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    • 93. 发明公开
    • Vehicle rollover sensor
    • ÜberrollsensorfürKraftfahrzeug
    • EP0847901A1
    • 1998-06-17
    • EP97121979.5
    • 1997-12-12
    • TRW INC.
    • Cash, Steven M.
    • B60R21/13B60R21/32B60R22/46G01C9/12
    • B60R21/013G01C9/12
    • A vehicle rollover sensor (10) includes an optical transmitter (80) for providing a light beam (86) extending in a first direction (36) and an optical receiver (90) for receiving the light beam. A movable member (40) when in a first orientation enables the light beam (86) from the optical transmitter (80) to be directed to the optical receiver (90). The movable member (40) when in a second orientation prevents at least a part of the light beam (86) from being directed to the optical receiver (90). The movable member (40) is supported on the vehicle for movement between the first and second orientations in a direction transverse to the first direction (36), in response to rolling movement of the vehicle of a predetermined amount relative to the first direction. An inertia mass (60) is connected with the movable member (40) to maintain the movable member in a predetermined orientation relative to the ground surface on which the vehicle is disposed. The operativeness of the sensor (10) can be tested whenever the vehicle is not in a rollover condition.
    • 车辆翻转传感器(10)包括用于提供沿第一方向(36)延伸的光束(86)的光发射器(80)和用于接收光束的光接收器(90)。 当处于第一取向时,可移动构件(40)使得来自光发射器(80)的光束(86)被引导到光接收器(90)。 当处于第二取向时,可移动构件(40)防止光束(86)的至少一部分被引导到光接收器(90)。 响应于相对于第一方向的预定量的车辆的滚动运动,可动构件(40)被支撑在车辆上以在横向于第一方向(36)的方向上在第一和第二取向之间移动。 惯性块(60)与可动构件(40)连接,以使可动构件相对于车辆设置的地面保持在预定方位。 只要车辆不处于翻车状态,就可以对传感器(10)的操作性进行测试。
    • 99. 发明公开
    • OPERATION DEVICE FOR CREW PROTECTION APPARATUS
    • 控制装置的乘客保护装置
    • EP0728635A4
    • 1997-11-19
    • EP95900303
    • 1994-11-14
    • SENSOR TECH KK
    • SHIRAISHI HIDEHIRO
    • B60R21/01B60R21/32
    • B60R21/0132B60R21/01B60R2021/01034
    • An operation device including an accelerometer (s) for outputting a signal relating to deceleration at the time of collision of a vehicle, a central processing unit (16) for calculating signals from the accelerometer (s), first and second memories (17), (18) disposed to be differently identified by the central processing unit (16), and an ignition circuit (6) for activating a crew protection apparatus on the basis of the signal from the central processing unit (16). The first memory (17) is a read-only memory to form a one-chip microcomputer (2) along with the central processing unit (16) and the second memory (18) is a writable memory. The first memory (17) stores an algorithm for calculating signals from the accelerometer (s) and the second memory (18) stores parameters used for the calculation. The parameters are numerical values determined after collision tests of the vehicle, are different from model to model of a vehicle and are specific numerals each corresponding to a specific model. In other words, the present invention is characterized in that those parameters which cannot be determined before the vehicle tests can later be written into an EEPROM as the second memory (18) which is separate from the first memory (17) such as a MASKROM of the one-chip microcomputer (2).