CA2103369C - Angular acceleration detector - Google Patents
Angular acceleration detector Download PDFInfo
- Publication number
- CA2103369C CA2103369C CA002103369A CA2103369A CA2103369C CA 2103369 C CA2103369 C CA 2103369C CA 002103369 A CA002103369 A CA 002103369A CA 2103369 A CA2103369 A CA 2103369A CA 2103369 C CA2103369 C CA 2103369C
- Authority
- CA
- Canada
- Prior art keywords
- slits
- disc
- angular acceleration
- rotary body
- acceleration detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001133 acceleration Effects 0.000 title claims abstract description 58
- 239000004065 semiconductor Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/0888—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values for indicating angular acceleration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10187792 | 1992-03-29 | ||
| JPHEI4-101877 | 1992-03-29 | ||
| PCT/JP1993/000370 WO1993020451A1 (en) | 1992-03-29 | 1993-03-26 | Angular acceleration detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2103369A1 CA2103369A1 (en) | 1993-09-30 |
| CA2103369C true CA2103369C (en) | 2003-03-18 |
Family
ID=14312191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002103369A Expired - Fee Related CA2103369C (en) | 1992-03-29 | 1993-03-26 | Angular acceleration detector |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5537874A (en:Method) |
| EP (1) | EP0586712B1 (en:Method) |
| JP (1) | JP3504265B2 (en:Method) |
| KR (1) | KR100277139B1 (en:Method) |
| CA (1) | CA2103369C (en:Method) |
| DE (1) | DE69330985T2 (en:Method) |
| TW (1) | TW222326B (en:Method) |
| WO (1) | WO1993020451A1 (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10185624A (ja) * | 1996-12-25 | 1998-07-14 | Harmonic Drive Syst Ind Co Ltd | 光学式ポテンショメータ |
| US7109614B2 (en) * | 2002-04-29 | 2006-09-19 | Siemens Aktiengesellschaft | Drive unit for determining a rotation position and/or rotation speed of a drive shaft |
| US7326918B2 (en) * | 2005-07-05 | 2008-02-05 | Texas Instruments Incorporated | Optical position sensor architecture for servo systems |
| US8077303B2 (en) * | 2009-11-30 | 2011-12-13 | Bi Technologies Corporation | Rotation and differential angle optical sensor with short optical sensing array |
| US8218134B2 (en) * | 2009-11-30 | 2012-07-10 | Bi Technologies Corporation | Rotation and differential angle optical sensor with non-transition pattern sampling |
| WO2011066066A2 (en) * | 2009-11-30 | 2011-06-03 | Bi Technologies Corporation | Rotation and differential angle optical sensors |
| US8077301B2 (en) * | 2009-11-30 | 2011-12-13 | Bi Technologies Corporation | Rotation and differential angle optical sensor with integral bearing races |
| US8077302B2 (en) * | 2009-11-30 | 2011-12-13 | Bi Technologies Corporation | Rotation and differential angle optical sensor which does not require keyed installation |
| EP3190421B1 (en) * | 2016-01-07 | 2019-05-22 | Analog Devices, Inc. | Two- or three-axis angular accelerometer |
| NO345480B1 (en) * | 2019-06-28 | 2021-02-22 | Kongsberg Maritime As | Drive shaft monitoring system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2290589A (en) * | 1941-01-31 | 1942-07-21 | Westinghouse Air Brake Co | Rotary inertia device |
| US2579349A (en) | 1946-12-21 | 1951-12-18 | Gen Electric | Speed indicating device |
| GB1322713A (en) * | 1969-10-17 | 1973-07-11 | Nat Res Dev | Tachogenerators |
| JPS52129480A (en) * | 1976-04-15 | 1977-10-29 | Honda Motor Co Ltd | Device for detecting angular velocity of wheel |
| JPS62157523A (ja) * | 1985-12-28 | 1987-07-13 | Aisin Warner Ltd | 光式ロ−タリエンコ−ダ |
| DE4021455A1 (de) * | 1989-11-27 | 1991-05-29 | Stribel Gmbh | Optoelektronische einrichtung |
| JP2600422B2 (ja) * | 1990-03-05 | 1997-04-16 | 日産自動車株式会社 | 半導体加速度センサの製造方法 |
| JPH03255367A (ja) * | 1990-03-05 | 1991-11-14 | Yokogawa Electric Corp | 回転体の加速度計 |
-
1993
- 1993-03-26 WO PCT/JP1993/000370 patent/WO1993020451A1/ja active IP Right Grant
- 1993-03-26 CA CA002103369A patent/CA2103369C/en not_active Expired - Fee Related
- 1993-03-26 KR KR1019930703679A patent/KR100277139B1/ko not_active Expired - Fee Related
- 1993-03-26 EP EP93906830A patent/EP0586712B1/en not_active Expired - Lifetime
- 1993-03-26 US US08/142,289 patent/US5537874A/en not_active Expired - Fee Related
- 1993-03-26 DE DE69330985T patent/DE69330985T2/de not_active Expired - Fee Related
- 1993-03-26 JP JP51729093A patent/JP3504265B2/ja not_active Expired - Fee Related
- 1993-05-27 TW TW082104212A patent/TW222326B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| WO1993020451A1 (en) | 1993-10-14 |
| CA2103369A1 (en) | 1993-09-30 |
| DE69330985T2 (de) | 2002-04-04 |
| US5537874A (en) | 1996-07-23 |
| EP0586712A4 (en) | 1996-10-02 |
| KR100277139B1 (ko) | 2001-01-15 |
| EP0586712B1 (en) | 2001-10-24 |
| TW222326B (en:Method) | 1994-04-11 |
| JP3504265B2 (ja) | 2004-03-08 |
| DE69330985D1 (de) | 2001-11-29 |
| EP0586712A1 (en) | 1994-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |