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    • 12. 发明授权
    • Control circuit for exposure information indicator
    • 曝光信息指示灯控制电路
    • US4112440A
    • 1978-09-05
    • US771994
    • 1977-02-25
    • Kenji Kanemaru
    • Kenji Kanemaru
    • G03B17/18G03B17/20G09G3/04
    • G03B17/20
    • A photoreceptor is connected to an operational amplifier to convert the scene brightness to a voltage. The output of the operational amplifier is connected to a light emitting indicator to indicate exposure information. The output of the operational amplifier is also connected to an indicator brightness control circuit which changes the luminance of the light emitting indicator according to the scene brightness so that the luminance of the indicator is increased when the scene brightness is high and vice versa. The control circuit includes a digital signal generator which outputs digital level signals and a selecting circuit which selects the digital signals and controls the luminance of the indicator according to the selected signals. In order to prevent flickering of the indicator, a hysteresis is provided in the selecting circuit.
    • 感光体连接到运算放大器,以将场景亮度转换为电压。 运算放大器的输出连接到发光指示器以指示曝光信息。 运算放大器的输出也连接到指示器亮度控制电路,其根据场景亮度改变发光指示器的亮度,使得当场景亮度高时指示器的亮度增加,反之亦然。 控制电路包括输出数字电平信号的数字信号发生器和选择数字信号并根据选择的信号控制指示符的亮度的选择电路。 为了防止指示器的闪烁,在选择电路中提供滞后。
    • 15. 发明授权
    • Automatic control circuit system for cameras provided with a focal-plane
shutter having front and rear screens
    • 自动控制电路系统,用于带有前屏幕和后屏幕的焦平面快门的相机
    • US4249809A
    • 1981-02-10
    • US61070
    • 1979-07-26
    • Kenji KanemaruTakashiroh Iwasaki
    • Kenji KanemaruTakashiroh Iwasaki
    • G03B9/62G03B7/093
    • G03B7/093
    • In automatic control systems for cameras, it is highly desirable to be able to conduct automatic continuous photographing under optimum photographing conditions even when a measured light value varies during the photographing operation. To achieve this, a calculation circuit is provided for calculating an amount of electricity to comprise electric information corresponding to the photographing conditions with reference to the measured light value and the sensitivity of the film. Photographing is accomplished in accordance with these photographing conditions by virtue of said automatic control circuit generating a control signal for controlling a shutter mechanism of the camera to end the exposure of the film. The automatic control system includes a memory circuit for memorizing the electric information corresponding to the photographing conditions. A system resetting signal is generated in accordance with a change in the waveform of said control signal after the control signal ends the exposure of the film so that the electric information memorized by said memory circuit is erased.
    • 在用于照相机的自动控制系统中,非常希望能够在最佳拍摄条件下进行自动连续拍摄,即使在拍摄操作期间测量的光值变化时也是如此。 为了实现这一点,提供了一种计算电路,用于参考所测量的光值和胶片的灵敏度来计算包含与拍摄条件对应的电信息的电量。 根据这些拍摄条件,通过所述自动控制电路产生用于控制相机的快门机构以终止胶片的曝光的控制信号来完成照相。 自动控制系统包括用于存储与拍摄条件对应的电信息的存储电路。 在控制信号结束胶片的曝光之后,根据所述控制信号的波形的变化产生系统复位信号,从而擦除由所述存储电路存储的电信息。
    • 16. 发明授权
    • Detecting device and current sensor
    • 检测装置和电流传感器
    • US09291666B2
    • 2016-03-22
    • US14118759
    • 2012-05-29
    • Hiroshi UenoKenji KanemaruDaisuke MoriFrancois PietteWouter Leten
    • Hiroshi UenoKenji KanemaruDaisuke MoriFrancois PietteWouter Leten
    • G01R31/28G01R15/20G01R33/07G01R33/09
    • G01R31/2829G01R15/202G01R33/072G01R33/091
    • A detecting device includes a detecting part configured to detect a change in an object to be detected so as to output a detection signal, an amplifying part configured to amplify the detection signal output from the detecting part to output a first amplification signal, a reference voltage supply part configured to supply a reference voltage to the amplifying part, the reference voltage being input to the amplifying part to be output as a second amplification signal, a switching part configured to switch a connection between the detecting part and the amplifying part or a connection between the amplifying part and the reference voltage supply part based on a control signal input thereto, and a comparing part configured to compare a predetermined amplification factor in the amplifying part, with an amplification factor obtained from the second amplification signal so as to output the comparison result as a comparison signal.
    • 一种检测装置,包括检测部件,被配置为检测被检测物体的变化以输出检测信号;放大部件,被配置为放大从检测部分输出的检测信号,以输出第一放大信号;参考电压 供给部,被配置为向所述放大部提供参考电压,所述参考电压被输入到所述放大部,作为第二放大信号输出;切换部,被配置为切换所述检测部与所述放大部之间的连接或连接 基于输入的控制信号在放大部和基准电压供给部之间设置比较部,以及比较部,其将放大部中的预定放大系数与从第二放大信号得到的放大系数进行比较,输出比较 结果作为比较信号。
    • 17. 发明授权
    • Memory circuit including an EEPROM provided with unique addressing means
for storing at selected memory cells frequently incremented count data
    • 包括具有唯一寻址装置的EEPROM的存储器电路用于存储在所选择的存储器单元处经常递增的计数数据
    • US5280438A
    • 1994-01-18
    • US846959
    • 1992-03-06
    • Kenji Kanemaru
    • Kenji Kanemaru
    • G01R23/10H03K21/40G06F15/20
    • G01R23/10H03K21/403
    • A counter is provided which updates a most-recent counter value to be stored in a non-volatile memory. The counter includes a counter circuit for receiving a series of count pulses defining a count operation and outputting a series of coded binary signals in response thereto. Each one of the series of coded binary signals includes at least first digit data and second digit data. A selecting circuit is coupled to the non-volatile memory and the counter circuit for logically selecting, in response to each respective second digit data, a first select memory cell in the non-volatile memory for which the corresponding first digit data is to be stored. A write control circuit is coupled to the non-volatile memory and the counter circuit for writing a subsequent first digit data over the first select memory cell when a counting operation of the respective digit value has not reached completion, and writing the subsequent first digit data in a different memory cell when a counting operation of the respective digit value has reached completion.
    • 提供了一个计数器,其更新要存储在非易失性存储器中的最新计数器值。 计数器包括一个计数器电路,用于接收定义计数操作的一系列计数脉冲,并响应于此输出一系列编码的二进制信号。 一系列编码二进制信号中的每一个至少包括第一数字数据和第二数字数据。 选择电路耦合到非易失性存储器和计数器电路,用于逻辑地选择响应于每个相应的第二数字数据的非易失性存储器中的第一选择存储器单元,对于其存储对应的第一数字数据 。 写入控制电路耦合到非易失性存储器和计数器电路,用于当各个数字值的计数操作尚未完成时,通过第一选择存储单元写入随后的第一数字数据,并写入后续的第一数字数据 在各个数字值的计数操作已经完成时在不同的存储单元中。
    • 19. 发明授权
    • Analog-to-digital converter of successive-approximation type
    • 逐次逼近型模数转换器
    • US4897658A
    • 1990-01-30
    • US170358
    • 1988-03-18
    • Hiroshi FujiiKenji KanemaruYoshinori FujihashiNobuyoshi Morita
    • Hiroshi FujiiKenji KanemaruYoshinori FujihashiNobuyoshi Morita
    • H03M1/38H03M1/46H03M1/68H03M1/76
    • H03M1/685H03M1/46H03M1/765
    • An analog-to-digital converter of the successive-approximation type has a successive-approximation logic circuit for successively generating selection signals defined by significant bits in a digital value, a string of high resistance elements to provide voltage dividers for successively dividing a reference voltage into divided voltages, a switch matrix circuit for generating the divided voltages when activated in response to the selection signals, a comparator for successively comparing an analog level with the divided voltages and for generating comparison signals respectively indicative of the significant bits and an output circuit for generating an output digital signal defined by the significant bits when applied with all the comparison signals, the output circuit being associated with the logic circuit for causing it to generate the selection signals in response to the comparison signals. A string of low resistance elements are provided to apply therethrough the reference voltage to at least one of the voltage dividers during a short period of time immediately after the one of the voltage dividers has been activated.
    • 逐次近似型的模数转换器具有逐次逼近逻辑电路,用于连续产生由数字值中的有效位定义的选择信号,一组高电阻元件,以提供分压器,用于连续分频参考电压 分压电路,用于响应于选择信号而被激活时产生分压的开关矩阵电路;比较器,用于连续地将模拟电平与分压电压进行比较,并产生分别表示有效位的比较信号和输出电路, 当应用所有比较信号时,产生由有效位定义的输出数字信号,输出电路与逻辑电路相关联,以使其响应于比较信号产生选择信号。 提供一串低电阻元件,用于在紧接在其中一个分压器被激活之后的短时间内将参考电压施加到至少一个分压器。