CN201577178U - An earphone with passive sound effect adjustment function - Google Patents
An earphone with passive sound effect adjustment function Download PDFInfo
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- CN201577178U CN201577178U CN2009202644987U CN200920264498U CN201577178U CN 201577178 U CN201577178 U CN 201577178U CN 2009202644987 U CN2009202644987 U CN 2009202644987U CN 200920264498 U CN200920264498 U CN 200920264498U CN 201577178 U CN201577178 U CN 201577178U
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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Abstract
The utility model discloses an earphone with passive audio regulatory function, including earphone body and effect regulating unit, wherein, the effect regulating unit is passive audio regulating unit, passive audio regulating unit includes passive audio regulating circuit perhaps passive audio regulating circuit and holding passive audio regulating circuit's shell. The passive sound effect regulating circuit is any one or any combination of a passive tone regulating circuit, a passive tone regulating circuit or a passive audio regulating circuit. Compared with the prior art, the utility model, combine passive audio effect regulating circuit and ordinary earphone together, as a customization design, let the user can be based on oneself hobby and adjust the audio of sound to reach the effect of satisfied listening sense. Because this passive audio effect regulating circuit need not external power supply, consequently, have occupation space little, the suitability is strong, portable, and convenient to use, be convenient for market's application and popularization advantage.
Description
Technical field
The utility model relates to the audio product technical field, particularly relates to a kind of earphone with passive audio regulatory function.
Background technology
Earphone plays a part very important in people's actual life as the carrier of audition.
Earphone of the prior art mainly comprises following two classes to the electrical adjustment of sound: a class is that the volume of sound is regulated, and this regulative mode can only be regulated the volume of sound, and can't regulate the audio of sound.The so-called audio of regulating sound comprises to be regulated and the audio frequency adjusting tone adjusting, the tone color of sound.
At present, people meet the audition custom of oneself more in order to make the sound that sends, and have proposed the second class mode of earphone to the electrical adjustment of sound, promptly the audio of sound are regulated.
The mode that changes the audio of sound in the prior art has two kinds: a kind of user of being reaches the effect of wanting by the output of regulating player.In addition, also has a kind of USB earphone at present on the market, this USB earphone is provided with the USB line traffic control, this USB line traffic control has the function of sound card, therefore, the user can regulate the audio of sound by the USB line traffic control, yet the principle of this regulative mode to the USB line traffic control is identical with the above-mentioned mode that the output of player is regulated; Another kind is to be equipped with the audio regulating circuit on earphone, but this audio regulating circuit need have corresponding active circuit to be complementary with it simultaneously, that is to say that it is to need external power supply that this audio is regulated, make the earphone of this structure take up room more thus, not portable, and be not easy to the popularization and the application in market.In addition, the structure of this audio regulating circuit is also comparatively complicated.
Therefore, needing badly provides a kind of dispense with outer connecting power, simple in structure, be easy to carry, and is beneficial to the earphone with passive audio regulatory function of the popularization and the application in market.
The utility model content
The purpose of this utility model is to avoid weak point of the prior art and a kind of dispense with outer connecting power is provided, and is simple in structure, be easy to carry, and is beneficial to the earphone with passive audio regulatory function of the popularization and the application in market.
The purpose of this utility model realizes by following technical measures:
A kind of earphone with passive audio regulatory function is provided, comprises earphone body and audio regulon, described earphone body and described audio regulon are electrically connected, wherein,
Described audio regulon is passive audio regulon,
Described passive audio regulon comprises the shell of passive audio regulating circuit or described passive audio regulating circuit and ccontaining described passive audio regulating circuit.In addition, described passive audio regulon can be used as independent product and is used on the earphone.
Preferably,
Above-mentioned passive audio regulating circuit is the combination in any of any one or they in three kinds of passive tone circuit or passive timbre-control circuit or the passive audio frequency regulating circuits.Be that described passive audio regulating circuit is passive tone circuit or passive timbre-control circuit or passive audio frequency regulating circuit or passive tone circuit and passive timbre-control circuit or passive tone circuit and passive audio frequency regulating circuit or passive timbre-control circuit and passive audio frequency regulating circuit or passive tone circuit and passive timbre-control circuit and passive audio frequency regulating circuit.
Another is preferred,
Above-mentioned passive audio regulating circuit is passive tone circuit,
Described passive tone circuit comprises bass regulating circuit, high pitch regulating circuit and middle pitch control circuit, described bass regulating circuit input, described high pitch regulating circuit input and described middle pitch control circuit input are connected with the positive pole of audio signal input end respectively, described bass regulating circuit output, described high pitch regulating circuit output and described middle pitch control circuit output are connected with the negative pole of audio signal input end respectively
The positive pole of described audio signal input end is connected with the positive pole of audio signal output end, and the negative pole of described audio signal input end is connected with the negative pole of audio signal output end,
The positive pole of described audio signal output end is connected with the loudspeaker of the negative pole of described audio signal output end with described earphone body.
It is preferred,
Above-mentioned bass regulating circuit comprises low pass control circuit and bass adjuster VR4, described low pass control circuit comprises resistance R 2 and inductance L 3, the positive pole of described audio signal input end is connected with R2 one end, the R2 other end is connected with L3 one end, the L3 other end is connected with VR4 one end, the VR4 other end is connected with the negative pole of described audio signal input end
Described high pitch regulating circuit comprises high pass control circuit and high pitch regulator VR3, described high pass control circuit comprises resistance R 1 and capacitor C 3, the positive pole of described audio signal input end is connected with R1 one end, the R1 other end is connected with C3 one end, the C3 other end is connected with VR3 one end, the VR3 other end is connected with the negative pole of described audio signal input end
Logical control circuit and signal attenuation controlling resistance R3 during described middle pitch control circuit comprises, logical control circuit comprises inductance L 4 and capacitor C 4 in described, the positive pole of described audio signal input end is connected with L4 one end, the L4 other end is connected with C4 one end, the C4 other end is connected with R3 one end, and the R3 other end is connected with the negative pole of described audio signal input end.
Another is preferred,
Above-mentioned earphone body is monolateral double horn earphone, and described monolateral double horn earphone comprises alt loudspeaker and bass horn,
Described passive audio regulating circuit is passive audio frequency regulating circuit,
Described passive audio frequency regulating circuit comprises frequency dividing circuit, bass adjuster VR2 and alt adjuster VR1,
Described frequency dividing circuit comprises bass frequency dividing circuit and alt frequency dividing circuit, described bass frequency dividing circuit comprises inductance L 2 and capacitor C 2, the positive pole of audio signal input end is connected with L2 one end, the L2 other end is connected with VR2 one end with C2 one end respectively, the C2 other end is connected with the negative pole of audio bass signal output part, the VR2 other end is connected with the positive pole of audio bass signal output part, described alt frequency dividing circuit comprises capacitor C 1 and inductance L 1, the positive pole of described audio signal input end is connected with C1 one end, the C1 other end is connected with VR1 one end with L1 one end respectively, the L1 other end is connected with the negative pole of alt audio signal output end, the VR1 other end is connected with the positive pole of alt audio signal output end
The negative pole of the positive pole of described audio bass signal output part and described audio bass signal output part is connected with described bass horn, the negative pole of the positive pole of described alt audio signal output end and described alt audio signal output end is connected with described alt loudspeaker
The negative pole of audio signal input end is connected with the negative pole of described audio bass signal output part and the negative pole of described alt audio signal output end.
Another is preferred,
Described earphone body is monolateral double horn earphone, and described monolateral double horn earphone comprises alt loudspeaker and bass horn,
Described passive audio regulating circuit is passive audio frequency regulating circuit,
Described passive audio frequency regulating circuit is passive bass regulating circuit,
Described passive bass regulating circuit comprises frequency dividing circuit, bass gain control circuit, alt damping resistance R4 and volume adjuster VR5, described frequency dividing circuit comprises bass frequency dividing circuit and alt frequency dividing circuit, described bass frequency dividing circuit comprises inductance L 6 and capacitor C 6, described alt frequency dividing circuit comprises capacitor C 5 and inductance L 5, described bass gain control circuit comprises bass adjuster VR6 and gain controlling resistance R 5
The positive pole of audio signal input end is connected with VR5 one end, the VR5 other end is connected with L6 one end with C5 one end respectively, the C5 other end is connected with L5 one end with the positive pole of the output of alt audio signal respectively, the L5 other end is connected with R4 one end with the negative pole of audio signal input end respectively, the R4 other end is connected with the negative pole of alt audio signal output end, the L6 other end is connected with C6 one end with the positive pole of audio bass signal output part respectively, the C6 other end respectively with the negative pole and R5 one end of described audio signal input end, VR6 one end connects, the R5 other end, the VR6 other end is connected with the negative pole of audio bass signal output part respectively
The negative pole of the positive pole of described audio bass signal output part and described audio bass signal output part is connected with described bass horn, and the negative pole of the positive pole of described alt audio signal output end and described alt audio signal output end is connected with described alt loudspeaker.
Earphone with passive audio regulatory function of the present utility model compared with prior art, passive audio regulating circuit and common headphones are combined, as a customization design, allow the user regulate the audio of sound, thereby reach the effect of the sense of hearing of oneself being satisfied with according to oneself hobby.Because this passive audio regulating circuit dispense with outer connecting power, therefore, have and take up room for a short time, applicability is strong, be easy to carry, and advantages such as application easy to use, as to be convenient to market and popularization.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is a kind of structural representation with earphone of passive audio regulatory function of the present utility model;
Fig. 2 is the passive tone circuit schematic diagram among Fig. 1;
Fig. 3 is a kind of another kind of structural representation with earphone of passive audio regulatory function of the present utility model;
Fig. 4 is the passive audio frequency regulating circuit schematic diagram among Fig. 3;
Fig. 5 is a kind of another kind of structural representation with earphone of passive audio regulatory function of the present utility model;
Fig. 6 is the passive bass regulating circuit schematic diagram among Fig. 5.
Comprise among Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6:
1---the earphone body, 2---passive audio regulon, 3---shell, 4---input equipment, 5---frequency dividing circuit, 6---the bass frequency dividing circuit, 7---the alt frequency dividing circuit, 8---the low pass control circuit, 9---the high pass control circuit, 10---in logical control circuit, 11---the bass regulating circuit, 12---the high pitch regulating circuit, 13---the middle pitch control circuit, 14---frequency dividing circuit, 15---the bass gain control circuit, 16---the bass frequency dividing circuit, 17---the alt frequency dividing circuit.
Embodiment
With the following Examples the utility model is further described.
The embodiment of a kind of earphone with passive audio regulatory function of the present utility model comprises earphone body 1 and audio regulon as depicted in figs. 1 and 2, and described earphone body 1 and described audio regulon are electrically connected, wherein,
Described audio regulon is passive audio regulon 2,
Described passive audio regulon 2 comprises the shell 3 of passive audio regulating circuit or described passive audio regulating circuit and ccontaining described passive audio regulating circuit.
Concrete, above-mentioned passive audio regulating circuit is the combination in any of any one or they in three kinds of passive tone circuit or passive timbre-control circuit or the passive audio frequency regulating circuits.Be that described passive audio regulating circuit is following seven kinds of circuit: passive tone circuit or passive timbre-control circuit or passive audio frequency regulating circuit or passive tone circuit and passive timbre-control circuit or passive tone circuit and passive audio frequency regulating circuit or passive timbre-control circuit and passive audio frequency regulating circuit or passive tone circuit and passive timbre-control circuit and passive audio frequency regulating circuit.
More specifically, above-mentioned passive audio regulating circuit is passive tone circuit, described passive tone circuit comprises bass regulating circuit 11, high pitch regulating circuit 12 and middle pitch control circuit 13, described bass regulating circuit 11 inputs, described high pitch regulating circuit 12 inputs are connected with the positive pole of audio signal input end respectively with described middle pitch control circuit 13 inputs, described bass regulating circuit 11 outputs, described high pitch regulating circuit 12 outputs are connected with the negative pole of audio signal input end respectively with described middle pitch control circuit 13 outputs
The positive pole of described audio signal input end is connected with the positive pole of audio signal output end, and the negative pole of described audio signal input end is connected with the negative pole of audio signal output end,
The positive pole of described audio signal output end is connected with the loudspeaker of the negative pole of described audio signal output end with described earphone body 1.
Further, above-mentioned bass regulating circuit 11 comprises low pass control circuit 8 and bass adjuster VR4, described low pass control circuit 8 comprises resistance R 2 and inductance L 3, the positive pole of described audio signal input end is connected with R2 one end, the R2 other end is connected with L3 one end, the L3 other end is connected with VR4 one end, and the VR4 other end is connected with the negative pole of described audio signal input end
Described high pitch regulating circuit 12 comprises high pass control circuit 9 and high pitch regulator VR3, described high pass control circuit 9 comprises resistance R 1 and capacitor C 3, the positive pole of described audio signal input end is connected with R1 one end, the R1 other end is connected with C3 one end, the C3 other end is connected with VR3 one end, the VR3 other end is connected with the negative pole of described audio signal input end
The principle analysis of described passive tone circuit: logical control circuit 10 is used for defining the bandwidth of middle pitch frequency in the middle pitch control circuit 13, and with this as reference signal, and the attenuation amplitude of reference signal is determined by signal attenuation controlling resistance R3, has determined the insertion loss of this passive tone circuit simultaneously.Reference signal and attenuation amplitude that bass regulating circuit 11 is determined according to middle pitch control circuit 13, regulate the bass gain by bass adjuster VR4, wherein, inductance L 3 in the low pass control circuit 8 is used for defining the low frequency bandwidth, resistance R 2 defines the minimum of bass gain, and its highest-gain is decided by above-mentioned middle pitch control circuit 13 determined attenuation amplitudes.In like manner, reference signal and attenuation amplitude that high pitch regulating circuit 12 is determined according to middle pitch control circuit 13, regulate the high pitch gain by high pitch regulator VR3, wherein, capacitor C 3 in the high pass control circuit 9 is used for defining high frequency bandwidth, the minimum of resistance R 1 definition high pitch gain, and its highest-gain is decided by the attenuation amplitude that above-mentioned middle pitch control circuit 13 is determined.The attenuation amplitude of entire circuit signal can just have been realized a low-loss passive tone circuit by the parameter of adjustment R3 and the parameter of other respective element by signal attenuation controlling resistance R3 control.This passive tone circuit has overcome existing tone circuit and has inserted the big shortcoming of loss, and circuit structure is simple, practical simultaneously.
In addition, above-mentioned passive audio regulon 2 also includes input equipment 4.
Passive audio regulating circuit of the present utility model is installed on the common headphones or as an independent product as parts and is used on the common headphones, and it also can be used for sound equipment or other audio product as independent product.The utility model can be widely used in all kinds of earphones and sound equipment on the market, such as: all kinds of earplugs, In-Ear Headphones, headphone, rear mounted earphone and portable audio etc.
The embodiment of a kind of earphone with passive audio regulatory function of the present utility model comprises earphone body 1 and audio regulon as shown in Figure 3 and Figure 4, and described earphone body 1 and described audio regulon are electrically connected, wherein,
Described audio regulon is passive audio regulon 2,
Described passive audio regulon 2 comprises the shell 3 of passive audio regulating circuit or described passive audio regulating circuit and ccontaining described passive audio regulating circuit.
Concrete, above-mentioned passive audio regulating circuit is the combination in any of any one or they in three kinds of passive tone circuit or passive timbre-control circuit or the passive audio frequency regulating circuits.Be that described passive audio regulating circuit is following six kinds of circuit: passive tone circuit or passive timbre-control circuit or passive audio frequency regulating circuit or passive tone circuit and passive timbre-control circuit or passive tone circuit and passive audio frequency regulating circuit or passive timbre-control circuit and passive audio frequency regulating circuit or passive tone circuit and passive timbre-control circuit and passive audio frequency regulating circuit.
More specifically, above-mentioned earphone body 1 is monolateral double horn earphone, described monolateral double horn earphone comprises alt loudspeaker and bass horn, described passive audio regulating circuit is passive audio frequency regulating circuit, as shown in Figure 4, described passive audio frequency regulating circuit comprises frequency dividing circuit 5, bass adjuster VR2 and alt adjuster VR1
Described frequency dividing circuit 5 comprises bass frequency dividing circuit 6 and alt frequency dividing circuit 7, described bass frequency dividing circuit 6 comprises inductance L 2 and capacitor C 2, the positive pole of described audio signal input end is connected with L2 one end, the L2 other end is connected with VR2 one end with C2 one end respectively, the C2 other end is connected with the negative pole of audio bass signal output part, the VR2 other end is connected with the positive pole of audio bass signal output part, described alt frequency dividing circuit 7 comprises capacitor C 1 and inductance L 1, the positive pole of described audio signal input end is connected with C1 one end, the C1 other end is connected with VR1 one end with L1 one end respectively, the L1 other end is connected with the negative pole of alt audio signal output end, the VR1 other end is connected with the positive pole of alt audio signal output end
The negative pole of the positive pole of described audio bass signal output part and described audio bass signal output part is connected with described bass horn, the negative pole of the positive pole of described alt audio signal output end and described alt audio signal output end is connected with described alt loudspeaker
The negative pole of audio signal input end is connected with the negative pole of described audio bass signal output part and the negative pole of described alt audio signal output end.
The principle analysis of passive audio frequency regulating circuit: the frequency dividing circuit 5 in the passive audio frequency regulating circuit is typical frequency dividing circuits of using always, comprises low frequency frequency dividing circuit 6 and medium-high frequency frequency dividing circuit 7.Wherein the capacitive reactance of the induction reactance of inductance L 2 and capacitor C 1 has determined the insertion loss of frequency dividing circuit 5, has just determined the insertion loss of described passive audio frequency regulating circuit.Back level at frequency dividing circuit 5 increases bass adjuster VR2 and alt adjuster VR1 respectively, so just realization purpose that bass and alt are regulated respectively.Circuit parameter to existing frequency dividing circuit 5 is adjusted, and newly-increased simultaneously alt adjuster VR1 and two adjusters of bass adjuster VR2 have just been realized low-loss passive audio frequency regulating circuit.
Passive audio regulating circuit of the present utility model is installed on the common headphones or as an independent product as parts and is used on the common headphones, and it also can be used for sound equipment or other audio product as independent product.The utility model can be widely used in all kinds of earphones and sound equipment on the market, such as: all kinds of earplugs, In-Ear Headphones, headphone, rear mounted earphone and portable audio etc.
The embodiment of a kind of earphone with passive audio regulatory function of the present utility model comprises earphone body 1 and audio regulon as shown in Figure 5 and Figure 6, and described earphone body 1 and described audio regulon are electrically connected, wherein,
Described audio regulon is passive audio regulon 2,
Described passive audio regulon 2 comprises the shell 3 of passive audio regulating circuit or described passive audio regulating circuit and ccontaining described passive audio regulating circuit.
Concrete, above-mentioned passive audio regulating circuit is passive tone circuit or passive timbre-control circuit or passive audio frequency regulating circuit or their combination in any.Be that described passive audio regulating circuit is following six kinds of circuit: passive tone circuit or passive timbre-control circuit or passive audio frequency regulating circuit or passive tone circuit and passive timbre-control circuit or passive tone circuit and passive audio frequency regulating circuit or passive timbre-control circuit and passive audio frequency regulating circuit or passive tone circuit and passive timbre-control circuit and passive audio frequency regulating circuit.
More specifically, above-mentioned earphone body 1 is monolateral double horn earphone, described monolateral double horn earphone comprises alt loudspeaker and bass horn, described passive audio regulating circuit is passive audio frequency regulating circuit, described passive audio frequency regulating circuit is passive bass regulating circuit, as shown in Figure 6, described passive bass regulating circuit comprises frequency dividing circuit 14, bass gain control circuit 15, alt damping resistance R4 and volume adjuster VR5, described frequency dividing circuit 14 comprises bass frequency dividing circuit 16 and alt frequency dividing circuit 17, described bass frequency dividing circuit 16 comprises inductance L 6 and capacitor C 6, described alt frequency dividing circuit 17 comprises capacitor C 5 and inductance L 5, described bass gain control circuit 15 comprises bass adjuster VR6 and gain controlling resistance R 5
The positive pole of audio signal input end is connected with VR5 one end, the VR5 other end is connected with L6 one end with C5 one end respectively, the C5 other end is connected with L5 one end with the positive pole of the output of alt audio signal respectively, the L5 other end is connected with R4 one end with the negative pole of audio signal input end respectively, the R4 other end is connected with the negative pole of alt audio signal output end, the L6 other end is connected with C6 one end with the positive pole of audio bass signal output part respectively, the C6 other end respectively with the negative pole and R5 one end of described audio signal input end, VR6 one end connects, the R5 other end, the VR6 other end is connected with the negative pole of audio bass signal output part respectively
The negative pole of the positive pole of described audio bass signal output part and described audio bass signal output part is connected with described bass horn, and the negative pole of the positive pole of described alt audio signal output end and described alt audio signal output end is connected with described alt loudspeaker.
The principle analysis of passive bass regulating circuit: the frequency dividing circuit 14 in the passive bass regulating circuit is typical frequency dividing circuits of using always, comprise bass frequency dividing circuit 16 and alt frequency dividing circuit 17, wherein the capacitive reactance of the induction reactance of inductance L 6 and capacitor C 5 has determined the insertion loss of frequency dividing circuit 14, determined the insertion loss of described passive audio frequency regulating circuit with the impedance of alt damping resistance R4, back level at frequency dividing circuit 14 increases bass gain control circuit 15, so just realize the purpose that bass is regulated, wherein the gain controlling resistance R 5 in the bass gain control circuit 15 has determined the minimum of bass gain, and the peak of its bass gain is determined by alt damping resistance R4.Circuit parameter to existing frequency dividing circuit 14 is adjusted, and newly-increased simultaneously bass gain control circuit 15 and alt damping resistance R4 have just realized low-loss passive bass regulating circuit.
Passive audio regulating circuit of the present utility model is installed on the common headphones or as an independent product as parts and is used on the common headphones, and it also can be used for sound equipment or other audio product as independent product.The utility model can be widely used in all kinds of earphones and sound equipment on the market, such as: all kinds of earplugs, In-Ear Headphones, headphone, rear mounted earphone and portable audio etc.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection range; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (6)
1. the earphone with passive audio regulatory function comprises earphone body and audio regulon, and described earphone body and described audio regulon are electrically connected, and it is characterized in that:
Described audio regulon is passive audio regulon,
Described passive audio regulon comprises the shell of passive audio regulating circuit or described passive audio regulating circuit and ccontaining described passive audio regulating circuit.
2. the earphone with passive audio regulatory function according to claim 1 is characterized in that:
Described passive audio regulating circuit is the combination in any of any one or they in three kinds of passive tone circuit or passive timbre-control circuit or the passive audio frequency regulating circuits.
3. the earphone with passive audio regulatory function according to claim 1 is characterized in that:
Described passive audio regulating circuit is passive tone circuit,
Described passive tone circuit comprises bass regulating circuit, high pitch regulating circuit and middle pitch control circuit, described bass regulating circuit input, described high pitch regulating circuit input and described middle pitch control circuit input are connected with the positive pole of audio signal input end respectively, described bass regulating circuit output, described high pitch regulating circuit output and described middle pitch control circuit output are connected with the negative pole of audio signal input end respectively
The positive pole of described audio signal input end is connected with the positive pole of audio signal output end, and the negative pole of described audio signal input end is connected with the negative pole of audio signal output end,
The positive pole of described audio signal output end is connected with the loudspeaker of the negative pole of described audio signal output end with described earphone body.
4. the earphone with passive audio regulatory function according to claim 3 is characterized in that:
Described bass regulating circuit comprises low pass control circuit and bass adjuster VR4, described low pass control circuit comprises resistance R 2 and inductance L 3, the positive pole of described audio signal input end is connected with R2 one end, the R2 other end is connected with L3 one end, the L3 other end is connected with VR4 one end, the VR4 other end is connected with the negative pole of described audio signal input end
Described high pitch regulating circuit comprises high pass control circuit and high pitch regulator VR3, described high pass control circuit comprises resistance R 1 and capacitor C 3, the positive pole of described audio signal input end is connected with R1 one end, the R1 other end is connected with C3 one end, the C3 other end is connected with VR3 one end, the VR3 other end is connected with the negative pole of described audio signal input end
Logical control circuit and signal attenuation controlling resistance R3 during described middle pitch control circuit comprises, logical control circuit comprises inductance L 4 and capacitor C 4 in described, the positive pole of described audio signal input end is connected with L4 one end, the L4 other end is connected with C4 one end, the C4 other end is connected with R3 one end, and the R3 other end is connected with the negative pole of described audio signal input end.
5. the earphone with passive audio regulatory function according to claim 1 is characterized in that:
Described earphone body is monolateral double horn earphone, and described monolateral double horn earphone comprises alt loudspeaker and bass horn,
Described passive audio regulating circuit is passive audio frequency regulating circuit,
Described passive audio frequency regulating circuit comprises frequency dividing circuit, bass adjuster VR2 and alt adjuster VR1,
Described frequency dividing circuit comprises bass frequency dividing circuit and alt frequency dividing circuit, described bass frequency dividing circuit comprises inductance L 2 and capacitor C 2, the positive pole of audio signal input end is connected with L2 one end, the L2 other end is connected with VR2 one end with C2 one end respectively, the C2 other end is connected with the negative pole of audio bass signal output part, the VR2 other end is connected with the positive pole of audio bass signal output part, described alt frequency dividing circuit comprises capacitor C 1 and inductance L 1, the positive pole of described audio signal input end is connected with C1 one end, the C1 other end is connected with VR1 one end with L1 one end respectively, the L1 other end is connected with the negative pole of alt audio signal output end, the VR1 other end is connected with the positive pole of alt audio signal output end
The negative pole of the positive pole of described audio bass signal output part and described audio bass signal output part is connected with described bass horn, the negative pole of the positive pole of described alt audio signal output end and described alt audio signal output end is connected with described alt loudspeaker
The negative pole of audio signal input end is connected with the negative pole of described audio bass signal output part and the negative pole of described alt audio signal output end.
6. the earphone with passive audio regulatory function according to claim 1 is characterized in that:
Described earphone body is monolateral double horn earphone, and described monolateral double horn earphone comprises alt loudspeaker and bass horn,
Described passive audio regulating circuit is passive audio frequency regulating circuit,
Described passive audio frequency regulating circuit is passive bass regulating circuit,
Described passive bass regulating circuit comprises frequency dividing circuit, bass gain control circuit, alt damping resistance R4 and volume adjuster VR5, described frequency dividing circuit comprises bass frequency dividing circuit and alt frequency dividing circuit, described bass frequency dividing circuit comprises inductance L 6 and capacitor C 6, described alt frequency dividing circuit comprises capacitor C 5 and inductance L 5, described bass gain control circuit comprises bass adjuster VR6 and gain controlling resistance R 5
The positive pole of audio signal input end is connected with VR5 one end, the VR5 other end is connected with L6 one end with C5 one end respectively, the C5 other end is connected with L5 one end with the positive pole of the output of alt audio signal respectively, the L5 other end is connected with R4 one end with the negative pole of audio signal input end respectively, the R4 other end is connected with the negative pole of alt audio signal output end, the L6 other end is connected with C6 one end with the positive pole of audio bass signal output part respectively, the C6 other end respectively with the negative pole and R5 one end of described audio signal input end, VR6 one end connects, the R5 other end, the VR6 other end is connected with the negative pole of audio bass signal output part respectively
The negative pole of the positive pole of described audio bass signal output part and described audio bass signal output part is connected with described bass horn, and the negative pole of the positive pole of described alt audio signal output end and described alt audio signal output end is connected with described alt loudspeaker.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202644987U CN201577178U (en) | 2009-12-10 | 2009-12-10 | An earphone with passive sound effect adjustment function |
| PCT/CN2010/079523 WO2011069439A1 (en) | 2009-12-10 | 2010-12-07 | Earphone with passive sound effect adjustment function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202644987U CN201577178U (en) | 2009-12-10 | 2009-12-10 | An earphone with passive sound effect adjustment function |
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| CN201577178U true CN201577178U (en) | 2010-09-08 |
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| CN2009202644987U Expired - Fee Related CN201577178U (en) | 2009-12-10 | 2009-12-10 | An earphone with passive sound effect adjustment function |
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| WO (1) | WO2011069439A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011069439A1 (en) * | 2009-12-10 | 2011-06-16 | Chen Xiaoli | Earphone with passive sound effect adjustment function |
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| CN110730405A (en) * | 2019-12-02 | 2020-01-24 | 侯富均 | HIFI music earphone of interchangeable frequency division module |
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| GB1330968A (en) * | 1971-12-23 | 1973-09-19 | Gendin G S | Earphones |
| CN100518384C (en) * | 2005-06-29 | 2009-07-22 | 洪涛 | A passive electro-acoustic device and sound playback method thereof |
| US20070281760A1 (en) * | 2006-05-23 | 2007-12-06 | Intermec Ip Corp. | Wireless, batteryless, audio communications device |
| CN201577178U (en) * | 2009-12-10 | 2010-09-08 | 陈小丽 | An earphone with passive sound effect adjustment function |
-
2009
- 2009-12-10 CN CN2009202644987U patent/CN201577178U/en not_active Expired - Fee Related
-
2010
- 2010-12-07 WO PCT/CN2010/079523 patent/WO2011069439A1/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011069439A1 (en) * | 2009-12-10 | 2011-06-16 | Chen Xiaoli | Earphone with passive sound effect adjustment function |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011069439A1 (en) | 2011-06-16 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20121210 |