公开(公告)号：US5319527A

公开(公告)日：1994-06-07

申请号：US979031

申请日：1992-11-20

申请人： Morgan D. Murphy ,  Steven G. Skiver ,  David G. Beyerlein ,  Kerwin C. Osman

发明人： Morgan D. Murphy ,  Steven G. Skiver ,  David G. Beyerlein ,  Kerwin C. Osman

IPC分类号： G01D11/28 ,  H01F38/14

CPC分类号： H01F38/14 ,  G01D11/28 ,  B60K2350/408

摘要： An illuminated apparatus comprises a fixedly mounted air core gage having a spindle which rotates in response to signals provided to the air core gage, a first coil fixably mounted with respect to the air core gage having a first axis coaxial with the spindle, a power source coupled to the first coil, providing power to the first coil, which responsively generates a magnetic flux, a pointer body mounted to the spindle and rotating in response to rotation of the gage spindle, a second coil mounted to the pointer body adjacent to the primary coil, a light source mounted on the pointer body, coupled to and receiving the electric current from the second coil, the electric current illuminating the light source, and a light pipe pointer arm receiving light from the light source and emitting light out of an exit surface to appear as an illuminated pointer to an observer.

摘要翻译： 照明装置包括固定安装的气芯计，其具有响应于提供给气芯计的信号而旋转的心轴，相对于具有与心轴同轴的第一轴线的空气芯片的固定地安装的第一线圈，电源 耦合到所述第一线圈，向所述第一线圈供电，所述第一线圈响应地产生磁通量;安装到所述主轴并响应于所述量具主轴的旋转而旋转的指针体;安装到所述指示体的第二线圈， 线圈，安装在指针体上的光源，耦合到并接收来自第二线圈的电流，照射光源的电流;以及光管指针，其从光源接收光并将光从出射口 表面作为观察者的照明指针显示。