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    • 1. 发明授权
    • Film Transporting device for use in a camera
    • 胶片用于相机的传送装置
    • US4477163A
    • 1984-10-16
    • US435217
    • 1982-10-19
    • Toshiaki MatsumotoNobuyuki Taniguchi
    • Toshiaki MatsumotoNobuyuki Taniguchi
    • G03B1/62G03B17/36G03B17/42G03B1/18
    • G03B1/62G03B17/36G03B17/425
    • A film transporting device for use in a camera disclosed is so designed as to rewind the film such that no film portion is engaged in film take-up sprocket, resulting in an easy take out of the used film. The device in one form includes a counter that counts up the number of frames during a wind-up operation is carried out after the positioning of a film leader in contact with the take-up sprocket, and during a rewind operation, the counter counts down the same number of frames, or more, to locate the film leader in a disengaged position from the sprocket. The device in another form includes a film perforation detector. In this form, the film rewind operation is carried out until the perforation detector stops detecting the perforation. In a further form, the device includes a mechanical counter which counts up the frames used during wind-up operation, and during rewind operation counts down more than the number counted up to ensure that the film leader portion is withdrawn from the take-up sprocket.
    • 用于所公开的照相机中的胶片传送装置被设计成重新卷绕胶片,使得胶片吸收链轮中没有胶片部分接合,从而容易地取出用过的胶片。 一种形式的装置包括一个计数器,该计数器在胶片导向器与卷取链轮接触的定位之后执行卷绕操作期间对帧数进行计数,并且在重绕操作期间,计数器倒数 相同数量的框架或更多,以将胶片引导者定位在离开链轮的脱离位置。 另一种形式的装置包括薄膜穿孔检测器。 在这种形式中,进行薄膜倒带操作直到穿孔检测器停止检测穿孔。 在另一形式中,该装置包括一个机械计数器,用于对在卷绕操作期间使用的框架进行计数,并且在倒带操作期间倒计数多于所计数的数量,以确保胶片引导部分从卷取链轮中取出 。
    • 3. 发明授权
    • Film transporting device for use in a camera
    • 用于相机的胶片输送装置
    • US4540261A
    • 1985-09-10
    • US631155
    • 1984-07-17
    • Toshiaki MatsumotoNobuyuki Taniguchi
    • Toshiaki MatsumotoNobuyuki Taniguchi
    • G03B1/62G03B17/36G03B17/42G03B1/18
    • G03B1/62G03B17/36G03B17/425
    • A film transporting device for use in a camera disclosed is so designed as to rewind the film such that no film portion is engaged in film take-up sprocket, resulting in an easy take out of the use film. The device in one form includes a counter that counts up the number of frames during a wind-up operation is carried out after the positioning of a film leader in contact with the take-up sprocket, and during a rewind operation, the counter counts down the same number of frames, or more, to locate the film leader in a disengaged position from the sprocket. The device in another form includes a film perforation detector. In this form, the film rewind operation is carried out until the perforation detector stops detecting the perforation. In a further form, the device includes a mechanical counter which counts up the frames used during wind-up operation, and during rewind operation counts down more than the number counted up to ensure that the film leader portion is withdrawn from the take-up sprocket.
    • 用于所公开的照相机中的胶片传送装置被设计成重新卷绕胶片,使得没有胶片部分接合在胶卷吸收链轮中,从而易于取出使用膜。 一种形式的装置包括一个计数器,该计数器在胶片导向器与卷取链轮接触的定位之后执行卷绕操作期间对帧数进行计数,并且在重绕操作期间,计数器倒数 相同数量的框架或更多,以将胶片引导者定位在离开链轮的脱离位置。 另一种形式的装置包括薄膜穿孔检测器。 在这种形式中,进行薄膜倒带操作直到穿孔检测器停止检测穿孔。 在另一形式中,该装置包括一个机械计数器,用于对在卷绕操作期间使用的框架进行计数,并且在倒带操作期间倒计数多于所计数的数量,以确保胶片引导部分从卷取链轮中取出 。
    • 6. 发明授权
    • Photographic devices for controlling flash photography
    • 用于控制闪光摄影的照相设备
    • US4344680A
    • 1982-08-17
    • US249404
    • 1981-03-31
    • Tokuji IshidaNobuyuki TaniguchiMasatoshi ItohToshiaki MatsumotoTatsuro IzumiMasatake Niwa
    • Tokuji IshidaNobuyuki TaniguchiMasatoshi ItohToshiaki MatsumotoTatsuro IzumiMasatake Niwa
    • G03B7/16G03B15/05H05B41/32H05B41/34
    • G03B15/05G03B7/16G03B2215/0578G03B2215/0582
    • In a photographic system for flash photography, the firing current of an electronic flash tube is selectively restricted in accordance with the detection of whether or not the flash light amount necessary for a flash photograph is below a predetermined level prior to the firing of the flash tube for a photographic exposure. A selection is made between a first mode of flash firing with flash tube current flowing through a switching element and a second mode of flash firing with a flash tube current flowing through an impedance device serially connected with the flash tube. Alternatively, a selection can be made between higher or lower voltage levels to which the main flash firing capacitor is charged. The amount of light required from a flash device can be preparatorily identified and when less than a predetermined light output the flash device is caused to select the second mode of flash firing, or alternatively to select the lower level of the voltage charged by the main capacitor. The operation of the flash tube is controlled such that the flash light emission therefrom substantially corresponds to the necessary flash light amount such that a reduction is obtained in the ratio of excessive amount of flash light to the necessary amount of flash light.
    • 在用于闪光摄影的摄影系统中,根据闪光灯照射所需的闪光量是否低于闪光管的闪光灯的预定水平,来选择性地限制电子闪光管的点火电流 为摄影曝光。 在闪光灯闪光的第一模式与流过开关元件的闪光管电流之间进行选择,并且通过流过与闪光管串联连接的阻抗元件的闪光管电流进行第二闪光闪光模式的选择。 或者,可以在对主闪光点火电容器进行充电的较高或较低的电压电平之间进行选择。 可以准确地识别闪光装置所需的光量,并且当小于预定光输出时,闪光装置被选择第二种闪光模式,或者替代地选择由主电容器充电的较低电压 。 控制闪光管的操作,使得其闪光发射基本上对应于必要的闪光量,使得以闪光量过多的量与闪光的量相比获得减少。
    • 7. 发明授权
    • Variable focal length camera
    • 可变焦距长焦相机
    • US5099263A
    • 1992-03-24
    • US610453
    • 1990-11-09
    • Toshiaki MatsumotoTakeo HodaYoshiaki HataMasatoshi KamitaniNorihiro Inoue
    • Toshiaki MatsumotoTakeo HodaYoshiaki HataMasatoshi KamitaniNorihiro Inoue
    • G03B19/07
    • G03B19/07
    • The present invention provides a bifocal camera capable of changing focal length of a photographic lens system and having lens drive means operable by a motor to switch the photographic lens system between a first focal length state wherein a main lens component is located at a rear position and a second focal length state wherein the main lens component is located at a front position and an auxiliary lens component is located at an operative position. This camera comprises a device for automatically stopping the motor when shifting of the main lens component is interrupted by force, and a device for restricting the shifting of the main lens component between the front position and the rear position. The auxiliary lens component is moved and a lens barrier is opened and closed in interlocked relationship with the shifting of the main lens component.
    • 本发明提供了一种能够改变摄影透镜系统的焦距并具有可由电动机操作的透镜驱动装置的双焦照相机,以便在主透镜部件位于后方位置的第一焦距状态和 第二焦距状态,其中主透镜部件位于前方位置,辅助透镜部件位于操作位置。 该照相机包括用于当通过力中断主透镜部件的移动时自动停止电动机的装置,以及用于限制主透镜部件在前位置和后位置之间移位的装置。 辅助透镜部件被移动,并且透镜屏障与主透镜部件的偏移以互锁关系打开和关闭。
    • 9. 发明授权
    • Synchronization detection circuit
    • 同步检测电路
    • US07342953B2
    • 2008-03-11
    • US10335938
    • 2003-01-03
    • Toshiaki Matsumoto
    • Toshiaki Matsumoto
    • H04B1/00
    • H04B1/70757H04B1/7093
    • A synchronization detection circuit includes: a matched filter 105 for outputting a correlation value, between a spreading code and data that is obtained by sampling a code spread signal 101, using a sampling clock for one chip cycle; a sampling clock generator 102 for generating the sampling clock, so that, for each cycle of a code spreading signal, a phase delay for the basic clock of one chip cycle is increased by a value obtained by dividing one chip cycle by an integer; and a synchronization determination unit 107 for determining the timing whereat the maximum correlation value is attained and for performing synchronization detection.
    • 同步检测电路包括:匹配滤波器105,用于通过使用一个码片周期的采样时钟,在扩展码和通过对码扩展信号101进行采样而获得的数据之间输出相关值; 用于产生采样时钟的采样时钟发生器102,使得对于码扩展信号的每个周期,将一个码片周期的基本时钟的相位延迟增加通过将一个码片周期除以整数而获得的值; 以及同步确定单元107,用于确定获得最大相关值的时间并执行同步检测。