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    Type member position sensing system in a high speed printer
    1.
    发明授权
    Type member position sensing system in a high speed printer 失效
    高速打印机中的类型会员位置感应系统

    公开(公告)号：US3605610A

    公开(公告)日：1971-09-20

    申请号：US3605610D

    申请日：1968-06-04

    Applicant: GEN ELECTRIC

    Inventor： MCDOWELL EARLE B ,  JONES CLIFFORD M ,  PUY SEYMOUR M DE

    IPC: G06K15/08 ,  B41J5/30

    CPC classification number: G06K15/08

    Abstract: A PRINT HAMMER ACTUATOR ASSEMBLY FOR HIGH SPEED A POSITION SENSING SYSTEM THAT DETECTS THE LOCATION OF EACH ELEMENT OF A PLURALITY OF ELEMENTS AS THEY TRAVERSE A PRINTERS. TWO ELECTROMAGNETICALLY ENERGIZED ACTUATOR CONSTRUCTIONS ARE PROVIDED, WHICH ARE MECHANICALLY EQUIVAPREDETERMINED PATH. THE SYSTEM IS DISCLOSED IN CONJUNCLENT BUT OF COMPLEMENTARY GEOMETRY SO THAT THEY CAN BE TION WITH A PRINTING ARRANGEMENT WHEREIN THE ELEMENTS ARE THE CHARACTER BEARING FINGERS ON A CONTINUOUS MOVING LOCATED TOGETHER IN A MANNER FACILITATING INDIVIDUAL REMOVAL OF THE ACTUATORS. THE ACTUATORS ARE LOCATED IN DIBELT. RECTIONS PARALLEL TO THE LINE OF PRINT BY ALIGNMENT COMBS FASTENED TO A BASE PLATE, AND LOCATED IN DIRECTIONS NORMAL TO THE LINE OF PRINT BY STOP BARS FASTENED TO THE BASE PLATE. 611

    Traveling sign controlled by logic circuitry and providing a plurality of digital display effects
    6.
    发明授权
    Traveling sign controlled by logic circuitry and providing a plurality of digital display effects 失效
    通过逻辑电路控制的旅行标志和提供数字显示效果的多样性

    公开(公告)号：US3590508A

    公开(公告)日：1971-07-06

    申请号：US3590508D

    申请日：1968-11-22

    Applicant: GEN ELECTRIC

    Inventor： JONES CLIFFORD M ,  HARNDEN JOHN D JR

    IPC: G09G3/00 ,  G09G3/24 ,  H04L25/45 ,  H04N5/70 ,  G09F13/00

    CPC classification number: G09G3/24 ,  G09G3/004 ,  H04L25/45 ,  H04N5/70

    Abstract: A cover member for separating the illumination effects of adjacent lamps on an electrical display sign containing lamps arranged in columns and rows also provides cooling of the lamps by natural convection. The cover member includes a front and back cover plate member provided with apertures for the lamps on the sign which protrude into the space between the cover plate members. Horizontally and vertically positioned intervening plate members, and tubes aligned with the lamps may be utilized for providing rigidity to the cover assembly and forming cooling channels for the lamps. An optical link system controls a second display sign remote from a first sign.

    Keyboard detector
    7.
    发明授权
    Keyboard detector 失效
    键盘检测器

    公开(公告)号：US3585637A

    公开(公告)日：1971-06-15

    申请号：US3585637D

    申请日：1968-06-04

    Applicant: GEN ELECTRIC

    Inventor： JONES CLIFFORD M ,  ATKINSON CHARLES E

    IPC: G06F3/16 ,  H01H13/84 ,  H03K17/972 ,  G08C9/04

    CPC classification number: H01H13/84 ,  G06F3/16 ,  H03K17/972

    Abstract: Individual magnetic cores are associated with keys on a keyboard, and two sets of electrical conductors are threaded through the cores in opposite senses to provide code and inverse code signals. Circuit means is provided to detect a change in logic levels caused by simultaneous depression of two or more keys and to produce a data strobe output only when a single key is depressed.

    Underspeed and undervoltage protection for printer
    8.
    发明授权
    Underspeed and undervoltage protection for printer 失效
    打印机的防护和防护保护

    公开(公告)号：US3575107A

    公开(公告)日：1971-04-13

    申请号：US3575107D

    申请日：1969-06-02

    Applicant: GEN ELECTRIC

    Inventor： MCDOWELL EARLE B ,  JONES CLIFFORD M

    IPC: B41J9/44 ,  G01P3/48 ,  G06K15/06 ,  G06K15/08 ,  B41J9/38 ,  H02H3/28

    CPC classification number: G06K15/08 ,  Y10T307/858

    Abstract: An underspeed and undervoltage protection system for an electromechanical printer. The printer includes a plurality of moving characters actuated by stationary print hammers. The speed of the moving characters is continuously monitored along with the input voltage to the printer system. A synchronizing signal is provided which indicates when the characters are positioned to permit application of buss voltage which is the source of energization of the print hammers. When the speed of the characters and the input voltage reach predetermined minimum values, power is applied to a power buss for energizing the print hammers, the application of power being delayed until the synchronizing signal indicates that the print hammers are not in position to be energized. Similarly, if the speed of the characters or the input voltage subsequently falls below the predetermined minimum values, the hammer power buss is synchronously deenergized so as to prevent damage to the printer mechanism.

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