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    • 2. 发明专利
    • CASE OF TELEVISION CAMERA
    • JPS60177772A
    • 1985-09-11
    • JP3243284
    • 1984-02-24
    • HITACHI LTD
    • TAKAHARA KAZUKONOGUCHI SEKIKENSADAKANE KENICHIROU
    • G03B17/02G12B15/00G12B15/04H04N5/222H04N5/225
    • PURPOSE:To watch abnormal states in an atomic lamp container under high temperature environment by improving the cooling efficiency of a TV camera case. CONSTITUTION:An inner case 7 and the finned outer case 8 of the case and the part other than cooling module are wholly made of aluminium, and a good heat insulating material 10 such as rock wool etc. is packet between the two cases. A window for lens in front of the case is doubly glassed. Heat of 27b, 27c transmitted from the outer case 8 to the inner case through the heat insulating material 10 is attracted again from the inner case to the cooling module, and consequently, does not come into the inner case. Accordingly, intrusion of heat into the inner case is made only through the double glassed window 20 in front of the case. The intruded heat 21 and heat generation of the camera 17 are transmitted to the inner case 7b and carried to the outer case 8b by the cooling module 9. Accordingly, cooling efficiency higher than conventional technique can be obtained by a cooling module having the same cooling capacity as used in conventional techniques.
    • 6. 发明专利
    • Thread feeding mechanism
    • 螺纹送料机构
    • JPS599350A
    • 1984-01-18
    • JP11672582
    • 1982-07-07
    • Hitachi Ltd
    • ICHIKAWA YOSHIAKISATOU CHIKARASADAKANE KENICHIROUOZAKI NORIHIKOTOMIZAWA FUMIOIWATSUKA NOBUYOSHI
    • F16H25/20
    • F16H25/20F16H25/2056
    • PURPOSE:To enable to set the expansion and contraction ratio of a thread feeding mechanism to 2 or more by forming a telescopic detent only on the thread element at the tip end and freely turning the other thread elements. CONSTITUTION:An initial element 11, a middle element 12 and a final element 13 are coupled via threads of the same lead, and only the element 13 is restricted to rotate by a telescopic detent 14. When the lead is represented by l, the rotating speed of the element 11 is represented by alpha and the rotating speed of the element 12 is represented by beta, the feeding distance of the element 13 becomes, even if the rotating speed beta of the element 12 is any value, constant value alphal. This relationship corresponds to a general n-stage structure. In other words, the expansion and contraction values depend upon the rotating speed of the initial element irrespective or the presence of the middle element.
    • 目的:通过仅在顶端的螺纹元件上形成伸缩式止动件,可自由转动其他螺纹元件,使送丝机构的伸缩率达到2以上。 构成:初始元件11,中间元件12和最终元件13通过相同引线的螺纹连接,并且只有元件13被限制以通过伸缩式止动件14旋转。当引线由l表示时,旋转 元件11的速度由α表示,并且元件12的旋转速度由β表示,即使元件12的转速β是任何值,常数值为α,元件13的馈送距离变为。 这种关系对应于一般的n阶段结构。 换句话说,膨胀和收缩值取决于初始元件的转速与中间元件的存在无关。
    • 7. 发明专利
    • MEASURING DEVICE OF DISTANCE TO OBJECT
    • JPS58151510A
    • 1983-09-08
    • JP3390882
    • 1982-03-05
    • HITACHI LTDHITACHI ENG CO LTD
    • YASHIRO TAKEMITSUSADAKANE KENICHIROU
    • G01B11/00G01C3/00G01C3/06
    • PURPOSE:To measure a distance to an object by one television camera, by varying the horizontal direction of the television camera by a microscopic angle, and deriving a distance to an object to be photographed, from a moving extent of a target point on the monitor picture. CONSTITUTION:A target point A reflected on a monitor picture 10 moves to a point B when a television camera is turned by a microscopic angle DELTAQ in the horizontal direction, and a moving extent Xm is shown by the expression. (f), (a) and M denote a focal distance, a distance to an object to be photographed, and magnification to a monitor from a camera, respectively. A composite video signal 201 sent from a monitor television 21 is converted to a vertical synchronizing signal 203 and a horizontal synchronizing signal 204 by a synchronizing separating circuit 22 and a waveform shaping circuit 23, the target point on the monitor television 21 is inputted as a luminance signal to a light pen controller 24 through a light pen 25, the position is operated by its comparison and callation, Xm is derived, and a distance (a) to the object to be photographed is derived.
    • 10. 发明专利
    • Optical connector of single cored optical fiber cable
    • 单根光纤光缆的光学连接器
    • JPS593402A
    • 1984-01-10
    • JP11161582
    • 1982-06-30
    • Hitachi Ltd
    • YOSHIOKA SENJISADAKANE KENICHIROU
    • G02B6/00G02B6/36H04B10/25H04B10/2581
    • G02B6/3604
    • PURPOSE:To obtain an optical connector wherein the core shafts of two single- cored optical fiber cables can rotate independently and freely by incorporating two short-sized optical fiber single cores and a bearing. CONSTITUTION:The end faces of the optical fiber cores 3, 4 of the single-cored optical fiber cables to be connected are brought into contact with the end faces of the short-sized optical fiber single cores 13, 14 contained in an adapter part 300 and are coupled thereto; further, the cores 13, 14 are optically connected with a gap 21. A bearing construction consisting of a cylindrical outer race 17, an inner race 18, a rolling body 19, and a stop ring 20 for the rolling body is adapted in the part 300, so that the plug parts 100, 200 of the respective optical connectors are rotated around the revolving axis of the bearing with less rotating friction.
    • 目的:为了获得光纤连接器,其中两根单芯光纤电缆的芯轴可以通过并入两根短尺寸光纤单芯和一个轴承而独立自由地旋转。 构成:要连接的单芯光纤电缆的光纤芯3,4的端面与容纳在适配器部件300中的短尺寸光纤单芯13,14的端面接触 并耦合到其上; 此外,芯13,14与间隙21光学连接。由圆筒形外圈17,内圈18,滚动体19和用于滚动体的止动环20组成的轴承结构适用于该部分 300,使得各个光学连接器的插头部分100,200以较少的旋转摩擦力绕着轴承的旋转轴线旋转。