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    • 4. 发明授权
    • Determination of the alcohol content of blood
    • 测定血液中的酒精含量
    • US4057724A
    • 1977-11-08
    • US667847
    • 1976-03-17
    • Werner Karl AdrianRobert Frank Borkenstein
    • Werner Karl AdrianRobert Frank Borkenstein
    • A61B5/145A61B5/1455G01N21/3504G01N21/59G01N33/497G01N21/26
    • G01N21/3504G01N33/4972
    • A relationship exists between the concentration of ethanol in human breath and blood. Ethanol absorbs infra-red energy in the region of 3.46 mu. In this method the concentration of ethanol in breath is measured by collecting a sample in a chamber and passing through it a filtered, directional, and interrupted beam of infra-red energy at 3.46 mu. The path length is fixed. The exit energy falls on a tuned radiant energy detector. This beam is compared with a similar beam of radiant energy not capable of being absorbed by ethanol. The two signals are fed into a differential amplifier which activates a servo-system that moves a tapered radiant-energy absorbing medium in the path of one of the energy beams until a null condition is achieved. The distance the tapered medium must be moved to establish the null condition is measured by a potentiometer operably associated with it. The potentiometer provides a signal that can be displayed by an analog or digital device calibrated directly in units of blood or breath ethanol concentration.
    • 乙醇在人体呼吸和血液中的浓度之间存在关系。 乙醇在3.46亩的地区吸收红外能量。 在这种方法中,呼气中乙醇的浓度是通过在室中收集样品并通过其中过滤的,定向的和中断的红外能量束在3.46μm来测量的。 路径长度固定。 退出能量落在调谐辐射能量检测器上。 将该光束与不能被乙醇吸收的类似的辐射能束进行比较。 两个信号被馈送到差分放大器中,该差分放大器激活在能量束中的一个的路径中移动锥形辐射能量吸收介质的伺服系统,直到达到空值。 锥形介质必须移动以建立零点条件的距离由与其可操作地相关联的电位计来测量。 电位计提供的信号可以由直接以血液或呼吸乙醇浓度为单位校准的模拟或数字设备显示。
    • 5. 发明授权
    • Sensor
    • 传感器
    • US4055090A
    • 1977-10-25
    • US670350
    • 1975-06-27
    • Werner Karl Heinz Fuchs
    • Werner Karl Heinz Fuchs
    • B60T8/1763B60T8/32B60T8/42B60T8/74G01P15/00G01P15/03G01P15/08
    • B60T8/4208B60T8/17633B60T8/3295B60T8/74G01P15/00G01P15/032G01P15/0888
    • The sensor described in the specification and which compares the rotary wheel deceleration with the linear vehicle deceleration, comprises a mass which is subject to both decelerations and whose movement is checked by an electrical sensing means rotating with the shaft. This sensing means provides data signals in the case of an excessive difference between the two decelerations without the need of a mechanical contact between the sensing means and the mass. The description further shows sensors which measure completely non-contacting and which transmit the data signals without the use of slip rings. These sensors can also measure the angular wheel deceleration and simultaneously the transversal deceleration of a vehicle.
    • 本说明书中描述的并且将转轮减速度与线性车辆减速度进行比较的传感器包括受到两个减速的质量,并且通过与轴一起旋转的电感测装置检查其运动。 这种感测装置在两个减速之间存在过大的差异的情况下提供数据信号,而不需要感测装置和质量块之间的机械接触。 该描述进一步示出了测量完全非接触并且不使用滑环传输数据信号的传感器。 这些传感器还可以测量车轮的减速度,同时也可以测量车辆的横向减速度。