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    • 55. 发明公开
    • 자기 센서 장치
    • 磁传感器装置
    • KR1020130033978A
    • 2013-04-04
    • KR1020120106618
    • 2012-09-25
    • 에스아이아이 세미컨덕터 가부시키가이샤
    • 무라오카다이스케아리야마미노루히키치도모키후카이겐타로
    • G01R33/07
    • G01R33/072G01R33/0023
    • PURPOSE: A magnetic sensor apparatus for converting magnetic field intensity into an electric signal is provided to repeat the operation of magnetic field detection, suppress the influence by noise by comparing results from the repeated operation, and detecting or releasing the magnetic field intensity with high precision, thereby reducing unnecessary power consumption. CONSTITUTION: An output value through logic operation is changed according to the magnetic field intensity applied to a magneto-electric transducer(1). The output of the magneto-electric transducer is inputted as a signal through a differential amplifier, a comparator(40) outputs compared results, and a logic circuit processes the output signal of the comparator through logical operation. The logic circuit compares multiple consecutive logical outputs in case the logical outputs are changed according to the change of the magnetic field intensity. [Reference numerals] (5) ON/OFF circuit;
    • 目的:提供用于将磁场强度转换为电信号的磁传感器装置,以重复磁场检测的操作,通过比较重复操作的结果,以高精度检测或释放磁场强度来抑制噪声的影响 ,从而减少不必要的功耗。 构成:通过逻辑运算的输出值根据施加到磁电换能器(1)的磁场强度而改变。 磁电换能器的输出通过差分放大器作为信号输入,比较器(40)输出比较结果,逻辑电路通过逻辑运算来处理比较器的输出信号。 在逻辑输出根据磁场强度的变化而改变的情况下,逻辑电路比较多个连续的逻辑输出。 (附图标记)(5)ON / OFF电路;
    • 56. 发明授权
    • 자기 센서 회로
    • 磁性传感器电路
    • KR101161595B1
    • 2012-07-03
    • KR1020097016401
    • 2008-03-13
    • 세이코 인스트루 가부시키가이샤
    • 스기우라마사카즈
    • G01R33/07
    • G01R33/0385B82Y25/00G01R33/0023G01R33/022G01R33/072
    • 홀 소자와, 홀 소자를 관통하는 자속에 따른 홀 전압과 임계값 전압을 비교하는 콤퍼레이터 회로와, 콤퍼레이터 회로의 출력 신호로부터 자기 센서 회로의 출력 논리를 결정하는 출력 논리 결정 회로와, 출력 논리 결정 회로가 출력하는 데이터 신호에 의해 임계값 전압을 결정하는 임계값 전압 제어 회로와, 임계값 전압 제어 회로가 출력하는 데이터 신호에 의해 콤퍼레이터 회로의 임계값 전압을 출력하는 임계값 전압 출력 회로를 구비한 자기 센서 회로로서, 회로 규모가 작아, 소비 전류의 증가나 비용 상승을 억제한 자기 센서 회로를 제공할 수 있다.
      자기 센서 회로
    • 比较电路,用于根据通过霍尔元件的磁通量来比较霍尔电压和阈值电压;输出逻辑确定电路,用于根据比较器电路的输出信号确定磁传感器电路的输出逻辑; 以及阈值电压输出电路,用于基于从阈值电压控制电路输出的数据信号输出比较器电路的阈值电压,阈值电压控制电路包括: 作为传感器电路,能够提供抑制消耗电流的增加和成本增加的电路规模小的磁传感器电路。
    • 57. 发明公开
    • 홀 소자 제어 회로
    • 霍尔元件控制电路
    • KR1020110132997A
    • 2011-12-09
    • KR1020110053301
    • 2011-06-02
    • 세미컨덕터 콤포넨츠 인더스트리즈 엘엘씨
    • 구라다께시쯔다히로유끼가미야도모노리나가이히로끼
    • G05F3/02
    • G01R33/0023G01R33/072
    • PURPOSE: A hall device control circuit is provided to simplify the input-output wiring of a camera module by supplying a constant voltage to an input device of a high-side input terminal. CONSTITUTION: A first terminal(T1a) supplies a bias voltage to the high-side input terminal of a hall device(14). A second terminal(T2b) supplies a ground potential to the low potential input terminal of the hall device. A source terminal of a transistor is connected to the current potential. A drain terminal is connected to the first terminal. An operational amplifier(OP2) differentially amplifies the voltage of the first terminal and controls the gate voltage of the transistor. A wiring material is composed of a wiring transferring the bias voltage from the hall device control circuit.
    • 目的:提供一个霍尔设备控制电路,通过向高侧输入端的输入设备提供恒定电压来简化摄像机模块的输入输出接线。 构成:第一端子(T1a)向霍尔器件(14)的高侧输入端子提供偏置电压。 第二端子(T2b)向霍尔器件的低电位输入端子提供接地电位。 晶体管的源极端子连接到电流电位。 漏极端子连接到第一端子。 运算放大器(OP2)差分放大第一端子的电压并控制晶体管的栅极电压。 布线材料由传送门厅装置控制电路的偏置电压的布线构成。
    • 58. 发明公开
    • 자기 센서 회로
    • 磁传感器电路
    • KR1020100053479A
    • 2010-05-20
    • KR1020097016401
    • 2008-03-13
    • 세이코 인스트루 가부시키가이샤
    • 스기우라마사카즈
    • G01R33/07
    • G01R33/0385B82Y25/00G01R33/0023G01R33/022G01R33/072
    • A magnetic sensor circuit includes a Hall element; a comparator circuit for comparing a Hall voltage in accordance with a magnetic flux that penetrates the Hall element and a threshold voltage; an output logic determining circuit for determining the output logic of the magnetic sensor circuit from an output signal of the comparator circuit; a threshold voltage control circuit for determining the threshold voltage based on a data signal output from the output logic determining circuit; and a threshold voltage output circuit for outputting the threshold voltage of the comparator circuit based on a data signal output from the threshold voltage control circuit. With this configuration, a magnetic sensor circuit having a small circuit scale and suppressed with an increase in current consumption and cost can be provided.
    • 磁传感器电路包括霍尔元件; 比较器电路,用于根据穿透霍尔元件的磁通和阈值电压来比较霍尔电压; 输出逻辑确定电路,用于根据比较器电路的输出信号确定磁传感器电路的输出逻辑; 阈值电压控制电路,用于基于从所述输出逻辑判定电路输出的数据信号来确定所述阈值电压; 以及阈值电压输出电路,用于基于从阈值电压控制电路输出的数据信号输出比较器电路的阈值电压。 利用这种结构,可以提供具有小电路规模并且抑制电流消耗和成本增加的磁传感器电路。