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    • 3. 发明授权
    • Method and apparatus for monitoring the operation of a
computer-controlled operating element, particularly triggered safety
apparatus for an automotive vehicle
    • 用于监测计算机控制的操作元件的操作的方法和装置,特别是用于机动车辆的触发安全装置
    • US4864202A
    • 1989-09-05
    • US107379
    • 1987-10-09
    • Werner NitschkeHugo WellerWolfgang DrobnyPeter TauferEdmund Jeenicke
    • Werner NitschkeHugo WellerWolfgang DrobnyPeter TauferEdmund Jeenicke
    • G05B9/02B60R21/01B60T8/88B60T17/22G05B23/02G06F11/00
    • B60R21/0173B60T17/22B60T8/885G06F11/0763G06F11/0796B60T2270/406
    • To prevent spurious operation of a controlled operating element (12), typically a safety element which can be irreversibly triggered, such as a trigger or firing cartridge of a passenger restraint airbag, while providing for reliable operation in case of a crash of a vehicle in which the airbag is installed, a control signal is derived from a computer (10) processing input signals. The transmission of the control signals from the computer (10) to the operating element (12) is through a time delay stage (30) which has a time delay of sufficient length to permit the computer to correct, if necessary, signals from its output (16) and to carry out tests on the output signals from the computer apparatus. An evaluation circuit (18) continuously compares the output signals with check values. The check values may be derived from, for example a second computer similar to the computer, or from stored representative values. If the comparison indicates coincidence, the operating control signal from the computer is transmitted to the operating element (12). If, however, e.g. due to extraneous disturbances, a deviation between the test samples and the signals derived from the output (16) of the computer indicates a deviation, transmission of the control signals from the computer (10) to the operating element (12) is prevented, and the computer is controlled to repeat its computation, or part of a computation cycle.
    • 为了防止受控操作元件(12)的杂散操作,通常是可以不可逆地触发的安全元件,例如乘客约束气囊的触发器或发射筒,同时在车辆碰撞的情况下提供可靠的操作 气囊被安装在控制信号上,来自计算机(10)的处理输入信号。 控制信号从计算机(10)传输到操作元件(12)的时间延迟阶段(30),其具有足够长的时间延迟,以允许计算机在需要时校正来自其输出端的信号 (16),并对来自计算机装置的输出信号进行测试。 评估电路(18)连续地将输出信号与检查值进行比较。 检查值可以从例如类似于计算机的第二计算机或从存储的代表值导出。 如果比较指示一致,来自计算机的操作控制信号被传送到操作元件(12)。 但是, 由于外部干扰,测试样本与从计算机的输出(16)导出的信号之间的偏差指示偏差,防止从计算机(10)到操作元件(12)的控制信号的传输,以及 控制计算机重复其计算或计算周期的一部分。
    • 4. 发明授权
    • Safety system for motor-vehicle occupants
    • 电动车辆安全系统
    • US5176214A
    • 1993-01-05
    • US777413
    • 1991-11-25
    • Peter TauferEdmund JeenickeKnut Balzer
    • Peter TauferEdmund JeenickeKnut Balzer
    • B60R21/16B60R21/01
    • B60R21/01
    • The invention relates to a safety system for motor-vehicle occupants, in particular a restraint system, such as an airbag, belt tighteners, etc., which has at least one tripping sensor that exhibits a response time, one processing unit, and one final firing stage for activating the safety system. To protect against spurious tripping, an inhibiting circuit (21) is proposed, which is triggered by the processing unit (2). It cancels an interlock of the final firing stage (5) only after an interlocking enable time (t.sub.v) has elapsed, whereby the interlocking enable time (t.sub.v) is shorter than the response time (t.sub.a) of the tripping sensor (1).
    • PCT No.PCT / DE90 / 00466 Sec。 371日期:1991年11月25日 102(e)1991年11月25日日期PCT提交1990年6月20日PCT公布。 公开号WO91 / 00813 日本1991年1月24日。本发明涉及一种机动车辆乘员的安全系统,特别是具有至少一个展现响应时间的跳闸传感器的安全气囊,带束紧器等约束系统, 一个处理单元和一个用于启动安全系统的最终点火阶段。 为了防止假跳闸,提出了由处理单元(2)触发的抑制电路(21)。 只有经过了互锁使能时间(tv)后才能取消最终点火台(5)的互锁,从而互锁使能时间(tv)比脱扣传感器(1)的响应时间(ta)短。
    • 6. 发明授权
    • Frequency-voltage and voltage-frequency converters
    • 频率电压和电压 - 频率转换器
    • US4321548A
    • 1982-03-23
    • US107357
    • 1979-12-26
    • Edmund JeenickeWinfried KlotznerPeter Dilger
    • Edmund JeenickeWinfried KlotznerPeter Dilger
    • G01D3/02G01R21/133G01R23/06H03K5/01H03K13/01
    • G01R21/1331G01D3/02G01R23/06
    • A nonlinear characteristic curve of a frequency-voltage converter is approximated by summing the outputs of energized ones of a plurality of either voltage or current sources. The current sources are energized and de-energized in accordance with information contained in storage elements which may, for example, be parts of a shift register, or of an addressable storage. The breaks in the characteristic curve are achieved by changing the number of energized current sources or the current supplied by at least some of the sources at time intervals Ti=1/fi, where fi are the break frequencies and where time is measured starting with the leading edge of each pulse of the pulse frequence having the frequency f.sub.x which is to be converted to a voltage. Voltage-frequency converters can be created by connecting the frequency-voltage converter into the feedback path of a converter circuit receiving a voltage U.sub.x and furnishing the frequency f.sub.x in response thereto.
    • 频率 - 电压转换器的非线性特性曲线通过将多个电压源或电流源中的通电的输出相加来近似。 电流源根据存储元件中包含的信息通电和断电,这些信息例如可以是移位寄存器的一部分或可寻址存储器。 通过改变通电电流源的数量或由时间间隔Ti = 1 / fi提供的至少一些源的电流来实现特性曲线的中断,其中fi是断开频率,并且从 具有要转换为电压的频率fx的脉冲频率的每个脉冲的前沿。 电压 - 频率转换器可以通过将频率 - 电压转换器连接到接收电压Ux的转换器电路的反馈路径并响应于此提供频率fx来创建。
    • 7. 发明授权
    • Air bag system for protection of the occupants of motor vehicles
    • 用于保护机动车辆乘客的气囊系统
    • US5204547A
    • 1993-04-20
    • US663842
    • 1991-03-11
    • Hartmut SchumacherNorbert CrispinBernhard MattesEdmund Jeenicke
    • Hartmut SchumacherNorbert CrispinBernhard MattesEdmund Jeenicke
    • B60R21/16B60R21/01B60R21/017
    • B60R21/017
    • An air bag system for protecting the occupants of a motor vehicle in the event of a collision has a plurality of firing circuits comprising air bag igniters (3a,3b,3c) in series with respective power transistors (T.sub.1,T.sub.2,T.sub.3) which can be triggered in the event of an accident to inflate a corresponding plurality of air bags. A single energy storage capacitor (E) is connected to all of the firing circuits for supplying energy to activate the bag igniters over the upper common power stage (7) in the event that there is a loss of battery voltage when the system has been actuated. A comparator (9) monitors the voltage drops across respective resistors (R.sub.1,R.sub.2,R.sub.3) in series with the power transistors (T.sub.1,T.sub.2, T.sub.3) and reduces the current through these transistors in the event that an excessive current is detected. Steps are taken to ensure that the period of activation of the current supply to the igniters is limited.
    • PCT No.PCT / EP88 / 00837 371日期1991年3月11日 102(e)1991年3月11日PCT PCT。 出版物WO90 / 02674 日期:1990年3月22日。一种用于在发生碰撞的情况下保护机动车辆的乘客的安全气囊系统具有包括与各个功率晶体管(T1)串联的气囊点火器(3a,3b,3c)的多个点火回路 ,T2,T3),其可以在事故的情况下被触发以使相应的多个气囊膨胀。 在系统已被致动的情况下,单个储能电容器(E)连接到所有点火电路,用于提供能量以激活上部公共功率级(7)上的袋式点火器 。 比较器(9)监视与功率晶体管(T1,T2,T3)串联的相应电阻器(R1,R2,R3)上的电压降,并且在检测到过大电流的情况下,降低通过这些晶体管的电流。 采取步骤确保目前对点火器供应的启动期限是有限的。
    • 8. 发明授权
    • Method and apparatus to control ignition timing during starting of an
externally ignited internal combustion engine
    • 在外部点燃的内燃机启动期间控制点火正时的方法和装置
    • US4594981A
    • 1986-06-17
    • US647701
    • 1984-09-06
    • Erwin GlossEdmund JeenickeGerhard LotterbachEgbert PerenthalerManfred SchenkJan F. van WoudenbergUdo Zucker
    • Erwin GlossEdmund JeenickeGerhard LotterbachEgbert PerenthalerManfred SchenkJan F. van WoudenbergUdo Zucker
    • F02P5/155F02D41/02
    • F02P5/1558Y02T10/46
    • To place the maximum combustion pressure, which occurs upon ignition, after the piston of an internal combustion engine (ICE) has passed upper dead-center (UDC) position upon starting, a predetermined time interval (Ti) is subtracted from the expected time the piston reaches UDC position, as determined by the time taken for a predetermined angular distance of the crankshaft to rotate; the time between the predetermined angular distances is extrapolated to determine the projected, or expected time of the UDC position. The predetermined time interval (Ti), which may be made dependent upon engine temperature, is then subtracted and the actual firing time computed, for example by counting-out in a counter the differential time interval determined by the subtraction. The timing intervals are preferably derived from a segmental marker system (20,21; A1,A2), in a counter (1), the extrapolation carried out in a multiplier (2) and the subtracting in a subtraction circuit (3). The system is preferably enabled upon closing of the starter switch (S) and may be disabled when a down-counter, determining the actual timing interval, has a negative count output.
    • 为了使在点燃时发生的最大燃烧压力在内燃机(ICE)的活塞在启动时通过上死点(UDC)位置之后,从预期时间(T i)中减去预定时间间隔(Ti) 活塞达到UDC位置,由曲轴旋转预定角距所需的时间确定; 外推预定角距之间的时间以确定UDC位置的预计或预期时间。 然后减去可以取决于发动机温度的预定时间间隔(Ti),并且例如通过在计数器中通过在减法中确定的差分时间间隔计数来计算实际点火时间。 定时间隔优选地从计数器(1)中的分段标记系统(20,21; A1,A2)导出,乘法器(2)中执行的外插和减法电路(3)中的减法。 该系统优选地在起动器开关(S)关闭时启用,并且当确定实际定时间隔的递减计数器具有负计数输出时可以禁用该系统。