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1. 发明授权

US4034308A Amplifier with controllable transmission factor and switchable control characteristic 失效
标题翻译：具有可控传输系数和可切换控制特性的放大器
公开(公告)号：US4034308A
公开(公告)日：1977-07-05
申请号：US703119
申请日：1976-07-06
申请人： Jurgen Wermuth , Gerhard Dickopp , Ernst Schroder
发明人： Jurgen Wermuth , Gerhard Dickopp , Ernst Schroder
IPC分类号： H03G1/00 , H03G5/04 , H03G9/02 , H03F1/36
CPC分类号： H03G9/025 , H03G1/0035 , H03G1/007 , H03G5/04
摘要： An amplifier circuit whose gain bears a desired relation to a control voltage, including a differential amplifier, a plurality of impedances interconnected between the amplifier terminals and switches interconnected with the impedances and switchable between two states which create two impedance configurations that give the circuit mutually complementary gain vs. control voltage control characteristics.
摘要翻译：一种放大器电路，其增益与控制电压具有期望的关系，包括差分放大器，互连在放大器端子之间的多个阻抗和与阻抗互连的开关，并在两个状态之间切换，这两个状态产生两个阻抗配置，使电路互补增益与控制电压控制特性。

2. 发明授权

US4321482A Circuit system for the generation of a direct control voltage which is dependent on an alternating voltage 失效
标题翻译：用于产生取决于交流电压的直接控制电压的电路系统
公开(公告)号：US4321482A
公开(公告)日：1982-03-23
申请号：US56971
申请日：1979-07-11
申请人： Ernst Schroder , Jurgen Wermuth
发明人： Ernst Schroder , Jurgen Wermuth
IPC分类号： H04B1/64 , H03G7/00 , H03K4/00 , H03K5/159 , H03K5/00
CPC分类号： H03G7/00 , H03K4/00
摘要： In a circuit system for the generation of a direct control voltage dependent upon an alternating voltage for a dynamic compander device, the system including a charging capacitor, a charging circuit connected to charge the capacitor, and a circuit connected to discharge the capacitor, a comparator unit is connected to effect comparison between the alternating voltage and a reference voltage and to produce an output voltage representative of the amount by which the alternating voltage exceeds the reference voltage, and at least one of the circuits is formed of a current source and an electronically controllable current path connected between the source and the capacitor and having a control input connected to the comparator unit for varying the conductance of the current path as a function of the output voltage of the comparator unit.
摘要翻译：在用于产生取决于用于动态压缩扩展装置的交流电压的直接控制电压的电路系统中，该系统包括充电电容器，连接到对电容器充电的充电电路以及连接到放电电容器的电路，比较器连接单元以实现交流电压和参考电压之间的比较，并产生表示交流电压超过参考电压的量的输出电压，并且至少一个电路由电流源和电子可控电流路径连接在源极和电容器之间，并且具有连接到比较器单元的控制输入，用于根据比较器单元的输出电压来改变电流路径的电导。

3. 发明授权

US4278945A Circuit for the generation of a control variable for the control of the transfer constant of electronically actuable amplifying and attenuating members 失效
标题翻译：用于产生用于控制电子可致动的放大和衰减构件的传递常数的控制变量的电路
公开(公告)号：US4278945A
公开(公告)日：1981-07-14
申请号：US80949
申请日：1979-10-01
申请人： Ernst Schroder , Jurgen Wermuth
发明人： Ernst Schroder , Jurgen Wermuth
IPC分类号： H03G3/12 , G06G7/24 , H03G3/20 , H03G7/00 , H03G3/00 , H03H7/24
CPC分类号： H03G7/002 , G06G7/24
摘要： In a circuit for automatic dynamic compression or expansion the control voltage generator generates a control voltage which is linear against the logarithm of the input amplitude. This characteristic is achieved by a transfer member consisting of several transistors which are subject to different reference voltages and the series resistances of which are staggered.
摘要翻译：在用于自动动态压缩或扩展的电路中，控制电压发生器产生与输入幅度的对数线性相关的控制电压。这个特性由一个由几个晶体管组成的传输元件来实现，这些晶体管受到不同的参考电压的影响，串联电阻是交错的。

4. 发明授权

US5343896A Papermakers fabric having stacked machine direction yarns 失效
标题翻译：造纸机织物具有堆叠的机器方向纱线
公开(公告)号：US5343896A
公开(公告)日：1994-09-06
申请号：US951081
申请日：1992-09-25
申请人： Ernst Schroder , Henry J. Lee
发明人： Ernst Schroder , Henry J. Lee
IPC分类号： D21F1/00 , D21F7/08 , D03D13/00 , D03D15/00
CPC分类号： D21F1/0036 , D21F1/0054 , D21F7/083 , Y10T442/3203
摘要： A papermakers fabric having a system of monofilament machine direction yarns (hereinafter MD yarns) which control the permeability of the fabric. The present weave provides for usage of high aspect ratio yarns as structural weave components. The system of MD yarns comprises multiple layers of yarns which are vertically stacked. Preferably, upper MD yarns define floats on the upper surface of the fabric and each upper MD yarn is grouped in a vertically stacked orientation with an intermediate and a lower MD yarn.
摘要翻译：一种造纸织物，其具有控制织物渗透性的单丝机器方向纱线（以下称为MD纱线）的系统。目前的织造提供了高纵横比纱线作为结构编织部件的使用。 MD纱线的系统包括垂直堆叠的多层纱线。优选地，上MD纱线在织物的上表面上限定漂浮物，并且每个上MD纱线以垂直堆叠的方向与中间和下层MD纱线分组。

5. 发明授权

US4322636A Circuit system for the generation of a direct control voltage dependent upon an alternating voltage 失效
标题翻译：用于产生取决于交流电压的直接控制电压的电路系统
公开(公告)号：US4322636A
公开(公告)日：1982-03-30
申请号：US56972
申请日：1979-07-11
申请人： Ernst Schroder
发明人： Ernst Schroder
IPC分类号： H03G7/00 , H03K4/00 , H03K17/296 , H03K4/06 , H03K17/28
CPC分类号： H03G7/00 , H03K4/00
摘要： A circuit for generating a direct control voltage dependent on an alternating voltage, particularly for the generation of a direct control voltage in a system for dynamic compression and expansion, including a storage capacitor for providing the control voltage, at least one electronically controllable charging circuit and at least one electronically controllable discharging circuit connected to the storage capacitor, a comparator for comparing an alternating voltage input signal with a reference value, first and second control circuit paths for connecting the output of the comparator to the control inputs of the charging circuit and the discharging circuit respectively, a time-delay circuit connected in one of the control circuit paths, and an inverter connected in one of the control circuit paths so that the output signals from the two control circuit paths are inverted with respect to one another.
摘要翻译：一种用于产生取决于交流电压的直接控制电压的电路，特别是用于在用于动态压缩和扩展的系统中产生直接控制电压，包括用于提供控制电压的存储电容器，至少一个电子可控充电电路和连接到存储电容器的至少一个电子可控放电电路，用于将交流电压输入信号与参考值进行比较的比较器，用于将比较器的输出连接到充电电路的控制输入的第一和第二控制电路路径，分别连接在一个控制电路路径中的延时电路和连接在一个控制电路路径中的逆变器，使得来自两个控制电路路径的输出信号彼此相反。

6. 发明授权

US4099134A Amplifier with controllable transmission factor and switchable control characteristic 失效
标题翻译：具有可控传输系数和可切换控制特性的放大器
公开(公告)号：US4099134A
公开(公告)日：1978-07-04
申请号：US808628
申请日：1977-06-21
申请人： Ernst Schroder
发明人： Ernst Schroder
IPC分类号： H03G7/00 , H03G5/12 , H03G9/02 , H03F1/34
CPC分类号： H03G9/025 , H03G5/12
摘要： An amplifier whose transmission factor is to be controlled as a function of a control voltage and including an amplifier member having a negating input, connected to have its impedance varied by the control voltage and an electronically controllable variable impedance having one side connected to the amplifier member output, a second impedance connected between the other side of the first impedance and ground, and a switch assembly for switching the connections within the amplifier between two operating states providing mutually complementary control characteristics, the amplifier member output providing the amplifier output in one operating state and being connected to the negating input in the other operating state, and the point of connection between the impedances being connected to the negating input in the one operating state and providing the amplifier output in the other operating state.
摘要翻译：一个放大器，其传输因子要被控制为一个控制电压的函数，并且包括具有一个否定输入的放大器构件，该放大器构件被连接成使其阻抗随着控制电压的变化而变化，一个电子可控的可变阻抗的一侧连接到放大器构件输出，连接在第一阻抗和地之间的第二阻抗以及用于在提供相互补充的控制特性的两个操作状态之间切换放大器内的连接的开关组件，放大器构件输出在一个操作状态下提供放大器输出并且在另一个操作状态下连接到否定输入，并且阻抗之间的连接点在一个操作状态下连接到否定输入，并且在另一个操作状态下提供放大器输出。

7. 发明授权

US4590531A System for compensating signal interference in a PCM audio transmission 失效
标题翻译：用于补偿PCM音频传输中的信号干扰的系统
公开(公告)号：US4590531A
公开(公告)日：1986-05-20
申请号：US641256
申请日：1984-08-16
申请人： Hans-Joachim Platte , Walter Voessing , Gunter Oberjatzas , Ernst Schroder
发明人： Hans-Joachim Platte , Walter Voessing , Gunter Oberjatzas , Ernst Schroder
IPC分类号： H04B1/74 , G11B20/02 , G11B20/18 , H04B1/10 , G11B5/09
CPC分类号： G11B20/1876
摘要： A pulse code modulated audio signal transmission system which compensates for signal interference in the pulse code modulated audio signal. The system includes a first device for receiving an audio signal and for converting the audio signal into a pulse code modulated audio signal, and a second device for receiving the audio signal and for producing an auxiliary signal corresponding to the audio signal but having a smaller bandwidth than the audio signal. A transmission circuit is connected to the first and second devices for receiving the pulse code modulated audio signal and the auxiliary signal and for producing an output signal which comprises the audio signal with portions of the audio signal which contain interference being substituted with corresponding portions of the auxiliary signal.
摘要翻译：脉冲编码调制音频信号传输系统，其补偿脉冲编码调制音频信号中的信号干扰。该系统包括用于接收音频信号并将音频信号转换成脉冲编码调制音频信号的第一装置，以及用于接收音频信号并产生对应于音频信号但具有较小带宽的辅助信号的第二装置比音频信号。传输电路连接到第一和第二设备，用于接收脉冲编码调制音频信号和辅助信号，并且用于产生包括音频信号的输出信号，该部分音频信号包含被相应部分的干扰辅助信号。

8. 发明授权

US4441041A Circuit arrangement for generating a direct control voltage which is dependent on an alternating voltage 失效
标题翻译：用于产生取决于交流电压的直接控制电压的电路装置
公开(公告)号：US4441041A
公开(公告)日：1984-04-03
申请号：US389494
申请日：1982-06-17
申请人： Ernst Schroder
发明人： Ernst Schroder
IPC分类号： G05F3/26 , H02M7/21 , H03G3/20 , H03G7/00 , H03G3/10
CPC分类号： H03G7/002
摘要： The invention relates to a circuit arrangement in a compander system for generating a direct control voltage which is dependent on an alternating voltage with the circuit arrangement including a time constant switch. The conductance determining the time constant in a charging current circuit is constantly varied in the transfer range in dependence on the voltage of a charging capacitor when a time constant switch takes place from one fixed value to a second fixed value.
摘要翻译：本发明涉及一种压扩扩展系统中的电路装置，用于产生取决于交流电压的直接控制电压，该电路装置包括时间常数开关。在从一个固定值到第二固定值进行时间常数切换时，根据充电电容器的电压，确定充电电流电路中的时间常数的电导在传输范围内不断变化。

9. 发明授权

US4318009A Circuit system for the generation of a direct control voltage depending upon an alternating voltage 失效
标题翻译：用于根据交流电压产生直接控制电压的电路系统
公开(公告)号：US4318009A
公开(公告)日：1982-03-02
申请号：US89895
申请日：1979-10-31
申请人： Ernst Schroder
发明人： Ernst Schroder
IPC分类号： H03G3/30 , H03G3/20 , H03G7/00 , H03K17/56
CPC分类号： H03G7/002
摘要： In a circuit for the generation of a direct control voltage dependent upon an alternating voltage the changing of the control voltage is delayed after a rapid decrease in the alternating voltage amplitude. This delay time is controllable in dependence upon the time difference between an increase and a rapid decrease of the alternating voltage amplitude.
摘要翻译：在用于产生取决于交流电压的直接控制电压的电路中，在交变电压幅度的快速降低之后，控制电压的改变被延迟。该延迟时间可以根据交流电压振幅的增加和快速降低之间的时间差来控制。

10. 发明授权

US4821260A Transmission system 失效
标题翻译：传输系统
公开(公告)号：US4821260A
公开(公告)日：1989-04-11
申请号：US135511
申请日：1987-12-16
申请人： Otto Klank , Ernst Schroder , Walter Voessing
发明人： Otto Klank , Ernst Schroder , Walter Voessing
IPC分类号： G10L19/00 , H04B1/66 , H04B14/04 , H04J3/00 , H04L27/20
CPC分类号： H04B1/66
摘要： A system for transmitting and receiving digitalized audio signals, particularly via satellites, wherein data sequences are arranged in timely succession within frames, wherein before transmission, the digitalized audio signal is converted to a digital signal representing the momentary frequency spectrum and, during subsequent coding of the digital audio signal to be transmitted, portions of this transformed signal are given different weights on the basis of psychoacoustic laws with respect to the accuracy of their representation.
摘要翻译：一种用于特别经由卫星发送和接收数字化音频信号的系统，其中数据序列被及时地依次排列在帧内，其中在传输之前，数字化音频信号被转换成表示瞬时频谱的数字信号，并且在随后的编码期间要传输的数字音频信号，这个变换信号的一部分在心理声学规律的基础上就其表示的准确性给出不同的权重。

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