公开(公告)号：US20090160962A1

公开(公告)日：2009-06-25

申请号：US12343646

申请日：2008-12-24

Applicant: Yoshihisa TABUCHI ,  Yuuki TASHITA ,  Yasuhisa YAMADA

Inventor： Yoshihisa TABUCHI ,  Yuuki TASHITA ,  Yasuhisa YAMADA

IPC: H04N5/225

CPC classification number: G03B5/00

Abstract: A vibration prevention control circuit is provided that comprises at least one analog-to-digital converter circuit which samples and converts an output signal of a vibration detection element which detects vibration of an imaging device and an output signal of a position detection element which detects a position of an optical component, into digital signals, a vibration component processor that processes the output signal of the vibration detection element which is digitized by the analog-to-digital converter circuit, a down-sampling unit that down-samples the output signal of the vibration detection element which is processed by the vibration component processor, and a servo circuit that generates a control signal which drives the optical component, based on the output signal of the vibration detection element which is output from the down-sampling unit and the output signal of the position detection element which is digitized by the analog-to-digital converter circuit.

Abstract translation: 提供了一种防振控制电路，其包括至少一个模拟 - 数字转换器电路，其对检测成像装置的振动的振动检测元件的输出信号和检测成像装置的位置检测元件的输出信号进行采样和转换 光学部件的位置转换为数字信号;处理由模数转换器电路数字化的振动检测元件的输出信号的振动分量处理器;下采样单元，其对 由振动分量处理器处理的振动检测元件，以及基于从下采样单元输出的振动检测元件的输出信号和输出端产生驱动光学元件的控制信号的伺服电路 由模数转换器电路数字化的位置检测元件的信号。

公开(公告)号：US20090160955A1

公开(公告)日：2009-06-25

申请号：US12341721

申请日：2008-12-22

Applicant: Yoshihisa TABUCHI

Inventor： Yoshihisa TABUCHI

IPC: H04N5/228

CPC classification number: G03B5/00

Abstract: A vibration prevention control circuit is provided, comprising at least one analog-to-digital converter circuit that converts an output signal of a vibration detection element which detects vibration of an imaging device, and an output signal of a position detection element which detects a position of an optical component, into digital signals, and a logic circuit that generates a control signal which drives the optical component, based on the output signal of the vibration detection element which is digitized by the analog-to-digital converter circuit and the output signal of the position detection element which is digitized by the analog-to-digital converter circuit, wherein a phase delay circuit (all-pass filter) is provided that delays a phase of the output signal of the vibration detection element without changing an intensity in a predetermined frequency band and outputs the processed signal.

Abstract translation: 提供了一种防振控制电路，包括：至少一个模拟 - 数字转换器电路，其转换检测成像装置的振动的振动检测元件的输出信号;以及位置检测元件的输出信号，其检测位置 基于由模数转换器电路数字化的振动检测元件的输出信号和输出信号产生驱动光学部件的控制信号的逻辑电路， 位置检测元件由模数转换器电路数字化，其中提供相位延迟电路（全通滤波器），其延迟振动检测元件的输出信号的相位，而不改变振荡检测元件的强度 并且输出处理后的信号。