专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2004037107A Position detecting device 有权
公开(公告)号：JP2004037107A
公开(公告)日：2004-02-05
申请号：JP2002190773
申请日：2002-06-28
申请人： Sony Precision Technology Inc , ソニー・プレシジョン・テクノロジー株式会社
发明人： NEKADO YASUO , KUSUMI MASAAKI
IPC分类号： G01D5/245 , G01D5/249 , G01D5/347
CPC分类号： G01D5/34792 , G01D5/2495
摘要： PROBLEM TO BE SOLVED: To expand an interval between heads for an absolute track.
SOLUTION: (n) pieces of ABS heads 10-1 to 10-n are arranged under a condition of satisfying formula 1 λ
1 =mλ(m is an integer of ≥2) and formula 2 λ
1 ≠k(2
n/2 +1)λ(k is a natural number) when (n) is an even number, and is arranged under a condition of satisfying the expression 1 and an expression 3 when the (n) is an odd number. The interval between the respective ABS heads 10-1 to 10-n can be set to 2λ or more by arranging the ABS heads 10-1 to 10-n under the explained conditions.
COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2004245644A Position detection device 有权
公开(公告)号：JP2004245644A
公开(公告)日：2004-09-02
申请号：JP2003033904
申请日：2003-02-12
申请人： Sony Precision Technology Inc , ソニー・プレシジョン・テクノロジー株式会社
发明人： ONO MITSURU , OKANO MICHIO , KAWAMOTO AKINORI , NAKAMURA KUNICHI , KUSUMI MASAAKI
IPC分类号： G01D5/245
摘要： PROBLEM TO BE SOLVED: To provide a position detection sensor capable of protecting an MR sensor against mixed foreign matter by setting a distance between a holding part holding the MR sensor and a scale based on a distance between the MR sensor and the scale and the film thickness of the scale, forming a hard film having external impact resistance on the surface of the MR sensor, and setting the hardness of the surfaces of the holding part and the scale to specified levels. SOLUTION: This position detection device comprises the scale on which position signals are recorded at specified pitches, a detector disposed at a position opposed to and movable relative to the scale and detecting the position signals from the scale, and the holding part holding the detector so that the detector can be moved relative to each other at a specified distance apart from the surface of the scale. A distance between the surfaces of the detector and the scale and the film thickness of the scale are equal to a distance between the surfaces of the holding part and the scale or longer, and the scale is formed of a material with a hardness lower than that of the holding part. COPYRIGHT: (C)2004,JPO&NCIPI

3. 发明专利

JP2003042187A Electromagnetic clutch 审中-公开
标题翻译：电磁离合器
公开(公告)号：JP2003042187A
公开(公告)日：2003-02-13
申请号：JP2001224272
申请日：2001-07-25
申请人： Honda Motor Co Ltd , Sony Precision Technology Inc , ソニー・プレシジョン・テクノロジー株式会社 , 本田技研工業株式会社
发明人： NEKADO YASUO , KUSUMI MASAAKI , ONOE TAKESHI , TOMARI TATSUHIRO , IWASAKI AKIHIRO , OKUMA SHINJI , MATSUBARA KOJI , INAGAWA SHINICHI
IPC分类号： F16D27/115 , F16D48/06
摘要： PROBLEM TO BE SOLVED: To control the attractive force of an amature to a core excited by an excitation coil. SOLUTION: A sensor 24L is provided in a clutch core 21L and the sensor coil 26L is driven in a high frequency by a high frequency drive circuit 27L. In this time, when the sensor 24L detect magnetic flux of a magnetic circuit in which the sensor 24L is provided with a clutch core 21L and an amature 23L, the impedance of the sensor coil 26L varies. According to the output from the sensor coil 26L, impedance detection circuit 28L detects the impedance of the sensor coil 26L. On the basis of the impedance, a fastening force control circuit 29L controls current sent to the excitation coil 22L.
摘要翻译：要解决的问题：控制由励磁线圈激励的芯的吸附力。解决方案：传感器24L设置在离合器芯21L中，传感器线圈26L由高频驱动电路27L以高频驱动。此时，当传感器24L检测传感器24L设置有离合器芯21L和变量23L的磁路的磁通时，传感器线圈26L的阻抗变化。根据传感器线圈26L的输出，阻抗检测电路28L检测传感器线圈26L的阻抗。基于阻抗，紧固力控制电路29L控制发送到励磁线圈22L的电流。

4. 发明专利

JP2003004829A Apparatus for measuring magnetic flux 有权
标题翻译：用于测量磁通量的装置
公开(公告)号：JP2003004829A
公开(公告)日：2003-01-08
申请号：JP2001191680
申请日：2001-06-25
申请人： Sony Precision Technology Inc , ソニー・プレシジョン・テクノロジー株式会社
发明人： NEKADO YASUO , KUSUMI MASAAKI , ONOE TAKESHI
IPC分类号： G01D5/20 , G01R33/02
CPC分类号： G01D5/2033 , G01R33/02
摘要： PROBLEM TO BE SOLVED: To make an apparatus highly accurate, compact and low in power consumption by reducing effects applied to a magnetic circuit itself.
SOLUTION: A sensor coil 14 is set to a core 13 which forms the magnetic circuit for driving a linear motor. The core 13 is excited by energizing the sensor coil 14 with a high frequency. The high frequency excitation is carried out not to magnetically saturate the sensor core, and an excess current is generated inside the core 13. An impedance of the sensor coil 14 is detected in the state, and an amount of the magnetic flux generated in the core 13 which constitutes the magnetic circuit is detected on the basis of the impedance.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：通过减少施加到磁路本身的影响，使装置高度准确，紧凑和功耗低。解决方案：将传感器线圈14设置到形成用于驱动线性电动机的磁路的芯13。通过以高频激励传感器线圈14来激励磁芯13。执行高频激励不会使传感器芯磁性饱和，并且在芯13内部产生过剩电流。在该状态下检测传感器线圈14的阻抗，并且在芯中产生的磁通量基于阻抗来检测构成磁路的电路13。

5. 发明专利

JP2004247408A Magnetic detection sensor 审中-公开
标题翻译：磁性检测传感器
公开(公告)号：JP2004247408A
公开(公告)日：2004-09-02
申请号：JP2003033890
申请日：2003-02-12
申请人： Hamamatsu Koden Kk , Nanotec Corp , Sony Precision Technology Inc , ソニー・プレシジョン・テクノロジー株式会社 , ナノテック株式会社 , 浜松光電株式会社
发明人： KUSUMI MASAAKI , ONO MITSURU , OKANO MICHIO , NAKAMORI HIDEKI , SUMIYA TORU , TSUNOKAI FUMITAKA , NAKADA TOMOYUKI , MIURA TERUYUKI , OKAWARA YOSHIHIKO
IPC分类号： G01D5/245 , G01R33/02 , G01R33/09 , G11B5/39 , H01L43/02 , H01L43/08 , H01L43/10
CPC分类号： G01R33/09 , G01R33/02 , Y10T428/1143 , Y10T428/1164 , Y10T428/1171 , Y10T428/1193 , Y10T428/31721
摘要： PROBLEM TO BE SOLVED: To protect a magnetic sensitive element (e.g., an MR sensor) against an external impact. SOLUTION: A magnetic detection sensor 1 having a magnetic sensitive element 11 formed on a substrate 10 includes a hard film 14 formed on the outermost surface, an organic film 13 formed on the lower part of the hard film 14 for relaxing the stress by the hard film 14, and an inorganic film 12 formed between the organic film 13 and the magnetic sensitive element 11 for relaxing the stress by the organic film 13. An intermediate film made of an element having a strong bonding force to a carbon may be formed between the organic film 13 and the hard film 14. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：为了保护磁敏元件（例如，MR传感器）免受外部冲击。解决方案：具有形成在基板10上的磁敏元件11的磁检测传感器1包括形成在最外表面上的硬膜14，形成在硬膜14的下部的用于放松应力的有机膜13 通过硬膜14和形成在有机膜13和磁敏元件11之间的无机膜12，用于缓和由有机膜13产生的应力。由具有与碳结合力强的元素制成的中间膜可以是形成在有机膜13和硬膜14之间。版权所有（C）2004，JPO＆NCIPI

6. 发明专利

JP2003028195A Electromagnetic clutch 审中-公开
标题翻译：电磁离合器
公开(公告)号：JP2003028195A
公开(公告)日：2003-01-29
申请号：JP2001214291
申请日：2001-07-13
申请人： Honda Motor Co Ltd , Sony Precision Technology Inc , ソニー・プレシジョン・テクノロジー株式会社 , 本田技研工業株式会社
发明人： NEKADO YASUO , KUSUMI MASAAKI , ONOE TAKESHI , TOMARI TATSUHIRO , IWASAKI AKIHIRO , OKUMA SHINJI , MATSUBARA KOJI , INAGAWA SHINICHI
IPC分类号： F16D27/10 , F16D27/115 , F16D48/06
CPC分类号： F16D27/115 , F16D2027/002 , F16D2027/005 , F16D2300/18 , F16H48/10
摘要： PROBLEM TO BE SOLVED: To control the attraction force of an armature in relation to a core excited by an exciting coil.
SOLUTION: A clutch core 21L is provided with two sensors 24L
a and 24L
b . Sensor coils 26L
a and 26L
b are driven by a high frequency driving circuit 27L. When the sensors 24L
a and 24L
b sense a magnetic flux in a magnetic circuit provided with a clutch core 21L and an armature 23L, impedance of the sensor coils 26L
a and 26L
b changes. In response to an output from the sensor coils 26L
a and 26L
b , an impedance detecting circuit 28L detects the impedance of the sensor coils 26L
a and 26L
b . An impedance synthesizing circuit 39L synthesizes an impedance of the sensor coils 26L
a and 26L
b . On the basis of the synthesized impedance, a current control circuit 29L controls the current flowing to the exciting coil 22L.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：控制电枢相对于由励磁线圈激励的铁芯的吸引力。解决方案：离合器芯21L设置有两个传感器24La和24Lb。传感器线圈26La和26Lb由高频驱动电路27L驱动。当传感器24La和24Lb感测到设置有离合器芯21L和衔铁23L的磁路中的磁通量时，传感器线圈26La和26Lb的阻抗发生变化。响应于传感器线圈26La和26Lb的输出，阻抗检测电路28L检测传感器线圈26La和26Lb的阻抗。阻抗合成电路39L合成传感器线圈26La和26Lb的阻抗。基于合成阻抗，电流控制电路29L控制流向励磁线圈22L的电流。

7. 发明专利

JP2003014407A Position detector 有权
标题翻译：位置检测器
公开(公告)号：JP2003014407A
公开(公告)日：2003-01-15
申请号：JP2001198585
申请日：2001-06-29
申请人： Sony Precision Technology Inc , ソニー・プレシジョン・テクノロジー株式会社
发明人： NEKADO YASUO , KUSUMI MASAAKI , ONOE TAKESHI
IPC分类号： G01B7/00 , G01R33/02
摘要： PROBLEM TO BE SOLVED: To minimize the influence of disturbance magnetic fields on a magnetic field sensed by a magnetic sensing means.
SOLUTION: In this position detector, the sensing direction of a sensor 2 is set substantially perpendicular to the direction of disturbance magnetic fields. The sensing direction of the sensor 2 is covered with a first shield 6 in such a manner that the sensing directional end part of the sensor 2 is exposed, whereby the influence of magnetic fields of other directions than the sensing direction on the magnetic field sensed by the sensor 2 is minimized. Further, a second shield 7 is provided to minimize the influence of disturbance magnetic fields on the outer side from the moving distance of magnets 3 and 4 in the moving direction thereof on the magnetic field sensed by the sensor 2.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：最小化扰动磁场对由磁感测装置感测的磁场的影响。解决方案：在该位置检测器中，传感器2的传感方向基本上垂直于干扰磁场的方向。传感器2的感测方向以第一屏蔽6覆盖，使得传感器2的检测方向端部暴露，由此感测方向上的感测方向以外的方向的磁场对磁感测的磁场的影响传感器2被最小化。此外，提供第二屏蔽件7，以使得磁体3和4在其由传感器2感测的磁场上的移动方向上的移动距离在外侧的干扰磁场的影响最小化。

8. 发明专利

JPH11183632A MAGNETIC METALLIC SENSOR 失效
公开(公告)号：JPH11183632A
公开(公告)日：1999-07-09
申请号：JP35370597
申请日：1997-12-22
申请人： SONY PRECISION TECHNOLOGY INC
发明人： NEKADO YASUO , KUSUMI MASAAKI
IPC分类号： G01V3/08 , G01N27/72 , G01R33/02
摘要： PROBLEM TO BE SOLVED: To provide a magnetic metallic sensor which detects magnetic metallic pieces of a gear or the like arranged in parallel and adjacent magnetic metallic pieces. SOLUTION: A coil 23 and a coil 24 are arranged in parallel to each other at a magnetism-sensitive part of a magnetic metallic sensor, which detect presence/absence of a magnetic metal. These coils 23, 24 are excited and outputs of the coils are detected by a driving detection circuit 30. The driving detection circuit 30 has switches for switching an excitation direction of the coil 24. In order to detect the number of metallic pieces of a gear or the like arranged in parallel, switches S1 , S1 ', S2 , S2 ' are changed over to make polarities of the coils 23, 24 equal. In order to detect adjacent magnetic metallic pieces, the switches S1 , S1 ', S2 , S2 ' are changed over to make polarities of the coils 23, 24 opposite to each other.

9. 发明专利

JPH10274671A MAGNETIC FIELD DETECTOR 失效
公开(公告)号：JPH10274671A
公开(公告)日：1998-10-13
申请号：JP8101797
申请日：1997-03-31
申请人： SONY PRECISION TECHNOLOGY INC
发明人： HIMURO AKIRA , KUSUMI MASAAKI , NEKADO YASUO
IPC分类号： G01C17/30 , G01R33/02
摘要： PROBLEM TO BE SOLVED: To provide a device for parallel magnetic field detection where uniform winding of a coil is easy, circuit constitution is simple and a cost can be reduced without any difference of resistance of the coils themselves, inductance and the number of magnetic fluxes. SOLUTION: This device is provided with a magnetic path forming member 2 having a closed magnetic path composed of high permeability magnetic material, a magnetic field detection part 1 including at least three coils x1, x2, y1, y2 wound around mutually different parts on the closed magnetic path, an excitation part 3 for applying excitation voltage on these coils, and an output part 6 for detecting, smoothing and outputting the excitation voltage applied on the coils. The coils are excited so that the direction of the magnetic field in the closed magnetic path by the excitation voltage is the same one by the excitation part 3 in the state where a plane including the closed magnetic path is parallel to a parallel magnetic field H with regard to the magnetic path forming member 2, and output in response to the parallel magnetic field is obtained from the output part 6.

10. 发明专利

JPH10132504A POSITION DETECTING DEVICE 失效
公开(公告)号：JPH10132504A
公开(公告)日：1998-05-22
申请号：JP28679296
申请日：1996-10-29
申请人： SONY PRECISION TECHNOLOGY INC
发明人： KUSUMI MASAAKI , ISHIMOTO SHIGERU
IPC分类号： G01B7/00 , G01D5/244 , G01D5/245 , H02P6/06 , H02P6/08 , H02P6/16 , H02P6/17 , H02P25/06 , H02P5/00
摘要： PROBLEM TO BE SOLVED: To obtain two-phase signal for controlling the position and speed of an A.C. servomotor and three-phase signal for controlling a magnetic field on one scale through the same encoder. SOLUTION: In a position detecting device having a scale where a magnetic scale having a fixed pitch is recorded and a detection section for detecting a periodic signal which is possible in relative displacement to the scale and has a period responding to the pitch of the magnetic scale from the scale, a plurality of magnetic scales having mutually different pitches λ1, λ2 is recorded on the same track of a scale SC, and a plurality of detection parts A, B are provided severally correspondingly to a plurality of these magnetic scales, and the periodic signals S, C having a period meeting the pitch λ1 are detected by the detection section A, and the periodic signals U. V. W having the period meeting the pitch λ2 are detected by the detection section B.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式