Program-controlled camera
    1.
    发明授权
    Program-controlled camera 失效
    程控摄像机

    公开(公告)号:US4345829A

    公开(公告)日:1982-08-24

    申请号:US128400

    申请日:1980-03-10

    IPC分类号: G03B7/087 G03B7/081 G03B7/20

    CPC分类号: G03B7/087

    摘要: The present invention concerns with a so-called program-controlled camera where only one different combination of diaphragm aperture and shutter time value is determined based on a different object brightness. Particularly in the program-controlled camera where the object brightness is measured at the full open aperture and then combined with the preset value of film speed to derive a difference between the full open aperture and the effective diaphragm value, in accordance with which the shutter time is controlled while the diaphragm is adjusted to that effective value, a device is provided for carrying out a program shift in automatic response to the full open aperture value of the interchangeable lens used in the camera.

    摘要翻译: 本发明涉及一种所谓程控摄像机,其中仅基于不同的物体亮度来确定光圈孔径和快门时间值的一个不同的组合。 特别是在程序控制的相机中,其中在全开孔径处测量物体亮度,然后与胶片速度的预设值相结合,以导出全开孔径和有效光圈值之间的差异,根据该相机的快门时间 在光阑被调节到该有效值的同时被控制,提供用于执行程序移位以自动响应于相机中使用的可互换镜头的全开孔径值的装置。

    Camera
    2.
    发明授权
    Camera 失效
    相机

    公开(公告)号:US4431287A

    公开(公告)日:1984-02-14

    申请号:US267045

    申请日:1981-05-26

    IPC分类号: G03B7/087 G03B7/081 G03B7/20

    摘要: This invention relates to cameras capable of making exposures in shutter priority, or manual and program modes. Since in the program mode the shutter time and diaphragm aperture are unequivocally determined, the computed value of shutter time is liable to exceed a limit such that effects of shaking of the operator's hand become noticeable. The present invention solves this problem by making use of the shutter dial used for selection of the shutter priority or manual mode to set the limit value. When a longer shutter time than this limit is derived, the diaphragm aperture is readjusted in accordance with this limit of shutter time and the object brightness, while the shutter is adjusted to that limit value.

    摘要翻译: 本发明涉及能够进行快门优先曝光的照相机,或手动和程序模式。 由于在程序模式中明确地确定了快门时间和光阑孔径,因此计算出的快门时间值容易超过操作者的手抖动的效果。 本发明通过使用用于选择快门优先级或手动模式的快门拨盘来设置限制值来解决这个问题。 当获得比此限制更长的快门时间时,根据快门时间和对象亮度的这个限制来重新调整光阑孔径,同时将快门调整到该限制值。

    Display device
    3.
    发明授权
    Display device 失效
    显示设备

    公开(公告)号:US4291960A

    公开(公告)日:1981-09-29

    申请号:US017923

    申请日:1979-03-06

    CPC分类号: G08B5/36 G03B17/18

    摘要: In the display system disclosed, a manually operated switching arrangement sets a display circuit, which displays data in response to a data signal from a data circuit, either into a display mode or a non-display mode. A control arrangement controls the display of the display circuit independently of the switching arrangement and produces a display signal automatically when a display operation is necessary. A warning circuit sets the display circuit into the display state independent of the switching means for displaying warning data instead of display data.

    摘要翻译: 在所公开的显示系统中,手动切换装置设置显示电路,显示电路响应于来自数据电路的数据信号显示数据到显示模式或非显示模式。 控制装置独立于开关装置控制显示电路的显示,并且当需要显示操作时自动产生显示信号。 警告电路将显示电路设置为独立于用于显示警告数据而不是显示数据的切换装置的显示状态。

    Exposure indicator control circuit
    5.
    发明授权
    Exposure indicator control circuit 失效
    曝光指示灯控制电路

    公开(公告)号:US4261659A

    公开(公告)日:1981-04-14

    申请号:US9603

    申请日:1979-02-05

    IPC分类号: G03B17/18 G03B7/093 G03B17/20

    CPC分类号: G03B17/20

    摘要: In the view-finder of a camera having a TTL type light meter connected to an integrating-type analog-to-digital converter through a repeatedly operated electronic switch, there are positioned fifteen light emitting diodes upon selection of an exposure value by the converter, to illuminate a corresponding indicium on a scale of 15 exposure values, such as shutter times. Since a photo-cell exposed to scene light is also positioned in the view-finder, when the brightness of a scene to be photographed is lowered to such an extent that the influence of light from the energized diode on the photo-cell is not negligible, then the decoder for the diode arrangement is controlled to defer initiation of actuation of the one of the diodes which presents the display of an exposure value derived in the preceding cycle of light metering operation pending transition from the light integrating to the analog-to-digital converting step in the following cycle. With the scene brightness above the critical level, a corresponding diode is allowed to light up at the start of each cycle of light metering operation, so that the intensity of illumination on the exposure indicium is increased to make the reading of that indicium easier.

    摘要翻译: 在具有通过重复操作的电子开关连接到积分型模数转换器的TTL型光度计的摄像机的取景器中,在通过转换器选择曝光值时,设置了15个发光二极管, 以15个曝光值的刻度照亮相应的标记,例如快门时间。 由于暴露于场景光的光电池也位于取景器中,所以当要被拍摄的场景的亮度降低到这样的程度时,来自通电二极管的光对光电池的影响是不可忽略的 然后控制用于二极管布置的解码器以推迟二极管中的一个的启动,该二极管中的一个显示在光计量操作的前一循环中导出的曝光值的显示,等待从光积分转换到模拟 - 数字转换步骤如下。 在场景亮度高于临界水平的情况下,允许相应的二极管在每次测光操作循环开始时亮起,从而增加曝光指示灯上的照明强度,使得该标记的读数更加容易。

    Camera with program system
    6.
    发明授权
    Camera with program system 失效
    相机与程序系统

    公开(公告)号:US4329034A

    公开(公告)日:1982-05-11

    申请号:US175950

    申请日:1980-08-07

    CPC分类号: G03B7/087

    摘要: In the disclosed camera, an exposure value determining arrangement produces an electrical signal in response to a light measuring facility and a film sensitivity setting device. An exposure factor unit determines a combination of shutter speed and aperture value for a proper exposure in response to the exposure value determining arrangement. A control connected to the exposure factor unit varies the combination of exposure factors in the exposure factor unit in response to the set position of a program constant setting arrangement which is set for a particular program constant.

    摘要翻译: 在所公开的相机中,曝光值确定装置响应于光测量设备和胶片感光度设置而产生电信号。 曝光因子单元响应于曝光值确定装置确定适当曝光的快门速度和光圈值的组合。 连接到曝光因子单元的控制响应于针对特定节目常数设置的节目恒定设置布置的设置位置来改变曝光因子单元中的曝光因子的组合。

    Digital information conversion system
    7.
    发明授权
    Digital information conversion system 失效
    数字信息转换系统

    公开(公告)号:US4125832A

    公开(公告)日:1978-11-14

    申请号:US786797

    申请日:1977-04-12

    CPC分类号: H03M7/001 G03B7/091

    摘要: A conversion system for a camera of a type controlled through computation of digital information. The system converts a coded digital value into a digital value of another coding. The code which comprises a gray code representing an integer part of the value and a code pattern representing a decimal part of the value is converted in such a manner that: The integer part is converted into a binary code while the decimal part is converted into a code to which a weight of 1/2, 1/4 or 1/8 is applied. With such a method of conversion employed, values set at 1/3 increment or decrement steps such as ASA film sensitivity values are readily converted into binary codes to facilitate the computing operation of the camera.

    摘要翻译: 用于通过计算数字信息控制的类型的照相机的转换系统。 系统将编码的数字值转换为另一编码的数字值。 包含表示该值的整数部分的灰度代码的代码和表示该值的小数部分的代码模式被转换成:将整数部分转换为二进制代码,而将小数部分转换为 施加1/2,1/4或1/8的重量的代码。 通过采用这种转换方法,将设置为1/3的增量或递减步骤(例如ASA胶片敏感度值)的值容易地转换为二进制码,以便于照相机的计算操作。

    Focus adjusting device
    9.
    发明授权
    Focus adjusting device 失效
    聚焦调节装置

    公开(公告)号:US4443086A

    公开(公告)日:1984-04-17

    申请号:US330438

    申请日:1981-12-14

    CPC分类号: G02B7/34

    摘要: In the disclosed focus adjusting device, at least part of an image forming optical system and a focus adjusting mechanism is arranged within a housing attachable to and detachable from a camera body. A focus condition detector includes a photo-sensor disposed on a plane corresponding to the camera image plane, an electrical detection circuit connected to the photo-sensor, and a detecting optical system for forming an image of at least a part of the object on the surface of the photo-sensor. An aural indicator emits a sound to inform a photographer of the condition of the image formed on the surface of the predetermined focal plane as determined by the focusing condition detector.

    摘要翻译: 在所公开的焦点调节装置中,图像形成光学系统和焦点调节机构的至少一部分被布置在可附接到照相机主体并且可从照相机主体拆卸的壳体内。 焦点条件检测器包括设置在与摄像机图像平面相对应的平面上的光电传感器,连接到光传感器的电检测电路,以及检测光学系统,用于在物体的至少一部分上形成图像 光传感器的表面。 听觉指示器发出声音,以通知摄影者由聚焦状态检测器确定的在预定焦平面的表面上形成的图像的状态。

    Focus detecting system
    10.
    发明授权
    Focus detecting system 失效
    聚焦检测系统

    公开(公告)号:US4341953A

    公开(公告)日:1982-07-27

    申请号:US151533

    申请日:1980-05-19

    CPC分类号: G03B3/10

    摘要: A focus detecting system for detecting focusing condition of an image forming optical system to an object. In this system there are produced first and second signals corresponding to imaging conditions of object images at first and second positions on front and rear sides of and at substantially equal distances from a predetermined focal plane of said optical system, respectively, and another signal corresponding to imaging condition of an object image at third position substantially coincident with said predetermined focal plane. In accordance with these first, second and third signals, a decision is given as to the focusing condition, namely, in-focus, near-focus or far-focus condition, as well as, the distinction between correctly focused condition and considerably defocused condition.

    摘要翻译: 一种用于检测成像光学系统的对焦条件到对象的焦点检测系统。 在该系统中,分别产生对应于来自所述光学系统的预定焦平面的前侧和后侧上的第一和第二位置处的物体图像的成像条件的第一和第二信号,以及对应于 在第三位置处的物体图像的成像条件基本上与所述预定焦平面重合。 根据这些第一,第二和第三信号,给出关于聚焦条件即聚焦,近焦点或远焦点条件以及正确聚焦条件和显着散焦条件之间的区别的决定 。