HK117794A - Tachometer generator - Google Patents
Tachometer generatorInfo
- Publication number
- HK117794A HK117794A HK117794A HK117794A HK117794A HK 117794 A HK117794 A HK 117794A HK 117794 A HK117794 A HK 117794A HK 117794 A HK117794 A HK 117794A HK 117794 A HK117794 A HK 117794A
- Authority
- HK
- Hong Kong
- Prior art keywords
- windings
- pole pairs
- aligned
- angle
- coil
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/48—Generators with two or more outputs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/14—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with speed sensing devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/26—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S310/00—Electrical generator or motor structure
- Y10S310/06—Printed-circuit motors and components
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Windings For Motors And Generators (AREA)
- Dc Machiner (AREA)
- Brushless Motors (AREA)
- Control Of Eletrric Generators (AREA)
- Control Of Electric Motors In General (AREA)
- Holo Graphy (AREA)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3821050A DE3821050A1 (de) | 1988-06-22 | 1988-06-22 | Tachogenerator |
Publications (1)
Publication Number | Publication Date |
---|---|
HK117794A true HK117794A (en) | 1994-11-04 |
Family
ID=6357005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK117794A HK117794A (en) | 1988-06-22 | 1994-10-27 | Tachometer generator |
Country Status (9)
Country | Link |
---|---|
US (1) | US5177389A (fr) |
EP (2) | EP0347722B1 (fr) |
JP (1) | JP2920834B2 (fr) |
KR (1) | KR0140523B1 (fr) |
AT (1) | ATE83591T1 (fr) |
DE (2) | DE3821050A1 (fr) |
ES (1) | ES2037334T3 (fr) |
HK (1) | HK117794A (fr) |
WO (1) | WO1989012925A1 (fr) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3821050A1 (de) * | 1988-06-22 | 1989-12-28 | Thomson Brandt Gmbh | Tachogenerator |
US5406155A (en) * | 1992-06-03 | 1995-04-11 | Trw Inc. | Method and apparatus for sensing relative position between two relatively rotatable members |
US20030062889A1 (en) | 1996-12-12 | 2003-04-03 | Synaptics (Uk) Limited | Position detector |
US6430001B1 (en) | 1995-03-16 | 2002-08-06 | International Business Machines Corporation | Integrated data storage disk and disk drive |
US6208485B1 (en) | 1995-03-16 | 2001-03-27 | International Business Machines Corporation | Microfile |
US5789841A (en) * | 1995-06-07 | 1998-08-04 | Kollmorgen Corporation | Axial air gap brushless motor with layered disk stator |
US5717268A (en) * | 1996-06-17 | 1998-02-10 | Philips Electronics North America Corp. | Electric motor with tachometer signal generator |
US6788221B1 (en) | 1996-06-28 | 2004-09-07 | Synaptics (Uk) Limited | Signal processing apparatus and method |
WO1998054545A2 (fr) | 1997-05-28 | 1998-12-03 | Absolute Sensors Limited | Transducteur et procede de fabrication |
GB9720954D0 (en) * | 1997-10-02 | 1997-12-03 | Scient Generics Ltd | Commutators for motors |
GB9721891D0 (en) | 1997-10-15 | 1997-12-17 | Scient Generics Ltd | Symmetrically connected spiral transducer |
GB9811151D0 (en) | 1998-05-22 | 1998-07-22 | Scient Generics Ltd | Rotary encoder |
AU769964B2 (en) | 1998-11-27 | 2004-02-12 | Synaptics (Uk) Limited | Position sensor |
US7019672B2 (en) | 1998-12-24 | 2006-03-28 | Synaptics (Uk) Limited | Position sensor |
DE60227174D1 (de) * | 2001-05-21 | 2008-07-31 | Synaptics Uk Ltd | Positionssensor |
KR200268109Y1 (ko) * | 2001-12-06 | 2002-03-15 | 김정훈 | 편평형 무정류자 진동모터 |
GB2403017A (en) * | 2002-03-05 | 2004-12-22 | Synaptics | Position sensor |
US7907130B2 (en) * | 2002-06-05 | 2011-03-15 | Synaptics (Uk) Limited | Signal transfer method and apparatus |
GB0317370D0 (en) * | 2003-07-24 | 2003-08-27 | Synaptics Uk Ltd | Magnetic calibration array |
GB0319945D0 (en) * | 2003-08-26 | 2003-09-24 | Synaptics Uk Ltd | Inductive sensing system |
GB2461448B (en) | 2007-05-10 | 2011-08-31 | Cambridge Integrated Circuits Ltd | Transducer |
JP5534337B2 (ja) * | 2010-09-30 | 2014-06-25 | 日立工機株式会社 | ディスクモータ及び電動作業機 |
JP5534338B2 (ja) | 2010-09-30 | 2014-06-25 | 日立工機株式会社 | ディスクモータ及び電動作業機 |
GB2488389C (en) | 2010-12-24 | 2018-08-22 | Cambridge Integrated Circuits Ltd | Position sensing transducer |
GB2503006B (en) | 2012-06-13 | 2017-08-09 | Cambridge Integrated Circuits Ltd | Position sensing transducer |
GB201322478D0 (en) * | 2013-12-18 | 2014-02-05 | Gyo Gym Ltd | Improvements in or relating to generating your own power |
WO2019044900A1 (fr) * | 2017-08-29 | 2019-03-07 | 株式会社ExH | Système de transmission d'énergie électrique et procédé de fabrication de système de transmission d'énergie électrique |
US11677303B2 (en) * | 2021-10-21 | 2023-06-13 | National Cheng Kung University | Motor and coreless stator coil winding unit thereof |
CN114814272B (zh) * | 2022-06-28 | 2022-12-16 | 四川新川航空仪器有限责任公司 | 一种磁转速传感器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2970238A (en) * | 1959-02-12 | 1961-01-31 | Printed Motors Inc | Printed circuit armature |
DE2631017A1 (de) * | 1976-07-09 | 1978-01-12 | Oskar Hubert Richt | Tachogenerator |
US4410853A (en) * | 1980-12-13 | 1983-10-18 | Hitachi, Ltd. | Frequency detector |
US4488076A (en) * | 1982-09-30 | 1984-12-11 | Applied Motion Products, Inc. | Tachometer assembly for magnetic motors |
JPS60140158A (ja) * | 1983-12-28 | 1985-07-25 | Sony Corp | 回転検出装置 |
US4656377A (en) * | 1984-01-30 | 1987-04-07 | Victor Company Of Japan, Ltd. | Tachogenerator having a magnetoresistance stator coil |
JPS60241756A (ja) * | 1984-05-16 | 1985-11-30 | Japan Servo Co Ltd | 周波数発電機付電動機 |
JPS62262645A (ja) * | 1986-05-09 | 1987-11-14 | Sanyo Electric Co Ltd | ブラシレスモ−タ |
US4751415A (en) * | 1987-04-28 | 1988-06-14 | Matsushita Electric Industrial Co., Ltd. | Brushless DC motor with means for compensating ripple torque |
DE3821050A1 (de) * | 1988-06-22 | 1989-12-28 | Thomson Brandt Gmbh | Tachogenerator |
US5045740A (en) * | 1988-09-16 | 1991-09-03 | Yamamoto Electric Corporation | Brushless motor |
-
1988
- 1988-06-22 DE DE3821050A patent/DE3821050A1/de not_active Withdrawn
-
1989
- 1989-06-13 ES ES198989110686T patent/ES2037334T3/es not_active Expired - Lifetime
- 1989-06-13 EP EP89110686A patent/EP0347722B1/fr not_active Expired - Lifetime
- 1989-06-13 EP EP89906774A patent/EP0420885A1/fr active Pending
- 1989-06-13 AT AT89110686T patent/ATE83591T1/de not_active IP Right Cessation
- 1989-06-13 JP JP1506536A patent/JP2920834B2/ja not_active Expired - Fee Related
- 1989-06-13 KR KR1019900700376A patent/KR0140523B1/ko not_active IP Right Cessation
- 1989-06-13 WO PCT/EP1989/000663 patent/WO1989012925A1/fr not_active Application Discontinuation
- 1989-06-13 DE DE8989110686T patent/DE58903000D1/de not_active Expired - Fee Related
-
1990
- 1990-12-18 US US07/628,911 patent/US5177389A/en not_active Expired - Lifetime
-
1994
- 1994-10-27 HK HK117794A patent/HK117794A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0420885A1 (fr) | 1991-04-10 |
DE3821050A1 (de) | 1989-12-28 |
KR900702625A (ko) | 1990-12-07 |
KR0140523B1 (ko) | 1998-08-17 |
JP2920834B2 (ja) | 1999-07-19 |
ATE83591T1 (de) | 1993-01-15 |
DE58903000D1 (de) | 1993-01-28 |
JPH03505395A (ja) | 1991-11-21 |
US5177389A (en) | 1993-01-05 |
EP0347722B1 (fr) | 1992-12-16 |
ES2037334T3 (es) | 1993-06-16 |
EP0347722A1 (fr) | 1989-12-27 |
WO1989012925A1 (fr) | 1989-12-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20050613 |