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公开(公告)号：US4876564A
公开(公告)日：1989-10-24
申请号：US289458
申请日：1988-12-22
IPC分类号： G02B7/10
CPC分类号： G02B7/102
摘要： A lens drive device capable of operating either of a first interchangeable lens barrel having a photographic lens movable relative to the barrel in a prescribed range with switches arranged at the terminal ends of the range so that when movement of the photographic lens reaches the terminal end, a motor driving the focusing lens member is stopped, and a second interchangeable lens barrel having no switches for stopping the focusing lens drive motor, wherein when the first barrel is in use, the lens drive signal is stopped based on the aforesaid switch, and when the second barrel is in use, the aforesaid signal is stopped in a prescribed time measured from the start of rotation of the motor.
摘要翻译： 一种透镜驱动装置，其能够操作具有相对于所述镜筒的规定范围内可移动的摄影镜头的第一可互换镜筒中的任一个，其中设置在所述范围的末端的开关使得当所述摄影镜头的移动到达所述终端时， 停止聚焦透镜构件的驱动电动机和不具有用于停止聚焦透镜驱动电动机的开关的第二可互换镜筒，其中当使用第一镜筒时，基于上述开关停止镜头驱动信号，并且当 第二桶正在使用中，上述信号在从马达的旋转开始测量的规定时间内停止。
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公开(公告)号：US4760419A
公开(公告)日：1988-07-26
申请号：US943131
申请日：1986-12-18
摘要： A distance measuring apparatus which emits light toward an object, receiving light reflected by the object, and measuring the distance of the object. This apparatus includes receiving means for receiving the reflected light, and the receiving means has at least two receiving areas. According to a disclosed technique, a mean value of photoelectric outputs from the respective receiving areas is calculated, and the distance of the object is measured on the basis of the difference between the mean value and the photoelectric output from either of the receiving areas. According to another disclosed technique, stabilization is provided with respect to amplifier means for amplifying the photoelectric outputs from the receiving means and integrating means.
摘要翻译： 距离测量装置，朝向物体发射光，接收由物体反射的光，并测量物体的距离。 该装置包括用于接收反射光的接收装置，并且接收装置具有至少两个接收区域。 根据所公开的技术，计算来自各个接收区域的光电输出的平均值，并且基于来自任一接收区域的平均值和光电输出之间的差来测量对象的距离。 根据另一公开的技术，关于用于放大来自接收装置和积分装置的光电输出的放大器装置提供稳定性。
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公开(公告)号：US4758082A
公开(公告)日：1988-07-19
申请号：US851088
申请日：1986-04-14
申请人： Susumu Kozuki , Masamichi Toyama , Akihiro Fujiwara , Naoya Kaneda , Youichi Iwasaki , Koji Takahashi , Takashi Amikura , Toshihiko Nishikori
发明人： Susumu Kozuki , Masamichi Toyama , Akihiro Fujiwara , Naoya Kaneda , Youichi Iwasaki , Koji Takahashi , Takashi Amikura , Toshihiko Nishikori
摘要： The invention relates to an active type AF apparatus. In an AF type apparatus for radiating light from a projecting means to an object, receiving light reflected by the object by first and second photosensor portions, and obtaining distance data based on outputs form the photosensor portions, the signals from the first and second photosensor portions are time-divisionally integrated in the same direction by a single integrating circuit and distance data is obtained based on data on integrated values.
摘要翻译： 本发明涉及一种主动式AF装置。 在用于将投影装置的光照射到物体的AF型装置中，从第一和第二光电传感器部分接收由物体反射的光，并且基于从光传感器部分的输出获得距离数据，来自第一和第二光电传感器部分的信号 通过单个积分电路在相同方向上分时积分，并且基于积分值的数据获得距离数据。
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公开(公告)号：US4591919A
公开(公告)日：1986-05-27
申请号：US536369
申请日：1983-09-27
CPC分类号： H04N5/23212
摘要： Disclosed is an automatic focus control system including an active type automatic focusing device. The system further includes detecting apparatus which produces a characteristic signal when detecting that an image forming optical apparatus is in an out-of-focus condition, and control means which renders the automatic focusing device in an inoperative condition when the optical apparatus reaches an in-focus condition. It also renders the focusing device in an operative condition in response to the characteristic signal produced by the detecting apparatus.
摘要翻译： 公开了一种包括主动型自动对焦装置的自动聚焦控制系统。 该系统还包括当检测到图像形成光学装置处于离焦状态时产生特征信号的检测装置，以及当光学装置达到内部状态时使自动聚焦装置处于不工作状态的控制装置， 聚焦条件。 它还使聚焦装置响应于由检测装置产生的特征信号而处于操作状态。
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公开(公告)号：US5031049A
公开(公告)日：1991-07-09
申请号：US569371
申请日：1990-08-14
申请人： Masamichi Toyama , Youichi Iwasaki , Akihiro Fujiwara , Takashi Amikura , Naoya Kaneda , Masahiro Takei
发明人： Masamichi Toyama , Youichi Iwasaki , Akihiro Fujiwara , Takashi Amikura , Naoya Kaneda , Masahiro Takei
CPC分类号： G01S3/7865 , H04N5/23212
摘要： An automatic object image follow-up device includes a setting circuit for shiftably setting a follow-up field; an extracting circuit for extracting a feature of an object in relation to the follow-up field; a store for storing the extracted feature; a detecting circuit for detecting a relative shift between the object and the device on the basis of the feature of the object extracted by the extracting circuit and the feature stored by the store; and a shifting circuit for shifting the follow-up field following up the object according to the relative shift.
摘要翻译： 自动对象图像追随装置包括用于可变地设定后续场的设定电路; 提取电路，用于相对于后续字段提取对象的特征; 用于存储提取的特征的存储器; 检测电路，用于基于由提取电路提取的对象的特征和由存储器存储的特征来检测对象与设备之间的相对移位; 以及移动电路，用于根据相对移位来移动对象后跟随场。
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6.发明授权
公开(公告)号：US5204749A
公开(公告)日：1993-04-20
申请号：US860289
申请日：1992-03-20
申请人： Masamichi Toyama , Youichi Iwasaki , Akihiro Fujiwara , Takashi Amikura , Naoya Kaneda , Masahiro Takei
发明人： Masamichi Toyama , Youichi Iwasaki , Akihiro Fujiwara , Takashi Amikura , Naoya Kaneda , Masahiro Takei
CPC分类号： G01S3/7865 , H04N5/23212
摘要： An automatic follow-up focus detecting device comprises means for shiftably setting a follow-up field; extracting means for extracting a feature of an object in relation to the follow-up field; storing means for storing the extracted feature; detecting means for detecting a relative shift between the object and the device on the basis of the feature of the object extracted by the extracting means and the feature stored by the storing means; and shifting means for shifting a distance measuring field following the object according to the relative shift.
摘要翻译： 一种自动跟踪对焦检测装置，包括用于可变地设定后续场的装置; 提取装置，用于相对于后续字段提取对象的特征; 用于存储提取的特征的存储装置; 检测装置，用于根据由提取装置提取的对象的特征和由存储装置存储的特征来检测对象和装置之间的相对移位; 以及移动装置，用于根据相对移位移动跟随物体的距离测量场。
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公开(公告)号：US4871906A
公开(公告)日：1989-10-03
申请号：US107451
申请日：1987-10-08
CPC分类号： G02B7/36
摘要： A focus detecting device for determining a focused state of a photo taking optical system through a video signal obtained from an image sensor comprises a detecting circuit arranged to detect focused degrees obtained by scanning at a plurality of scanning line parts of an image sensing plane; a correlation determining circuit arranged to determine a correlation between positions on scanning lines at which the focused degrees are detected during the processes of the scanning lines; and a computing circuit arranged to determine a focused state by computing the focused degrees detected from the scanning line parts which are determined to be correlated to each other by the correlation determining circuit.
摘要翻译： 用于通过从图像传感器获得的视频信号来确定摄影光学系统的聚焦状态的焦点检测装置包括：检测电路，被配置为检测通过在图像感测平面的多个扫描线部分进行扫描获得的聚焦度; 相关确定电路，被布置为确定在扫描行的处理期间检测到聚焦度的扫描线上的位置之间的相关性; 以及计算电路，被配置为通过计算由相关确定电路确定为彼此相关的扫描线部分检测到的聚焦度来确定聚焦状态。
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公开(公告)号：US4723073A
公开(公告)日：1988-02-02
申请号：US893532
申请日：1986-08-04
CPC分类号： G02B7/32 , G01S7/4911 , G01S7/4918
摘要： In an automatic focus detecting device having a light projecting element for projecting light for focus detection onto an object to be photographed and a light receiving element for receiving the light reflected by the object, controls an imaging optical system moving to an in-focus position on the basis of an output signal of the light receiving element. The disclosed light emission quantity control device includes a counter for counting the light emission time of the light projecting element from the start thereof and increases the light emission quantity of the light projecting element after the lapse of a predetermined time counted by the counter.
摘要翻译： 在具有用于将焦点检测的光投射到待拍摄对象的光投射元件的自动聚焦检测装置和用于接收被物体反射的光的光接收元件的情况下，控制成像光学系统移动到对焦位置 光接收元件的输出信号的基础。 所公开的发光量控制装置包括一个计数器，用于从其起始点对光投射元件的发光时间进行计数，并且在由计数器计数的预定时间经过之后增加投光元件的发光量。
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公开(公告)号：US4673806A
公开(公告)日：1987-06-16
申请号：US679909
申请日：1984-12-10
申请人： Takashi Amikura , Akihiro Fujiwara
发明人： Takashi Amikura , Akihiro Fujiwara
CPC分类号： G02B7/32
摘要： In the disclosed automatic focus adjusting device of the active type having a light emitting element for projecting light for focus detection onto an object to be photographed, light emitting operation and non-light emitting operations of the light emitting element are periodically effected, and the duty ratio or frequency of the light emitting period is variable.
摘要翻译： 在所公开的有源型自动对焦调节装置中，具有用于将焦点检测的光投射到待拍摄对象上的发光元件，周期性地发光，并且发光元件的发光操作和非发光操作被周期性地实现，并且占空比 发光周期的比率或频率是可变的。
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公开(公告)号：US5291151A
公开(公告)日：1994-03-01
申请号：US74017
申请日：1993-06-09
CPC分类号： H03G1/0035
摘要： The present invention relates to an amplifier for amplifying an input signal. In a sensor amplifier construction according to the present invention, a series arrangement made up of a resistor and a transistor is inserted in a feedback path for an amplifier, and the collector of the transistor is connected to one input of the amplifier and a capacitor is connected between the emitter and the base of the transistor. According to the above-described arrangement, there is provided a sensor amplifier which can eliminate noise with a small-scale construction.
摘要翻译： 本发明涉及放大输入信号的放大器。 在根据本发明的传感器放大器结构中，由电阻器和晶体管组成的串联布置被插入到用于放大器的反馈路径中，并且晶体管的集电极连接到放大器的一个输入端，电容器是 连接在晶体管的发射极和基极之间。 根据上述结构，提供了能够以小规模构造消除噪声的传感器放大器。
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