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1. 发明授权

US07245233B2 Light receiving device and encoding device 有权
标题翻译：光接收装置和编码装置
公开(公告)号：US07245233B2
公开(公告)日：2007-07-17
申请号：US11390736
申请日：2006-03-28
申请人： Hideaki Sannomiya , Naosumi Waki , Yuko Kimura , Junichiro Tanaka
发明人： Hideaki Sannomiya , Naosumi Waki , Yuko Kimura , Junichiro Tanaka
IPC分类号： H03M1/22
CPC分类号： G01D5/34707
摘要： A light receiving device is disclosed that is able to reduce jitter and to improve detection resolution. The light receiving device has plural light receiving elements each having a rectangular light receiving area. The light receiving areas are connected to each other at vertices on diagonals thereof, and sides of the light receiving areas of neighboring light receiving elements are adjacent to each other.
摘要翻译：公开了能够减少抖动并提高检测分辨率的光接收装置。光接收装置具有各自具有矩形光接收区域的多个光接收元件。光接收区域在其对角线上的顶点处彼此连接，并且相邻光接收元件的光接收区域的侧面彼此相邻。

2. 发明授权

US07227125B2 Encoder device 有权
标题翻译：编码器装置
公开(公告)号：US07227125B2
公开(公告)日：2007-06-05
申请号：US11393106
申请日：2006-03-30
申请人： Hideaki Sannomiya , Naosumi Waki , Junichiro Tanaka
发明人： Hideaki Sannomiya , Naosumi Waki , Junichiro Tanaka
IPC分类号： G01D5/34
CPC分类号： G01D5/34746 , G01D5/36
摘要： An encoder device includes a first array that includes first through fourth photodiodes adjacent to each other in an X direction, each having a length of X1; a second array that includes fifth through eighth photodiodes adjacent to each other in the X direction, each having a length of X1, and is adjacent to the first array in a Y direction but displaced by X1/2 in the X direction relative to the first array; a slit member that includes light transmitting sections and light shielding section arranged alternately, each having a length 2×X1, and is movable in the X direction; and a logic circuit that generates first and second detection signals from output signals of the first through fourth photodiodes and output signals of the fifth through eighth photodiodes, respectively, a phase of the second detection signal being shifted by a ¼ period of the first detection signal relative to the first detection signal.
摘要翻译：编码器装置包括：第一阵列，其包括在X方向上彼此相邻的第一至第四光电二极管，每个具有X 1的长度; 第二阵列，其包括在X方向上彼此相邻的第五至第八光电二极管，每个具有X 1的长度，并且在Y方向上与第一阵列相邻，但相对于X方向在X方向上偏移X 1/2 第一个阵列; 狭缝部件，其包括交替布置的光透射部分和遮光部分，每个具有长度2xX1，并且可沿X方向移动; 以及逻辑电路，分别从第一至第四光电二极管的输出信号和第五至第八光电二极管的输出信号产生第一和第二检测信号，第二检测信号的相位偏移第一检测信号的1/4周期相对于第一检测信号。

3. 发明授权

US07511260B2 Encoder device for detecting movement 失效
标题翻译：用于检测运动的编码器装置
公开(公告)号：US07511260B2
公开(公告)日：2009-03-31
申请号：US11393077
申请日：2006-03-30
申请人： Hideaki Sannomiya , Naosumi Waki , Yuko Kimura , Junichiro Tanaka
发明人： Hideaki Sannomiya , Naosumi Waki , Yuko Kimura , Junichiro Tanaka
IPC分类号： G01D5/34
CPC分类号： G01D5/34746 , G01D5/34707 , G01D5/34715
摘要： An encoder device includes first through fourth photodiodes each having a rhombus shape and a length of X1 in an X direction, the photodiodes being disposed adjacent to each other in the X direction such that a line passing through a pair of opposing vertices of the rhombus shape of each of the photodiodes is parallel to an X axis; a slit member that includes light transmitting sections and light shielding sections alternately arranged, and is movable in the X direction, each of the light transmitting and shielding sections having a length of 2×X1 in the X direction; and a logic circuit that generates first and second detection signals from output signals of the photodiodes that have received lights passing through the light transmitting sections, a phase of the second detection signal being shifted by a ¼ period of the first detection signal relative to the first detection signal.
摘要翻译：编码器装置包括：第一至第四光电二极管，每个具有菱形和X1方向上的长度，光电二极管在X方向上彼此相邻设置，使得穿过一对相对于菱形的顶点的线每个光电二极管平行于X轴; 狭缝部件，其包括交替布置的透光部和遮光部，并且能够沿X方向移动，各透光部和遮光部的X方向的长度为2x×1; 以及逻辑电路，其从已经接收到通过光发射部的光的光电二极管的输出信号产生第一和第二检测信号，第二检测信号的相位相对于第一检测信号的1/4周期移位检测信号。

4. 发明申请

US20070001107A1 Encoder device 失效
标题翻译：编码器装置
公开(公告)号：US20070001107A1
公开(公告)日：2007-01-04
申请号：US11393077
申请日：2006-03-30
申请人： Hideaki Sannomiya , Naosumi Waki , Yuko Kimura , Junichiro Tanaka
发明人： Hideaki Sannomiya , Naosumi Waki , Yuko Kimura , Junichiro Tanaka
IPC分类号： G01D5/34
CPC分类号： G01D5/34746 , G01D5/34707 , G01D5/34715
摘要： An encoder device includes first through fourth photodiodes each having a rhombus shape and a length of X1 in an X direction, the photodiodes being disposed adjacent to each other in the X direction such that a line passing through a pair of opposing vertices of the rhombus shape of each of the photodiodes is parallel to an X axis; a slit member that includes light transmitting sections and light shielding sections alternately arranged, and is movable in the X direction, each of the light transmitting and shielding sections having a length of 2×X1 in the X direction; and a logic circuit that generates first and second detection signals from output signals of the photodiodes that have received lights passing through the light transmitting sections, a phase of the second detection signal being shifted by a ¼ period of the first detection signal relative to the first detection signal.
摘要翻译：编码器装置包括：第一至第四光电二极管，每个具有菱形和X方向的长度，光电二极管沿X方向彼此相邻设置，使得穿过一对相对的菱形顶点的线每个光电二极管的形状与X轴平行; 狭缝部件，其包括交替布置的透光部和遮光部，并且能够沿X方向移动，各透光部和遮光部的X方向的长度为2x×1; 以及逻辑电路，其从已经接收到通过光发射部的光的光电二极管的输出信号产生第一和第二检测信号，第二检测信号的相位相对于第一检测信号的1/4周期移位检测信号。

5. 发明申请

US20070008190A1 Light receiving device and encoding device 有权
公开(公告)号：US20070008190A1
公开(公告)日：2007-01-11
申请号：US11390736
申请日：2006-03-28
申请人： Hideaki Sannomiya , Naosumi Waki , Yuko Kimura , Junichiro Tanaka
发明人： Hideaki Sannomiya , Naosumi Waki , Yuko Kimura , Junichiro Tanaka
IPC分类号： H03M7/00
CPC分类号： G01D5/34707
摘要： A light receiving device is disclosed that is able to reduce jitter and to improve detection resolution. The light receiving device has plural light receiving elements each having a rectangular light receiving area. The light receiving areas are connected to each other at vertices on diagonals thereof, and sides of the light receiving areas of neighboring light receiving elements are adjacent to each other.

6. 发明申请

US20070001108A1 Encoder device 有权
标题翻译：编码器装置
公开(公告)号：US20070001108A1
公开(公告)日：2007-01-04
申请号：US11393106
申请日：2006-03-30
申请人： Hideaki Sannomiya , Naosumi Waki , Junichiro Tanaka
发明人： Hideaki Sannomiya , Naosumi Waki , Junichiro Tanaka
IPC分类号： G01D5/34
CPC分类号： G01D5/34746 , G01D5/36
摘要： An encoder device includes a first array that includes first through fourth photodiodes adjacent to each other in an X direction, each having a length of X1; a second array that includes fifth through eighth photodiodes adjacent to each other in the X direction, each having a length of X1, and is adjacent to the first array in a Y direction but displaced by X1/2 in the X direction relative to the first array; a slit member that includes light transmitting sections and light shielding section arranged alternately, each having a length 2×X1, and is movable in the X direction; and a logic circuit that generates first and second detection signals from output signals of the first through fourth photodiodes and output signals of the fifth through eighth photodiodes, respectively, a phase of the second detection signal being shifted by a ¼ period of the first detection signal relative to the first detection signal.
摘要翻译：编码器装置包括：第一阵列，其包括在X方向上彼此相邻的第一至第四光电二极管，每个具有X 1的长度; 第二阵列，其包括在X方向上彼此相邻的第五至第八光电二极管，每个具有X 1的长度，并且在Y方向上与第一阵列相邻，但相对于X方向在X方向上偏移X 1/2 第一个阵列; 狭缝部件，其包括交替布置的光透射部分和遮光部分，每个具有长度2xX1，并且可沿X方向移动; 以及逻辑电路，分别从第一至第四光电二极管的输出信号和第五至第八光电二极管的输出信号产生第一和第二检测信号，第二检测信号的相位偏移第一检测信号的1/4周期相对于第一检测信号。

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