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    • 22. 发明授权
    • Oxygen concentration detecting device
    • 氧浓度检测装置
    • US4915813A
    • 1990-04-10
    • US281713
    • 1988-12-09
    • Toyohei NakajimaToshiyuki MienoYasuhiro ToyodaAkira KatoHaruo HoriuchiToru Yano
    • Toyohei NakajimaToshiyuki MienoYasuhiro ToyodaAkira KatoHaruo HoriuchiToru Yano
    • G01N27/406G01N27/413G01N27/417
    • G01N27/417G01N27/4065
    • An oxygen concentration detecting device includes at least one oxygen concentration detecting element formed by an oxygen-pumping element and a cell element, composed of an oxygen ion-conductive wall, separating a pair of electrodes. The oxygen-pumping element and cell element define a gas diffusion chamber. A current detecting resistance forms a series circuit with the oxygen-pumping element. A voltage applying circuit applies to the series circuit an output voltage corresponding to the difference between a voltage between the electrodes of the cell element and a first reference voltage. An output detecting circuit outputs a voltage signal corresponding to a value of pumping current flowing through the resistance. An operational amplifier has a non-inverting input terminal supplied with a second reference voltage, an inverting input terminal connected to one end of the resistance, and an output terminal connected to the other end of the resistance. The output detecting circuit detects a first voltage at the one end of the resistance and a second voltage at the other end and outputs the voltage signal corresponding to the difference between the detected first and second voltages. The output detecting circuit corrects the voltage signal based upon the first and second voltages which are obtained in a state where no pumping current is supplied to the resistance. Electrodes of the oxygen-pumping element and the cell element are connected together within the gas diffusion chamber or within the basic body of the sensor body.
    • 氧浓度检测装置包括由氧抽吸元件形成的至少一个氧浓度检测元件和由氧离子传导壁构成的电池元件,分离一对电极。 氧气抽吸元件和电池元件限定了气体扩散室。 电流检测电阻与氧气抽吸元件形成串联电路。 电压施加电路向串联电路施加与电池元件的电极之间的电压和第一参考电压之间的差相对应的输出电压。 输出检测电路输出与流经电阻的泵浦电流值对应的电压信号。 运算放大器具有提供有第二参考电压的非反相输入端子,连接到电阻的一端的反相输入端子和连接到电阻的另一端的输出端子。 输出检测电路检测电阻一端的第一电压和另一端的第二电压,并输出对应于检测到的第一和第二电压之间的差的电压信号。 输出检测电路基于在不向电阻提供泵浦电流的状态下获得的第一和第二电压校正电压信号。 氧气抽吸元件和电池元件的电极在气体扩散室内或传感器体的基体内连接在一起。
    • 24. 发明授权
    • Brake device for a shutter
    • 快门制动装置
    • US4829329A
    • 1989-05-09
    • US143112
    • 1988-01-12
    • Yasuhiro ToyodaTsuyoshi Fukuda
    • Yasuhiro ToyodaTsuyoshi Fukuda
    • G03B9/18
    • G03B9/18
    • A brake device of a shutter for braking the shutter nearly at the end of the travel of trailing shutter blades includes a moving member which is provided for the trailing blades and moves accordingly as the trailing blades travel; a brake lever for the trailing blades which comes to abut on the moving member nearly at the end of the movement thereof corresponding to the near end of the travel of the trailing blades, the brake lever being arranged to be pushed to move to some extent by the moving member and to brake the travel of the trailing blades with a load resulting from the movement, the brake lever having at least one tapered portion which is in a wedge-like shape; and load means for loading the tapered portion of the brake lever by coming into sliding contact with the tapered portion being moving, the load means including at least two faces opposed to each other at a distance which decreases in the direction of the movement of the tapered portion, at least one of the two faces being formed with a spring member which is arranged to resiliently deform, so that the load resulting from the movement of the brake lever gradually increases.
    • 用于在快门叶片行进结束时制动快门的快门的制动装置包括为拖尾叶片设置的移动部件,并随着后叶片行进而相应地移动; 用于后叶片的制动杆,其几乎在其运动结束时抵靠在移动构件上,对应于后叶片的行进的近端,制动杆被布置成被推动到一定程度上移动 所述移动构件并且由所述运动产生的载荷来制动所述后叶片的行程,所述制动杆具有至少一个楔形形状的锥形部分; 以及用于通过与所述锥形部分滑动接触来装载制动杆的锥形部分的装载装置,所述装载装置包括彼此相对的至少两个面,所述距离在所述锥形部分的移动方向上减小的距离 所述两个面中的至少一个形成有布置成弹性变形的弹簧构件,使得由所述制动杆的运动引起的负载逐渐增加。
    • 25. 发明授权
    • Shutter device and image pick up apparatus
    • 快门装置和图像拾取装置
    • US07380999B2
    • 2008-06-03
    • US11241562
    • 2005-09-30
    • Yasuhiro Toyoda
    • Yasuhiro Toyoda
    • G03B9/08
    • G03B9/08
    • A shutter device, which is capable of achieving power-saving when holding a shutter opening in an open state for a long time by mechanically inhibiting an operation of a second light shielding plate in a direction to close the shutter opening, is provided. The shutter device has a second light shielding plate locking member 37 displaceable to a locking position to inhibit a shutter opening closing operation of the second light shielding plates 10 to 13 and an unlocking position to allow the shutter opening closing operation of the second light shielding plates. The second light shielding plate locking member displaces to the locking position at a point of time when first light shielding plates 2 to 5 fully open the shutter opening, and displaces to the unlocking position immediately before the second light shielding plates start running.
    • 提供了一种快门装置,其能够通过在闭合快门开口的方向上机械地阻止第二遮光板的操作来长时间保持快门打开状态而实现节能。 快门装置具有可移动到锁定位置以阻止第二遮光板10至13的快门打开关闭操作的第二遮光板锁定构件37和允许第二遮光板的快门打开关闭操作的解锁位置 。 在第一遮光板2〜5完全打开活门开口的时刻,第二遮光板锁定构件移动到锁定位置,并且在第二遮光板开始行驶之前移动到解锁位置。
    • 26. 发明授权
    • Driving apparatus, shutter apparatus and camera
    • 驱动装置,快门装置和相机
    • US06835007B2
    • 2004-12-28
    • US10662760
    • 2003-09-15
    • Yasuhiro Toyoda
    • Yasuhiro Toyoda
    • C03B900
    • G03B9/18G03B9/08G03B19/12
    • A driving apparatus having a small charging load, capable of reducing the size of the appratus is disclosed. A present invention discloses a driving apparatus comprises a driving source, a driven member, an energizing member which energizes the driven member in a predetermined direction, a lever member rotatable by receiving the driving force from the driving source at an input portion, which contacts and charges the driven member and a main body which includes a first engaging portion and a second engaging portion and supports the lever member.
    • 公开了一种能够减小设备尺寸的具有小充电负载的驱动装置。 本发明公开了一种驱动装置,包括驱动源,从动构件,沿预定方向对从动构件施力的施力构件,通过在输入部接收来自驱动源的驱动力而可旋转的杆构件, 对从动构件和包括第一接合部分和第二接合部分并且支撑杆构件的主体进行充电。
    • 28. 发明授权
    • Shutter device
    • 快门装置
    • US06474880B2
    • 2002-11-05
    • US09731277
    • 2000-12-06
    • Yasuhiro ToyodaAkira Tomitaka
    • Yasuhiro ToyodaAkira Tomitaka
    • G03B940
    • G03B9/40
    • A shutter device with a shutter base plate having an aperture part and a protruding part. First and second shutter blade members are arranged to travel a predetermined movement distance and a distance shorter than the predetermined distance, respectively, over the aperture part. The second shutter blade member has a slot engaging the protruding part of the base plate. First and second arm members are pivotally supported by the shutter base plate and the second arm member supports the first and second shutter blade members in a swingable manner. The second arm member is also connected to the second shutter blade member, wherein the first shutter blade member and the second shutter blade member are caused to travel over the aperture part by the second arm being driven,
    • 一种具有带孔部分和突出部分的快门基板的快门装置。 第一和第二快门叶片构件被布置成分别在开口部分上行进预定的移动距离和比预定距离短的距离。 第二快门叶片构件具有与基板的突出部分接合的狭槽。 第一和第二臂构件由快门基板枢转地支撑,并且第二臂构件以可摆动的方式支撑第一和第二快门叶片构件。 第二臂构件还连接到第二快门叶片构件,其中第一快门叶片构件和第二快门叶片构件被驱动的第二臂在孔部分上行进,
    • 29. 发明授权
    • Movable control member having improved planar movement control
    • 具有改进的平面运动控制的可移动控制构件
    • US06288854B1
    • 2001-09-11
    • US09215151
    • 1998-12-18
    • Yasuhiro Toyoda
    • Yasuhiro Toyoda
    • G02B702
    • G02B13/02G02B13/00
    • A light flux deflecting device includes a light flux deflecting unit displacable along a predetermined plane for deflecting light flux, and a support unit for supporting the light flux deflecting unit in such a manner as to allow the light flux deflecting unit to move in a direction along the plane, but to restrain the light flux deflecting unit from moving in a direction vertical to the plane. The support unit includes a support portion comprising (1) at least three hinge portions having short sides arranged to lie in the direction along the plane, and (2) rigid members each positioned between two adjacent hinge portions and having a predetermined width in the direction along the plane. A support mechanism having a small-sized and simple construction is achieved which can support the light flux deflecting unit to be freely movable along the predetermined plane with the smallest possible resistance in driving the light flux deflecting unit for movement, and can hold the light flux deflecting unit in a proper posture or orientation without causing tilting and a play in the direction perpendicular to the predetermined plane. The light flux deflecting unit may be implemented as any movable unit displacable along the predetermined plane.
    • 光束偏转装置包括可沿着预定平面移位以偏转光束的光束偏转单元,以及用于支撑光束偏转单元的支撑单元,以允许光束偏转单元沿着沿着 但是为了抑制光束偏转单元在垂直于平面的方向上移动。 所述支撑单元包括支撑部分,所述支撑部分包括(1)至少三个铰链部分,所述铰链部分具有沿所述平面的方向设置的短边,以及(2)刚性部件,每个刚性部件位于两个相邻的铰链部分之间, 沿着飞机。 实现了一种具有小型和简单结构的支撑机构,其可以支持光束偏转单元沿着预定平面自由移动,以最小的可能阻力驱动光束偏转单元移动,并且可以保持光通量 偏转单元处于适当的姿势或取向,而不会在垂直于预定平面的方向上产生倾斜和播放。 光束偏转单元可以被实现为沿着预定平面可移动的任何可移动单元。