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    • 4. 发明公开
    • 피에조 액츄에이터의 구동 장치 및 그 구동 방법
    • 用于PIEZO执行器的驱动装置及其方法
    • KR1020130107428A
    • 2013-10-02
    • KR1020120029182
    • 2012-03-22
    • 주식회사 에스앤에이
    • 권경수고채동도현우
    • G02B7/04H02N2/06
    • H02N2/0075H02N2/025H02N2/06H02N2/067
    • PURPOSE: A driving device of a piezo-actuator and a driving method thereof reduce noise generated in driving. CONSTITUTION: A driving device of a piezo-actuator includes a signal generator (100) and a modulator (200). The signal generator generates a signal having a constant frequency. The modulator modulates the signal generated from the signal generator and outputs it. The modulator includes a density modulation unit (210). The density modulation unit performs a first mode or a second mode. The first mode repeatedly outputs an input signal of a first certain number and blocks an input signal of a second certain number. The second mode repeatedly outputs the input signal during a first period and blocks the input signal during a second period. [Reference numerals] (100) Signal generator; (200) Modulator; (210) Density modulation unit; (211) Counter module; (212) First density control module; (213) Filter module; (214) Second density control module; (220) Frequency modulation unit; (221) Frequency setting module; (222) Frequency modulation module; (230) Duty rate modulation unit; (231) Duty rate setting module; (232) Duty rate modulation module; (240) Amplitude modulation unit; (241) Envelope generation module; (242) Amplitude modulation module; (300) Piezo controller
    • 目的:压电致动器的驱动装置及其驱动方法减少了驾驶中产生的噪音。 构成:压电致动器的驱动装置包括信号发生器(100)和调制器(200)。 信号发生器产生具有恒定频率的信号。 调制器调制从信号发生器产生的信号并输出​​信号。 调制器包括密度调制单元(210)。 密度调制单元执行第一模式或第二模式。 第一模式重复地输出第一特定数量的输入信号,并且阻止第二特定数量的输入信号。 第二模式在第一时段期间重复地输出输入信号,并且在第二周期期间阻止输入信号。 (附图标记)(100)信号发生器; (200)调制器; (210)密度调制单元; (211)计数器模块; (212)第一密度控制模块; (213)过滤模块; (214)第二密度控制模块; (220)调频单元; (221)频率设定模块; (222)调频模块; (230)占空比调制单位; (231)责任率设定模块; (232)占空比调制模块; (240)幅度调制单元; (241)信封生成模块; (242)幅度调制模块; (300)压电控制器
    • 5. 发明公开
    • 피에조 액츄에이터의 구동 장치
    • PIEZO执行器的驱动装置
    • KR1020130021889A
    • 2013-03-06
    • KR1020110084427
    • 2011-08-24
    • 주식회사 에스앤에이
    • 권경수고채동도현우
    • H02N2/06
    • H02N2/062G02B7/09G03B3/10H02N2/0075H04N5/2254
    • PURPOSE: A driving device of a piezo actuator is provided to reduce noise by selecting a PDM(Pulse Density Modulation) method and an AM(Amplitude Modulation) method. CONSTITUTION: A signal generating part(200) generates a signal of a predetermined frequency for driving a piezo diode(100). A modulating part(300) modulates a signal generated at the signal generating part. The modulating part divides signals from the signal generating part into a segment outputting above the predetermined value and a segment outputting below the predetermined value. The modulating part outputs the signal from the signal generating part as much as a first predetermined number. The modulating part outputs the signal from the signal generating part as much as a second predetermined number. [Reference numerals] (100) Piezo diode; (200) Signal generating part; (300) Modulating part; (400) Piezo control part; (500) Noise measurement part
    • 目的:提供压电致动器的驱动装置,通过选择PDM(脉冲密度调制)方法和AM(幅度调制)方法来降低噪音。 构成:信号产生部件(200)产生用于驱动压电二极管(100)的预定频率的信号。 调制部分(300)调制在信号产生部分产生的信号。 调制部将来自信号生成部的信号分割为高于预定值的分段和低于预定值的分段。 调制部分从信号产生部分输出多达第一预定数量的信号。 调制部分从信号产生部分输出多达第二预定数量的信号。 (附图标记)(100)压电二极管; (200)信号发生部; (300)调制部分; (400)压电控制部分; (500)噪声测量部分
    • 10. 发明公开
    • 피디아이씨 모듈의 제조방법
    • PDIC模块的制造方法
    • KR1020130010200A
    • 2013-01-28
    • KR1020110070840
    • 2011-07-18
    • 주식회사 에스앤에이
    • 권경수고채동
    • H01L27/14H01L23/02H01L23/28
    • H01L2224/48091H01L2924/30107H01L2924/00014H01L2924/00
    • PURPOSE: A method for manufacturing a PDIC module is provided to improve an electric property and simplify a process by directly mounting an IC die on an FPCB and assembling a holder with the upper side of an IC die. CONSTITUTION: An IC(Integrated Circuit) die is attached to the upper side of an FPCB(S11). An electrode of the IC die is bonded to an electrode of the FPCB with a wire(S12). The IC die is embedded in the holder by attaching the holder to the FPCB(S13). [Reference numerals] (S11) Step of attaching an IC(Integrated Circuit) die to the top of an FPCB(Flexible Printed Circuit Board); (S12) Step of wire-bonding an electrode of the IC die and an electrode of the FPCB; (S13) Step of attaching a holder with a hole to the FPCB in order to embed the IC die in the holder
    • 目的:提供一种用于制造PDIC模块的方法,以通过将IC管芯直接安装在FPCB上并组装具有IC芯片上侧的保持器来提高电性能并简化工艺。 构成:将FPC(集成电路)模具安装在FPCB的上侧(S11)。 IC芯片的电极用FPC焊接到FPCB的电极(S12)。 通过将保持器附接到FPCB,将IC管芯嵌入保持器(S13)中。 (附图标记)(S11)将IC(集成电路)管芯安装到FPCB(柔性印刷电路板)的顶部的步骤; (S12)将IC芯片的电极和FPCB的电极引线接合的工序; (S13)将具有孔的保持器附接到FPCB以将IC管芯嵌入保持器中的步骤