公开(公告)号：US06552606B1

公开(公告)日：2003-04-22

申请号：US09869936

申请日：2001-10-05

Applicant: André Veltman ,  Hendrikus Johannes Jacobus Domensino

Inventor： André Veltman ,  Hendrikus Johannes Jacobus Domensino

IPC: H03F338

CPC classification number: H03F3/2171 ,  H03F2200/331 ,  H03F2200/351

Abstract: An amplifier circuit (11) for amplifying electric signals, comprising controllable switching means (2) for generating a block wave signal whose amplitude varies between first and second supply voltage values during operation, filter means (9) for filtering the block wave signal so as to produce an output signal (10). The filter means (9) comprise a self-inductance (16) and a capacitance (17). The amplifier circuit (11) furthermore comprises modulating means (3) for pulse width modulation of the block wave signal by driving the switching means (2) in response to an input signal (16) to be amplified, and correction means (12) for providing from a reference value (Uref) derived from the input signal and an output signal value proportional to the output signal (10) a correction signal for controlling the modulating means (3). In order to correct for interferences in the output signal (10), means (13) are provided for deriving a reference current (Iref) from the input signal (6) as well as means (8) for providing a filter capacitance current proportional to the current though the filter capacitance (17). The correction means (12) are arranged for providing a current correction signal from the reference current (Iref) and the filter capacitance current (18).

Abstract translation: 一种用于放大电信号的放大器电路（11），包括用于产生在操作期间幅度在第一和第二电源电压值之间变化的块波信号的可控开关装置（2），用于对块波信号进行滤波的滤波器装置 以产生输出信号（10）。 滤波器装置（9）包括自感（16）和电容（17）。 放大器电路（11）还包括调制装置（3），用于根据要放大的输入信号（16）驱动开关装置（2），对块波信号进行脉冲宽度调制;以及校正装置（12），用于 从从输入信号导出的参考值（Uref）和与输出信号（10）成比例的输出信号值提供用于控制调制装置（3）的校正信号。 为了校正输出信号（10）中的干扰，提供了用于从输入信号（6）导出参考电流（Iref）的装置（13）以及用于提供与 电流通过滤波电容（17）。 校正装置（12）被布置用于从参考电流（Iref）和滤波电容电流（18）提供电流校正信号。

公开(公告)号：US08829812B2

公开(公告)日：2014-09-09

申请号：US12575272

申请日：2009-10-07

Applicant: André Veltman

Inventor： André Veltman

IPC: G05F1/00 ,  H05B37/02 ,  H05B39/04 ,  H05B41/36

CPC classification number: H05B33/0815 ,  H05B33/0821 ,  Y02B20/383

Abstract: A lighting system for operation with a dimmer circuit comprising a triac connected to a load. The load comprises a driver circuit for supplying current to a light source comprising one or more LEDs, the current being determined at least in part by an adjusted setpoint value. The system further comprises a setpoint filter circuit for obtaining a dimmer setpoint value determined at least in part by a setting of the dimmer circuit, and for generating an adjusted setpoint value. The sensitivity of the adjusted setpoint value to changes in the dimmer setpoint value is low at low values of the dimmer setpoint value.

Abstract translation: 一种用于使用包括连接到负载的三端双向可控硅开关的调光电路操作的照明系统。 负载包括用于向包括一个或多个LED的光源提供电流的驱动器电路，该电流至少部分地由调整的设定值确定。 该系统还包括设定点滤波器电路，用于获得至少部分由调光电路的设置确定的调光设定点值，以及用于产生经调整的设定点值。 调光设定值对调光器设定值变化的灵敏度在调光器设定值的低值时为低。

公开(公告)号：US20100090618A1

公开(公告)日：2010-04-15

申请号：US12575272

申请日：2009-10-07

Applicant: André Veltman

Inventor： André Veltman

IPC: H05B37/02

CPC classification number: H05B33/0815 ,  H05B33/0821 ,  Y02B20/383

Abstract: A lighting system for operation with a dimmer circuit comprising a triac connected to a load. The load comprises a driver circuit for supplying current to a light source comprising one or more LEDs, the current being determined at least in part by an adjusted setpoint value. The system further comprises a setpoint filter circuit for obtaining a dimmer setpoint value determined at least in part by a setting of the dimmer circuit, and for generating an adjusted setpoint value. The sensitivity of the adjusted setpoint value to changes in the dimmer setpoint value is low at low values of the dimmer setpoint value.

Abstract translation: 一种用于使用包括连接到负载的三端双向可控硅开关的调光电路操作的照明系统。 负载包括用于向包括一个或多个LED的光源提供电流的驱动器电路，该电流至少部分地由调整的设定值确定。 该系统还包括设定点滤波器电路，用于获得至少部分由调光电路的设置确定的调光设定点值，以及用于产生经调整的设定点值。 调光设定值对调光器设定值变化的灵敏度在调光器设定值的低值时为低。

公开(公告)号：US08212494B2

公开(公告)日：2012-07-03

申请号：US12146512

申请日：2008-06-26

Applicant: André Veltman

Inventor： André Veltman

IPC: G05F1/00

CPC classification number: H05B33/0815 ,  H05B39/044 ,  Y02B20/347

Abstract: The invention relates to a dimmer triggering circuit (12) for triggering a dimmer in an alternating current network. The dimmer has a voltage-level detector (15), and a bipolar current source circuit (18). The voltage-level detector (15) detects whether an absolute value of an input voltage of the dimmer triggering circuit is below a threshold value. The bipolar current source circuit (18) provides a current if the voltage detected by the voltage-level detector (15) is below the threshold value. If the voltage detected is not below the threshold value, the bipolar current source circuit is deactivated. The dimmer triggering circuit (12), in operation, dissipates an average power less than 100 mW.

Abstract translation: 本发明涉及一种用于触发交流网络中的调光器的调光器触发电路（12）。 调光器具有电压电平检测器（15）和双极电流源电路（18）。 电压电平检测器（15）检测调光器触发电路的输入电压的绝对值是否低于阈值。 如果由电压电平检测器（15）检测到的电压低于阈值，则双极电流源电路（18）提供电流。 如果检测到的电压不低于阈值，则双极性电流源电路被去激活。 在操作中，调光器触发电路（12）耗散小于100mW的平均功率。

公开(公告)号：US06247361B1

公开(公告)日：2001-06-19

申请号：US09309944

申请日：1999-05-11

Applicant: Helmuth Bender ,  Hans Roelvink ,  André Veltman

Inventor： Helmuth Bender ,  Hans Roelvink ,  André Veltman

IPC: G01F2328

CPC classification number: G01F23/2966

Abstract: Disclosed is a method for determining the contents of a gas bottle, in particular a liquid gas bottle, comprising the following steps: First of all, the gas bottle is excited by applying a signal to a loudspeaker mounted on said gas bottle. The signal from a microphone mounted on the gas bottle is compared in phase with the signal used for excitation, with the frequency of the signal applied to said loudspeaker being altered continuously, until a resonant frequency is established. This resonant frequency is converted into a filling level of the gas bottle according to a previously determined relationship between the resonant frequency and the filling level. Furthermore, an apparatus is disclosed with which the above-mentioned method may be put into practice.

Abstract translation: 公开了一种用于确定气瓶，特别是液体气瓶的内容物的方法，包括以下步骤：首先，通过向安装在所述气瓶上的扬声器施加信号来激发气瓶。 将安装在气瓶上的麦克风的信号与用于激励的信号相比较，施加到所述扬声器的信号的频率连续地改变，直到建立谐振频率。 根据先前确定的谐振频率和填充水平之间的关系，将该共振频率转换成气瓶的填充水平。 此外，公开了可以实施上述方法的装置。