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    • 32. 发明申请
    • Moving Image Viewing Apparatus
    • 运动图像查看装置
    • US20080307472A1
    • 2008-12-11
    • US12134298
    • 2008-06-06
    • Masahide TanakaTohru Matsui
    • Masahide TanakaTohru Matsui
    • H04N7/173
    • H04N21/4334G11B27/105G11B27/329G11B31/006H04N5/76H04N5/765H04N5/775H04N5/783H04N21/25435H04N21/4335H04N21/47214H04N21/4784H04N21/812
    • A moving image viewing apparatus or system automatically records on memory all available broadcast programs simultaneously on air even if power switch off. A list of the broadcast programs simultaneously on air is displayed for selection with the power switch on. The system retrieves the selected broadcast program from the memory during the preceding part of the same broadcast program is being recorded. Such an incomplete broadcast program as recorded on the way or given up in midstream is disposed not to be retrieved. The system allows the memory to automatically overwrite the recorded broadcast program with a new one after the recorded broadcast program has been retrieved to the end. Also unselected broadcast program is allowed to be automatically overwritten with a new one after the on air of the broadcast program is over. The overwriting can be inhibited if a user wants to save the broadcast program.
    • 运动图像查看装置或系统即使关闭电源,也可自动在空中同时记录所有可用的广播节目。 在电源开关打开的情况下,将显示同时在空中播放的广播节目列表。 该系统在正在记录相同广播节目的前一部分期间从存储器中检索选定的广播节目。 在中途记录的方式或放弃的这种不完整的广播节目被设置为不被检索。 在记录的广播节目被检索到最后之后,该系统允许存储器用新的记录自动覆盖记录的广播节目。 广播节目播放结束后,还可以自动覆盖未选择的广播节目。 如果用户想要保存广播节目,则可以禁止覆盖。
    • 34. 发明授权
    • Data input/output device for a camera
    • 用于摄像机的数据输入/输出设备
    • US5130734A
    • 1992-07-14
    • US154540
    • 1988-02-05
    • Nobuyuki TaniguchiTakeshi EgawaTohru MatsuiTakanobu OmakiNorio IshikawaAkiyoshi NakamuraShuzo Matsushita
    • Nobuyuki TaniguchiTakeshi EgawaTohru MatsuiTakanobu OmakiNorio IshikawaAkiyoshi NakamuraShuzo Matsushita
    • G02B7/36
    • G02B7/36
    • In an interchangeable lens including an optical system adjustable for focusing and adapted to be detachably mounted on a camera body which is provided with focus detection means for detecting an amount of defocus of an object image formed by the optical system, and drive means for driving the optical system for the focus adjustment thereof in accordance with the detected amount of defocus. The interchangeable lens comprises, inter alia, a code plate for producing a plurality of digital photographic distance signals representing given discrete photographic distances of the optical system in accordance with the adjustment of the optical system for focusing. Circuit means output a predetermined one of a plurality of inputs, the plurality of outputs including a plurality of conversion coefficients needed for converting the detected amount of defocus into the amount of drive to be effected by the driving means, the conversion coefficients being intrinsic to the interchangeable lens and having values depending upon the discrete photographic distances of the optical system represented by the digital photographic distance signals, respectively.The digital photographic distance signals are applied to the circuit means as the predetermined input to cause the circuit means to output one of the conversion coefficients as the predetermined output, the value of which depends upon the photographic distance of the optical system represented by the one digital photographic distance signal being produced. The output conversion coefficient are transmitted to the camera body.
    • 35. 发明授权
    • Focus detection system and lighting device therefor
    • 对焦检测系统及其照明装置
    • US4926206A
    • 1990-05-15
    • US300237
    • 1989-01-23
    • Tohru MatsuiTakeshi Egawa
    • Tohru MatsuiTakeshi Egawa
    • G02B7/34G03B15/05
    • G02B7/346G03B15/05G03B2215/0535G03B2215/0553
    • A lighting device such as an electronic flash device attachable to a camera body includes first and second light projecting optical systems which project first and second light fluxes for illuminating an object to aid focus detection by a focus detection device. The second light flux spreads at a larger solid angle than the first light flux and illuminates a first distance zone which extends to a closer distance side while covering the whole of a second distance zone illuminated by the first light flux. An optical wedge disposed in the second light projecting optical system deflects a part of the second light flux towards the closer distance side of the first distance zone. Another lighting device includes a single light projecting optical system but it also includes an optical wedge for deflecting a part of a light flux projected by the light projecting optical system to widen a distance zone illuminated by the light flux towards a closer distance. The optical wedge also serves to produce a difference in intensity distribution of the light flux such that the light flux has higher intensity at a part thereof for illuminating a farther distance side of the distance zone than at a part thereof for illuminating a closer distance side of the distance zone. A light source of the light projecting optical system(s) is provided with a conical light reflecter surrounding a light emitting diode to reflect light emitted from side surfaces of the light emitting diode forward.
    • 36. 发明授权
    • Rangefinding system
    • 测距系统
    • US4251144A
    • 1981-02-17
    • US018053
    • 1979-03-06
    • Motonobu MatsudaTohru MatsuiYasuhiro NanbaYoshihiro Tanaka
    • Motonobu MatsudaTohru MatsuiYasuhiro NanbaYoshihiro Tanaka
    • G01S17/46G02B7/32G03B7/08G01J1/20
    • G01S17/46G02B7/32
    • This invention is directed to a rangefinding system which includes a light beam source, a plurality of light receiving elements disposed to receive an image light spot reflected from a target object existing in any one of a group of distance zones in such manner that the image light spot is projected on one or more of the light receiving elements, the light receiving elements being adapted to produce a combination of outputs, the contents of which vary depending on the distance between the target object and the rangefinding system the invention also includes a logic circuit for producing signals indicating the distance zone in which the target object exists, the signal generated in response to the combination of outputs, so that the space occupied by the light receiving elements can be advantageously decreased and the precision of rangefinding can be improved.
    • 本发明涉及一种测距系统,其包括光束源,多个光接收元件,其被设置为接收从存在于一组距离区域中的任一组中的目标对象反射的图像光点,使得图像光 光点被投影在一个或多个光接收元件上,光接收元件适于产生输出的组合,其内容根据目标物体与测距系统之间的距离而变化,本发明还包括逻辑电路 用于产生指示目标对象存在的距离区域的信号,响应于输出的组合而产生的信号,使得可以有利地减少由光接收元件占据的空间,并且可以提高测距精度。