auris dextra.Especially, nozzle 904, trolley pole assembly 912 and cable 908 extend in the plane shown in the dashed rectangle 960 of the chain-dotted line 950 of Figure 19 and 20 and Figure 21 and 22 in the mode of coplane.In addition, the planar quadrature shown in the dotted line 962 of the described plane shown in the line 960 of Figure 21 and Figure 21.These features can be by sliding into described ear support 918 on the housing 902 simply, described ear support 918 is turned over turnback and it is slided back on the housing 902, thereby allow the user interchangeably headset to be worn on left ear or the auris dextra.As shown in figure 17, ear support 918 comprises opening 954, and ear support 918 can slip over housing 902 and be turned to left ear or the auris dextra operation that is fit to user's hobby like this.
In some accompanying drawing, for example among Figure 21 and 22, illustrate the strain relief portion 910 of described cable, but do not illustrate the remainder of cable 908.With reference to Figure 19, described cable 908 can extend downwardly under the plane that line 950 limited, and shown in 908a, perhaps cable 908 can extend upward from the plane that line 950 is limited, and shown in 908b, depends on user's hobby.
As previously mentioned, it will be clear that when the volume of mobile phone was opened to maximum, sealing sound passage of the present invention can make the output or the far-end interviewer of the headset of mobile phone quiet down.This just can reduce the required volume loudness that the interviewer speaks of not hearing under normal loudness.In addition, compare with most of earphone, duct connects the response that has improved low frequency and medium and low frequency, and this is extremely important to voice communication.The amplified energy that described device needs still less makes design more effective, and extracts energy still less from compact power, i.e. battery consumption still less.
Described sound Insulation Design can also produce the intrinsic noise decay by described sleeve pipe, thereby makes only need very low volume in big acoustic environment.Because the user does not need to improve the sound that volume compensates " leaking outside ", so this just reduces to auditory fatigue and permanent or semipermanent acoustic trauma minimum.This distortion meeting that also means signal still less, wherein this distortion meeting increases with amplitude.
In the communications applications that the present invention also is suitable for need not heard in another ear by the external context sound of earphone decay in an ear.In application such as online gambling, the user utilizes headset to carry out session, and can utilize the unlimited ear of not blocking not hear the sound of recreation on every side simultaneously.The present invention allows the user can not hear sound effect of game, can also improve communication.By the sound effect of game of decaying in an ear, described earphone makes far end talk person clearer, and by using directional microphone element shielding sound effect of game, microphone makes near end talk person clearer.
Other embodiment of the present invention comprise the adjustable environment that electronics injects.This embodiment uses a kind of very little built-in microphone, and by in the ambient sound of part, adding adjustable sound magnitude and pass to user's ear by earphone, thereby can allow the user select the environmental noise/leakage rate of aequum.
The present invention can also comprise two earphone options, is used in the communications applications of wanting complete sound insulation.In this embodiment, earphone is inserted in two ducts.In high noise environments or want to utilize multimedia device etc. to listen when stereo the just such application of needs that sound is safeguarded.
In described two earpiece configuration, the present invention is by utilizing the level difference between the ear signal of the left and right sides, signal differs (～180 degree) or time delay (interaural difference, ITD, less than 100ms), the present invention has realized being presented localization of sound (allow the user feel that sound comes from a direction, rather than come from other directions).This location can be applied in the communications applications to produce a kind of sensation, and promptly the signal of remote speaker comes from the left side from the right side or more more, and still can use two earphones.Anywhere, this can also improve perceived loudness 1.4-2 times of signal, and in fact uses higher signal level in any ear.
Because loud speaker is via the position and the microphone sound insulation of ear canal loudspeaker, so the present invention can reduce the echo between microphone and the earphone.
Perhaps, described pleasant Drive technology can use together with the active noise-canceling system, to be implemented in the very advantage of the following two kinds of systems of harsh conditions.
Described system can also be used in the various wireless applications.For example, described headset can carry out radio communication with the phone headset, and the electronic component that perhaps is used for telephone communication can be arranged in the housing.In such application, just no longer needed the microphone cable of the cable shown in Figure 17 or 18 908 for example etc.
In a word, narrated a kind of communications headset here.Therefore, the present invention is included in the various forms shown in the drawings.Within the scope of the invention, multiple variation all is possible.These variations have constituted a part of the present invention.
Claims (52)
1, a kind of communications headset comprises:
The housing that comprises loudspeaker drive;
Be inserted into the nozzle in the duct, described nozzle links to each other with described housing;
The sound insulation earphone that links to each other with described nozzle, described earphone can relative ambient sound provide the soundproof effect of 15dB at least with described housing in audio range; And
Microphone.
2, communications headset as claimed in claim 1 is characterized in that, described earphone in audio range relatively ambient sound the soundproof effect of 15-25dB is provided.
3, communications headset as claimed in claim 1 is characterized in that, described earphone comprises opening and is suitable for flexible material with ear canal.
4, communications headset as claimed in claim 3 is characterized in that, described opening comprises columniform hard tube, and described flexible material comprises the compressible foam around described pipe.
5, communications headset as claimed in claim 3 is characterized in that, described flexible material is plastics.
6, communications headset as claimed in claim 3 is characterized in that, described flexible material is a silicones.
7, communications headset as claimed in claim 3 further comprises the trolley pole assembly that extends from described housing, it is characterized in that microphone links to each other with described trolley pole assembly.
8, communications headset as claimed in claim 7 is characterized in that, described trolley pole assembly comprises rigid hanger guide and flexible suspension rod.
9, communications headset as claimed in claim 7, it is characterized in that vertical formation first axle of described trolley pole assembly, vertical formation second axis of described nozzle, the wherein first axle and second axes intersect, and in first planar shaped at an angle.
10, communications headset as claimed in claim 9 is characterized in that, described first angle about 77 and about 97 the degree between.
11, communications headset as claimed in claim 9 is characterized in that, described first angle is approximately 87 degree.
12, communications headset as claimed in claim 9 is characterized in that, with second plane of first planar quadrature in, described housing and user's ear matches.
13, communications headset as claimed in claim 12 is characterized in that, described headset can the symmetrical left ear or the auris dextra that are used for the user.
14, communications headset as claimed in claim 12 is characterized in that, described second plane and second axis form one in about 23 second angles of spending between about 43 degree.
15, communications headset as claimed in claim 14 is characterized in that, described second angle approximately is 33 degree.
16, communications headset as claimed in claim 9 further comprises the cable that extends and form the 3rd axis from housing, it is characterized in that first axle, second axis and the 3rd axis coplane.
17, communications headset as claimed in claim 1 further comprises flexible ear support.
18, communications headset as claimed in claim 3 is characterized in that, the described earphone electrophone of will communicating by letter separately is bearing on the user.
19, communications headset as claimed in claim 1 further comprises a cable of drawing from housing, and described cable provides input signal for loudspeaker drive, and provides output signal for microphone.
20, communications headset as claimed in claim 19 is characterized in that, described microphone links to each other with described cable.
21, communications headset as claimed in claim 19 is characterized in that, described cable and described earphone cooperation are to be bearing in the described electrophone of communicating by letter on the user.
22, communications headset as claimed in claim 1 is characterized in that, described microphone is directed.
23, communications headset as claimed in claim 22, wherein, described microphone can be selected from organize down: heart-shaped microphone, bi-directional microphones and super heart-shaped microphone.
24, communications headset as claimed in claim 1 is characterized in that, the sound around at least some is passed described driver by fax.
25, communications headset as claimed in claim 1 is characterized in that, described microphone can described relatively driver signal sound insulation, thereby reduces the echo to the far-end speaker.
26, communications headset as claimed in claim 3 is characterized in that, described flexible material may be molded to following shape: star, kidney bean shape, triangle, T_Starburst, propeller shape and letter C shape.
27, communications headset as claimed in claim 1 is characterized in that, described earphone comprises a plurality of openings and is suitable for flexible material with ear canal.
28, a kind of communications headset comprises:
Vertically form the boom guide of first axle along it;
Be inserted into the nozzle in the duct, described nozzle vertically forms second axis along it and also and from described first axle extends angledly;
The housing that comprises loudspeaker drive, described nozzle links to each other with described housing, and described housing vertically forms the 3rd axis along it, and the first axle and second axis extend from described the 3rd axis angledly;
The sound insulation earphone that links to each other with described nozzle;
Suspension rod from described boom guide extension; And
The shotgun microphone that links to each other with described suspension rod.
29, communications headset as claimed in claim 28 further comprises, the cable that extends along the 3rd axis direction from housing, and described cable provides input signal for loudspeaker drive, and provides output signal for microphone.
30, communications headset as claimed in claim 28 is characterized in that, described suspension rod is a rigidity.
31, communications headset as claimed in claim 30 is characterized in that, the described suspension rod of part is a rigidity, and part described suspension rod is flexible.
32, communications headset as claimed in claim 28 is characterized in that, described first axle and described second axis form first plane, and described first axle and described second axes intersect also form first angle in described first plane.
33, communications headset as claimed in claim 32 is characterized in that, described first angle is spent about 97 degree from about 77.
34, communications headset as claimed in claim 32 is characterized in that, described first angle is approximately 87 degree.
35, communications headset as claimed in claim 32 is characterized in that, with second plane of described first planar quadrature in, described housing and user's ear matches.
36, communications headset as claimed in claim 35 is characterized in that, described headset is applied symmetrically to user's left ear or auris dextra.
37, communications headset as claimed in claim 35 is characterized in that, described second plane and described second axis form one in about 23 second angles of spending between about 43 degree.
38, communications headset as claimed in claim 37 is characterized in that, about 33 degree of described second angle.
39, communications headset as claimed in claim 28 further comprises the cable that extends and form the 3rd axis from described housing, it is characterized in that first axle, second axis and the 3rd axis coplane.
40, communications headset as claimed in claim 28 is characterized in that, described earphone comprises opening and is suitable for flexible material with ear canal.
41, communications headset as claimed in claim 40 is characterized in that, described flexible material is plastics.
42, communications headset as claimed in claim 40 is characterized in that, described flexible material is a silicones.
43, communications headset as claimed in claim 40 is characterized in that, described opening comprises columniform hard tube, and described flexible material comprises the compressible foam around described pipe.
43, communications headset as claimed in claim 28 is characterized in that, described earphone can relative ambient sound provide the soundproof effect of 15dB at least with described housing in audio range.
44, communications headset as claimed in claim 43 is characterized in that, described earphone in audio range relatively ambient sound provide 15 to the soundproof effect of 25dB.
45, communications headset as claimed in claim 28 further comprises flexible ear support.
46, communications headset as claimed in claim 28 is characterized in that, the described earphone electrophone of will communicating by letter separately is bearing on the user.
47, communications headset as claimed in claim 28 is characterized in that, the sound around at least some is passed described driver by fax.
48, communications headset as claimed in claim 28 is characterized in that, described microphone can described relatively driver signal sound insulation, thereby reduces the echo to the far-end speaker.
49, a kind of communications headset comprises:
First housing that is used for first ear, described first housing comprises first loudspeaker drive;
Second housing that is used for second ear, described second housing comprises second loudspeaker drive;
Be inserted into first nozzle in described first duct, described first nozzle links to each other with described first housing;
Be inserted into second nozzle in described second duct, described second nozzle links to each other with described second housing;
The first sound insulation earphone that links to each other with described first nozzle, described first earphone can relative ambient sound provide the soundproof effect of 15dB at least with described housing in audio range;
The second sound insulation earphone that links to each other with described second nozzle, described second earphone can relative ambient sound provide the soundproof effect of 15dB at least with described second housing in audio range; And
Microphone.
50, communications headset as claimed in claim 49, further comprise positioner, the secondary signal that arrives first signal of described first loudspeaker drive and arrive described second loudspeaker drive in order to operation to be to produce a kind of sensation, and promptly sound is from many from another direction recently of a direction.
51, communications headset as claimed in claim 50 is characterized in that, described positioner comprises one of the following step at least: processing horizontal difference, processing differs, and handles interaural difference.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45181003P | 2003-03-03 | 2003-03-03 | |
| US60/451,810 | 2003-03-03 | ||
| US10/791,011 | 2004-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1771762A true CN1771762A (en) | 2006-05-10 |
Family
ID=36751992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480009622 Pending CN1771762A (en) | 2003-03-03 | 2004-03-03 | Communications headset with isolating in-ear driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1771762A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101933340A (en) * | 2007-12-14 | 2010-12-29 | 森海塞尔电子股份有限及两合公司 | In-ear headphone and headset |
| CN102986245A (en) * | 2010-07-09 | 2013-03-20 | 舒尔·阿奎西什控股公司 | Earphone assembly |
| CN102177730B (en) * | 2008-10-09 | 2014-07-09 | 峰力公司 | System for picking-up a user's voice |
| CN105580387A (en) * | 2013-09-27 | 2016-05-11 | 3M创新有限公司 | Microphone having closed cell foam body |
-
2004
- 2004-03-03 CN CN 200480009622 patent/CN1771762A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101933340A (en) * | 2007-12-14 | 2010-12-29 | 森海塞尔电子股份有限及两合公司 | In-ear headphone and headset |
| CN102177730B (en) * | 2008-10-09 | 2014-07-09 | 峰力公司 | System for picking-up a user's voice |
| CN102986245A (en) * | 2010-07-09 | 2013-03-20 | 舒尔·阿奎西什控股公司 | Earphone assembly |
| CN102986245B (en) * | 2010-07-09 | 2016-06-01 | 舒尔电子(苏州)有限公司 | Headset assembly |
| CN105580387A (en) * | 2013-09-27 | 2016-05-11 | 3M创新有限公司 | Microphone having closed cell foam body |
| CN105580387B (en) * | 2013-09-27 | 2019-01-18 | 3M创新有限公司 | Microphone with closed-cell foam main body |
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Open date: 20060510 |