公开(公告)号：US06466041B1

公开(公告)日：2002-10-15

申请号：US09672291

申请日：2000-09-27

申请人： Jens Egerer ,  Johann Hauer ,  Michael Reinhold ,  Rainer Rodenheber

发明人： Jens Egerer ,  Johann Hauer ,  Michael Reinhold ,  Rainer Rodenheber

IPC分类号： G01R31308

CPC分类号： H04B10/11 ,  H04L25/26

摘要： A method for setting the trigger power of transmitter diodes that transmit data via optical paths allows the transmission power to be adjusted and adapted to the communication distance. The trigger power is determined for the present communication distance on the basis of a test signal before data transmission begins. A circuit arrangement implementing the method includes a driver circuit with a switching device that switches a circuit junction point selectively to a supply voltage or to a constant reference voltage, a voltage-controlled resistor which delivers the driver current and is controlled from the circuit junction point, and a voltage-controlled measuring resistor which delivers a measured current with a fixed relationship to the driver current and is controlled from the circuit junction point. Since the set trigger power can be reduced, the power consumption for data transmission can be reduced considerably.

摘要翻译： 用于设置通过光路传输数据的发射器二极管的触发功率的方法允许调整发射功率并适应通信距离。 基于数据传输开始前的测试信号，确定当前通信距离的触发功率。 实现该方法的电路装置包括具有切换装置的驱动器电路，该开关装置将电路连接点选择性地切换到电源电压或恒定的参考电压;压控电阻器，其传递驱动器电流并且从电路连接点 以及电压测量电阻器，其以与驱动器电流固定的关系传送测量电流，并从电路连接点进行控制。 由于可以减小设定的触发功率，因此可以显着降低用于数据传输的功耗。

公开(公告)号：US4326106A

公开(公告)日：1982-04-20

申请号：US117273

申请日：1980-01-31

申请人： Willy Minner ,  Rainer Rodenheber ,  Erhard Reitz

发明人： Willy Minner ,  Rainer Rodenheber ,  Erhard Reitz

IPC分类号： H04M1/60

CPC分类号： H04M1/60

摘要： A microphone amplifier in a telephone station furnished with current from the telephone network. When a capacitive degenerative feedback is used in the amplifier a certain time has to pass after applying the supply voltage before the operating point of the amplifier is reached because of the charging time of the capacitor. The switching of the supply voltage occurs at the dialing operation at each digit of a dial number since during the transmission period of a digit the handset including the microphone is switched off the subscriber line which carries the current usd for supplying the amplifier with energy. By the use of a special circuit the charging time of the capacitor is shortened drastically.

摘要翻译： 电话台中的麦克风放大器配有来自电话网络的电流。 当在放大器中使用电容性退化反馈时，由于电容器的充电时间，在达到放大器的工作点之前，在施加电源电压之后必须经过一定时间。 电源电压的切换发生在拨号号码的每个数字处的拨号操作，因为在数字的发送期间，包括麦克风的手机被切断用户线，该用户线承载用于向放大器提供能量的当前usd。 通过使用专用电路，电容器的充电时间大大缩短。

公开(公告)号：US4538572A

公开(公告)日：1985-09-03

申请号：US530694

申请日：1983-09-09

申请人： Rainer Rodenheber

发明人： Rainer Rodenheber

IPC分类号： F02P5/155 ,  F02P5/08

CPC分类号： F02P5/1553 ,  Y02T10/46

摘要： The invention constitutes a supplement to patent application No. P 31 34 883 and to patent application No. P 32 08 088. It relates to the electronic switching-off of the correction circuitry in the event of a large dwell angle and simultaneously maximum correction value. This object is attained by comparing the speed-dependent output voltage of an induction sensor at a comparator to a reference voltage which is chosen so as to be exceeded by the output voltage of the induction sensor from a certain rotor speed on with an output pulse being released at the comparator. The capacitor at which the sawtooth-shaped signal is generated is discharged by means of this output pulse such that there will not be any further correction of the control signal.

摘要翻译： 本发明构成专利申请号P 31 34 883和专利申请号P 32 08 088的补充。它涉及在大驻留角度的情况下校正电路的电子关断，同时最大校正值 。 该目的是通过将比较器上的感应传感器的速度相关的输出电压与参考电压进行比较来实现的，该参考电压被选择为从一定的转子速度开始被感应传感器的输出电压超过，其中输出脉冲为 在比较国释放。 产生锯齿形信号的电容器通过该输出脉冲放电，使得不再有控制信号的校正。