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公开(公告)号：US4586032A
公开(公告)日：1986-04-29
申请号：US377198
申请日：1982-05-07
CPC分类号： B60K28/066
摘要： A doze warning system has a circuit 20 for producing pulse signals representative of left- and right-hand steering angle variations, circuits 30 and 40 counting the pulse signal and producing a warning signal when the counter value reaches a threshold value, and a circuit 60 for producing a reset signal to clear the counter value when a difference between a number of pulse signals representative of the left-hand steering angle variations and a number of pulse signals representative of the right-hand steering angle variations exceeds a given value, or of a condition wherein the left-hand or right-hand pulse signals inputted exceeds a predetermined pulse number. The reset signal generating circuit detects a steering angle variation in excess of the threshold value in a normal driving condition such as passing through a curved road and produces the reset signal to inhibit production of the warning. By this reset signal generating circuit function, the warning system is prevented from malfunctioning.
摘要翻译： PCT No.PCT / JP81 / 00264 Sec。 371日期1982年5月7日 102（e）日期1982年5月7日PCT提交1981年10月5日PCT公布。 公开号WO82 / 01168 日期：1982年4月15日。打盹警告系统具有电路20，用于产生表示左右舵角变化的脉冲信号，电路30和40对脉冲信号进行计数，并在计数器值达到时产生警告信号 以及电路60，用于产生表示左侧转向角变化的脉冲信号的数量与表示右侧转向角变化的脉冲信号的数量之间的差异的清除计数器值的复位信号 超过给定值，或者输入的左手或右手脉冲信号超过预定脉冲数的条件。 复位信号发生电路在通过弯曲道路的正常行驶条件下检测超过阈值的转向角变化，并产生复位信号以抑制警告的产生。 通过该复位信号发生电路功能，防止警告系统发生故障。
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公开(公告)号：US4450438A
公开(公告)日：1984-05-22
申请号：US309012
申请日：1981-10-05
CPC分类号： B60K28/066
摘要： According to the present invention there is provided a drowsiness alarm system which comprises: (a) a steering angle pulse generation circuit which produces first and second angle pulses at respective output terminals whenever the steering wheel is rotated clockwise and counterclockwise, respectively, through an angle equal to a predetermined angular increment; (b) curved road detection circuit responsive to the first and second steering pulses which counts the number of the first and second steering pulses separately and detects whether the vehicle travels on a curved road depending on whether the counted number of either of the first and second steering pulses reaches a first predetermined number within a predetermined period of time or depending on whether the difference of the counted number between the first and second steering angle pulses reaches a second predetermined number within the predetermined period of time; (c) a first counting circuit which counts the number of the first and second steering angle pulses within the predetermined period of time and outputs a first alarm signal whenever the counted number reaches a third predetermined number; (d) a second counting circuit responsive to the curved road detection circuit which counts the number of the first and second steering angle pulses and outputs a second alarm signal whenever the counted number reaches a fourth predetermined number greater than the third predetermined number; and (e) an alarm unit which produces an alarm to the driver in response to the first or second alarm signal.
摘要翻译： 根据本发明，提供了一种嗜睡警报系统，其包括：（a）转向角脉冲发生电路，其在方向盘分别顺时针方向和逆时针方向分别旋转角度时，在各输出端产生第一和第二角度脉冲 等于预定的角度增量; （b）弯曲道路检测电路，其响应于分别对第一和第二转向脉冲的数量进行计数的第一和第二转向脉冲，并且根据第一和第二转向脉冲的计数数目来检测车辆是否在弯曲道路上行驶 转向脉冲在预定时间段内达到第一预定数量，或者取决于第一和第二转向角脉冲之间的计数值的差是否在预定时间段内达到第二预定数量; （c）第一计数电路，其在所述预定时间段内对所述第一和第二转向角脉冲的数量进行计数，并且每当所计数的数量达到第三预定数量时输出第一报警信号; （d）第二计数电路，响应于曲线道路检测电路，其对第一和第二转向角脉冲的数量进行计数，并且每当计数的数量达到大于第三预定数量的第四预定数量时，输出第二报警信号; 和（e）警报单元，其响应于第一或第二警报信号向驾驶员产生警报。
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3.发明授权Alarm system and method for sensing a stand-by state in a driver drowsiness detection system 失效用于感测驾驶员睡意检测系统中的待机状态的报警系统和方法
公开(公告)号：US4611199A
公开(公告)日：1986-09-09
申请号：US580177
申请日：1984-02-15
CPC分类号： A61B5/18 , B60K28/066 , G08B21/06
摘要： A drowsiness alarm system and method for use in automotive vehicles is set to a stand-by state in response to a specific sequence of steering wheel maneuvers which may reflect driver drowsiness, for example, a relatively long period during which the steering wheel is not turned followed by an abrupt steering adjustment. From the standby state, an alarm or display alerting the driver will be generated in response to another sequence of steering maneuver confirming driver drowsiness. The second sequence of maneuvers may be selected from among a number of conventional steering behavior criteria. If driver drowsiness is not confirmed within a predetermined period of time after initiation of the stand-by state, the system is reset to its initial state.
摘要翻译： 响应于可以反映驾驶员嗜睡的特定顺序的方向盘机动，例如在方向盘未转动的较长时间段内，将用于机动车辆的困倦警报系统和方法设置为待机状态 其次是突然转向调整。 从待机状态，响应于确定驾驶员困倦的另一个转向操纵顺序，将产生警报或显示警报。 可以从多个常规转向行为标准中选择第二动作顺序。 如果在开始待机状态之后的预定时间段内没有确认驾驶员嗜睡，则将系统重置为初始状态。
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公开(公告)号：US4581607A
公开(公告)日：1986-04-08
申请号：US580174
申请日：1984-02-15
CPC分类号： B60K28/066 , G08B21/06
摘要： A system and method for detecting driver drowsiness on the basis of steering pulses, each steering pulse being produced whenever a steering wheel is rotated through a predetermined angle and indicating the direction of rotation of the steering wheel, comprising means for detecting the roughness of the road surface on which the vehicle is travelling and interrupting the detection of driver drowsiness for a fixed interval of time when the road surface roughness exceeds an acceptable level, i.e. a level conductive to accurate drowsiness detection.
摘要翻译： 一种用于基于转向脉冲来检测驾驶员困倦的系统和方法，每当方向盘旋转预定角度并指示方向盘的旋转方向时，产生每个转向脉冲，包括用于检测道路粗糙度的装置 在路面粗糙度超过可接受水平的固定时间间隔，即导通到准确的睡意检测的水平时，中断车辆行驶的表面，并且中断驾驶员睡意的检测。
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公开(公告)号：US4518954A
公开(公告)日：1985-05-21
申请号：US377268
申请日：1982-05-06
CPC分类号： B60K28/066
摘要： A warning device detects abrupt steering when the driver is dozing at the wheel and recognizes dozing of the driver to give a warning. The warning device comprises a sensor 20 for detecting steering variation angle, circuit 120, 130 for detecting abrupt steering based on detected right- and left-hand steering angle variations, and circuits 142, 146 for operating a warning means 30 when abrupt steering to the left and abrupt steering to the right are consecutively detected within a given period.
摘要翻译： PCT No.PCT / JP81 / 00246 Sec。 371日期1982年5月6日 102（e）日期1982年5月6日PCT提交1981年9月21日PCT公布。 出版物WO82 / 00979 日期：1982年4月1日。当驾驶员在车轮上打瞌睡时，警告装置检测到突然的转向，并且识别驾驶员的打瞌睡以发出警告。 警报装置包括用于检测转向变化角的传感器20，用于基于检测到的右侧和左侧转向角变化检测突然转向的电路120,130以及用于当突然转向 在给定时间内连续检测到右侧的突然转向。
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公开(公告)号：US4342279A
公开(公告)日：1982-08-03
申请号：US177995
申请日：1980-08-14
摘要： A device for detecting steering angle and steering direction of a steering wheel in an automotive vehicle, includes a pair of fixed contacts and a movable contact. The movable contact is arranged in connection with the fixed contacts in such a way that, when the steering wheel rotates in one direction, the movable contact engages only the first fixed contact, and when the steering wheel rotates in the opposite direction, the movable contact engages only the second fixed contact. Upon the basis of signals produced whenever the movable contact contacts one of the fixed contacts, the steering angle and steering direction are detected.
摘要翻译： 一种用于检测机动车辆中的方向盘的转向角和转向方向的装置，包括一对固定触点和可动触点。 活动触头与固定触点相连接地设置成使得当方向盘沿一个方向旋转时，可动触点仅与第一固定触点接合，并且当方向盘沿相反方向旋转时，可动触点 仅接触第二固定触点。 基于每当可动触点接触固定触点之一时产生的信号，检测转向角和转向方向。
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7.发明授权Method and system for detection of driver drowsiness by an abrupt steering change following no steering movement 失效在没有转向运动之后突然转向改变来检测驾驶员困倦的方法和系统
公开(公告)号：US4594583A
公开(公告)日：1986-06-10
申请号：US580178
申请日：1984-02-15
CPC分类号： B60K28/066 , A61B5/18 , G08B21/06
摘要： A drowsiness alarm system for a vehicle detects and signals that the vehicle driver is drowsy on the basis of the duration during which no steering adjustments are made and the magnitude and speed of abrupt steering adjustments immediately following the non-steering period. Parameters compared to the magnitude and speed of the abrupt steering adjustments in order to recognize steering behavior reflecting drowsiness are adjusted in accordance with the duration of the non-steering period.
摘要翻译： 用于车辆的困倦警报系统根据不进行转向调整的持续时间以及在非转向时刻之后的突然转向调节的大小和速度来检测并发出指示车辆驾驶员困倦的信号。 根据非转向周期的持续时间来调节与突然转向调整的大小和速度相比较的参数，以便识别反映嗜睡的转向行为。
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公开(公告)号：US4555694A
公开(公告)日：1985-11-26
申请号：US384029
申请日：1982-06-01
CPC分类号： G02B6/0021 , B60Q3/044 , B60Q3/046 , G02B6/0076 , G02B6/0018
摘要： A sensor responsive display device includes a common display section for displaying various messages and/or warnings for a given period of time, and plural individual display sections, each corresponding to one of the messages and/or warnings displayed in the common display section.
摘要翻译： 传感器响应显示装置包括用于在给定时间段内显示各种消息和/或警告的公共显示部分，以及各自对应于在公共显示部分中显示的消息和/或警告之一的多个单独显示部分。
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公开(公告)号：US4496938A
公开(公告)日：1985-01-29
申请号：US326392
申请日：1981-12-01
CPC分类号： B60K28/066
摘要： A drowsiness alarm system for a vehicle detects the driver's increasing state of drowsiness on a basis of abnormal steering change repetitions for a fixed period of time in a monotonous driving state defined, for example, as the gear shift lever being placed at an overdrive or top position. The alarm system produces an alarm to the driver to prevent the driver from increasing the state of drowsiness. The drowsiness alarm system according to the present invention comprises: (a) a steering signal generator which generates a signal corresponding to the change of an angle through which the steering wheel is rotated; (b) a monotonous driving-state detector which detects and signals that the vehicle is traveling in a monotonous driving state; (c) a discriminator which compares the change of steering signal level from said steering signal generator for a fixed period of time with a reference value; and (d) an alarm pulse generator which outputs an alarm pulse into an alarm circuit producing an alarm in response to the input alarm pulse when the output signal from the discriminator indicating the change of steering signal for the fixed period of time exceed the reference voltage.
摘要翻译： 用于车辆的睡意报警系统在单调驾驶状态下，基于异常转向重复在固定时间段内检测驾驶员的瞌睡状态，例如，当变速杆被放置在超速行驶或顶部时 位置。 警报系统向驾驶员发出警报，以防止驾驶员增加嗜睡状态。 根据本发明的嗜睡警报系统包括：（a）转向信号发生器，其产生对应于方向盘旋转的角度变化的信号; （b）单调驾驶状态检测器，其检测并发出车辆在单调驾驶状态下行驶的信号; （c）鉴别器，其将来自所述转向信号发生器的转向信号电平的变化与固定时间段进行比较; 和（d）报警脉冲发生器，当来自指示固定时间段的转向信号变化的鉴别器的输出信号超过参考电压时，报警脉冲发生器响应于输入报警脉冲而将报警脉冲输出到报警电路中，产生报警 。
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10.发明授权Method and system for detecting driver fatigue including differentiation of effects of rest periods 失效检测驾驶员疲劳的方法和系统，包括休息期效果的分化
公开(公告)号：US4602247A
公开(公告)日：1986-07-22
申请号：US580176
申请日：1984-02-15
摘要： A fatigue alarm system and method for an automotive vehicle driver is adapted to measure periods of time during which the vehicle is driven and to subtract therefrom periods of time during which the driver rests. The driver rest periods are distinguished from brief stops of the vehicle in order to accurately measure the adjusted period of driving time. In order to distinguish rest periods from brief traffic stops, the duration of vehicle stops are measured and compared with a given value. When the vehicle stop periods are shorter than the given value, the vehicle is judged to be stopped briefly, i.e. that the driver is not resting, and the measured driving period is incremented by the measured vehicle stop period. On the other hand, when the stop periods are longer than the given value, the driver is judged to be resting. In this case, the measured stop time is subtracted from the measured driving time after being adjusted by a suitable proportionality factor. The result of measurement is visually displayed by means of a plurality of fatigue level indicator segments. The threshold levels at which each indicator segment is activated or deactivated in adjusted in accordance with its current activation state in order to avoid hunting thereof.
摘要翻译： 用于机动车辆驾驶员的疲劳警报系统和方法适于测量车辆被驱动的时间段，并且减去驾驶员休息的时间段。 驾驶员休息时间与车辆的短暂停车区分开来，以便精确地测量驾驶时间的调整时间。 为了区分休息时间与短暂的交通站点，车辆停车时间被测量并与给定值进行比较。 当车辆停止期间短于给定值时，判断车辆短暂停止，即驾驶员不休息，并且将测量的行驶期间增加测量的车辆停止期间。 另一方面，当停止时间长于给定值时，判断驾驶员休息。 在这种情况下，在通过适当的比例因子调整后，从测量的驾驶时间中减去测量的停止时间。 通过多个疲劳水平指示器段可视地显示测量结果。 根据其当前的激活状态来调整每个指示符段被激活或去激活的阈值水平，以避免它们的捕获。
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