CN201727828U - Musical sleep sound device - Google Patents
Musical sleep sound device Download PDFInfo
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- CN201727828U CN201727828U CN2009200598560U CN200920059856U CN201727828U CN 201727828 U CN201727828 U CN 201727828U CN 2009200598560 U CN2009200598560 U CN 2009200598560U CN 200920059856 U CN200920059856 U CN 200920059856U CN 201727828 U CN201727828 U CN 201727828U
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model relates to a musical sleep sound device and a method for controlling sleep and avoiding sudden death in a dream. The device allows a user to enter a sleep state rapidly by heart rate feedback control and brain wave feedback control and emits a signal when the heart rate is higher than 105 times/minute or lower than 48 times/minute by detection to intentionally wake the user up so as to avoid sudden death in the dream. The device comprises a control module, an external detection module, a music playing module, a music listening module, a color light module, a current stimulating module, a high voltage electric field effect module and a music body feeling vibrator module and has a sleep control state, a sudden death in the dream avoiding state, a sleep control and sudden death in the dream avoiding state. In the sleep control state, heart rate feedback control or brain wave feedback control can be used separately and brain waves used for inducing a human brain can be generated by a brain wave generator and randomly-recorded brain waves of the user in different sleep stages can be used.
Description
[technical field]
This utility model relates to a kind of music sleeping instrument and a kind ofly controls sleep and avoid the method for dying suddenly in the dream, is specifically related to a kind of employing heart rate feedback control, brainwave feedback control makes the people enter dormant instrument fast.And in the process of monitoring sleep,, will send signal when detecting the high what of heart rate 105 times/minute or 48 times/timesharing of low what, and deliberately the people is waken up, avoid the method for dying suddenly in the dream.
[background technology]
Present hypnotic instrument is that single function, employing are unilaterally pouring-in, and does not adopt two kinds of methods of controlling sleep simultaneously such as heart rate feedback control, brainwave feedback control, also hypnotic instrument is not combined in a design in the instrument with avoiding dying suddenly in the dream.
[utility model content]
This music sleeping instrument reaches frequency of brain wave guiding principle synchronously according to E.E.G, adopt the bio information analogue technique,, and be modulated into the E.E.G music signal and feed back to user with the brain wave of the various frequencies of computer simulation, the brain electrical acti level of human body is regulated in influence, makes brain-induced go out required E.E.G.The music sleeping instrument comprises:
Micro computer (11) receives (13) with monitor keyboard (12), receiver of remote-control sytem heart rate, remote control transmitter (14) constitutes main control part, and remove to control recipe music player (32), broadcasting speed controller (33) respectively by bus, the synchronous working of modulation/blender (41), high pitch controller (42), bass controller (43), volume controller (44) low pass filter (63), manipulator (64), potentiometer (65), potentiometer (71), potentiometer (83), lampion controller (52), the work of assurance acts in agreement.
The treatment music of prerecording with select can be stored in storage medium corresponding with interface or recipe music player (32) lining by interface (31), by player plays, sends to modulation/blender (41) after the speed governing and carries out amplitude modulation(PAM) or stack with E.E.G; The E.E.G of being sent by E.E.G harvester, brainWave generator (22) is also sent to modulation/blender (41) and is carried out amplitude modulation(PAM) or stack with music.
Lampion controller (52) is sent to after through E.E.G changer (51) in another road of the E.E.G of being sent by E.E.G harvester, brainWave generator (22), removes to drive lampion (53) according to the height turn colors of frequency of brain wave and sends out colourama and flash by the correlation coefficient of the frequency of E.E.G;
Comprise E.E.G and music composition through modulation/blender (41) modulation/mixed signal, this signal is divided into two-way:
Lead up to high pitch controller (42), bass controller (43), volume controller (44) back by power amplifier L (45), power amplifier R (46) amplification, promote to listen to the earphone or the audio amplifier (47) of usefulness at last;
Another road is divided into three the tunnel via signal mixer (61), dynamic compressor (62) after compressing:
The first via send low pass filter (63), manipulator (64) (containing modulation signal generator), potentiometer (65), power amplifier (66), transformator (67) back the music modulating wave to be imported the corresponding site or the acupuncture point of human body by electrode (68);
The second the tunnel send potentiometer (71), power amplifier (72), transformator (73) back to convert the music electric field to by medicated cushion (74), to the human body effect;
Third Road send low pass filter (81), subwoofer generator (82), potentiometer (83), power amplifier (84), and finally the superlow frequency vibrating by body sense oscillator (85) generation 16-150Hz acts on human body.
Heart rate detection transmitter (21), E.E.G harvester, brainWave generator (22) are respectively adnexaes independently, can be automatically the heart rate of human body, E.E.G incessantly, and send to micro computer, the numerical value of the broadcasting speed of Synchronization Control music, high pitch, bass, volume and potentiometer by modes such as wired or wireless, infrared, bluetooths.
Control module comprises; Micro computer (11), monitor keyboard (12), receiver of remote-control sytem heart rate receive (13), remote control transmitter (14);
External detection module comprises: heart rate detection transmitter (21), E.E.G harvester, brainWave generator (22);
Music playing module comprises: interface (31), recipe music player (32), broadcasting speed controller (33);
Music is listened to module and is comprised: modulation/blender (41), high pitch controller (42), bass controller (43), volume controller (44), power amplifier L (45), power amplifier R (46) and listen to the earphone or the audio amplifier (47) of usefulness;
The colour lamplight module comprises: E.E.G changer (51), lampion controller (52) and lampion (53);
The galvanism module comprises: signal mixer (61), dynamic compressor (62), low pass filter (63), manipulator (64), potentiometer (65), power amplifier (66), transformator (67) and electrode (68);
High voltage electric field effect module comprises: potentiometer (71), power amplifier (72), transformator (73) and medicated cushion (74);
Musical object inductance oscillator module comprises: low pass filter (81), subwoofer generator (82), potentiometer (83), power amplifier (84) and body sense oscillator (85).
Micro computer (11) is a kind of among DSP, MCU, ARM, the CPU; Interface (31) is for a kind of interface in USB dish, SD card, CF card, mini-SD card, XD card, SanDisk SDHC card, Micro SD/TF card, MicroSDHC card, disk, hard disk, the CD and comprise corresponding storage medium; Recipe music player (32) can use the software player of MP3, MP4, MP5, VCD, DVD, CD, MD player and similar functions.
Heart rate detection transmitter (21), E.E.G harvester, brainWave generator (22) can use mode wired, wireless, infrared, bluetooth to transmit to micro computer; Heart rate detection transmitter (21) device can use wrist formula, finger tip formula, mattress formula, remote sensing formula; E.E.G harvester, brainWave generator (22) can use wear-type, patch electrode formula, remote sensing formula.
Earphone or the audio amplifier (47) of listening to usefulness can be wear-type, ear type, skull conduction-type, pillow type, mattress formula.
Lampion (53) is by the ratio of the red, green, blue in the control red, green, blue three-color light-emitting pipe, reaches synthetic all chromatic purposes.
This machine can be operated in the control sleep state, avoids sudden death state in the dream, control the sudden death state in the dream of sleeping+avoid.
The control sleep state can use heart rate feedback control separately or use brainwave feedback control separately.
The control sleep state induces the used E.E.G of human brain to be produced by brainWave generator, the E.E.G that the user that also can use recorded at random to get off occurred in each stage of sleep.
The method of control sleep comprises two kinds of methods such as heart rate feedback control and brainwave feedback control, and they can use simultaneously, also can use respectively separately.
Heart rate feedback control sleep: people's normal cardiac rate can progressively reduce during sleep about 60-100 time/minute, can drop to about 70% of normal cardiac rate when entering the deep sleep.At first sleep by the entrainment of frrequency of voice hypnosis, lampion turn colors and adjusting flash of light; Micro computer is noted the heart rate of people when falling asleep and is controlled music speed, makes the beat of music basic identical or lower slightly with people's heart rate.
The explanation people progressively enters sleep state when detecting heart rate and progressively reduce, this moment, microcomputerized control music speed reduced synchronously, the reduction that allows the beat of music follow heart rate substantially reduces synchronously by certain functional relation, micro computer is decayed high pitch simultaneously, bass boost, and volume reduces, the oscillation intensity of body sense oscillator reduces, the current intensity of electrode also reduces, and adapting to the human body that progressively enters sleep, and is unlikely to hinder the people and enters deep sleep.
When detecting heart rate and drop to 70% left and right sides of normal cardiac rate, illustrate that the people has entered the deep sleep, micro computer further reduces high pitch, bass, volume, the oscillation intensity of body sense oscillator and the current intensity of electrode simultaneously, until being zero; Make the recipe music player quit work; But heart rate detection transmitter, E.E.G harvester, brainWave generator are in running order all the time.
When between WA, arrive, micro computer makes the recipe music player start working, the rising that the oscillation intensity of volume, body sense oscillator is started from scratch slowly to be increased, the beat of music is followed heart rate substantially raises synchronously by certain functional relation, when detecting heart rate and be raised to normal cardiac rate, illustrate that the people is clear-headed fully, this moment, complete machine quit work.
This method is different from fully listens the music sleep usually---and listen the music sleep, when the people progressively entered sleep state, the speed of music, volume, high bass can't change, and more can not close automatically, will hinder the people and enter the deep sleep before shutdown.
Brainwave feedback control sleep: human brain wave generally is divided into four levels, and the E.E.G of wakefulness is called the β ripple, and its frequency is 14～30Hz; E.E.G when closing the eyes for rest claims α ripple, and frequency is at 8～14Hz; The E.E.G that sleeping back occurs is called the θ ripple, and its frequency is 4～8Hz, and at this moment the people is in by the clear-headed shallow state of sleeping to sleeping transition, is waken up easily or wakes up with a start, and dreamland is everlasting and is occurred this moment; Entering the later E.E.G of deep sleep is the δ ripple, and frequency is at 0.4～4Hz, and this moment, many people just were difficult for being waken up.Detect E.E.G by the E.E.G harvester, can judge people's sleep state.E.E.G is pressed the arrangement of frequency height: β ripple: 14～30Hz; α ripple: 8～14Hz; θ ripple: 4～8Hz; δ ripple: 0.4～4Hz.Because the E.E.G scope is from 0.4～30Hz, the centre is successive, so the E.E.G of brainWave generator output also is successive.In the work process, when the E.E.G harvester detected β, α, θ ripple, brainWave generator produced also α, θ, the δ ripple of low one grade of output respectively to modulation/blender, modulated with music or mixed; Because the frequency many places of E.E.G are outside the human auditory system scope, so come to transmit brain wave signal to brain with the music signal that has therapeutic effect, promptly come brain wave signal is carried out amplitude modulation(PAM) or mixing with the treatment music, produce the modulating wave/mixing ripple of E.E.G+music, carry E.E.G and import human body, induce brain to produce corresponding E.E.G, enter the deep sleep up to the people, the E.E.G harvester detects till the δ ripple; Constantly detect E.E.G, sleep state that can the guarder is controlled opening and closing of music player at any time, quickening, slow-down and change other parameters.
When the E.E.G harvester detects the δ ripple, illustrate that the people has entered the deep sleep, micro computer progressively is reduced to zero to the current intensity of the oscillation intensity of high pitch, bass, volume, body sense oscillator, electrode; Make the recipe music player quit work, but heart rate detection transmitter, E.E.G harvester, brainWave generator are in running order all the time.
After the E.E.G harvester collects the δ ripple, during the recipe music player is out-of-work, in case the E.E.G harvester finds that θ, α ripple appear in human brain, the prompter has the trend of waking up and coming, promptly start the recipe music player this moment, makes brainWave generator output δ ripple, and volume is progressively increased from small to large, until the E.E.G harvester detect θ, the α ripple disappears, till the δ ripple reappears.
When between WA, arrive, micro computer makes the recipe music player start working, the oscillation intensity of volume, body sense oscillator is started from scratch slowly to be increased, when the E.E.G harvester detects δ, θ, α ripple, brainWave generator produces also exports high one grade θ, α, β ripple respectively to modulation/blender, modulates with music or mixes; When the E.E.G harvester detects the β ripple, illustrate that the people is clear-headed fully, complete machine quits work.
On the basis of heart rate feedback control again in conjunction with brainwave feedback control, thereby make the people more F.F. go into the sleep state; Induce the used E.E.G of human brain to produce, the E.E.G that the user that also can use recorded at random to get off occurred in each stage of sleep by brainWave generator; Micro computer can be differentiated the easier δ of the inducing ripple of which kind of ripple and be selected.
This machine can be operated in the control sleep state, avoid in the dream sudden death state and the control sudden death state in the dream of sleeping+avoid.The control sleep state can also use heart rate feedback control separately or use brainwave feedback control separately.
When high what of heart rate 105 times/minute or 48 times/timesharing of low what, the microcomputerized control music player enters duty, deliberately the people is waken up, sends the signalisation household simultaneously, avoids dying suddenly in the user dream.
[description of drawings]
Fig. 1, music sleeping instrument functional-block diagram
[specific embodiment]
The music sleeping instrument that this utility model embodiment provides is seen Fig. 1: it is by micro computer (11) and monitor keyboard (12), the receiver of remote-control sytem heart rate receives (13), remote control transmitter (14) constitutes main control part, and remove to control recipe music player (32) respectively by bus, broadcasting speed controller (33), modulation/blender (41), high pitch controller (42), bass controller (43), volume controller (44) low pass filter (63), manipulator (64), potentiometer (65), potentiometer (71), potentiometer (83), the synchronous working of lampion controller (52), the work of assurance acts in agreement.
The treatment music of prerecording with select can be stored in storage medium corresponding with interface or recipe music player (32) lining by interface (31), by player plays, sends to modulation/blender (41) after the speed governing and carries out amplitude modulation(PAM) or stack with E.E.G; The E.E.G of being sent by E.E.G harvester, brainWave generator (22) is also sent to modulation/blender (41) and is carried out amplitude modulation(PAM) or stack with music.
Lampion controller (52) is sent to after through E.E.G changer (51) in another road of the E.E.G of being sent by E.E.G harvester, brainWave generator (22), removes to drive lampion (53) according to the height turn colors of frequency of brain wave and sends out colourama and flash by the correlation coefficient of the frequency of E.E.G;
Comprise E.E.G and music composition through modulation/blender (41) modulation/mixed signal, this signal is divided into two-way:
Lead up to high pitch controller (42), bass controller (43), volume controller (44) back by power amplifier L (45), power amplifier R (46) amplification, promote to listen to the earphone or the audio amplifier (47) of usefulness at last;
Another road is divided into three the tunnel via signal mixer (61), dynamic compressor (62) after compressing:
The first via send low pass filter (63), manipulator (64) (containing modulation signal generator), potentiometer (65), power amplifier (66), transformator (67) back the music modulating wave to be imported the corresponding site or the acupuncture point of human body by electrode (68);
The second the tunnel send potentiometer (71), power amplifier (72), transformator (73) back to convert the music electric field to by medicated cushion (74), to the human body effect;
Third Road send low pass filter (81), subwoofer generator (82), potentiometer (83), power amplifier (84), and finally the superlow frequency vibrating by body sense oscillator (85) generation 16-150Hz acts on human body.
Heart rate detection transmitter (21), E.E.G harvester, brainWave generator (22) are respectively adnexaes independently, can be automatically the heart rate of human body, E.E.G incessantly, and send to micro computer, the numerical value of the broadcasting speed of Synchronization Control music, high pitch, bass, volume and potentiometer by modes such as wired or wireless, infrared, bluetooths.
Using method: worn heart rate when using for the first time and detected transmitter, E.E.G harvester (for adopting remote sensing formula heart rate detection and E.E.G harvester can reduce this step), and power-on, press initiating key, regulate between the current intensity, WA of oscillation intensity, the electrode of volume, body sense oscillator and can enter sleep state, remaining work is just leading by micro computer, finish up to sleep, take off heart rate detection transmitter, E.E.G harvester, micro computer will shut down automatically.Detect transmitter, E.E.G harvester (for adopting remote sensing formula heart rate detection and E.E.G harvester can reduce this step) as long as worn heart rate when using later on, and power-on, press initiating key, micro computer can be remembered volume, body-sensing vibration intensity, the current intensity of last time, and it is simple and convenient relatively that use can be felt.
Useful effect: this instrument can make sleep-disorder and cardiovascular defectiveness and deposit the people who is inclined to that dies suddenly in the arms of morpheus and be benefited.
Claims (4)
1. music sleeping instrument according to claim 1 is characterized in that:
It receives (13), remote control transmitter (14) formation main control part by micro computer (11) and monitor keyboard (12), receiver of remote-control sytem heart rate, and remove to control recipe music player (32), broadcasting speed controller (33) respectively by bus, the synchronous working of modulation/blender (41), high pitch controller (42), bass controller (43), volume controller (44) low pass filter (63), manipulator (64), potentiometer (65), potentiometer (71), potentiometer (83), lampion controller (52), the work of assurance acts in agreement;
The treatment music of prerecording with select can be stored in storage medium corresponding with interface or recipe music player (32) lining by interface (31), by player plays, sends to modulation/blender (41) after the speed governing and carries out amplitude modulation(PAM) or stack with E.E.G; The E.E.G of being sent by E.E.G harvester, brainWave generator (22) is also sent to modulation/blender (41) and is carried out amplitude modulation(PAM) or stack with music;
Lampion controller (52) is sent to after through E.E.G changer (51) in another road of the E.E.G of being sent by E.E.G harvester, brainWave generator (22), removes to drive lampion (53) according to the height turn colors of frequency of brain wave and sends out colourama and flash by the correlation coefficient of the frequency of E.E.G;
Comprise E.E.G and music composition through modulation/blender (41) modulation/mixed signal, this signal is divided into two-way:
Lead up to high pitch controller (42), bass controller (43), volume controller (44) back by power amplifier L (45), power amplifier R (46) amplification, promote to listen to the earphone or the audio amplifier (47) of usefulness at last;
Another road is divided into three the tunnel via signal mixer (61), dynamic compressor (62) after compressing:
The first via send low pass filter (63), manipulator (64) (containing modulation signal generator), potentiometer (65), power amplifier (66), transformator (67) back the music modulating wave to be imported the corresponding site or the acupuncture point of human body by electrode (68);
The second the tunnel send potentiometer (71), power amplifier (72), transformator (73) back to convert the music electric field to by medicated cushion (74), to the human body effect;
Third Road send low pass filter (81), subwoofer generator (82), potentiometer (83), power amplifier (84), and finally the superlow frequency vibrating by body sense oscillator (85) generation 16-150Hz acts on human body;
Heart rate detection transmitter (21), E.E.G harvester, brainWave generator (22) are respectively adnexaes independently, can be automatically the heart rate of human body, E.E.G incessantly, and send to micro computer, the numerical value of the broadcasting speed of Synchronization Control music, high pitch, bass, volume and potentiometer by modes such as wired or wireless, infrared, bluetooths.
2. music sleeping instrument according to claim 2 is characterized in that: described micro computer (11) is a kind of among DSP, MCU, ARM, the CPU; Described interface (31) is a kind of interface in USB dish, SD card, CF card, mini-SD card, XD card, SanDisk SDHC card, Micro SD/TF card, MicroSDHC card, disk, hard disk, the CD; Described recipe music player (32) can use MP3, MP4, MP5, VCD, DVD, CD, MD player.
3. music sleeping instrument according to claim 2 is characterized in that: described heart rate detection transmitter (21), E.E.G harvester, brainWave generator (22) can use mode wired, wireless, infrared, bluetooth to transmit to micro computer; Heart rate detection transmitter (21) can use wrist formula, finger tip formula, mattress formula, remote sensing formula; E.E.G harvester, brainWave generator (22) can use wear-type, patch electrode formula, remote sensing formula.
4. music sleeping instrument according to claim 2 is characterized in that: the described earphone (47) of listening to usefulness can be wear-type, ear type, skull conduction-type, and audio amplifier can be pillow type, mattress formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200598560U CN201727828U (en) | 2009-07-06 | 2009-07-06 | Musical sleep sound device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200598560U CN201727828U (en) | 2009-07-06 | 2009-07-06 | Musical sleep sound device |
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| CN201727828U true CN201727828U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200598560U Expired - Fee Related CN201727828U (en) | 2009-07-06 | 2009-07-06 | Musical sleep sound device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768698A (en) * | 2014-01-15 | 2014-05-07 | 黄汝逸 | Sound effect processing circuit of hypnotizing device |
| CN103792870A (en) * | 2014-01-20 | 2014-05-14 | 黄汝逸 | Decompression sleeping device circuit |
| CN104267923A (en) * | 2014-09-16 | 2015-01-07 | 惠州Tcl移动通信有限公司 | Music awakening method and mobile device |
| CN104302035A (en) * | 2013-07-16 | 2015-01-21 | 广东美的暖通设备有限公司 | Lamp control system and control method thereof |
| CN104667407A (en) * | 2014-12-25 | 2015-06-03 | 首都医科大学 | Sleep training machine in magnetic resonance environment |
| CN105617504A (en) * | 2014-11-07 | 2016-06-01 | 英业达科技有限公司 | Sleep aiding system and method |
| CN105796233A (en) * | 2016-02-29 | 2016-07-27 | 上海交通大学 | Eye and ear integrated cover for improving sleeping and control method of eye and ear integrated cover |
| CN106170244A (en) * | 2014-02-04 | 2016-11-30 | 蒂姆土库尔斯有限公司 | Wearable device |
| CN109260567A (en) * | 2018-10-16 | 2019-01-25 | 深圳市太科健康科技有限公司 | A kind of enhancing of wearable brain electricity potential and sleep rhythm adjustment equipment |
| CN109925587A (en) * | 2019-03-18 | 2019-06-25 | 西安电子科技大学 | A kind of deep sleep improvement detection system and method based on biological low noise |
| CN113694395A (en) * | 2021-09-07 | 2021-11-26 | 安徽中实华粹医疗器械有限公司 | Frequency adjustable electric vibration infrared music therapeutic instrument |
| CN114449411A (en) * | 2021-12-21 | 2022-05-06 | 歌尔科技有限公司 | Dynamic adjustment method and device for volume of intelligent wearable device and intelligent wearable device |
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2009
- 2009-07-06 CN CN2009200598560U patent/CN201727828U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104302035A (en) * | 2013-07-16 | 2015-01-21 | 广东美的暖通设备有限公司 | Lamp control system and control method thereof |
| CN103768698A (en) * | 2014-01-15 | 2014-05-07 | 黄汝逸 | Sound effect processing circuit of hypnotizing device |
| CN103768698B (en) * | 2014-01-15 | 2015-11-18 | 黄汝逸 | A kind of hypnotic device sound effect processing circuit |
| CN103792870A (en) * | 2014-01-20 | 2014-05-14 | 黄汝逸 | Decompression sleeping device circuit |
| US10532181B2 (en) | 2014-02-04 | 2020-01-14 | Team Turquoise Ltd. | Wearable apparatus |
| US11464939B2 (en) | 2014-02-04 | 2022-10-11 | Empathic Technologies Ltd. | Wearable apparatus |
| CN106170244A (en) * | 2014-02-04 | 2016-11-30 | 蒂姆土库尔斯有限公司 | Wearable device |
| CN104267923A (en) * | 2014-09-16 | 2015-01-07 | 惠州Tcl移动通信有限公司 | Music awakening method and mobile device |
| CN105617504A (en) * | 2014-11-07 | 2016-06-01 | 英业达科技有限公司 | Sleep aiding system and method |
| CN104667407A (en) * | 2014-12-25 | 2015-06-03 | 首都医科大学 | Sleep training machine in magnetic resonance environment |
| CN105796233A (en) * | 2016-02-29 | 2016-07-27 | 上海交通大学 | Eye and ear integrated cover for improving sleeping and control method of eye and ear integrated cover |
| CN109260567A (en) * | 2018-10-16 | 2019-01-25 | 深圳市太科健康科技有限公司 | A kind of enhancing of wearable brain electricity potential and sleep rhythm adjustment equipment |
| CN109925587A (en) * | 2019-03-18 | 2019-06-25 | 西安电子科技大学 | A kind of deep sleep improvement detection system and method based on biological low noise |
| CN113694395A (en) * | 2021-09-07 | 2021-11-26 | 安徽中实华粹医疗器械有限公司 | Frequency adjustable electric vibration infrared music therapeutic instrument |
| CN114449411A (en) * | 2021-12-21 | 2022-05-06 | 歌尔科技有限公司 | Dynamic adjustment method and device for volume of intelligent wearable device and intelligent wearable device |
| WO2023115600A1 (en) * | 2021-12-21 | 2023-06-29 | 歌尔股份有限公司 | Method and apparatus for dynamically adjusting volume of intelligent wearable device and intelligent wearable device |
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