公开(公告)号：EP0785665A2

公开(公告)日：1997-07-23

申请号：EP97100642.4

申请日：1997-01-16

申请人： SHARP KABUSHIKI KAISHA

发明人： Miyamoto, Kazunori ,  Nakanishi, Kenji ,  Tanaka, Kenji ,  Masuda, Kazuya

IPC分类号： H04N1/047

CPC分类号： H04N1/0473 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/0471 ,  H04N2201/04732 ,  H04N2201/04739

摘要： An apparatus according to the present invention includes a stepping motor (5) and a motor drive circuit (4) for first moving a lamp unit to hit the unit against a reference object opposite to an origin and then moving the unit toward the origin, a CPU (3) for measuring the distance through which the lamp unit is moved from the reference object toward the origin, and the CPU (3) for controlling the lamp unit so that the lamp unit stops at the origin according to the distance measured from the reference object.

摘要翻译： 根据本发明的装置包括步进电动机（5）和电动机驱动电路（4），用于首先移动灯单元以抵抗相对于原点的参考物体撞击该单元，然后将该单元移向该原点; CPU（3），用于测量灯单元从参考对象朝向原点移动的距离;以及CPU（3），用于控制灯单元，使得灯单元根据从 参考对象。

公开(公告)号：EP0785665B1

公开(公告)日：2004-01-07

申请号：EP97100642.4

申请日：1997-01-16

申请人： SHARP KABUSHIKI KAISHA

发明人： Miyamoto, Kazunori ,  Nakanishi, Kenji ,  Tanaka, Kenji ,  Masuda, Kazuya

IPC分类号： H04N1/047

CPC分类号： H04N1/0473 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/0471 ,  H04N2201/04732 ,  H04N2201/04739

摘要： An apparatus according to the present invention includes a stepping motor (5) and a motor drive circuit (4) for first moving a lamp unit to hit the unit against a reference object opposite to an origin and then moving the unit toward the origin, a CPU (3) for measuring the distance through which the lamp unit is moved from the reference object toward the origin, and the CPU (3) for controlling the lamp unit so that the lamp unit stops at the origin according to the distance measured from the reference object.