CA1106025A - Displacement detecting apparatus - Google Patents
Displacement detecting apparatusInfo
- Publication number
- CA1106025A CA1106025A CA321,720A CA321720A CA1106025A CA 1106025 A CA1106025 A CA 1106025A CA 321720 A CA321720 A CA 321720A CA 1106025 A CA1106025 A CA 1106025A
- Authority
- CA
- Canada
- Prior art keywords
- phase
- pulse
- modulated
- signal
- signals
- 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
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 68
- 230000005291 magnetic effect Effects 0.000 claims abstract description 57
- 230000010363 phase shift Effects 0.000 claims abstract description 8
- 230000004044 response Effects 0.000 claims description 20
- 230000007704 transition Effects 0.000 claims description 12
- 230000000875 corresponding effect Effects 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 2
- 235000019988 mead Nutrition 0.000 claims 1
- 230000006870 function Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 11
- 238000004804 winding Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000027311 M phase Effects 0.000 description 3
- 241000272470 Circus Species 0.000 description 2
- 101150087426 Gnal gene Proteins 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000022563 Rema Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229940035564 duration Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/243—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the phase or frequency of AC
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Phase Differences (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990678A JPS54113352A (en) | 1978-02-24 | 1978-02-24 | Phase detecting circuit |
| JP19906/78 | 1978-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1106025A true CA1106025A (en) | 1981-07-28 |
Family
ID=12012248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA321,720A Expired CA1106025A (en) | 1978-02-24 | 1979-02-19 | Displacement detecting apparatus |
Country Status (9)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4603295A (en) * | 1982-07-15 | 1986-07-29 | The United States Of America As Represented By The Secretary Of The Navy | Two-headed DC magnetic target proximity sensor |
| US4663588A (en) * | 1983-07-27 | 1987-05-05 | Sony Magnescale Incorporation | Detector for use for measuring dimensions of an object |
| US5016005A (en) * | 1987-10-13 | 1991-05-14 | Terametrix Systems International, Inc. | Telemetry apparatus and method |
| JPH0264462U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1988-11-05 | 1990-05-15 | ||
| US5160886A (en) * | 1991-02-14 | 1992-11-03 | Carlen Controls, Inc. | Permanent magnet resolver for producing a resolver-to-digital converter compatible output |
| US5735028A (en) * | 1994-10-19 | 1998-04-07 | Matsushita Electric Industrial Co., Ltd. | Processing apparatus with movable processing tool and processing method |
| JP3531375B2 (ja) * | 1996-09-03 | 2004-05-31 | ソニー・プレシジョン・テクノロジー株式会社 | 変位量検出装置 |
| RU2145059C1 (ru) * | 1996-09-13 | 2000-01-27 | Надеев Альмансур Измайлович | Магнитострикционный преобразователь перемещений в код |
| DE10162448B4 (de) | 2001-01-12 | 2014-09-04 | Heidelberger Druckmaschinen Ag | Einrichtung zur Lageerfassung eines Läuferteils in einem Transportsystem |
| WO2017151089A1 (en) * | 2016-02-29 | 2017-09-08 | Halliburton Energy Services, Inc. | Fixed-wavelength fiber optic telemetry for casing collar locator signals |
| CN110806227B (zh) * | 2019-11-01 | 2021-06-15 | 北京北一法康生产线有限公司 | 一种电梯用信息带检测系统 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4836903B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-01-29 | 1973-11-07 | ||
| US3582924A (en) * | 1968-05-17 | 1971-06-01 | Sony Corp | Displacement measuring instrument |
| US3550442A (en) | 1968-09-05 | 1970-12-29 | Uniroyal Inc | Method and apparatus for measuring uniformity of tires |
| JPS4835017B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-10-02 | 1973-10-25 |
-
1978
- 1978-02-24 JP JP1990678A patent/JPS54113352A/ja active Granted
-
1979
- 1979-02-19 CA CA321,720A patent/CA1106025A/en not_active Expired
- 1979-02-22 CH CH173579A patent/CH634649A5/fr not_active IP Right Cessation
- 1979-02-23 FR FR7904750A patent/FR2418440A1/fr active Granted
- 1979-02-23 GB GB7906475A patent/GB2015163B/en not_active Expired
- 1979-02-23 DE DE19792907175 patent/DE2907175A1/de active Granted
- 1979-02-23 US US06/014,318 patent/US4309702A/en not_active Expired - Lifetime
- 1979-02-26 NL NL7901510A patent/NL7901510A/xx not_active Application Discontinuation
- 1979-02-26 AT AT0146879A patent/AT394272B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2907175C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-15 |
| ATA146879A (de) | 1991-08-15 |
| GB2015163B (en) | 1982-06-30 |
| DE2907175A1 (de) | 1979-09-13 |
| JPS6139602B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-09-04 |
| NL7901510A (nl) | 1979-08-28 |
| JPS54113352A (en) | 1979-09-04 |
| CH634649A5 (fr) | 1983-02-15 |
| AT394272B (de) | 1992-02-25 |
| US4309702A (en) | 1982-01-05 |
| GB2015163A (en) | 1979-09-05 |
| FR2418440A1 (fr) | 1979-09-21 |
| FR2418440B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |