CA1055136A - Position measurement system - Google Patents
Position measurement systemInfo
- Publication number
- CA1055136A CA1055136A CA228,934A CA228934A CA1055136A CA 1055136 A CA1055136 A CA 1055136A CA 228934 A CA228934 A CA 228934A CA 1055136 A CA1055136 A CA 1055136A
- Authority
- CA
- Canada
- Prior art keywords
- pulse
- response
- modulator
- pulses
- output
- 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
- 238000005259 measurement Methods 0.000 title claims abstract description 33
- 238000006073 displacement reaction Methods 0.000 claims abstract description 60
- 230000008859 change Effects 0.000 claims abstract description 30
- 230000001186 cumulative effect Effects 0.000 claims abstract description 12
- 230000004044 response Effects 0.000 claims description 71
- 230000000295 complement effect Effects 0.000 claims description 27
- 238000011068 loading method Methods 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 12
- 238000009825 accumulation Methods 0.000 claims description 7
- 230000006872 improvement Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 16
- 230000000875 corresponding effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 230000007704 transition Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- XLNZEKHULJKQBA-UHFFFAOYSA-N terbufos Chemical compound CCOP(=S)(OCC)SCSC(C)(C)C XLNZEKHULJKQBA-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 1
- 235000019227 E-number Nutrition 0.000 description 1
- 239000004243 E-number Substances 0.000 description 1
- 244000187656 Eucalyptus cornuta Species 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 229940048513 nullo Drugs 0.000 description 1
- 229940086255 perform Drugs 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
- H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
- H03M1/303—Circuits or methods for processing the quadrature signals
- H03M1/305—Circuits or methods for processing the quadrature signals for detecting the direction of movement
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Paper (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US480442A US3922671A (en) | 1974-06-17 | 1974-06-17 | Position measurement system with provision for change of units of measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1055136A true CA1055136A (en) | 1979-05-22 |
Family
ID=23907994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA228,934A Expired CA1055136A (en) | 1974-06-17 | 1975-06-10 | Position measurement system |
Country Status (10)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021714A (en) * | 1975-01-08 | 1977-05-03 | Contraves-Goerz Corporation | Servo system employing a tracking digital angle encoder |
| US4056850A (en) * | 1976-01-19 | 1977-11-01 | Dynamics Research Corporation | Absolute relative position encoder processor and display |
| US4041466A (en) * | 1976-01-19 | 1977-08-09 | Dynamics Research Corporation | Multi-axis encoder processing and display system |
| US4081732A (en) * | 1976-03-02 | 1978-03-28 | Tadamasa Aoyama | Automatic positioning method and apparatus |
| US4115859A (en) * | 1977-06-30 | 1978-09-19 | Dynamics Research Corporation | Back gauge controller |
| DE2732954C2 (de) * | 1977-07-21 | 1979-07-05 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Inkrementales Lagemeßsystem |
| US4147967A (en) * | 1977-11-10 | 1979-04-03 | Ncr Corporation | Apparatus and method for controlling the velocity of a moveable member |
| US4364045A (en) * | 1981-03-03 | 1982-12-14 | Northrop Corporation | Digitized displacement transducer |
| US4682151A (en) * | 1985-12-04 | 1987-07-21 | Caterpillar Inc. | Position to duty cycle conversion apparatus and method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3609320A (en) * | 1969-03-24 | 1971-09-28 | Inductosyn Corp | Position-measuring system |
| GB1290214A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-07-07 | 1972-09-20 | ||
| US3742487A (en) * | 1971-02-05 | 1973-06-26 | Inductosyn Corp | Scale of two improved digital and analog converter |
-
1974
- 1974-06-17 US US480442A patent/US3922671A/en not_active Expired - Lifetime
-
1975
- 1975-06-10 CH CH745875A patent/CH606997A5/xx not_active IP Right Cessation
- 1975-06-10 CA CA228,934A patent/CA1055136A/en not_active Expired
- 1975-06-13 FR FR7518557A patent/FR2274890A1/fr active Granted
- 1975-06-14 DE DE19752526672 patent/DE2526672A1/de not_active Withdrawn
- 1975-06-16 NO NO752143A patent/NO139870C/no unknown
- 1975-06-16 GB GB25565/75A patent/GB1483975A/en not_active Expired
- 1975-06-16 SE SE7506852A patent/SE417248B/xx unknown
- 1975-06-17 JP JP50074272A patent/JPS5116950A/ja active Pending
- 1975-06-17 IT IT68564/75A patent/IT1036323B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1483975A (en) | 1977-08-24 |
| NO139870B (no) | 1979-02-12 |
| JPS5116950A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-02-10 |
| SE417248B (sv) | 1981-03-02 |
| IT1036323B (it) | 1979-10-30 |
| NO752143L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-18 |
| NO139870C (no) | 1979-05-23 |
| DE2526672A1 (de) | 1976-01-02 |
| SE7506852L (sv) | 1975-12-18 |
| US3922671A (en) | 1975-11-25 |
| CH606997A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-11-30 |
| FR2274890B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-02-05 |
| FR2274890A1 (fr) | 1976-01-09 |
| AU8181075A (en) | 1976-12-09 |
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