CN203935493U - Head bone-conduction device - Google Patents
Head bone-conduction device Download PDFInfo
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- CN203935493U CN203935493U CN201420066862.XU CN201420066862U CN203935493U CN 203935493 U CN203935493 U CN 203935493U CN 201420066862 U CN201420066862 U CN 201420066862U CN 203935493 U CN203935493 U CN 203935493U
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Abstract
The utility model discloses a kind of bone-conduction device, this bone-conduction device comprises: head fixing device, brain wave detect and connect end, frequency signal produces circuit, audio devices and mixer.Adopt seven independent bone conduction cell operations, at least one bone conduction unit operations, is arranged on head correct position; In the middle of, the audio-frequency information that bone conduction unit receives is transformed into mechanical vibration, and by producing vibration force, vibratory sensation and mechanical vibration with a region of calvarium cortex, can coordinate otica mechanical vibration to transmit audition and input in the lump brain, result generation is listened, i.e. " the 3rd audition " of position sense texts.Frequency signal produces circuit according to eeg signal, produces specific frequency signal and feeds back to mixer, mixes with normal audio, and the audio frequency producing changes the variation do confirmation for the second time that can be asserted E.E.G.
Description
Technical field
This utility model relates to bone-conduction device technology, relates in particular to a kind of head bone-conduction device.
Background technology
For effectively obtaining and the information that maintains is stored in brain, need to effectively call brain function.Acquisition of information, thinking are integrated and are remembered the ability power of the cortical functionals such as access, directly with the network struction between cortex neurocyte and other neurocytes of cortex, have contact closely.Just because the neural thin race network of cortex (cortex or brain cortical layer) is unique elementary cells such as course transmission and memory storage.Therefore, effectively transfer brain basic function and utilization, contribute to focus one's attention in the time of study, strengthen learning effect.
While activating the change of cortex or brain epidermal area active state, the variation of evoked brain potential wave frequency and frequency spectrum then, learns when the brain wave frequency spectrum state while concentrating (be high attention) that optionally detects favourable study occurs.
Alpha wave is more than appearing at baby's early childhood.After growth, human brain generally, with the extraneous things of the leading lower contact of β frequency, takes logic to lay particular stress on left brain operational mode in the majority entirely, and the gradually low pattern that operates of alpha wave.The appearance of alpha wave, represents to bias toward right brain connection pattern.Because human brain is accustomed to the use of the operation of left brain, its mode is applicable to doing to think deeply or exporting the mistake of problem making comparisons, and has its special advantage.Right brain operational mode, has the input advantage of its uniqueness to remember record, as Fast Learning, with new old thing pairing memory style, color, the excellent part of seeking to do others down of the more left brain of the memories such as tone.But the appearance of alpha wave, need understand the mode of operation of conversion brain, if understand selection brain mode of operation, bring into play its peculiar advantage input and output.
The brain wave frequency spectrum that brain occurs in the time of different active state:
1, frequency spectrum 4-7Hz, this frequency spectrum state can be defined as hypnagogic state;
2, frequency spectrum 7-12Hz, this frequency spectrum state can be defined as super learning state, i.e. and alpha wave now learn attention comparatively concentrated, and efficiency is higher;
3, frequency spectrum 13-30Hz, this frequency spectrum state can be defined as logic thinking state, i.e. β brain wave, now spirit is comparatively nervous, but can consume in a large number people's energy, makes people tired fast;
Existing bone conduction learning device, taking bi-telephone or single head-receiver as core component, adds bone conduction device substantially, is used in conjunction with.Some device increases brain wave measuring ability, order about the brain reaction that changes, thereby brain wave is converted into electronic pulse signal by detection, then handles outside computer and regulate and control brain wave by existing audiovisual stimulation mode.
But, existing bone conduction learning device, comparatively complicated, and bone conduction device is easily subject to the interference of the parts such as earphone.
Utility model content
The purpose of this utility model is to provide a kind of bone-conduction device and method, in order to solve existing bone conduction learning device, comparatively complicated, and bone conduction device is easily subject to the interference of the parts such as subsidiary earphone.And existing bone conduction learning device, is difficult to make user to identify the learning state of self.
A kind of bone-conduction device of this utility model, comprising: head fixing device, for supporting bone-conduction device and user's head to fix; At least one bone conduction unit, is arranged on this head fixing device, for the audio-frequency information receiving is converted to mechanical vibration, and by being affixed with a region of user's calvarium cortex, and conduct this mechanical vibration to this region; At least one brain wave detects and connects end, for detection of the eeg signal of user's head; Frequency signal produces circuit, for produce at least one frequency signal of the range of audibility according to this eeg signal; The first audio devices, for providing ordinary audio; Mixer, for receiving this at least one frequency signal of this range of audibility, and carries out at least one frequency signal of this range of audibility and ordinary audio to obtain this audio-frequency information after stereo process, and sends to this at least one bone conduction unit.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, also comprise: this head fixing device has Yi Touliang, this at least one brain wave detects and connects the inner side of holding a beam that is arranged on this head fixing device.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, this head fixing device is " U " shape mount structure, comprises upper head beam and two relative side clamping sections.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, this head fixing device also comprises: at least one prolongation contact arm, and one end of each this prolongation contact arm is flexibly connected with this head fixing device, and the other end is connected with this bone conduction unit.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, this head fixing device comprises: Yi Touliang; Multiple prolongation contact arms, around being arranged on this beam, one end of each this prolongation contact arm and this head fixing device, the other end connects this brain wave detection and connects end and/or this bone conduction unit; Wherein, the plurality of prolongation contact arm can coordinate the head that clamps user, and the calvarium cortex that makes this brain wave detection connect end and multiple this bone conduction unit and user's head is affixed.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, also comprise: the quantity of this bone conduction unit is seven, connect this beam by seven these prolongation contact arms respectively, form helmet-like.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, comprising: also comprise: at least one switch, connects one to one with this bone conduction unit.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, at least one switch extension arm, is provided with this switch of controlling this bone conduction unit on this switch extension arm, and this switch extension arm is connected with this bone conduction unit, and can conduct these mechanical vibration of this bone conduction unit.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, micro-control unit, is connected with this at least one switch, for according to the respectively switching of this switch, controls the break-make between this mixer and this bone conduction unit.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, comprising: this frequency signal produces circuit and comprises: the agitator of multiple parallel connections, for generation of the multi-frequency signal of the range of audibility; Frequency selector, connects with the plurality of agitator, in the time that this eeg signal receiving is alpha wave, and according to multiple frequency ranges of this alpha wave, the plurality of agitator of conducting; Intervalometer, connects with the plurality of agitator, for controlling the ON time of the plurality of agitator.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, the plurality of agitator comprises: 200Hz agitator, 400Hz agitator and 600Hz agitator; The delay time of the output of the plurality of agitator of conducting of this intervalometer is 0,0.5,1 or 1.5 second.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, comprising: pre-amplifier, connects end with this brain wave detection and be connected, for this eeg signal is once amplified and exported; Frequency filter, is connected with the outfan of this pre-amplifier, and this eeg signal after once amplifying is carried out to Filtering Processing; Post-amplifier, is connected with this frequency filter, and receives this eeg signal through frequency filter filtering, and filtered this eeg signal is carried out to the loss of the gain after secondary amplification compensation filter; Low pass filter, is connected with the outfan of this post-amplifier, for receiving the eeg signal of post-amplifier output, allows this low-frequency this eeg signal to pass through; Brain wave outfan, is connected with this low pass filter, receives this eeg signal through low pass filter filtering.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, also comprise display lamp, for receiving this eeg signal, this bone-conduction device, in the time that this eeg signal is alpha wave signal, triggers this display lamp.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, frequency signal produces circuit can also directly feed back this eeg signal to this mixer; This mixer receives this eeg signal, and this eeg signal and ordinary audio are carried out obtaining this audio-frequency information after stereo process, and sends to this at least one bone conduction unit.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, this bone conduction unit is multiple, and the plurality of bone conduction unit conducts this mechanical vibration according to the order of sequence or at random.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, also comprise: this bone conduction unit dorsad side of calvarium cortex has phalanges conducting part, for conducting this mechanical vibration to the phalanges of pressing this bone conduction unit.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, this eeg signal is alpha wave signal.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, this frequency signal produces between circuit and this mixer and is connected with hand switch.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, at least one audio frequency amplifier, corresponding one by one with this bone conduction unit, this audio frequency amplifier is connected between this mixer and this bone conduction unit.
According to an embodiment of a kind of bone-conduction device of this utility model, wherein, also comprise: the second audio frequency generator, in the time that this eeg signal detecting is alpha wave, provides the second audio frequency to this mixer.
According to an embodiment of a kind of bone conduction method of this utility model, wherein, comprising: this first audio frequency generator and the second audio frequency generator are audio input interface.
This utility model also provides a kind of bone conduction method, wherein, comprising: a region of at least one bone conduction unit and calvarium cortex is affixed; Detect the eeg signal of this calvarium cortex; Produce at least one frequency signal according to this eeg signal; This at least one frequency signal and ordinary audio are carried out after audio mixing, be converted into these mechanical vibration and conduct to this calvarium cortex.
According to an embodiment of a kind of bone conduction method of this utility model, wherein, at least one frequency signal that produces the range of audibility according to this eeg signal comprises: judge whether the eeg signal detecting is alpha wave, if, this alpha wave is divided into multiple frequency ranges, according to multiple frequency ranges of this alpha wave, produce the multi-frequency signal of this range of audibility.
According to an embodiment of a kind of bone conduction method of this utility model, wherein, also comprise: the triggered time of adjusting this multi-frequency signal.
According to an embodiment of a kind of bone conduction method of this utility model, wherein, also comprise: this eeg signal is alpha wave signal, calvarium cortex is divided into seven regions, wherein a side of calvarium cortex is divided into three regions, and opposite side is divided into another three regions, and calvarium cortex center is a region, this bone conduction unit is affixed with the zones of different of calvarium cortex respectively, to determine the region of feedback alpha wave.
According to an embodiment of a kind of bone conduction method of this utility model, wherein, also comprise: by seven these bone conduction unit, contact with these seven regions of calvarium cortex respectively, conduct mechanical vibration to the region of these seven calvarium cortexes according to the order of sequence or at random.
According to an embodiment of a kind of bone conduction method of this utility model, wherein, also comprise: the eeg signal that detects this calvarium cortex, and produce at least one frequency signal according to this eeg signal and comprise: judge whether the eeg signal detecting is alpha wave, if, this alpha wave signal and this ordinary audio are carried out after audio mixing, be converted into these mechanical vibration and conduct to this calvarium cortex.
According to an embodiment of a kind of bone conduction method of this utility model, wherein, also comprise: by this bone conduction unit of finger presses, make this bone conduction unit refer to conduct mechanical vibration to this bone, make vibratory stimulation sensation that calvarium cortex receives coordinate finger by vibration, determine the position of the mechanical vibration of calvarium cortex.
According to an embodiment of a kind of bone conduction method of this utility model, wherein, also comprise: in the time that this eeg signal is alpha wave, input another kind of ordinary audio, and carry out audio mixing with this at least one frequency signal.
In sum, this utility model, by a bone conduction unit arranging separately, is affixed with a region of calvarium cortex, to receive mechanical vibration, and coordinates attention in the region that concentrates on mechanical vibration.Wake cortex up and make sympathetic response reaction, after continuing for some time, reach the state of accepting beyond doubt mechanical vibration input.The brain wave of calvarium cortex fed back simultaneously and synthesize with the external audio of input, making user can judge according to the change of mechanical vibration the learning state of self.And coordinate to maintain constantly attention is applied to the region that bone conduction unit and calvarium cortex are affixed, contribute to make attention collected state more lasting, breakthrough common people's of short duration attention or improve lasting hypodynamic shortcoming.This utility model contributes to promote corticocerebral functional activity simultaneously, postpones the patient's condition problems such as brain function and amnesia and occurs.And simpler than existing bone conduction learning device structure, and be not easy to be subject to the interference of the parts such as subsidiary earphone.
Brief description of the drawings
Figure 1 shows that the schematic diagram of an embodiment of bone-conduction device;
Figure 2 shows that the division figure of calvarium cortex;
Figure 3 shows that and be depicted as the schematic diagram that a region of bone-conduction device and calvarium cortex is affixed;
Figure 4 shows that the structural representation of another embodiment of bone-conduction device;
Figure 5 shows that the structural representation of looking up of another embodiment of bone-conduction device;
Figure 6 shows that the schematic diagram that is applied to calvarium cortex of seven bone conduction unit of bone-conduction device;
Figure 7 shows that the circuit theory schematic diagram of bone-conduction device;
Figure 8 shows that another circuit theory schematic diagram of bone-conduction device;
Fig. 9 is the schematic diagram with the control circuit of the device of seven bone conduction unit.
Detailed description of the invention
Figure 1 shows that the schematic diagram of an embodiment of bone-conduction device, as shown in Figure 1, the bone-conduction device in the present embodiment comprises: head fixing device 19, prolongation contact arm 15 and bone conduction unit 10.With reference to figure 1, head fixing device 19 comprises: a beam 13, clamping section 11 and clamping section 12.
In Fig. 1, a beam 13 of head fixing device, clamping section 11 and clamping section 12 form the head fixing device 19 of " U " shape mount structure.So that head fixing device 19 and head are fixed, a beam 13 is affixed with calvarium cortex.
Bone conduction unit 10 can be connected with the one end that extends contact arm 15, the other end that extends contact arm 15 connects the clamping section 11 of head fixing device 19, the junction extending between contact arm 15 and clamping section 11 is moving fulcrum 14, and extending contact arm 15 can rotate centered by moving fulcrum 14.It is movable extending contact arm 15, and can be telescopic, contacts multiple regions of calvarium cortex so that bone conduction unit 10 can be selected.Bone conduction unit 10 can be according to the audio-frequency information receiving, with the scalp conduction mechanical vibration to being affixed.
As shown in Figure 1, the inner side of a beam 13, towards a side of calvarium cortex, is provided with multiple brain waves detections and connects end 17, and brain wave detects and connects end 17 for detection of brain wave.Bone-conduction device can send to external oscillograph or computer etc. by the brain wave detecting simultaneously.Further, the brain wave detecting can be processed, carry out audio mixing by signal feedback after treatment and with the audio frequency receiving, with according to the state of brain wave, adjust to the mechanical vibration of scalp conduction, make audio-frequency information and original audio after audio mixing produce difference, so that user is determined current learning state, and recall fast afterwards required efficient learning state.In addition, the outside of a beam 13 can be provided with display lamp 16, and display lamp 16 is with the duty of instruction bone conduction unit 10.
Figure 2 shows that the division figure of calvarium cortex, as shown in Figure 2, calvarium cortex is divided into seven regions by the present embodiment, comprises left field 1, region 3 and region 5 in Fig. 2, region 2, region 4 and the region 6 on right side, and Yi Ge region, calvarium cortex center 7.Bone conduction unit 10 can be by rotating and telescopic extendable contact arm 15, respectively with the region of 7 calvarium cortexes in one be affixed, with the region transmit machine vibration of the calvarium cortex to corresponding.And according to the different situations of calvarium cortex, searching calvarium cortex is experienced the optimum position of mechanical vibration.For example, due to left and right brain, bone conduction unit 10 can be affixed bone conduction unit with the region of the corresponding right brain of calvarium cortex, and brain wave is detected connect end 17 to be affixed with left brain, to reach the passage of right brain as mechanical vibration input, left brain is the region of brain wave feedback output.
Fig. 3 is depicted as the schematic diagram that a region of bone-conduction device and calvarium cortex is affixed, with reference to figure 3, in the present embodiment bone conduction unit 10 dorsad a side of scalp also there is phalanges conducting part 18.When user can pass through the phalanges conducting part 18 of finger presses bone conduction unit 10, bone conduction unit 10 and a certain region of calvarium cortex are affixed, phalanges conducting part 18 can be to the phalanges conduction mechanical vibration of pressing bone conduction unit.That is to say, by the phalanges conducting part 18 at the back side, finger presses bone conduction unit, when bone conduction unit 10 conducts mechanical vibration to a certain region of calvarium cortex, can the phalanges conduction mechanical vibration to the finger of pressing by phalanges conducting part 18 simultaneously.
The bone-conduction device of summary in the present embodiment realize principle.By bone conduction unit 10, the audio signal of input is converted to mechanical vibration, and by the skull conduction of calvarium cortex.The conduction of mechanical vibration can realize by three tunnels, and the one, make cortex receive the sound by the auditory nervous system of internal ear, form normal Speech input passage.The 2nd, user feels another passage of the Speech input of the position formation of skull mechanical vibration, and with the position that helps to focus one's attention in mechanical vibration, this road conduction is that cerebral cortex is the key operation of extraneous audio frequency and structure organic memory.The 3rd, by the phalanges conducting part 18 of finger presses bone conduction unit 10, in the time that user feels distractibility or be difficult to concentrate, can add the position that invests sensation and pressure so that user applies attention by pressing bone conduction unit 10.Meanwhile, the mechanical vibration that the finger of pressing is accepted conduct to body skeleton by phalanges, and then conduct to brain, and promote sensory storage vibration loop effect, and this is as another passage of Speech input.The activation that obtains vibration force due to cortex in oscillating region coordinates self regulating and control attention again, forces the cortex of experiencing oscillating region to improve liveness, and the blood flow of cortex increases relatively, and brain function thereby performance are improved.
The structural representation of another embodiment of Fig. 4 bone-conduction device, Fig. 5 is the structural representation of looking up of another embodiment of bone-conduction device, Figure 6 shows that the schematic diagram that is applied to calvarium cortex of seven bone conduction unit of bone-conduction device, as Figure 4-Figure 6, in the present embodiment, the quantity of bone conduction unit is seven, is respectively bone conduction unit 101,102,103,104,105,106 and 107, also includes in addition brain wave detection and connects end 25.Coordinate Fig. 3, seven bone conduction unit all extend contact arm by seven and connect head fixing device 19, and form helmet-like.Seven bone conduction unit can be affixed with seven calvarium cortexes of head respectively, reach full calvarium cortex and conduct mechanical vibration simultaneously, to carry out full cortex training.Meanwhile, also can be by seven bone conduction unit in turn to seven calvarium cortex conduction mechanical vibration, to determine the most active region of calvarium cortex.
In addition, with reference to figure 4 and Fig. 5, bone conduction unit 101-107 is connected with a switch extension arm respectively, is provided with the switch of controlling bone conduction unit on switch extension arm.Taking bone conduction unit 101 as example, it connects head fixing device 19 by extending contact arm 15.Switch 431 is connected with bone conduction unit 101, to control the operation of bone conduction unit 101.Meanwhile, one end of switch extension arm 110 connects bone conduction unit 101, the other end of switch 431 connecting valve extension arms 110, and switch extension arm 110 can be flexible arm, and the mechanical vibration that can conduct this bone conduction unit 101.Because switch extension arm 110 can vibrate along with bone conduction unit 101, therefore when user is by finger contact switch extension arm 110, just can obtain the mechanical vibration of bone conduction unit 101.By finger presses bone conduction unit 101, make bone conduction unit 101 refer to conduct mechanical vibration to bone, the reflection sensation of recycling brain to vibration, brain is reacted, as the position of muscle strengthening exercise motion behaviour-consciousness ground sensation, feel to join refer to by, then coordinate consciousness so that brain concentrate on.
Fig. 7 is the circuit theory schematic diagram of bone-conduction device, and as shown in Figure 7, the circuit of bone-conduction device comprises conduction portion and the feedback fraction of audio frequency.The conduction portion of audio frequency includes audio signal input end 20, audio frequency amplifier 23 and bone conduction unit 10.Wherein, audio signal input end 20 is for being connected with outside voice input device, to receive ordinary audio signal, as audio-frequence player devices such as external MP3 player, mobile phone, computer and CD.Audio frequency amplifier 23 is for the audio signal of input is amplified, and the audio signal of conduction after amplifying is to bone conduction unit 10.
As shown in Figure 7, the feedback fraction of bone-conduction device circuit comprises that brain wave detection connects end 25, pre-amplifier 28, frequency filter 31, post-amplifier 30, low pass filter 32 and brain wave outfan 33, frequency signal produces circuit 27 and mixer 22.Brain wave outfan 33 can with the external connection such as oscillograph or display, to monitor the state of brain wave.Electric wave detect connect end 25(be multiple brain waves in Fig. 1 detect connect end 17) connect pre-amplifier 28.Frequency filter 31 is connected with the outfan of pre-amplifier 28.Post-amplifier 30 is connected with frequency filter 31.Low pass filter 32 is connected with the outfan of post-amplifier 30.Brain wave outfan 33 is connected with low pass filter 32.Electrode 35 detects the common reference earth-return circuit that connects end 25 as brain wave, can join with human body.Mixer 22 produces circuit 27 with audio signal input end 20, frequency signal respectively and audio frequency amplifier 23 is connected.
With reference to figure 7, pre-amplifier 28 is for once amplifying and export eeg signal; Frequency filter 31 carries out Filtering Processing to the eeg signal after once amplifying.Post-amplifier 30 receives the signal through frequency filter 31 filtering, for to electronic signal by decay and the loss of the signal wave amplitude after frequency filter 31, in addition gain compensation.Low pass filter 32 receives the eeg signal of post-amplifier output, allows this low-frequency this eeg signal to pass through, for example, can allow alpha wave and/or β brain wave to pass through.Brain wave outfan 33 connects external oscillograph or display, and user can pass through.Check the frequency of brain wave by oscillograph, when the alpha wave that cerebral cortex discharges, be super learning state, and carry out learning and memory with this state.
Mixer 22, the external audio of inputting for received audio signal input 20, and receiving frequency signals produces the multi-frequency signal of the range of audibility that produces of circuit 27, and the multi-frequency signal of the range of audibility and ordinary audio are carried out, after stereo process, sending to bone conduction unit 10.Effect is in order to carry out secondary-confirmation, namely, by the state in conjunction with eeg signal to the audio frequency of input, adjust the audio frequency of input and again export to cortex, brain catches this kind of variation, further to make brain determine that learning state is now for learning and memory state preferably.Frequency signal produces circuit 27 and receives the eeg signal through low pass filter 32 filtering, produces the frequency signal of the different ranges of audibility to substitute this eeg signal.
With reference to figure 7, summary frequency signal produces the work process of circuit 27 and mixer 22.Be alpha wave at the brain wave of receiving, the frequency spectrum of alpha wave is 7-12Hz, like this frequency signal produce circuit 27 can the corresponding signal that produces a kind of frequency, be for example the frequency signal of 600Hz, and feed back to mixer 22.Mixer 22 is receiving after the frequency signal of 600Hz, and the audio frequency that itself and audio signal input end 20 are inputted carries out stereo process, and sends to audio frequency amplifier 23, and after being amplified by audio frequency amplifier 23, sends to bone conduction unit 10.So, the mechanical vibration after adjustment just can be exported in bone conduction unit 10.Mechanical vibration after adjustment, because the feedback according to brain wave is adjusted, can make user know in time the brain response state of oneself, and facilitate user to adjust in the time that energy is not concentrated, and make the brain wave of output maintain alpha wave.
For being ignorant of manipulating the user of brain completely, utilize audio signal input end 20 sound imports of Fig. 8, respectively drive bone conduction corresponding to being placed on the scalp of right brain, its machine power adds sensation and coordinates, and can bring out alpha wave and occur.
And user is remembered when efficient, the state of the mechanical vibration that bone conduction unit 10 is exported, so that when user uses afterwards, can recall state now in time, has transferred the alpha wave state of brain.
With further reference to Fig. 7, mixer 22 and frequency signal produce between circuit 27 and are connected with switch 21, so that user selects the audio frequency of input whether to carry out audio mixing.And experience when carrying out audio mixing and not carrying out audio mixing, the state of the mechanical vibration that bone conduction unit 10 is exported, more clearly to experience under the alpha wave state of brain, the state of the mechanical vibration that bone conduction unit 10 is exported.
Fig. 8 is another circuit theory schematic diagram of bone-conduction device, and frequency signal generation circuit 27 comprises the agitator 35 of frequency selector 39,200Hz, the agitator 36 of 400Hz, agitator 37 and the intervalometer 38 of 600Hz as shown in Figure 8.
In Fig. 8, also there is in addition another audio input end 40, display lamp 16 and rheostat 34.As shown in Figure 8, the frequency signal size that rheostat 34 is exported for the signal generating circuit 27 of adjusting frequency.Audio input end 40 connects outfan and the mixer 22 of low pass filter 32 by switch 29, the eeg signal of exporting when low pass filter 32 is alpha wave signal, switch 29 closures, and conducting input 40 and mixer 22.Now, can use the input pattern of following several audio frequency:
1, be not the situation of alpha wave at eeg signal, audio frequency input 20 is normal inputs audio frequency, and coordinates frequency signal to produce circuit 27, to bring out alpha wave.
2, eeg signal is alpha wave, trigger switch 29 closures, the audio frequency of the same race that allows audio input end 40 inputs and audio input end 20 to input.
3, eeg signal is alpha wave, trigger switch 29 closures, the audio frequency not of the same race that allows audio input end 40 inputs and audio input end 20 to input.
Switch 29 can be triggered by alpha wave, i.e. user and first utilize audio signal input end 20 sound imports, respectively drives bone conduction corresponding to being placed on the scalp of right brain, and its machine power adds sensation and coordinates, and brings out alpha wave and occurs.As long as have after aforesaid operations experience, the memory state before utilizing, oneself brings out alpha wave and occurs, and after occurring at alpha wave, the switch 29 that can trigger 40 sound imports is communicated with, and user can hear the sound import of audio input end 40.
Certainly, be not limited to above several occupation mode.User can input and select with coordinating of audio input end 20 audio input end 40 flexibly.
Frequency selector 39 is for according to the difference of the frequency range of original eeg signal input, the agitator that conducting is different.The agitator 35 of 200Hz, triggers the output of 200Hz frequency for original eeg signal.The agitator 36 of 400Hz, triggers the output of 400Hz frequency for original eeg signal.The agitator 37 of 600Hz, triggers the output of 600Hz frequency for original eeg signal.Display lamp 16 is alpha wave in the brain wave frequency that feedback can be detected at 7-12Hz() time trigger.And for the present embodiment, original eeg signal is alpha wave.In addition, the frequency of above-mentioned agitator selects to be not limited to above-mentioned frequency range, in fact can be also other frequencies between the 20Hz to20kHz of audible frequency, but because the sense of hearing of low frequency 200Hz, 400Hz and 600Hz is better, therefore can preferably be chosen as the oscillator of 200Hz, 400Hz and 600Hz.
Wherein, in the time that audio input end 20 is zero load, there is not signal input in audio input end 20, and the eeg signal of feedback is after frequency signal produces circuit 27 processing, and the direct output frequency signal of mixer 22 produces the frequency signal that circuit 27 is exported.
For a kind of situation, in the time that the eeg signal of feedback is alpha wave, frequency selector 39 is selected the signal of the 200Hz of the agitator 35 that triggers 200Hz; When the eeg signal of feedback is while being 7-9Hz, the agitator 36 that frequency selector 39 triggers 400Hz is exported the signal of 400Hz; When the eeg signal of feedback is while being 10-12Hz, the agitator 37 that frequency selector 39 triggers 600Hz is exported the signal of 600Hz.Certainly, also can select the not mode of loading frequency for some users, feed back eeg signal by circuit 24.Tell by frequency selector 39 signal that the brain wave of feedback is alpha wave, again alpha wave is further divided, be respectively (7Hz-9Hz), (10Hz-12Hz), (7Hz-12Hz) and the direct short-circuit output of circuit 24 etc., do four select an output by frequency selector 39, each output all has independently frequency trigger running, carry out 200Hz, 400Hz, 600Hz etc. by agitator respectively, and control period periodic Control.
Above four road signals all can be exported to bone conduction unit 10 through mixer 22 and audio frequency amplifier 23.Intervalometer 38 can 0 second time cycle, 0.5 second, 1 second and 1.5 seconds, its object is because the user a brain wave detecting may not be continuous, therefore by the output frequency signal of the each agitator triggering is extended to 0.5 second, 1 second and 1.5 second time, so that user's identification.Just can consider to select 0 second for real-time period model for skilled user, not carry out the time delay of any frequency signal.Wherein, the control that the switching of intervalometer 38 and frequency selector 39 and selection function can all-pass be excessively manually correlated with.
Fig. 9 is the schematic diagram with the control circuit of the device of seven bone conduction unit, as in conjunction with Fig. 8 and Fig. 9, in the present embodiment, because bone conduction unit is seven, is respectively bone conduction unit B
1～B
n, audio frequency amplifier is also corresponding one by one has seven, is respectively audio frequency amplifier A
1～A
n, and be all connected with mixer 22.Switches set 42 is connected to bone conduction unit B
1～B
nwith audio frequency amplifier A
1～A
nbetween, for controlling audio frequency amplifier A
1～A
nwith bone conduction unit B
1～B
nbetween break-make.The each bone conduction unit B of switches set 43 corresponding control in Fig. 8
1～B
nbreak-make, the switch of user by gauge tap group 43 selects part bone conduction unit to open, micro-control unit 41, according to the selection result of switches set 43, sends corresponding switching signal to switches set 42, to control bone conduction unit B
1～B
nwhich conducting work.For example in Fig. 4, switch 431 is the switch in switches set 43, by the switching of gauge tap 431 manually, both can control the break-make of bone conduction unit 101.Can programme to the turn-on and turn-off of seven bone conduction unit simultaneously, and carry out this program by micro-control unit 41, to make seven bone conduction unit conduct in certain sequence or at random mechanical vibration, or formation is independent by one to seven bone conduction unit or the multiple combination conduction mechanical vibration of mating reaction.Carry out the manipulation to seven bone conduction unit of program and manual engagement.
A kind of bone conduction method of this utility model embodiment, referring to figs. 1 to 9, comprising:
One region of at least one bone conduction unit and calvarium cortex is affixed;
Detect the eeg signal of this calvarium cortex;
Produce at least one frequency signal according to this eeg signal;
This at least one frequency signal and ordinary audio are carried out after audio mixing, be converted into these mechanical vibration and conduct to this calvarium cortex.
Wherein, detect the eeg signal of this calvarium cortex, and produce at least one frequency signal according to this eeg signal and comprise:
Judge whether the eeg signal detecting is alpha wave, if so, this alpha wave signal and this ordinary audio is carried out after audio mixing, is converted into these mechanical vibration and conducts to this calvarium cortex.
Wherein, above-mentioned at least one frequency signal according to this eeg signal generation range of audibility comprises:
Judge whether the eeg signal detecting is alpha wave, and if so, this alpha wave is divided into multiple frequency ranges, according to multiple frequency ranges of this alpha wave, produces the multi-frequency signal of this range of audibility.And, can adjust triggered time of this multi-frequency signal.
Simultaneously, bone conduction method also comprises: this eeg signal is alpha wave signal, calvarium cortex is divided into seven regions, wherein a side of calvarium cortex is divided into three regions, opposite side is divided into another three regions, calvarium cortex center is a region, this bone conduction unit is affixed with the zones of different of calvarium cortex respectively, to determine the region of feedback alpha wave.
Meanwhile, bone conduction method also comprises: by seven these bone conduction unit, contact respectively with these seven regions of calvarium cortex, conduct mechanical vibration according to the order of sequence or at random to the region of these seven calvarium cortexes.
In addition, bone conduction method also comprises: detect the brain wave of calvarium cortex, to monitor brain wave active state.
Further, bone conduction method also comprises: by this bone conduction unit of finger presses, make this bone conduction unit refer to conduct mechanical vibration to this bone, make vibratory stimulation sensation that calvarium cortex receives coordinate finger by vibration, determine the position of the mechanical vibration of calvarium cortex.
Further, bone conduction method also comprises: to this eeg signal amplify and Filtering Processing after, and brain wave is transferred to brain wave display device, and eeg signal after treatment is carried out to audio frequency simultaneously and synthesize, the audio signal receiving through the synthetic eeg signal of audio frequency and bone-conduction device is carried out after audio mixing, through processing and amplifying, export to this at least one bone conduction unit.
Further, bone conduction method also comprises: in the time that this eeg signal is alpha wave, input another kind of ordinary audio, and carry out audio mixing with this at least one frequency signal.
In addition, for the different personnel of attention control ability, should adopt different usings method.For example, control the personnel of the ability of brain operating mode for oneself, the sensation should operate by the different region of experience brain, multiple bone conductions unit time, to find the region focusing on.For there being-determining oneself to control the personnel of the ability of brain operating mode, in the time focusing on, alpha wave just can be known, and the sensation simultaneously also can operate by the different region of experience brain, multiple bone conductions unit time, to find the region focusing on.Control the strong personnel of ability of brain operating mode for oneself, can be only by this bone-conduction device determine there is alpha wave situation both can, and without further alpha wave being excited.
To the personage of cerebral activity quantity not sufficient, can utilize the aural reception of brain and feel to combine, the audition and the sensation that when user moves bone conduction, produce, add and judge that its position forms cerebral activity, promotes the activation of brain appropriateness.If it is more effective to coordinate above-mentioned brain wave to detect.Change the frequency of brain wave by user oneself.
In sum, this utility model, by a bone conduction unit arranging separately, is affixed with a region of calvarium cortex, to receive mechanical vibration, and coordinates attention in the region that concentrates on mechanical vibration.Wake cortex up and make sympathetic response reaction, after continuing for some time, reach the state of accepting beyond doubt mechanical vibration input.The brain wave of calvarium cortex fed back simultaneously and synthesize with the external audio of input, making user can judge according to the change of mechanical vibration the learning state of self.And coordinate to maintain constantly attention is applied to the region that bone conduction unit and calvarium cortex are affixed, contribute to make attention collected state more lasting, breakthrough common people's of short duration attention or improve lasting hypodynamic shortcoming.This utility model contributes to promote corticocerebral functional activity simultaneously, postpones the patient's condition problems such as brain function and amnesia and occurs.And simpler than existing bone conduction learning device structure, and be not easy to be subject to the interference of the parts such as subsidiary earphone.
Although described this utility model with reference to several exemplary embodiments, should be appreciated that term used is explanation and exemplary and nonrestrictive term.Because this utility model can specifically be implemented in a variety of forms and not depart from spirit of the present utility model or essence, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claims, therefore fall into whole variations in claim or its equivalent scope and remodeling and all should be claims and contain.
Claims (6)
1. a head bone-conduction device, is characterized in that, this bone-conduction device comprises:
Head fixing device, be used for supporting bone-conduction device and user's head to fix, this head fixing device is " U " shape mount structure, comprises upper head beam and two relative side clamping sections, and at least one brain wave detects and connects the inner side of holding this beam that is arranged on this head fixing device.
2. head bone-conduction device as claimed in claim 1, it is characterized in that, this bone-conduction device also comprises at least one prolongation contact arm, and one end of each this prolongation contact arm is flexibly connected with this head fixing device, and the other end is connected with a bone conduction unit of this bone-conduction device.
3. head bone-conduction device as claimed in claim 2, is characterized in that, this bone-conduction device also comprises:
Two audio signal input ends, for receiving the audio signal of outside input; Comprise the first audio input end and the second audio input end, wherein said the first audio input end is in order to input ordinary audio;
Audio frequency amplifier, is connected with described audio input end, and it can amplify this audio signal, and conduction this audio signal after amplifying is at least one this bone conduction unit of this bone-conduction device.
4. head bone-conduction device as claimed in claim 3, is characterized in that, this bone-conduction device also comprises:
Low pass filter;
Brain wave indicating circuit, is connected with this low pass filter, for receiving this eeg signal through low pass filter filtering, and according to the frequency of this eeg signal receiving, exports different index signals;
Audio frequency combiner circuit, is connected with this brain wave indicating circuit, according to the different index signal of this brain wave indicating circuit output, produces the frequency signal of the different ranges of audibility to substitute this eeg signal;
Mixer, be connected with the instruction of this audio signal input end and this brain wave and audio frequency combiner circuit respectively, it is for the frequency signal of the range of audibility of brain wave instruction and the output of audio frequency combiner circuit is carried out to stereo process with the audio signal of normally inputting, and the signal after stereo process is sent to this audio frequency amplifier.
5. head bone-conduction device as claimed in claim 1, is characterized in that, this bone-conduction device also comprises the display lamp of this upper head beam arranged outside.
6. head bone-conduction device as claimed in claim 4, it is characterized in that, described the second audio input end connects outfan and the mixer of described low pass filter by a switch, when the eeg signal of described low pass filter output is alpha wave signal, described switch closure, and the second audio input end and described mixer described in conducting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066862.XU CN203935493U (en) | 2014-02-14 | 2014-02-14 | Head bone-conduction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420066862.XU CN203935493U (en) | 2014-02-14 | 2014-02-14 | Head bone-conduction device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015120765A1 (en) * | 2014-02-14 | 2015-08-20 | 周家祥 | Head bone conduction device and method |
| CN110167643A (en) * | 2016-08-17 | 2019-08-23 | 斯科特科技公司 | Respirator facepieces with integrated form osteoacusis energy converter |
-
2014
- 2014-02-14 CN CN201420066862.XU patent/CN203935493U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015120765A1 (en) * | 2014-02-14 | 2015-08-20 | 周家祥 | Head bone conduction device and method |
| CN110167643A (en) * | 2016-08-17 | 2019-08-23 | 斯科特科技公司 | Respirator facepieces with integrated form osteoacusis energy converter |
| US11471712B2 (en) | 2016-08-17 | 2022-10-18 | Scott Technologies, Inc. | Respirator mask with integrated bone conduction transducer |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20200214 |