公开(公告)号：US20040239275A1

公开(公告)日：2004-12-02

申请号：US10447664

申请日：2003-05-29

Applicant: The Chamberlain Group, Inc.

Inventor： Barbara P. Kelkhoff ,  James J. Fitzgibbon ,  Colin B. Wilmott

IPC: H02P001/04 ,  H02P003/00

CPC classification number: H02H7/0851 ,  E05F15/00 ,  E05F15/41 ,  E05Y2400/31 ,  E05Y2400/554 ,  E05Y2400/58 ,  E05Y2400/59 ,  E05Y2400/822 ,  E05Y2800/00 ,  E05Y2800/22 ,  E05Y2800/246 ,  E05Y2900/00 ,  E05Y2900/106 ,  E05Y2900/11 ,  E06B9/68

Abstract: A movable barrier operator can use (11) a first technique to prevent an excess application of force during controlled movement of a movable barrier (43) and at least a second technique (12) to similarly prevent an excess application of force during such movement. Both techniques can then be utilized to determine (13) when an application of excess force may nevertheless occur and not be reasonably avoided. In one embodiment, two techniques (21 and 22) can be used to detect force as applied during movement of the movable barrier and such information can be used to determine (23) whether applied force is being reliably indicated. In another embodiment, travel limit information (51), travel information (52) and travel history information (53) are utilized to assess whether normal operation of the movable barrier operator should be over-ridden (54) due to a possibly expression of undue force.

Abstract translation: 可移动屏障操作者可以使用（11）第一技术来防止在可移动屏障（43）的受控运动期间的过度施加力和至少第二技术（12），以类似地防止在这种运动期间过度施加力。 然后可以利用这两种技术来确定（13）当施加过量的力可能发生并且不能被合理地避免时。 在一个实施例中，可以使用两种技术（21和22）来检测在可移动屏障的移动期间施加的力，并且可以使用这些信息来确定（23）是否可靠地指示施加的力。 在另一个实施例中，利用旅行限制信息（51），旅行信息（52）和旅行历史信息（53）来评估可移动屏障操作者的正常操作是否应该被覆盖（54） 力。

公开(公告)号：US20030205980A1

公开(公告)日：2003-11-06

申请号：US10424970

申请日：2003-04-28

Applicant: The Chamberlain Group, Inc.

Inventor： James J. Fitzgibbon ,  Paul E. Wanis ,  Colin B. Wilmott

IPC: H02P003/00

CPC classification number: E05D15/38 ,  E05F15/00 ,  E05F15/603 ,  E05F15/668 ,  E05F15/684 ,  E05Y2201/726 ,  E05Y2400/452 ,  E05Y2400/456 ,  E05Y2400/59 ,  E05Y2400/822 ,  E05Y2800/00 ,  E05Y2900/106 ,  Y10S388/904 ,  Y10S388/909

Abstract: A movable barrier operator having improved safety and energy efficiency features automatically detects line voltage frequency and uses that information to set a worklight shut-off time. The operator automatically detects the type of door (single panel or segmented) and uses that information to set a maximum speed of door travel. The operator moves the door with a linearly variable speed from start of travel to stop for smooth and quiet performance. The operator provides for full door closure by driving the door into the floor when the DOWN limit is reached and no auto-reverse condition has been detected. The operator provides for user selection of a minimum stop speed for easy starting and stopping of sticky or binding doors.