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1. 发明专利

DE69908705T2 未知
公开(公告)号：DE69908705T2
公开(公告)日：2004-04-29
申请号：DE69908705
申请日：1999-04-30
申请人： TOKAI RIKA CO LTD
发明人： KANBE MASAKATA , IWATA HITOSHI , MINAMI KATSUHIRO , KOGISO KATSUYA , SUZUKI TAKASHI , TANIGUCHI MASAHIRO
IPC分类号： G01B7/30 , G01B7/00 , G01D5/14 , G01D5/16 , G01D5/245 , G01P3/488 , H01L43/08 , H02K29/08 , H02K11/00

2. 发明专利

DE60100635D1 未知
公开(公告)号：DE60100635D1
公开(公告)日：2003-10-02
申请号：DE60100635
申请日：2001-03-26
申请人： TOKAI RIKA CO LTD , AISIN AW CO
发明人： KOGISO KATSUYA , USUI SHINJI , KEIICHI SHINOHARA , YASUO YAMAGUCHI
IPC分类号： G01B7/00 , G01B7/30 , G01D5/12 , G01D5/14
摘要： A rotation detector (1) resists magnetic disturbances from sources near the detector. The rotation detector includes a rotor (2) on which iron magnetic path changing pieces are fixed at predetermined intervals. A first bias magnet and a first magneto-resistive element (9a) for detecting the flux of the first bias magnet oppose the magnetic path changing pieces. A magnetic guide plate (13) is located to guide disturbing magnetic flux (Z) in predetermined directions. The disturbing magnetic flux thus fails to adversely affect the first magneto-resistive element (9a).

3. 发明专利

DE4436485A1 未知
公开(公告)号：DE4436485A1
公开(公告)日：1995-04-20
申请号：DE4436485
申请日：1994-10-12
申请人： TOKAI RIKA CO LTD
发明人： IWATA HITOSHI , KOGISO KATSUYA , KINOSHITA KENICHI
IPC分类号： G01P15/12 , G01P15/00 , B60R21/32
摘要： An accelerometer sensor is disclosed, utilizing a casing having a center axis, and a pressure sensitive element located at the bottom portion of the casing. A gel based medium is accommodated in the casing. Given that "x" denotes a positional deviation of the pressure sensitive element with respect to the center axis of the casing and that "h" denotes a height of the medium in the casing, the positional deviation (x) and the height (h) are set such that the value 2 x/h falls within a predetermined range and serves as a function of the anisotropic sensitivity ratio of the sensor.

4. 发明专利

DE60133957D1 未知
公开(公告)号：DE60133957D1
公开(公告)日：2008-06-26
申请号：DE60133957
申请日：2001-02-19
申请人： TOKAI RIKA CO LTD
发明人： KANBE MASAKATA , TANIGUCHI MASAHIRO , KOGISO KATSUYA , TAJIMA MASAYA
IPC分类号： A44B11/25 , B60R22/48 , B60R22/12
摘要： A buckle device (10) in which it can be detected whether or not a tongue plate (36) inserted into a case is locked, and in which reliability of such detection is high. In the buckle device (10), a magnetic plate is provided at a leg portion (68) which moves together with the tongue plate which is inserted into an interior of the case. Changes in orientation of a magnetic field of a magnet (116) of a sensing section (112), which orientation varies due to the magnetic plate approaching and moving away from the magnet, are detected at an MRE sensor (118).

5. 发明专利

DE60023379T2 未知
公开(公告)号：DE60023379T2
公开(公告)日：2006-07-27
申请号：DE60023379
申请日：2000-03-10
申请人： TOKAI RIKA CO LTD
发明人： KOGISO KATSUYA , NISHIBE YASUSHI , USUI SHINJI
IPC分类号： G01B7/30 , G01D5/16 , G01B7/00 , G01B21/22 , G01D5/14 , G01D5/245
摘要： A rotation detector includes a rotor having a shaft. Projections are located at predetermined intervals on the periphery of the rotor and extend in an axial direction. Magnets are located between the projections and the shaft. The flux of each magnet is detected by a corresponding magnetism detection element. Each magnetism detection element has magnetic resistors. Movement of the projections changes the direction of flux of the magnets. Each resistor is switched between a first state, in which its magnetic resistance is great, and a second state, in which its magnetic resistance is small, in accordance with the change of the flux direction. The resistors are divided into two groups. The groups are substantially symmetrical relative to a centerline of the groups such that, when the direction of the flux changes, the resistors in one group are in the opposite state from the resistors in the other group. The centerline of changes in the direction of the flux matches the centerline of the resistor groups.

6. 发明专利

DE60023379D1 未知
公开(公告)号：DE60023379D1
公开(公告)日：2005-12-01
申请号：DE60023379
申请日：2000-03-10
申请人： TOKAI RIKA CO LTD
发明人： KOGISO KATSUYA , NISHIBE YASUSHI , TANIGUCHI MASAHIRO , USUI SHINJI
IPC分类号： G01B7/30 , G01B7/00 , G01B21/22 , G01D5/14 , G01D5/16 , G01D5/245
摘要： A rotation detector includes a rotor having a shaft. Projections are located at predetermined intervals on the periphery of the rotor and extend in an axial direction. Magnets are located between the projections and the shaft. The flux of each magnet is detected by a corresponding magnetism detection element. Each magnetism detection element has magnetic resistors. Movement of the projections changes the direction of flux of the magnets. Each resistor is switched between a first state, in which its magnetic resistance is great, and a second state, in which its magnetic resistance is small, in accordance with the change of the flux direction. The resistors are divided into two groups. The groups are substantially symmetrical relative to a centerline of the groups such that, when the direction of the flux changes, the resistors in one group are in the opposite state from the resistors in the other group. The centerline of changes in the direction of the flux matches the centerline of the resistor groups.

7. 发明专利

DE69908705D1 未知
公开(公告)号：DE69908705D1
公开(公告)日：2003-07-17
申请号：DE69908705
申请日：1999-04-30
申请人： TOKAI RIKA CO LTD
发明人： KANBE MASAKATA , IWATA HITOSHI , MINAMI KATSUHIRO , KOGISO KATSUYA , SUZUKI TAKASHI , TANIGUCHI MASAHIRO
IPC分类号： G01B7/30 , G01B7/00 , G01D5/14 , G01D5/16 , G01D5/245 , G01P3/488 , H01L43/08 , H02K29/08 , H02K11/00

8. 发明专利

DE60100635T2 未知
公开(公告)号：DE60100635T2
公开(公告)日：2004-06-24
申请号：DE60100635
申请日：2001-03-26
申请人： TOKAI RIKA CO LTD , AISIN AW CO
发明人： KOGISO KATSUYA , USUI SHINJI , KEIICHI SHINOHARA , YASUO YAMAGUCHI
IPC分类号： G01B7/00 , G01B7/30 , G01D5/12 , G01D5/14
摘要： A rotation detector (1) resists magnetic disturbances from sources near the detector. The rotation detector includes a rotor (2) on which iron magnetic path changing pieces are fixed at predetermined intervals. A first bias magnet and a first magneto-resistive element (9a) for detecting the flux of the first bias magnet oppose the magnetic path changing pieces. A magnetic guide plate (13) is located to guide disturbing magnetic flux (Z) in predetermined directions. The disturbing magnetic flux thus fails to adversely affect the first magneto-resistive element (9a).

9. 发明专利

DE4436485C2 未知
公开(公告)号：DE4436485C2
公开(公告)日：1998-11-19
申请号：DE4436485
申请日：1994-10-12
申请人： TOKAI RIKA CO LTD
发明人： IWATA HITOSHI , KOGISO KATSUYA , KINOSHITA KENICHI
IPC分类号： G01P15/12 , G01P15/00 , B60R21/32
摘要： An accelerometer sensor is disclosed, utilizing a casing having a center axis, and a pressure sensitive element located at the bottom portion of the casing. A gel based medium is accommodated in the casing. Given that "x" denotes a positional deviation of the pressure sensitive element with respect to the center axis of the casing and that "h" denotes a height of the medium in the casing, the positional deviation (x) and the height (h) are set such that the value 2 x/h falls within a predetermined range and serves as a function of the anisotropic sensitivity ratio of the sensor.

10. 发明专利

GB2282891B Acceleration detecting apparatus 未知
公开(公告)号：GB2282891B
公开(公告)日：1997-09-03
申请号：GB9420500
申请日：1994-10-11
申请人： TOKAI RIKA CO LTD
发明人： IWATA HITOSHI , KOGISO KATSUYA , KINOSHITA KENICHI
IPC分类号： G01P15/12 , G01P15/08
摘要： An accelerometer sensor is disclosed, utilizing a casing having a center axis, and a pressure sensitive element located at the bottom portion of the casing. A gel based medium is accommodated in the casing. Given that "x" denotes a positional deviation of the pressure sensitive element with respect to the center axis of the casing and that "h" denotes a height of the medium in the casing, the positional deviation (x) and the height (h) are set such that the value 2 x/h falls within a predetermined range and serves as a function of the anisotropic sensitivity ratio of the sensor.

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