Multi-frequency security code transmission and reception
    41.
    发明申请
    Multi-frequency security code transmission and reception 有权
    多频安全码发送和接收

    公开(公告)号:US20060109078A1

    公开(公告)日:2006-05-25

    申请号:US10994786

    申请日:2004-11-22

    IPC分类号: G05B19/00

    CPC分类号: G08C17/02 G08C2201/61

    摘要: A system is disclosed including a transmitter and receiver for the communication of security codes which may be validated at the receiver to operate equipment. In one embodiment, the transmitter transmits a security code at two frequencies contemporaneously to the receiver which may receive both frequencies and resolve the security code therefrom. The receiver may lock onto one frequency to the exclusion of the other frequency when parts of a security code are detected. In another embodiment, the transmitter selectively transmits security codes at a default frequency which is selected because of a recorded count of prior apparent successful transmission

    摘要翻译: 公开了一种系统,其包括用于通信安全码的发射机和接收机,其可在接收机处验证以操作设备。 在一个实施例中,发射机以同时接收的两个频率发送可接收两个频率并且从其解析安全码的安全码。 当检测到安全码的部分时,接收机可以锁定到一个频率以排除另一个频率。 在另一个实施例中,发射机以默认频率选择性地发送安全码,这是由于先前明显的成功传输的记录计数而被选择的

    Method and apparatus using movable barrier zones
    44.
    发明申请
    Method and apparatus using movable barrier zones 审中-公开
    使用可移动屏障区的方法和装置

    公开(公告)号:US20050237015A1

    公开(公告)日:2005-10-27

    申请号:US10832807

    申请日:2004-04-27

    摘要: Multiple zones (21, 22, 23) are established with respect to the travel of a movable barrier over a course of permitted movement (typically between a fully open and a fully closed position). By detecting and knowing the juxtaposition of the movable barrier with a given one of these zones, a particular direction of movement for that movable barrier can be automatically selected notwithstanding possible ignorance regarding the exact position of the movable barrier due to, for example, one or more triggering conditions (such as momentary disconnection of the movable barrier with respect to its motive mechanism). Such zones are particularly efficacious when employed in conjunction with passpoint-based position determination movable barrier operator systems.

    摘要翻译: 相对于允许的移动过程(通常在完全打开和完全关闭的位置)之间的可移动屏障的移动来建立多个区域(21,22,23)。 通过检测并知道可移动屏障与这些区域中的给定的一个并置,即使可移动屏障的确切位置由于例如一个或多个可移动屏障而导致的可移动屏障的确切位置,也可以自动选择该移动屏障的特定运动方向 更多的触发条件(例如可动屏障相对于其动作机构的瞬间断开)。 当与基于点的位置确定可移动屏障操作员系统结合使用时,这样的区域是特别有效的。

    Barrier movement operator speed control
    46.
    发明申请
    Barrier movement operator speed control 有权
    屏障移动操作员调速

    公开(公告)号:US20050012488A1

    公开(公告)日:2005-01-20

    申请号:US10622214

    申请日:2003-07-18

    IPC分类号: E05F15/00 H02P5/28

    摘要: Methods and apparatus for controlling the speed of an A.C. induction motor are disclosed and shown in operation for controlling the movement of a barrier. Included are voltage configuration circuits which selectively gate portions of the half-cycles of AC mains voltage to the induction motor. When the motor is started increasing amounts of mains AC voltage is applied to the motor and decreasing portions of the mains AC are applied to the motor during a stopping routine. The motor can also be energized with less than full mains AC to permit differences in barrier movement speed dependent on operating parameters.

    摘要翻译: 公开并示出了用于控制交流感应电动机的速度的方法和装置,用于控制屏障的运动。 包括电压配置电路,其选择性地将部分交流电源电压的半周期门极地感应到感应电动机。 当电动机起动时,在停止程序期间,向电动机施加增加量的市电交流电压并将电力交流的减少部分施加到电动机。 电机也可以通过小于全电源AC供电,以根据操作参数允许障碍移动速度的差异。