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    • 86. 发明授权
    • Variable valve actuator apparatus
    • 可变阀致动器装置
    • US6098580A
    • 2000-08-08
    • US145224
    • 1998-09-01
    • Tetsuro GotoYoshihiko Yamada
    • Tetsuro GotoYoshihiko Yamada
    • F01L1/04F01L1/053F01L1/356F01L13/00F02F1/24
    • F01L1/0532F01L1/356F01L2001/0537F01L2105/00
    • A VVA apparatus includes a control rod controlling position of each of supports that are held for movement within a plane perpendicular to a shaft axis of a driving shaft. The supports have intermediate members, each being drivingly connected between a driving sleeve and a driven hollow camshaft. Spaced cam brackets hold the hollow cams, respectively, on a cylinder head of an engine. The control rod has eccentric cams at predetermined spaced portions for driving connection with the supports, respectively. A control rod holding structure includes a base portion fixed to the cylinder head and bearing portions extending from the base portion. The bearing portions of the control rod holding structure hold the control rod at locations in the vicinity of the predetermined spaced portions where the eccentric cams are.
    • VVA装置包括控制杆,每个支撑件的位置保持在垂直于驱动轴的轴线的平面内运动。 支撑件具有中间构件,每个构件驱动地连接在驱动套筒和从动空心凸轮轴之间。 间距凸轮支架将中空凸轮分别固定在发动机的气缸盖上。 控制杆具有分别用于驱动与支撑件的连接的预定间隔部分的偏心凸轮。 控制杆保持结构包括固定到气缸盖的基部和从基部延伸的轴承部。 控制杆保持结构的轴承部分将控制杆保持在偏心凸轮的预定间隔部分附近的位置处。
    • 87. 发明授权
    • Camera having a shutter measuring apparatus
    • 相机具有快门测量装置
    • US5758213A
    • 1998-05-26
    • US178850
    • 1994-01-07
    • Tetsuro GotoMasanori HasudaAkira Katayama
    • Tetsuro GotoMasanori HasudaAkira Katayama
    • G03B9/36G03B7/10G03B9/18G03B17/18G03B43/02G03B9/08
    • G03B9/18G03B17/18G03B43/02G03B7/10
    • A shutter of a camera is provided with a shutter trip detecting device includes LEDs and PTRs. Measured are tripping timings of leading and trailing curtains for admitting and intercepting object light to an aperture. An exposure time on a film and a tripping time (curtain velocity) of each curtain are thus detected. The detected result is compared with a fiducial value, and an alarm is given according to the need. There are detected mechanical fluctuation elements relative to the shutter, e.g., a scatter of the exposure time on the film, a partial uneveness of the exposure time and an influence on the exposure time due to a fault in a driving mechanism. The alarm can be thus given to the user, and an automatic adjustment can be made. The shutter trip detecting device includes the shutter leading/trailing curtains, the LEDs and PTRs which detect tripping thereof.
    • 相机的快门设置有包括LED和PTR的快门跳闸检测装置。 测量的是前后窗帘的跳闸时间,用于允许和拦截物体光到光圈。 因此,检测每个帘幕上的胶片上的曝光时间和跳闸时间(帘幕速度)。 将检测结果与基准值进行比较,并根据需要进行报警。 检测到相对于快门的机械波动元件,例如,胶片上的曝光时间的散射,曝光时间的局部不均匀性以及由于驱动机构中的故障对曝光时间的影响。 因此可以向使用者发出警报,可进行自动调整。 快门跳闸检测装置包括快门前后帘,检测其脱扣的LED和PTR。
    • 88. 发明授权
    • Display driving apparatus with automatic drive voltage optimization
    • 具有自动驱动电压优化的显示驱动装置
    • US5748170A
    • 1998-05-05
    • US482850
    • 1995-06-07
    • Tetsuro Goto
    • Tetsuro Goto
    • G09G3/36G09G3/34
    • G09G3/3696G09G2320/041
    • A display driving apparatus, which can automatically optimize a visual state in accordance with a temperature in a photographing operation, a photographing attitude of a user, and a user's preference, is disclosed. The apparatus may include an electro-optical display unit, a temperature detection unit for detecting an ambient temperature of the electro-optical display unit, and generating a temperature detection signal, a bias value generation unit for generating a bias value to the electro-optical display unit, a changing unit for changing the bias value, a storage unit for storing a plurality of bias values changed by the changing unit in correspondence with the temperature detection signals, and a bias value control unit for executing statistical processing of the plurality of bias values stored in the storage unit, and controlling the bias value generation unit on the basis of the processing result.
    • 公开了一种显示驱动装置,其能够根据拍摄操作中的温度,用户的拍摄姿态和用户的偏好自动优化视觉状态。 该装置可以包括电光显示单元,用于检测电光显示单元的环境温度并产生温度检测信号的温度检测单元,用于产生电光偏置值的偏置值生成单元 显示单元,用于改变偏差值的改变单元,存储单元,用于存储与温度检测信号相对应的由改变单元改变的多个偏差值;以及偏置值控制单元,用于执行多个偏差的统计处理 存储在存储单元中的值,并且基于处理结果来控制偏置值生成单元。
    • 89. 发明授权
    • Driver for piezoelectric actuator and shutter control device utilizing
piezoelectric device
    • 驱动器用于压电致动器和快门控制装置利用压电装置
    • US5678106A
    • 1997-10-14
    • US317746
    • 1994-10-04
    • Tetsuro GotoAkira KatayamaYoshiaki TanabeMasanori Hasuda
    • Tetsuro GotoAkira KatayamaYoshiaki TanabeMasanori Hasuda
    • G03B7/10G03B9/18H01L41/04H01L41/09G03B9/08
    • H02N2/06G03B7/10G03B9/18H02N2/043H02N2/067
    • A driving device for a piezoelectric actuator, in which a voltage is applied to a piezoelectric actuator to generate a mechanical deformation therein, thus actuating a mechanical system. In an aspect, the piezoelectric actuator is at first given a voltage of inverse polarity, for generating a displacement in an opposite direction, and then given a voltage of forward polarity, for generating a displacement in the normal functioning direction, thereby actuating the mechanical system. Displacement and acceleration become larger, as the displacement of the actuator takes place from a position in the inverse direction. In another aspect, the electrical insulation state of the piezoelectric actuator is detected and, if deteriorated, the destruction of insulation is prevented by an alarm generation and/or inhibition of voltage application in an embodiment, the insulation state is identified from the ambient humidity of the actuator. In another embodiment, if the detected humidity is at a high level that may induce destruction of insulation, the piezoelectric actuator is driven with a low voltage, in order to dehumidify by heat generation. The piezoelectric actuator may be used in a shutter control device for a camera.
    • 一种用于压电致动器的驱动装置,其中电压施加到压电致动器以在其中产生机械变形,从而致动机械系统。 在一方面,首先给压电致动器提供相反极性的电压,用于产生相反方向的位移,然后给出正极性的电压,以产生正常运行方向上的位移,从而致动机械系统 。 位移和加速度变大,因为致动器的位移是从相反方向的位置发生的。 在另一方面,检测压电致动器的电绝缘状态,如果劣化,则在实施例中通过报警产生和/或电压施加的抑制来防止绝缘的破坏,绝缘状态从环境湿度 执行器。 在另一个实施例中,如果检测到的湿度处于可能引起绝缘破坏的高电平,则压电致动器由低电压驱动,以便通过发热来除湿。 压电致动器可用于相机的快门控制装置。
    • 90. 发明授权
    • Camera capable of performing divisional photometry
    • 相机能进行分光测光
    • US5587765A
    • 1996-12-24
    • US450223
    • 1995-05-25
    • Tetsuro Goto
    • Tetsuro Goto
    • G03B7/099G03B7/28G03B7/08
    • G03B7/09979
    • The camera capable of performing divisional photometry according to the present invention includes a photometric sensor which is made up from a plurality of photoelectric conversion sub-elements arranged in close proximity to one another over a predetermined light receiving region in a two dimensional array and which performs divisionally photometry on the photographic field divided into a plurality of regions, an image projection optical system which projects an image of a photographic field upon light receiving surfaces of a proper subset of this plurality of photoelectric conversion sub-elements which occupies a region which is smaller than the predetermined light receiving region, and a calculation device which calculates an exposure value based upon the photometric outputs from the proper subset of the plurality of photoelectric conversion sub-elements.
    • 根据本发明的能够进行分光测光的照相机包括光度传感器,其由在二维阵列中的预定光接收区域彼此靠近地布置的多个光电转换子元件构成,并且其执行 在分割成多个区域的摄影场上进行分光测光;图像投影光学系统,其将占据较小区域的多个光电转换子元件的适当子集的摄影场的图像投影 以及计算装置,其基于来自所述多个光电转换子元件的适当子集的测光输出来计算曝光值。