GB2394288A - Vehicle steering wheel indicating physical state of driver - Google Patents
Vehicle steering wheel indicating physical state of driver Download PDFInfo
- Publication number
- GB2394288A GB2394288A GB0218860A GB0218860A GB2394288A GB 2394288 A GB2394288 A GB 2394288A GB 0218860 A GB0218860 A GB 0218860A GB 0218860 A GB0218860 A GB 0218860A GB 2394288 A GB2394288 A GB 2394288A
- Authority
- GB
- United Kingdom
- Prior art keywords
- control device
- machine
- operator
- data signals
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
- B60K28/06—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
- B60K28/063—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver preventing starting of vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
- B60K28/06—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
- B60K28/066—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver actuating a signalling device
-
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/14—Yaw
-
- 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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/18—Steering angle
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Hospice & Palliative Care (AREA)
- Developmental Disabilities (AREA)
- Child & Adolescent Psychology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Educational Technology (AREA)
- Social Psychology (AREA)
- Psychology (AREA)
- Psychiatry (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
A vehicle control device 100 includes sensors 101 measuring physiological parameters of a driver and provides an indication of the physical state of the driver. Sensors 101 are mounted on the steering wheel 100 and measure skin conductivity, blood pressure, ECG, heart rate etc. Sensors may also measure force applied to the wheel. Changes in the behaviour of the driver between initial and current readings that exceed a predetermined threshold are indicated (e.g. by an alarm). Other data relating to the vehicle status may be measured. Additionally the identity of the driver is verified using measurements such as a retina scan, fingerprinting or voice recognition. The vehicle may be disabled if the identified driver is not authorised. More generally, the indication of the physical state of an operator of a machinery control system is disclosed.
Description
i Bio-Sensiiive Machinery Control T he present invention relates to
machinery control systems which are capable of monitoring and responding to the biological state of an Operator of a machine, and 5 mc->re specifically, to a steering wheel for a motor vehicle which is capable of responding to the bic>logieal state of an operator of the vehicle.
l It is becoming rccc>gnised that an appreciable number of motor vehicle accidents which involve an apparently inexplicable loss of control <:>f a mechanically sound 1 0 vehicle are in feet due to the driver eonecrned falling asleep. Indeed, one now sees signs on mc>torways and trunk roads advising drivers to "take a break: tiredness l;ills".
A well-known system for preventing a train or crane running out of control in the event of a collapse of its driver is the s<>-ealled "Dead Man's" handle, which is a 15 spring-loaded lever that the driver has to keep pressed down to maintain a control switch closed. Variations ->n this theme have been applied to motor vehicles, for example Specification W() 9(>22897 discloses a system in which a ear steering wheel
includes an annular switch which is biased to an open state with the switch operating ring urged away from the steering wheel rim. A driver of the vehicle has to> apply 20 pressure to keep the switch closed. Should he fall asleep or release his grip on the steering wheel, the switch is opened which activates a visual and audible warning system. Spceifieation W() 9X()6077 discloses a similar system.
Other systems monitor the frequency and/c>r nature of steering movements: examples 25 of such systems are disclc>secl in specifications UP 0117497 and 1-1' ()119486.
Specification ID t)117497 discloses a system which infers a condition of driver
<drowsiness when the imbalance between the number of steering impulses in c>ne direction and those in the other directic>n within a given time interval exceeds a 30 predetermined value.
Sipecifcation EP ()1194Y,G discloses a system, which infers a condition of driver drowsiness by measuring the duration of periods when no driving impulses occur and the magnitude and speed of steering impulses when they do occur.
lrivcr fatigue detectors of the first tripe have the disadvantages that the need to grip a steering wheel rclati:cly tightly can affect the delicacy of control of the vehicle, which is undesirable in adverse weather conditions. Also the need to maintain a continual grip on the steering wheel over an extended period can cause muscular 10 discomfort, particularly to drivers who suffer from arthritis or similar muscular complaints. Systems of the second type do not suffer from this disadvantage, but may be confused by irregular road surfaces.
My published patent application GB 2,346,998 discloses a system for detecting fatigue of the driver of a vehicle by mcasuing an initial pattern of control force impulses applied by the driver of a vehicle to its steering wheel, storing the initial pattern of control forct s, comparing these with a later determinctl pattern of control 20 forces and operating an alarm when the diffcrcncc between the two patterns of control forces exceeds a predetermined value. The control forces are determined by a force sensor which consists of at least one fluid-filled flexible chamber which is incorporated into the steering wheel and connected to some form of transducer which converts changes in the pressure within the chamber to electrical signals.
It is an object <>f the present invention to extend the principle of the invention of the in\cotic>n disclosed in patent application (13 2,34(,,9') t; to enable there to he monitored other biological parameters of an operator of a machine which may be indicative of his or her capability of controlling a machine effectively.
According to the present invention there is pro\ ided a control device for a machine wherein the control device includes sensors adapted to produce data signals related to biological parameters of an operator of the machine, thereby to provide an indication of the physical state of the operator of the machine.
the control device may include sensors adapted to verify the identity of a person seeking to operate the machine. I;or example, the control device may include a sensor adapted to identify the finger print or retina seen of a would-be operator of the 5 machine and provide data signals related thereto which can be compared with stored data signals derived from authorised operators of the machine to verify that the would-be operator of the machine is a permitted operator of the machine. A similar function could be provided by incorporating a microphone into the control device so as to proside for the identification of a would-be cperatc>r <>f the machine by voice 10 pattern recognition techniques.
1 he control device may include sensors adapted to determine the conductivity, capacitance and/or temperature of the skin of the hands of an operator of the machine, all of which parameters are a function of the state of being of the operator of the 15 machine. Other parameters which are of importance in monitoring the impairment and/or health and stress levels are the Electroencephalogram (E,(), Electromyogram (EMCEE), Electrocardiogram (I.K() signals, blood pressure and pulse rate of an operator of the vehicle and the control device or vehicle may include sensors adapted to provide an indicatic>n of these parameters also.
Data infc>rmatic>n from the sensors could be via a direct connection, network or transceiver links similar to thc>se used in dispersed data processing and the vehicle and the control device may be fitted with other sensors, which are adapted tc> monitor changes in the vehicle or operator. Preferably the control device and vehicle sensors are connected via network and/or transceiver links, similar to> those used in dispersed data prc>cessing systems, an example of such net-work systems are known lay the designation (-AN or lluctooth, to a data processing system remote from the control device.
3() A fc>rm of machine to which the invention is particularly applicable is a motor vehicle and in which case, the control device is the steering wheel of the vehicle.
The invention will now be described, by way of example, with reference to the accompanying drawings, which is a block circuit diagram of a motor vehicle driver 35 monitoring system embodying the invention.
Referring to the drawing, a system for monitoring changes in the biological state of a driver of a motor v chicle includes a steering wheel 1()0 which incorporates a number of transducers 1()1 which produce data signals which are indicative:'f biological 5 parameters of a driver of the vehicle of which the steering wheel 100 forms a part.
The transducers 1()1 may include electrically conductive pads and/or non contact sensors l set into the rim 102 of the steering wheel 1()() so as to enable the skin impedance l charge and/or l-.l\I(,, signals of the hands of the driver of the vehicle to be measured.
Other of the transducers 101 may be pressure sensitive transducers, so as to 10 measure the force with which the driver grips the steering wheel, and yet others of the transducers 1()1 may be adapted to measure the pulse rate, blood pressure and/or temperature of the operator of the motor vehicle. 'I'he above parameters provide an indication of the phi sical state of the driver of the vehicle.
15 The output biological data signals from the transducers 101 are applied to an interface unit 1()3 which provides signal interface conditioning, analogue to digital conversion, and signal processing before passing the biological data signals to a processor unit 104 which also includes clock and calendar functions. 'I'he clock/calendar provides information relevant to the duration <>f a journey, periods when the vehicle is stationary and the timing 20 in order to identify the operators circadian low points. The interface unit 1()3 also communicates with an expansic>n interface 106 which c<->mmunicates with further sensors that provide data information about various vehicle parameters. The processor unit 1()4 and interface unit l ().3 may include such technologies as neural nctw<-'rks or fuzzy logic.
25 The processor unit 1()4 is adapted to process the biological data signals from the transducers 101 and the other data signals commmicated via the transceiver 1()5 and the expansion interface l ()6. These other data signals may include data signals relating to iclcutification parameters such as fingerprints, voice prints or retina scans of authorised drivers of the motor vehicle and the transducers 1()1 associated with the steering wheel 100 of the motor vehicle may include transducers adapted to determine 3() these parameters for any would-be driver of the vehicle. lathe processor unit 104 may then be adapted to compare the stored operator identification parameter data signals with those determined by the transducers 101 and disable the vehicle if, the mismatch
between the two sets of operator identification parameter data signals exceeds a pre determined amount so as tc' provide a security function for the vehicle concerned.
5 When a driver first begins to drive the vehicle, the transducers 101 determine their appropriate parameters and pass them to the processor unit 104 in which they are stored to provide a sensc>r for the driver concerned. Inch person has a different pattern of biological parameters and by the above process the processor unit 104 calibrates itself in relation to any driver of the vehicle. lthe processor unit 104 is 10 adapted to sample the outputs from the transducers 101 at regular intervals and compare the later values of the driver's biological parameters with those determined initially. h<-'uld the two sets of biological parameters differ by more than a statistically determined amount, then the processor unit is adapted to provide a warning or control signal.
In the specific case of a motor vehicle, other parameters which can be monitored via the expansion interface 1()6 or the data transceiver 1()5 are the road speed, turning, motions of the steering wheel, the degree of rob of the body of the vehicle, distance traveled, operation of the wipers, lights (including fog), indicators, horn and positional 20 information relating tr, the vehicle, derived either by (>ll'S signals ancl/or a gyro that detects angular acceleration or yaw movement of the vehicle L:nlike the invention of our previous application GB2,346,!))8 which is for the detection of machine operator fatigue specifically, the present invention can detect 25 and respond to other debilitating car pctforrnance affecting conditions such as the onset of severe migraine, epilepsy, stroke, stress (possibly leading to road rage), alcohol or druginduced behavioral changes.
In addition to motor vehicles, the invention may be used in conjunction with any machine, which operates within defined limits under the control of a human operator.
Claims (1)
- ! CLAIMS1. A control device for a machine wherein the control device includes sensors 5 adapted to produce data signals related to biological parameters of an <>perator of the machine, thereby to provide an indication calf the physical state of an operator of the machine.2. A control device according to (claim 1 wherein the control device includes lo sensors adapted to provide data signals indicative of the electrical characteristics of the skin of an operator of the machine.3. A control device according to Claims I or (laim 2 wherein the control deviceincludes a sensor adapted to provide data signals indicative of the skin 5 temperature of an operator of the machine.4. A control device according to Claim 1, Claim 2 or Claim 3 wherein the control device includes sensors adapted to provide data signals indicative of the blood pressure and/or pulse rate of an operator of the machine.S. A control device according to any preceding claim wherein the control device is adapted to include means for verifying the identity of a would be operator of the machine.25 (hi A control device accc.lrding to Claim 5 wherein the control device includes means for producing data signals indicative of a physical characteristic calf a would-be operator of the machine and there is included a data store adapted to store data indicative Of the corresponding physical characteristic of an authorised operator of the machine, means for comparing the two sets of data 30 indicative of the said physical characteristics of would-be and authorised Operators of the machine and means for permitting the operation of the machine only if the two sets of operator physical characteristic data are in agreement within statically determined limits.7. A control device according to any- preceding claim in the form of a steering wheel for a vehicle.- 8. A machine monitoring system including a control device according to any preceding claim adapted to interface with a control processing unit which is adapted to analytic and store an initial set of biological parameter data signals produced by the control device, sample at intervals the biological parameter lo data signals produced by the control device, compare the sets of original and later sampled biological parameter data signals and produce an indication when the difference between the two exceed a pre-determined threshold.9. control system according to Claim X wherein the control processing unit is 15 adapted to interface with other sensors adapted to produce data signals related to the status of the machine, time and distance traveled.10. control system according to Claim 8 or Claim 9 wherein the control device is the steering wheel of a vehicle.11. A control system according to claim 11) when dependent on (claim 9 wherein I the vehicle includes sensors adapted to produce data signals related to the speed, angle of body roll, position in relation to the edges of the road on which it is traveling and angle of turn of the steering wheel of the vehicle.12. control device for a machine substantially as hereinbeforc described and with relation to the accompanying drawing.13. A control system for a machine substantially as hereinhefore described and 30 with reference to the accompanying drawing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0218860A GB2394288A (en) | 2002-08-14 | 2002-08-14 | Vehicle steering wheel indicating physical state of driver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0218860A GB2394288A (en) | 2002-08-14 | 2002-08-14 | Vehicle steering wheel indicating physical state of driver |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0218860D0 GB0218860D0 (en) | 2002-09-25 |
GB2394288A true GB2394288A (en) | 2004-04-21 |
GB2394288A8 GB2394288A8 (en) | 2004-05-05 |
Family
ID=9942269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0218860A Pending GB2394288A (en) | 2002-08-14 | 2002-08-14 | Vehicle steering wheel indicating physical state of driver |
Country Status (1)
Country | Link |
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GB (1) | GB2394288A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2415036A (en) * | 2004-06-09 | 2005-12-14 | Johnson William N H | Security device |
WO2006064073A1 (en) * | 2004-12-16 | 2006-06-22 | Martin Alvarez, Juan Carlos | Device for preventing accidents in the event of drowsiness or inattention on the part of the driver of a vehicle |
DE102006025852A1 (en) * | 2006-06-02 | 2007-12-06 | GM Global Technology Operations, Inc., Detroit | Motor vehicle`s steering wheel, has sensor coupled with power supply for detecting surface conductivity and/or temperature of skin of driver, where sensor measures pulse and/or blood pressure of driver and controls steering wheel heater |
ITVI20090088A1 (en) * | 2009-04-23 | 2010-10-24 | Gianluca Carobene | BIOMETRIC COMMAND AND / OR GUIDE ORGAN |
CN113147393A (en) * | 2021-05-11 | 2021-07-23 | 东风汽车集团股份有限公司 | Method and device for identifying mistaken stepping of automobile accelerator pedal |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0545497A1 (en) * | 1991-12-06 | 1993-06-09 | Philips Electronics Uk Limited | Control system for a vehicle |
WO1999032317A1 (en) * | 1997-12-19 | 1999-07-01 | Northrop Grumman Corporation | Vehicle theft and intoxication lockout and sleep monitor |
GB2343954A (en) * | 1998-11-18 | 2000-05-24 | Edward James Andrews | Vehicle component human condition monitoring system |
WO2001062534A2 (en) * | 2000-02-22 | 2001-08-30 | Park Won Hee | Driver condition monitoring apparatus |
JP2002104013A (en) * | 2000-10-03 | 2002-04-09 | Mitsubishi Motors Corp | Driver physical condition monitor |
GB2371396A (en) * | 2000-10-04 | 2002-07-24 | John William Thomas Harris | Driver drowsiness monitor and recognition system |
US6446127B1 (en) * | 1998-10-30 | 2002-09-03 | 3Com Corporation | System and method for providing user mobility services on a telephony network |
GB2385696A (en) * | 2002-02-21 | 2003-08-27 | Harry Duncan Macdonald | Driver monitoring system detecting pulse, pressure or temperature of the driver |
-
2002
- 2002-08-14 GB GB0218860A patent/GB2394288A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0545497A1 (en) * | 1991-12-06 | 1993-06-09 | Philips Electronics Uk Limited | Control system for a vehicle |
WO1999032317A1 (en) * | 1997-12-19 | 1999-07-01 | Northrop Grumman Corporation | Vehicle theft and intoxication lockout and sleep monitor |
US6446127B1 (en) * | 1998-10-30 | 2002-09-03 | 3Com Corporation | System and method for providing user mobility services on a telephony network |
GB2343954A (en) * | 1998-11-18 | 2000-05-24 | Edward James Andrews | Vehicle component human condition monitoring system |
WO2001062534A2 (en) * | 2000-02-22 | 2001-08-30 | Park Won Hee | Driver condition monitoring apparatus |
JP2002104013A (en) * | 2000-10-03 | 2002-04-09 | Mitsubishi Motors Corp | Driver physical condition monitor |
GB2371396A (en) * | 2000-10-04 | 2002-07-24 | John William Thomas Harris | Driver drowsiness monitor and recognition system |
GB2385696A (en) * | 2002-02-21 | 2003-08-27 | Harry Duncan Macdonald | Driver monitoring system detecting pulse, pressure or temperature of the driver |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2415036A (en) * | 2004-06-09 | 2005-12-14 | Johnson William N H | Security device |
WO2006064073A1 (en) * | 2004-12-16 | 2006-06-22 | Martin Alvarez, Juan Carlos | Device for preventing accidents in the event of drowsiness or inattention on the part of the driver of a vehicle |
DE102006025852A1 (en) * | 2006-06-02 | 2007-12-06 | GM Global Technology Operations, Inc., Detroit | Motor vehicle`s steering wheel, has sensor coupled with power supply for detecting surface conductivity and/or temperature of skin of driver, where sensor measures pulse and/or blood pressure of driver and controls steering wheel heater |
ITVI20090088A1 (en) * | 2009-04-23 | 2010-10-24 | Gianluca Carobene | BIOMETRIC COMMAND AND / OR GUIDE ORGAN |
CN113147393A (en) * | 2021-05-11 | 2021-07-23 | 东风汽车集团股份有限公司 | Method and device for identifying mistaken stepping of automobile accelerator pedal |
CN113147393B (en) * | 2021-05-11 | 2022-09-16 | 东风汽车集团股份有限公司 | Method and device for identifying mistaken stepping of automobile accelerator pedal |
Also Published As
Publication number | Publication date |
---|---|
GB2394288A8 (en) | 2004-05-05 |
GB0218860D0 (en) | 2002-09-25 |
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