JPH0379647B2 - - Google Patents
Info
- Publication number
- JPH0379647B2 JPH0379647B2 JP58057054A JP5705483A JPH0379647B2 JP H0379647 B2 JPH0379647 B2 JP H0379647B2 JP 58057054 A JP58057054 A JP 58057054A JP 5705483 A JP5705483 A JP 5705483A JP H0379647 B2 JPH0379647 B2 JP H0379647B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- electrodes
- transmitting
- phase
- plate
- 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 - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 claims description 26
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 238000005259 measurement Methods 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 235000012489 doughnuts Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003068 static 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
- G01D5/14—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
- G01D5/24—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 by varying capacitance
- G01D5/241—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 by varying capacitance by relative movement of capacitor electrodes
- G01D5/2412—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 by varying capacitance by relative movement of capacitor electrodes by varying overlap
- G01D5/2415—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 by varying capacitance by relative movement of capacitor electrodes by varying overlap adapted for encoders
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58057054A JPS59183329A (ja) | 1983-04-01 | 1983-04-01 | デジタル表示測定装置 |
US06/595,248 US4578868A (en) | 1983-04-01 | 1984-03-30 | Digital display measuring apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58057054A JPS59183329A (ja) | 1983-04-01 | 1983-04-01 | デジタル表示測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59183329A JPS59183329A (ja) | 1984-10-18 |
JPH0379647B2 true JPH0379647B2 (lt) | 1991-12-19 |
Family
ID=13044726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58057054A Granted JPS59183329A (ja) | 1983-04-01 | 1983-04-01 | デジタル表示測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59183329A (lt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61105421A (ja) * | 1984-10-29 | 1986-05-23 | Mitsutoyo Mfg Co Ltd | 静電容量型エンコ−ダ |
JP4088073B2 (ja) * | 2002-01-11 | 2008-05-21 | 株式会社ミツトヨ | 絶対位置測定装置 |
JP5022724B2 (ja) * | 2006-03-07 | 2012-09-12 | 株式会社ミツトヨ | 絶対位置測定装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5494354A (en) * | 1977-12-09 | 1979-07-26 | Stiftelsen Inst Mikrovags | Device for measuring relative position of moving part |
-
1983
- 1983-04-01 JP JP58057054A patent/JPS59183329A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5494354A (en) * | 1977-12-09 | 1979-07-26 | Stiftelsen Inst Mikrovags | Device for measuring relative position of moving part |
Also Published As
Publication number | Publication date |
---|---|
JPS59183329A (ja) | 1984-10-18 |
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