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1. 发明公开

EP1176499A1 TRACK BALL DEVICE AND ELECTRONIC APPARATUS COMPRISING THE SAME 有权
标题翻译： ROLLKUGEL VORRICHTUNG UND ELEKTRONISCHESGERÄTDAS DIESELBIGEN BEINHALTET
公开(公告)号：EP1176499A1
公开(公告)日：2002-01-30
申请号：EP01902779.6
申请日：2001-02-06
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： YOKOJI, Shigeru , YAMAMOTO, Tamotsu , NAKASE, Masaki , FUKUMURA, Toyoshi
IPC分类号： G06F3/033
CPC分类号： G06F3/03549 , G06F3/0312
摘要： Relating to a track ball device for manipulating a cursor moving on a display screen of an electronic apparatus, a track ball device being manipulated precisely while generating a click feel when a ball is rotated, having a small play angle and small size is presented. Beneath the center of the ball, the ball is rotatably supported by four rollers. The section of a contacting portion of the rollers contacting with the ball is a circular sawtooth profile, and the directions of the sawtooth serrations of opposite rollers are reverse to each other. Rollers 2 to 5 have switches as rotation amount detecting units. Further, X roller and Y roller contacting with the outer circumference in the orthogonal direction as seen from above the ball, and third roller hold the ball rotatably. Plural undulations are formed on the outer circumference of large-diameter contacting portions of the X roller and Y roller 3 of circular shaft shape. Rotary encoders are coupled to individual rollers.
摘要翻译：关于用于操纵在电子设备的显示屏幕上移动的光标的轨迹球装置，呈现了当球旋转时具有小的游戏角度和小尺寸的同时产生咔嗒感的精确操作的轨迹球装置。在球的中心下方，球由四个滚筒可旋转地支撑。与球接触的辊的接触部分的截面是圆锯齿形，并且相对辊的锯齿状锯齿的方向相反。辊2至5具有作为旋转量检测单元的开关。此外，从滚珠上方观察的正交方向的X轴和Y辊与外周接触，第三辊可旋转地保持球。在X轴和Y轴3的大直径接触部分的外圆周上形成有多个起伏的波状。旋转编码器连接到各个滚子。

2. 发明授权

EP1195787B1 LEVER SWITCH 有权
标题翻译：船形开关
公开(公告)号：EP1195787B1
公开(公告)日：2005-11-09
申请号：EP01919927.2
申请日：2001-04-13
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： MINAMI, Katsuichi , NAKASE, Masaki , KUDO, Yasuchika , NAKASE, Yusho
IPC分类号： H01H21/28
CPC分类号： H01H1/44 , H01H21/28 , H01H21/30
摘要： A lever switch having the contacts allowed to be in contact stably with each other immediately after the contacts are brought into contact with each other when a lever is operated, comprising a case, a common contact and a fixed contact installed on the side walls of the case adjacent to each other, a lever held rotatably in an opening part provided in the side wall opposed to the common contact, and a movable contact deflected by the lever so as to electrically disconnect and connect the common contact from and to the fixed contact, wherein the fixed part at the tip of a first arm part of the fixed contact is fixedly fitted between the common contact and a supporting projection, the contact part at the tip of the second arm part of the fixed contact is brought into contact elastically with the left side wall of the case, and the drive part of the lever is allowed to abut on the movable contact near the bent part of the first arm part thereof.

3. 发明公开

EP1195787A1 LEVER SWITCH 有权
标题翻译：船形开关
公开(公告)号：EP1195787A1
公开(公告)日：2002-04-10
申请号：EP01919927.2
申请日：2001-04-13
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： MINAMI, Katsuichi , NAKASE, Masaki , KUDO, Yasuchika , NAKASE, Yusho
IPC分类号： H01H21/28
CPC分类号： H01H1/44 , H01H21/28 , H01H21/30
摘要： A lever switch assures stable contact just after having its contact points contacted with each other when a lever is rotated. The lever switch includes a case, a common contact and a fixed contact both provided to case's side walls adjacent to each other, a lever rotatably held by at an opening provided in a side wall facing the common contact, a movable contact which electrically contacts and removes between the common contact and the fixed contact through being bent with the lever being rotated. A fixed section disposed at a tip of a first arm of the fixed contact is press-fitted between the common contact and a supporting protrusion. A contact section disposed at a tip of a second arm of the fixed contact elastically contacts with the left-side wall of the case. A driving section of the lever comes into contact with a bent section of the first arm of the movable contact.

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