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    Integrated circuit solid state watch
    1.
    发明授权
    Integrated circuit solid state watch 失效
    集成电路固态监视

    公开(公告)号：US3760584A

    公开(公告)日：1973-09-25

    申请号：US3760584D

    申请日：1971-05-14

    Applicant: HAMILTON WATCH CO

    Inventor： DARGENT B

    IPC: G04G5/04 ,  G04G9/00 ,  G04G9/10 ,  G04B19/30 ,  G04B19/24 ,  G04C9/00

    CPC classification number: G04G9/0017 ,  G04G5/04 ,  G04G9/102 ,  G04G9/105 ,  G04G9/107

    Abstract: Disclosed is a solid state electronic wristwatch with no moving parts. A crystal oscillator supplies a timing signal through a binary divider and display actuator to an electro-optical display in the form of a digital array of light-emitting diodes. The same display is used for both minutes and seconds and all displays are driven from the same decoder. The vast majority of the electrical components of the watch are incorporated in one or more largescale integrated circuits.

    Abstract translation: 公开了一种没有移动部件的固态电子手表。 晶体振荡器通过二进制分频器和显示致动器将定时信号以数字阵列的发光二极管的形式提供给电光显示器。 相同的显示屏用于分钟和秒钟，所有显示器都从同一个解码器驱动。 手表的绝大多数电气元件都集成在一个或多个大型集成电路中。

    Self-compensating barometric fuze
    2.
    发明授权
    Self-compensating barometric fuze 失效
    自我补偿BAROMETRIC FUZE

    公开(公告)号：US3620165A

    公开(公告)日：1971-11-16

    申请号：US3620165D

    申请日：1969-09-10

    Applicant: HAMILTON WATCH CO

    Inventor： HENDERSON JOHN E

    IPC: F42C5/02

    CPC classification number: F42C5/02

    Abstract: THE INVENTION RELATES TO BAROMETRIC FUZES FOR HIGH ALTITUDE ROCKETS AND PARTICULARLY TO A MECHANICAL SELF-COMPENSATING BAROMETRIC SENSING BELLOWS HAVING PRIOR TO LAUNCH, A FIXED END AND A FREE END, THE FREE END DESIGNED TO COMPENSATE FOR CHANGES IN ATMOSPHERIC PRESSURE. LANUCH ACCELERATION RELEASES A FIRING PIN WHICH FIRES A CHARGE DRIVING A PLUG INTO A MOVABLE SHAFT ATTACHED TO THE FREE END OF THE BELLOWS SENSIGN ELEMENT. THE PLUG FREEZES THE MOVEMENT OF THE SHAFT AND ESTABLISHES A REFERENCE BELLOWS LENGTH PROPORTIONAL TO THE AMBIENT ATMOSPHERIC PRESSURE IMMEDIATELY UPON LAUNCH. THE FIXED END IS THEN RELEASED TO SENSE ALTITUDE CHANGE. A TIME DELAY SAFETY SUBSEQUENTLY COACTS WITH THE BAROMETIC SENSING BELLOWS TO PREVENT FIRING AS THE ROCKET PASSES UPWARDLY THROUGH THE PRESELECTED FIRING ALTITUDES. THE SAFETY THEN RELEASES AN ALTITUDE SENSOR AT THE BELLOWS TO TRIGGER FUZE IGNITION ON THE DESCENT AT THE PRESELECTED ALTITUDE.

    Release mechanism
    3.
    发明授权
    Release mechanism 失效
    发布机制

    公开(公告)号：US3600760A

    公开(公告)日：1971-08-24

    申请号：US3600760D

    申请日：1969-12-11

    Applicant: HAMILTON WATCH CO

    Inventor： ESHLEMAN RALPH G

    IPC: E05B43/00 ,  A43C11/14 ,  G04B33/00

    CPC classification number: E05B43/00 ,  Y10T24/21 ,  Y10T24/45461

    Abstract: This invention relates to a time-delay release mechanism for restraining and releasing large loads. For example, as in the case of a steel banding strap used to hold a large package together. The invention, in one embodiment, includes adjacent, rotatably mounted release levers which distally engage the ends of the strap at the mounting thereof. The release levers are connected by a rotatably mounted locking lever. In a second embodiment, a single release lever, adapted to engage one end of a fixed strap, is resiliently attached to a rotatable mounting by a locking lever. A timer selectively allows rotational movement of the locking lever to free, in one embodiment both release levers, and in the other, the release lever and the mounting, which in turn release the load.

    Resistance bridge controlled timekeeping device
    4.
    发明授权
    Resistance bridge controlled timekeeping device 失效
    电阻桥控制时间设备

    公开(公告)号：US3568430A

    公开(公告)日：1971-03-09

    申请号：US3568430D

    申请日：1968-07-11

    Applicant: HAMILTON WATCH CO

    Inventor： WALTON RICHARD S

    IPC: G04C3/16 ,  G04C3/00

    CPC classification number: G04C3/16 ,  Y10S388/934

    Abstract: THERE IS DISCLOSED HEREIN AN ELECTRONIC TIMEKEEPING DEVICE EMPLOYING A PASSIVE CIRCUIT ELEMENT AS A MASTER FREQUENCY REFERENCE, COMPRISING A MOTOR DRIVEN GEAR TRAIN AND HANDS AND A FEEDBACK CONTROL CIRCUIT FOR THE MOTOR INCLUDING A SPEED TRANSDUCER, AND AN ERROR DETECTION CIRCUIT INCLUDING A RESISTANCE BRIDGE AND A DIFFERENTIAL AMPLIFIER. THE AMPLIFIER OUTPUT OPERATES A CONTROL CIRCUIT WHICH PROVIDES ADJUSTABLE EXCITATION FOR THE MOTOR TO MAINTAIN THE DESIRED OPERATING SPEED. AN ULTRA HIGH PRECISION RESISTOR WITH AN EXTREMELY SMALL RESISTANCE-TEMPERATURE COEFFICIENT, IS EMPLOYED IN THE RESISTANCE BRIDGE CIRCUIT AS THE MASTER FREQUENCY REFERENCE.

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