WO2003084403A1 - Detecteur de somnolence et unite de reveil interconnectee - Google Patents
Detecteur de somnolence et unite de reveil interconnectee Download PDFInfo
- Publication number
- WO2003084403A1 WO2003084403A1 PCT/JP2003/004084 JP0304084W WO03084403A1 WO 2003084403 A1 WO2003084403 A1 WO 2003084403A1 JP 0304084 W JP0304084 W JP 0304084W WO 03084403 A1 WO03084403 A1 WO 03084403A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drowsiness
- wake
- stress sensor
- magnetic field
- milligauss
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1103—Detecting eye twinkling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/165—Evaluating the state of mind, e.g. depression, anxiety
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/18—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N2/00—Magnetotherapy
- A61N2/02—Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/20—Workers
- A61B2503/22—Motor vehicles operators, e.g. drivers, pilots, captains
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
- A61B5/6821—Eye
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6893—Cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
- B60W2040/0818—Inactivity or incapacity of driver
- B60W2040/0827—Inactivity or incapacity of driver due to sleepiness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60W2420/50—Magnetic or electromagnetic sensors
Definitions
- the present invention relates to a drowsiness level detection device that contributes to prevention of traffic accidents and industrial accidents by detecting a drowsiness level during work of a vehicle driver, a safety guard of a factory, and the like, and awakening in conjunction therewith. It concerns the device. Background art
- drowsiness sensors proposed for vehicle drivers include (1) those that detect the image of the driver's face with a camera and judge it based on the movement of their eyelids. (2) Monitor the heart rate and pulse. (3) Various attempts have been reported, such as monitoring changes in the electrical resistance of the skin between the wrist and little finger of the hand. Not reached.
- the image monitoring method makes it difficult to recognize images when the light amount changes suddenly, such as during the daytime or nighttime.
- the skin electrical resistance change monitoring method has no scientific basis and is difficult to judge depending on the skin humidity.
- the present inventor has already invented a drowsiness sensor that utilizes severe drowsiness when the eyelid closing time is 0.5 seconds or more regardless of individual differences (registration 0 0 9 2 8 7) o Disclosure of invention
- the above-mentioned drowsiness degree sensor uses a magnetic field sensor fixed to the eyeglass frame by attaching a small magnet to the eyelid and fixing the magnet moving simultaneously with the eyelid.
- the present invention has been made in view of the above circumstances, and has as its object to provide a drowsiness level detection device that is quick, accurate, and highly practical, and an awakening device linked thereto.
- a high-sensitivity stress sensor attached to the vine of the eyeglass frame at a position corresponding to the vicinity of the user's co-mechanism, and the information from the high-sensitivity stress sensor is used to detect the human eyelid. It is characterized by comprising a microcomputer that detects a blinking motion and determines a degree of sleepiness of a person based on the detected information.
- a high-sensitivity stress sensor attached to the vine portion of the eyeglass frame at a position corresponding to the vicinity of the user's comedy, and the information from the high-sensitivity stress sensor
- a microcomputer that detects a blinking movement of the eyelid and determines a drowsiness level based on the detected information; and a wake-up device that operates based on the drowsiness level signal from the microcomputer.
- the drowsiness detection / wake-up device according to the above [3], further comprising a milligauss ultra-low frequency AC magnetic field generator driven based on a drowsiness signal from the microcomputer. It is characterized in that the magnetic field generated from the magnetic field generator is applied to the user's brain.
- the coil and the drive circuit for generating the milligauss ultra-low-frequency AC magnetic field are arranged near the user's mechanical mechanism. It is characterized by being placed.
- the present invention practically develops the ultra-sensitive stress sensor (stress impedance effect element, Japanese Patent Application Laid-Open No. H10-170355) which the inventor has already invented, and fixes it to the eyeglass frame.
- the sensor head is pressed against the driver's head in the vicinity of the head, so that the eyelid movement is detected without attaching a magnet to the eyelid, and the degree of sleepiness is determined by a micro computer evening. .
- the present invention is configured to apply a micro AC magnetic field of a milligauss size to activate and wake up water molecules and living ions in a living body by a completely different principle from the conventional waking method.
- This new awakening method is based on the “micropulse magnetic field generator and blood circulation promotion / immunity enhancement / tissue regeneration system using the same” (Japanese Patent Application No. 2001-286861). ) Based on awakening experiment. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a schematic diagram of a vehicle driver's dozing detection / wake-up system showing an embodiment of the present invention.
- FIG. 1 is a block diagram of a vehicle driver's dozing detection / wake-up system according to an embodiment of the present invention.
- FIG. 3 is a diagram showing a configuration of a wakeful milligauss ultra-low frequency generator according to the present invention.
- FIG. 4 is a high-sensitivity stress detection device according to the present invention and its circuit diagram.
- FIG. 5 is a frequency characteristic diagram (part 1) of a voltage amplitude change due to stress of the high-sensitivity stress detection device according to the present invention.
- FIG. 6 shows the voltage amplitude change due to the stress of the high-sensitivity stress detection device according to the present invention (part 1).
- FIG. 7 is a configuration diagram of a high-sensitivity stress detection device according to the present invention.
- FIG. 8 is a diagram showing a result of stress detection by the high-sensitivity stress detection device (stress sensor) according to the present invention.
- FIG. 4 is a circuit diagram of a high-sensitivity stress detection device according to the present invention and its circuit diagram
- FIG. 5 is a frequency characteristic diagram (part 1) of a voltage amplitude change due to stress of the high-sensitivity stress detection device.
- the In FIG. 4, 1 1 negative magnetostriction C 072. 5 S i, 2. 5 B 15 amorphous wire (diameter 30 urn, length Omm.
- Fig. 5 shows the amplitude E of the voltage across the amorphous wire when a tension is applied to the amorphous wire 11 and a sinusoidal alternating current with a frequency f and an amplitude of 15 mA is applied from the sinusoidal alternating current power supply 12. It is a measurement result of m.
- amorphous wire 1 in the frequency range of 1 MHz frequency f from 50 kHz
- the amplitude Em of the voltage across 1 increased, and decreased from 1 MHz to about 20 MHz. Above 50 kHz, the amplitude Em of the voltage across the amorphous wire 11 increases with an increase in the frequency f, indicating that the skin effect appears on the amorphous wire 11.
- the amplitude Em of the voltage across the wire is reduced by 20% with a load of 1 g (tensile force of 13 MPa) in the C0SiB wire.
- the Co S i B morphus wire has a maximum tensile strength of 306 MPa and a maximum strain (elongation) of 3.4%. Therefore, the strain gauge ratio (change rate of electromagnetic quantity / elongation rate) is 1286. This is an extremely high value of about 6.5 times the gauge factor of the conventional semiconductor strain gauge with the highest sensitivity of about 200.
- the gage ratio of a C0SiB amorphous wire having a diameter of 20 m was 400.000.
- the gauge factor of the FeC0SiB wire is also about 400, and it can be seen that the thin amorphous wire subjected to the tension annealing shows a remarkably high gauge factor.
- FIG. 7 is a configuration diagram of the high-sensitivity stress detection device according to the present invention
- FIG. 8 shows the result of stress detection by the high-sensitivity stress detection device (stress sensor).
- the induced pulse voltage of the amorphous wire 21 is converted to a DC voltage E_out as an output voltage by the RC peak hold circuit 24 using the Schottky barrier diode SBD 23 as a buffer.
- IC chip 2 0 74 AC 0 4 R is 2 0 ⁇
- C is 1 0 0 p F
- R L is 1 0 Omega
- C h is 1 0 0 0 PF
- R h is a 5 1 0 .
- the output voltage Eout is reduced by 15% at a load of 1 g.
- the gauge factor is about 960, which is about five times the gauge factor of 200 for semiconductor strain gauges.
- the gage ratio is about 170, but the stress detection characteristics show high linearity, and the dynamic range is 6 g (82MPa). ) And wide.
- FIG. 1 is a diagram showing a configuration example of a vehicle driver's dozing detection / wake-up system showing an embodiment of the present invention
- FIG. 2 is a block diagram of the vehicle driver's dozing detection / wake-up system.
- 1 is the impedance effect sensor head
- 2 is the sensor electronics' microcomputer (8-bit microcomputer)
- 3 is the battery
- 3A is the light emitting diode
- 4 is the pillow of the driving seat 9
- 5 is a milligauss pulse generating coil
- 6 is a CMOS multivibrator
- 6 D is a light emitting diode receiving light from 3A and receiving this and CM ⁇ S
- 7 is the driver's A glasses frame
- the vine 8 is the steering wheel of the vehicle
- 9 is the pillow of the driving seat.
- the high-density mounting type or integrated circuit type amorphous magnetostrictive wire stress impedance effect sensor head 1 is fixed to the vine portion 7 of the driver A's eyeglass frame.
- This head 1 is a cylindrical sensor head with a diameter of 15 mm and a C0SiB negative magnetostrictive amorphous wire with a diameter of 20 microns stretched over the surface. Press lightly.
- the deformation stress of the skin due to the contraction of the eye muscles during blinking is detected by the response effect sensor head 1, and the blinking waveform is input to the microcomputer 2 fixed to the vine 7 of the glasses frame of Driver A. If the eyelid closing time becomes 0.4 seconds or more by the information processing of the microcomputer, it is determined as severe drowsiness.
- the response impedance sensor head 1 is a pulsed operation in the CMOS circuit, and its power consumption is about 5 milliliters.
- the operation of the microcomputer 2 is light, and the power consumption is about 20 milliliters. Therefore, the battery 3 may be a button battery, and an intermittent operation method is used in which the detection operation of the impedance response sensor 1 is operated, for example, every 5 seconds for 2 seconds.
- FIG. 3 is a diagram showing a configuration of a wakeful milligauss ultra-low frequency generator according to the present invention.
- 4 is a milligauss ultra-low-frequency generator for awakening
- 5 is a coil that generates a milligauss ultra-low-frequency AC magnetic field
- 6 is a CMOS multi-bicycle as a driving circuit of a coil that generates a milligauss ultra-low-frequency AC magnetic field.
- the driving circuit 6 includes a circuit A and a circuit B.
- Its circuit A pulse voltage generating circuit
- two CMOS inverter Ichita a rectangular voltage oscillating circuit (multivibrator) 6A by Q 2 and R and C, and from the square voltage oscillating circuit (multivibrator) 6 A
- It consists of a fractional circuit (R d , C d ) 6 B that converts the oscillation voltage of the pulse into a pulse voltage, and a CMOS inverter Q 3 that shapes and amplifies the pulse voltage of its differentiating circuit 6 B.
- Circuit B consists of a square wave voltage oscillator circuit (multivibrator) 6 C composed of two CM ⁇ S inverters Q 4 , Q 5 , 3 R, and C, and a CMOS that shapes and amplifies the square wave voltage. Invar evening consisting of Q 6.
- a square wave oscillation circuit with an oscillation frequency of about 0.5 Hz. With the output voltage of a positive half cycle, the analog switch AS 6D is closed and the pulse current of circuit A generates a milligauss ultra-low frequency alternating magnetic field. The coil 5 is applied to generate a milligauss pulse magnetic field.
- the awakening milligauss ultra-low frequency generator 4 turns on the switch (light-sensitive switch) 6 D by the light of the light emitting diode 3 A driven when the sleepiness degree signal is obtained by the microcomputer 2,
- a multi-vibrator 6 is driven to supply a 5-milliampere 4 Hz current to a milligauss pulse generating coil 5 having a diameter of 12 cm and winding 100 turns.
- the CMOS multi-vibration circuit 6 is simply configured. The power consumption is about 1 millimeter, and it can be operated many times with two AAA batteries.
- the principle of awakening is innovative. Due to the milligauss alternating magnetic field, the water molecule cluster and life in the living body generate cyclotron resonance in the geomagnetism, generate a standing wave loop of proton exchange, and become the core of the self-organization of molecules, It stimulates the activation of life activity and awakens the dormant brain.
- the milligauss AC magnetic field generating coil 5 is preferably installed near the brain, such as in the pillow 9 of the driver's seat or in the driver's (user's) hat (not shown).
- the milligauss generation does not interlock with the stress impedance effect sensor 1, and may be, for example, a method of generating the milligauss for 10 seconds every 5 minutes.
- a small milligauss pulse generating coil may be fixed to the vine of the eyeglass frame to apply a magnetic field to the come-mechanical part. It may be.
- a wake-up device can be provided.
- a drowsiness level can be detected and awakened before a driver or the like of a vehicle falls asleep and causes an accident.
- a drowsiness detection and awakening device can be implemented by integrating it with the glasses frame.
- the drowsiness detection device of the present invention and the awakening device linked thereto prevent traffic accidents by equipping vehicles and drivers, and contribute to the prevention of industrial accidents by providing factory safety monitoring devices and safety monitoring devices. It can be expected to be widely used.
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/487,948 US7116234B2 (en) | 2002-04-10 | 2003-03-31 | Drowsiness detecting device and waking device operatively connected with the same |
KR1020047004802A KR100760493B1 (ko) | 2002-04-10 | 2003-03-31 | 졸음도 검출장치 및 그것과 연동하는 각성 장치 |
EP03745883A EP1477117A4 (en) | 2002-04-10 | 2003-03-31 | TIRED THICKNESS DETECTOR AND ASSOCIATED EFFORT DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-107337 | 2002-04-10 | ||
JP2002107337A JP3908583B2 (ja) | 2002-04-10 | 2002-04-10 | 眠気度検出装置及びそれと連動した覚醒装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003084403A1 true WO2003084403A1 (fr) | 2003-10-16 |
Family
ID=28786462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/004084 WO2003084403A1 (fr) | 2002-04-10 | 2003-03-31 | Detecteur de somnolence et unite de reveil interconnectee |
Country Status (6)
Country | Link |
---|---|
US (1) | US7116234B2 (ja) |
EP (1) | EP1477117A4 (ja) |
JP (1) | JP3908583B2 (ja) |
KR (1) | KR100760493B1 (ja) |
CN (1) | CN1299645C (ja) |
WO (1) | WO2003084403A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008246040A (ja) * | 2007-03-30 | 2008-10-16 | Shinshu Univ | 三叉神経固有知覚枝刺激装置 |
US20210393185A1 (en) * | 2018-11-09 | 2021-12-23 | Sumitomo Bakelite Co., Ltd. | Biomedical electrode, biomedical sensor, and biomedical signal measurement system |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1838549B1 (de) * | 2005-01-19 | 2008-04-09 | Takata-Petri AG | Lenkradbaugruppe für ein kraftfahrzeug |
US7301465B2 (en) * | 2005-03-24 | 2007-11-27 | Tengshe Vishwas V | Drowsy driving alarm system |
JP5065275B2 (ja) * | 2005-09-02 | 2012-10-31 | エムセンス コーポレイション | 組織内の電気的活動を検知する装置及び方法 |
WO2007121769A1 (en) | 2006-04-26 | 2007-11-01 | Analisi Tecnologica Innovadora Per A Processos Industrials Competitius, S.L. | System and method for detecting the heart beat rate of a person in a vehicle, and system and method for detecting fatigue |
DE102006057424A1 (de) * | 2006-12-06 | 2008-06-12 | Robert Bosch Gmbh | Verfahren und Anordnung zur Warnung des Fahrers |
EP2363067B1 (en) * | 2007-01-19 | 2016-01-06 | Asahi Kasei Kabushiki Kaisha | Arousal state classification model generating device, arousal state classifying device, and warning device |
CN101610716B (zh) * | 2007-02-13 | 2011-10-19 | 皇家飞利浦电子股份有限公司 | 用于测量用户的唤醒的设备和方法 |
US20080266119A1 (en) * | 2007-04-30 | 2008-10-30 | Kallis Hans Mannik | Ultimate improvement in high way safety |
KR100958166B1 (ko) * | 2007-08-13 | 2010-05-14 | 부산대학교 산학협력단 | 졸음탐지장치 및 방법 |
US8825304B2 (en) | 2010-06-30 | 2014-09-02 | Microsoft Corporation | Mediation of tasks based on assessments of competing cognitive loads and needs |
JP2012196333A (ja) * | 2011-03-22 | 2012-10-18 | Meijo Univ | 高齢者の居眠り運転防止の方法および装置 |
WO2014001928A2 (en) | 2012-06-27 | 2014-01-03 | Koninklijke Philips N.V. | System and method for enhancing alertness. |
EP2881133B1 (en) | 2012-07-31 | 2020-11-04 | Sony Corporation | Content output device |
CN102848918B (zh) * | 2012-08-31 | 2015-08-12 | 闽南师范大学 | 基于生理信号采集的疲劳驾驶检测控制系统及其控制方法 |
KR20150037251A (ko) | 2013-09-30 | 2015-04-08 | 엘지전자 주식회사 | 착용형 컴퓨팅 디바이스 및 사용자 인터페이스 방법 |
KR102094965B1 (ko) | 2013-12-30 | 2020-03-31 | 삼성디스플레이 주식회사 | 각성 안경, 차량용 미러 유닛 및 표시장치 |
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KR101659027B1 (ko) * | 2014-05-15 | 2016-09-23 | 엘지전자 주식회사 | 이동 단말기 및 차량 제어 장치 |
CN105125174A (zh) * | 2015-08-03 | 2015-12-09 | 刘天键 | 一种可重构眼镜式疲劳检测设备及软件处理方法 |
CN105225421A (zh) * | 2015-10-10 | 2016-01-06 | 英华达(南京)科技有限公司 | 疲劳驾驶控制系统及方法 |
CN105662422B (zh) * | 2016-02-26 | 2018-07-27 | 厦门大学 | 一种眨眼频率测量装置 |
US10065651B2 (en) | 2016-05-10 | 2018-09-04 | Samsung Electronics Co., Ltd | Electronic device and method for determining a state of a driver |
DE102017011509A1 (de) * | 2017-12-13 | 2019-06-13 | Zeki Okyay | Sekundenschlafwarngerät |
US20220274604A1 (en) * | 2021-02-26 | 2022-09-01 | NearField Atomics Inc. | Systems and methods to keep drivers, pilots, or others alert or focused by electromagnetic delivery of signals |
EP4291911A1 (en) | 2021-03-22 | 2023-12-20 | Nearfield Atomics Inc. | Systems and methods for measuring magnetic fields from solvated target molecules using a magnetoresistive sensor |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58173535A (ja) * | 1982-04-06 | 1983-10-12 | 三菱電機株式会社 | 眠気検出装置 |
JPH02220627A (ja) * | 1989-02-21 | 1990-09-03 | Toyota Autom Loom Works Ltd | 眼球運動検出方法及び居眠り検出・防止装置 |
JPH08300977A (ja) * | 1995-05-02 | 1996-11-19 | Zexel Corp | 眠り検出装置 |
JPH10170355A (ja) | 1996-12-06 | 1998-06-26 | Kagaku Gijutsu Shinko Jigyodan | 高感度応力検出装置 |
JP2002078684A (ja) * | 2000-09-08 | 2002-03-19 | Japan Science & Technology Corp | 脳機図センサー |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5064410A (en) * | 1984-12-12 | 1991-11-12 | Frenkel Richard E | Stress control system and method |
JPS6346927A (ja) * | 1986-08-14 | 1988-02-27 | Omron Tateisi Electronics Co | 居眠り防止器 |
GB8723540D0 (en) * | 1987-10-07 | 1987-11-11 | Dale R E | Detecting/flexing stress |
WO1993002616A1 (en) * | 1991-08-09 | 1993-02-18 | Srd Shorashim Medical, Ltd. | Apparatus for mounting electrodes |
US5402109A (en) * | 1993-04-29 | 1995-03-28 | Mannik; Kallis H. | Sleep prevention device for automobile drivers |
US6542081B2 (en) * | 1996-08-19 | 2003-04-01 | William C. Torch | System and method for monitoring eye movement |
US6006994A (en) * | 1997-05-12 | 1999-12-28 | Geo Labs, Inc. | Method and apparatus for driving a scan element using a single current pulse |
EP0908860A1 (en) * | 1997-10-13 | 1999-04-14 | Cebollas Y Derivados, S.L. | Device for sensing the opening of the eyelids and the initial sleeping phase |
FR2773521B1 (fr) * | 1998-01-15 | 2000-03-31 | Carlus Magnus Limited | Procede et dispositif pour surveiller en continu l'etat de vigilance du conducteur d'un vehicule automobile, afin de detecter et prevenir une tendance eventuelle a l'endormissement de celui-ci |
AUPP398898A0 (en) * | 1998-06-09 | 1998-07-02 | University Of Queensland, The | Diagnostic method and apparatus |
JP3691263B2 (ja) * | 1998-11-26 | 2005-09-07 | 独立行政法人科学技術振興機構 | 指尖脈波検出装置 |
CN1144166C (zh) * | 1999-06-17 | 2004-03-31 | 现代自动车株式会社 | 瞌睡驾驶警告系统的驾驶员瞌睡检测方法 |
-
2002
- 2002-04-10 JP JP2002107337A patent/JP3908583B2/ja not_active Expired - Fee Related
-
2003
- 2003-03-31 US US10/487,948 patent/US7116234B2/en not_active Expired - Fee Related
- 2003-03-31 KR KR1020047004802A patent/KR100760493B1/ko not_active IP Right Cessation
- 2003-03-31 WO PCT/JP2003/004084 patent/WO2003084403A1/ja not_active Application Discontinuation
- 2003-03-31 EP EP03745883A patent/EP1477117A4/en not_active Withdrawn
- 2003-03-31 CN CNB038012626A patent/CN1299645C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58173535A (ja) * | 1982-04-06 | 1983-10-12 | 三菱電機株式会社 | 眠気検出装置 |
JPH02220627A (ja) * | 1989-02-21 | 1990-09-03 | Toyota Autom Loom Works Ltd | 眼球運動検出方法及び居眠り検出・防止装置 |
JPH08300977A (ja) * | 1995-05-02 | 1996-11-19 | Zexel Corp | 眠り検出装置 |
JPH10170355A (ja) | 1996-12-06 | 1998-06-26 | Kagaku Gijutsu Shinko Jigyodan | 高感度応力検出装置 |
JP2002078684A (ja) * | 2000-09-08 | 2002-03-19 | Japan Science & Technology Corp | 脳機図センサー |
Non-Patent Citations (1)
Title |
---|
See also references of EP1477117A4 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008246040A (ja) * | 2007-03-30 | 2008-10-16 | Shinshu Univ | 三叉神経固有知覚枝刺激装置 |
US20210393185A1 (en) * | 2018-11-09 | 2021-12-23 | Sumitomo Bakelite Co., Ltd. | Biomedical electrode, biomedical sensor, and biomedical signal measurement system |
Also Published As
Publication number | Publication date |
---|---|
JP2003299637A (ja) | 2003-10-21 |
US7116234B2 (en) | 2006-10-03 |
US20040233060A1 (en) | 2004-11-25 |
EP1477117A4 (en) | 2007-07-11 |
CN1299645C (zh) | 2007-02-14 |
EP1477117A1 (en) | 2004-11-17 |
JP3908583B2 (ja) | 2007-04-25 |
KR100760493B1 (ko) | 2007-09-20 |
CN1612712A (zh) | 2005-05-04 |
KR20040053148A (ko) | 2004-06-23 |
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