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    • 2. 发明授权
    • Circuit arrangement and method for operating a high-pressure discharge lamp
    • 用于操作高压放电灯的电路布置和方法
    • US08193728B2
    • 2012-06-05
    • US12522889
    • 2007-01-10
    • Herbert Kästle
    • Herbert Kästle
    • H05B41/36
    • H05B41/2928
    • A circuit arrangement for operating a high-pressure discharge lamp, comprising at least one first electronic switch and one second electronic switch in a half-bridge arrangement; a supply voltage terminal for supplying the half-bridge arrangement with a DC voltage signal; a load circuit, which comprises a lamp inductor and is coupled firstly to the half-bridge center point and secondly to at least one terminal for connecting the high-pressure discharge lamp; a drive circuit for providing at least one first and one second drive signal for the first electronic switch and the second electronic switch, the drive circuit being adapted to provide the first and the second drive signal in such a way that the clock thereof is firstly swept between a first and a second frequency; wherein the drive circuit is furthermore adapted to modulate the first and the second drive signal with a predeterminable third frequency, with the modulation with the predeterminable third frequency being single-tone frequency modulation, with the result that, in the amplitude spectrum of the first and the second drive signal, at least one first, one second and one third spectral line appear, the first spectral line corresponding to the instantaneous frequency of the swept clock, and the second and the third spectral lines, in terms of absolute value, appearing at an interval with respect to the predeterminable third frequency, symmetrically with respect to the first spectral line, and that, in the power spectrum of the signal, at the terminal for connecting the high-pressure discharge lamp, a spectral line at the predeterminable third frequency results.
    • 一种用于操作高压放电灯的电路装置,包括半桥装置中的至少一个第一电子开关和一个第二电子开关; 用于向所述半桥装置提供DC电压信号的电源电压端子; 负载电路,其包括灯电感器,并且首先耦合到半桥中心点,其次耦合到用于连接高压放电灯的至少一个端子; 用于为第一电子开关和第二电子开关提供至少一个第一和第二驱动信号的驱动电路,所述驱动电路适于提供第一和第二驱动信号,使得其时钟首先被扫描 在第一和第二频率之间; 其中所述驱动电路还适于以可预定的第三频率来调制所述第一和第二驱动信号,其中所述可预定的第三频率的调制是单音频调制,结果是在所述第一和第 出现第二驱动信号,至少一个第一,第二和第三频谱线出现,对应于扫频时钟的瞬时频率的第一谱线,以及绝对值出现的第二和第三谱线 相对于第一谱线对称地相对于可预定的第三频率的间隔,并且在信号的功率谱中,在用于连接高压放电灯的端子处,可预定的第三频率处的谱线 结果。
    • 3. 发明授权
    • Ballast with braking inductance
    • 镇流器带制动电感
    • US07129649B2
    • 2006-10-31
    • US11097192
    • 2005-04-04
    • Herbert Kästle
    • Herbert Kästle
    • H05B41/16
    • H05B41/2827H05B41/288
    • A ballast for at least one lamp at least two switches arranged in series; a control circuit for alternately opening and closing the two switches; a connection for applying a supply voltage to the two switches; a resonant starting circuit coupled on the input side to the junction point between the two switches and on the output side to a first connection for the lamp, the resonant starting circuit having a resonant inductance arranged in series with the junction point between the two switches (S1, S2) and the first connection for the lamp, and a resonant capacitance arranged for alternating current purposes in parallel with the first and second connections for the lamp, a first braking inductance which, for alternating current purposes, is firstly arranged in series with the first of the two connections for the lamp and secondly in parallel with the resonant capacitance.
    • 用于至少一个灯的至少两个串联布置的开关的镇流器; 用于交替地打开和关闭两个开关的控制电路; 用于向两个开关施加电源电压的连接; 谐振起动电路,其在输入侧耦合到两个开关之间的接合点,并且在输出侧连接到用于灯的第一连接,所述谐振启动电路具有与两个开关之间的连接点串联布置的谐振电感( S 1,S 2 2)和用于灯的第一连接以及与用于灯的第一和第二连接平行布置的用于交流目的的谐振电容,a 用于交流电的目的的第一制动电感首先与用于灯的两个连接中的第一个串联布置,然后与谐振电容并联。
    • 4. 发明授权
    • Apparatus for providing a sinusoidally amplitude-modulated operating voltage, lighting system and method for generating an amplitude-modulated voltage
    • 用于提供正弦幅度调制工作电压的装置,用于产生幅度调制电压的照明系统和方法
    • US07388335B2
    • 2008-06-17
    • US11455174
    • 2006-06-19
    • Herbert Kästle
    • Herbert Kästle
    • H05B37/02
    • H05B41/2828H05B41/2886H05B41/2928Y02B20/186Y02B20/202
    • In the case of an apparatus for providing a sinusoidally amplitude-modulated operating voltage, two switches are arranged in the form of a half bridge, and an LC element is arranged downstream of the half bridge. The first switch is driven by a first square-wave signal in a clocking with the amplitude modulation frequency per clock cycle, and the second switch (QLOW) is driven by a second square-wave signal, which is shorter than the first signal, with a temporal offset with respect to the first signal in each clock cycle. The LC element (LMOD, CMOD) acts as a filter for the signal resulting from the driving of the switches at a connection point (K) between the switches and allows a DC voltage component and a sinusoidal component of the signal with the fundamental frequency of the clocking to pass through, but substantially filters out harmonics.
    • 在用于提供正弦幅度调制工作电压的装置的情况下,两个开关以半桥的形式布置,并且LC元件布置在半桥的下游。 第一开关由具有每个时钟周期的幅度调制频率的定时的第一方波信号驱动,并且第二开关(QLOW)由比第一信号短的第二方波信号驱动, 在每个时钟周期中相对于第一信号的时间偏移。 LC元件(LMOD,CMOD)充当用于在开关之间的连接点(K)处驱动开关的信号的滤波器,并且允许基本频率的信号的直流电压分量和正弦分量 时钟通过,但基本上滤除谐波。
    • 7. 发明申请
    • Circuit Arrangement and Method for Operating a High-Pressure Discharge Lamp
    • 高压放电灯操作电路布置及方法
    • US20100013407A1
    • 2010-01-21
    • US12522889
    • 2007-01-10
    • Herbert Kästle
    • Herbert Kästle
    • H05B41/36
    • H05B41/2928
    • A circuit arrangement for operating a high-pressure discharge lamp, comprising at least one first electronic switch and one second electronic switch in a half-bridge arrangement; a supply voltage terminal for supplying the half-bridge arrangement with a DC voltage signal; a load circuit, which comprises a lamp inductor and is coupled firstly to the half-bridge center point and secondly to at least one terminal for connecting the high-pressure discharge lamp; a drive circuit for providing at least one first and one second drive signal for the first electronic switch and the second electronic switch, the drive circuit being adapted to provide the first and the second drive signal in such a way that the clock thereof is firstly swept between a first and a second frequency; wherein the drive circuit is furthermore adapted to modulate the first and the second drive signal with a predeterminable third frequency, with the modulation with the predeterminable third frequency being single-tone frequency modulation, with the result that, in the amplitude spectrum of the first and the second drive signal, at least one first, one second and one third spectral line appear, the first spectral line corresponding to the instantaneous frequency of the swept clock, and the second and the third spectral lines, in terms of absolute value, appearing at an interval with respect to the predeterminable third frequency, symmetrically with respect to the first spectral line, and that, in the power spectrum of the signal, at the terminal for connecting the high-pressure discharge lamp, a spectral line at the predeterminable third frequency results.
    • 一种用于操作高压放电灯的电路装置,包括半桥装置中的至少一个第一电子开关和一个第二电子开关; 用于向所述半桥装置提供DC电压信号的电源电压端子; 负载电路,其包括灯电感器,并且首先耦合到半桥中心点,其次耦合到用于连接高压放电灯的至少一个端子; 用于为第一电子开关和第二电子开关提供至少一个第一和第二驱动信号的驱动电路,所述驱动电路适于提供第一和第二驱动信号,使得其时钟首先被扫描 在第一和第二频率之间; 其中所述驱动电路还适于以可预定的第三频率来调制所述第一和第二驱动信号,其中所述可预定的第三频率的调制是单音频调制,结果是在所述第一和第 出现第二驱动信号,至少一个第一,第二和第三频谱线出现,对应于扫频时钟的瞬时频率的第一谱线,以及绝对值出现的第二和第三谱线 相对于第一谱线对称地相对于可预定的第三频率的间隔,并且在信号的功率谱中,在用于连接高压放电灯的端子处,可预定的第三频率处的谱线 结果。