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    Film developing camera
    1.
    发明授权
    Film developing camera 失效
    电影摄影机

    公开(公告)号：US3667361A

    公开(公告)日：1972-06-06

    申请号：US3667361D

    申请日：1969-01-08

    Applicant: MATTEL INC

    Inventor： MEGGS DANIEL H ,  RYAN JOHN W

    IPC: G03B17/30 ,  G03B17/50

    CPC classification number: G03B17/50 ,  G03B17/305

    Abstract: A simple camera and film cartridge which enables the film to be developed within the camera, comprising a length of film within the cartridge with its ends joined to form a loop. The film loop can be advanced in one direction to take successive pictures and then can be moved in the reverse direction for developing. At the beginning of reverse movement, the film removes a cover that separates it from a sponge that is saturated with a monobath developer/fixer solution, so that continuous turning of the loop develops the film which can then be removed from the cartridge.

    Abstract translation: 一种简单的相机和暗盒，其能够使胶片在照相机内显影，包括胶片盒内的一段胶片，其端部连接形成一个环。 电影循环可以在一个方向前进，以拍摄连续的图像，然后可以反向移动进行显影。 在反向运动的开始时，胶片去除了一个将其与由一个显影剂/定影剂溶液饱和的海绵分开的盖子，使得环的连续转动产生了膜，然后可以将其从盒中取出。

    Spaceman carrier toy
    2.
    发明授权
    Spaceman carrier toy 失效
    西班牙运输车玩具

    公开(公告)号：US3594947A

    公开(公告)日：1971-07-27

    申请号：US3594947D

    申请日：1968-11-29

    Applicant: MATTEL INC

    Inventor： HARTLING DONALD C ,  HULSE ROBERT E ,  PIMENTEL GRAY W ,  RYAN JOHN W

    IPC: A63H3/48 ,  A63H7/00 ,  A63H13/04 ,  A63H13/00

    CPC classification number: A63H13/04 ,  A63H3/48 ,  A63H7/00

    Abstract: A toy for a spaceman doll to provide the effect of amplification of the stride and reach of the doll. The carrier comprises a pair of adjustable stilts with clamps for holding the boots of a spaceman doll. A frame which simulates a backpack for the doll, pivotally joins the stilts near their top to enable movement of the stilts apart and together to simulate giant doll strides. Long grasping tools on each side of the doll simulate apparatus for extending its reach.

    Auto chord device
    3.
    发明授权
    Auto chord device 失效
    自动CHORD设备

    公开(公告)号：US3568560A

    公开(公告)日：1971-03-09

    申请号：US3568560D

    申请日：1968-12-18

    Applicant: MATTEL INC

    Inventor： CHANG RICHARD S ,  PEARLMAN MARSHALL B ,  RYAN JOHN W ,  SIOLES GEORGE W

    IPC: G10D3/04 ,  G10D3/00 ,  G09B15/02

    CPC classification number: G10D3/043

    Abstract: Apparatus for playing chords on a guitar which enables a rapid change between chord positions, including the major, minor, and dominant seventh chords of two keys separated by five half-tones. The apparatus comprises a chording device with levers for changing between the major, minor and dominant seventh chords of one key. The chording device is shiftable laterally, and it includes cams which alter the positions at which the guitar strings are depressed when a lateral shift occurs to establish the corresponding chord in the other key.

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