JPS5118181B1 - - Google Patents
Info
- Publication number
- JPS5118181B1 JPS5118181B1 JP47023246A JP2324672A JPS5118181B1 JP S5118181 B1 JPS5118181 B1 JP S5118181B1 JP 47023246 A JP47023246 A JP 47023246A JP 2324672 A JP2324672 A JP 2324672A JP S5118181 B1 JPS5118181 B1 JP S5118181B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
- H01F29/12—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable coil, winding, or part thereof; having movable shield
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12195171A | 1971-03-08 | 1971-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5118181B1 true JPS5118181B1 (no) | 1976-06-08 |
Family
ID=22399715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47023246A Pending JPS5118181B1 (no) | 1971-03-08 | 1972-03-08 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3673584A (no) |
| JP (1) | JPS5118181B1 (no) |
| AU (1) | AU466533B2 (no) |
| CA (1) | CA952229A (no) |
| CH (1) | CH555531A (no) |
| DE (1) | DE2210470B2 (no) |
| FR (1) | FR2136011A5 (no) |
| GB (1) | GB1341655A (no) |
| IT (1) | IT958694B (no) |
| NO (1) | NO133602C (no) |
| SE (1) | SE383781B (no) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3725760A (en) * | 1969-03-10 | 1973-04-03 | Bendix Corp | Automatic plotter utilizing a coordinate grid device |
| FR2120410A5 (no) * | 1970-12-31 | 1972-08-18 | Honeywell Bull Soc Ind | |
| US3772587A (en) * | 1972-03-15 | 1973-11-13 | Inductosyn Corp | Position measuring transformer |
| JPS51115852A (en) * | 1975-04-04 | 1976-10-12 | Nissan Motor Co Ltd | Detector of the revolving angle and revolution of a revolving body |
| IT1072337B (it) * | 1976-05-18 | 1985-04-10 | Olivetti Controllo Numerico Cp | Trasduttore di precisione per misure di posizioni e relativo processo di fabbricazione |
| US4863039A (en) * | 1983-12-23 | 1989-09-05 | Three Phoenix Company | Apparatus and method for handling a flexible disk for testing |
| US4893077A (en) * | 1987-05-28 | 1990-01-09 | Auchterlonie Richard C | Absolute position sensor having multi-layer windings of different pitches providing respective indications of phase proportional to displacement |
| US4893078A (en) * | 1987-05-28 | 1990-01-09 | Auchterlonie Richard C | Absolute position sensing using sets of windings of different pitches providing respective indications of phase proportional to displacement |
| US4918418A (en) * | 1988-08-04 | 1990-04-17 | Caterpillar Inc. | Inductive coil structure with electrical return path |
| US5239288A (en) * | 1990-03-09 | 1993-08-24 | Transicoil Inc. | Resolver having planar windings |
| JP2653011B2 (ja) * | 1993-05-14 | 1997-09-10 | 日本電気株式会社 | インダクトシン基板 |
| US6750575B2 (en) | 2001-08-21 | 2004-06-15 | General Electric Company | Method and apparatus for sensing the angular position of a rotating member |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2915722A (en) * | 1957-05-13 | 1959-12-01 | Inductosyn Corp | Pattern for slider of position measuring transformer |
| BE711079A (fr) * | 1968-02-21 | 1968-08-21 | Acec | Procede et dispositif de mesure de distance parcourue par un vehicule a trajet guide, par exemple ferroviaire ou analogue. |
| US3522568A (en) * | 1969-03-13 | 1970-08-04 | Inductosyn Corp | Tape scale for position measuring transformer |
-
1971
- 1971-03-08 US US121951A patent/US3673584A/en not_active Expired - Lifetime
-
1972
- 1972-03-03 SE SE7202716A patent/SE383781B/xx unknown
- 1972-03-04 DE DE2210470A patent/DE2210470B2/de active Granted
- 1972-03-07 IT IT67709/72A patent/IT958694B/it active
- 1972-03-07 AU AU39732/72A patent/AU466533B2/en not_active Expired
- 1972-03-07 FR FR7208563A patent/FR2136011A5/fr not_active Expired
- 1972-03-07 NO NO727/72A patent/NO133602C/no unknown
- 1972-03-07 GB GB1045272A patent/GB1341655A/en not_active Expired
- 1972-03-07 CH CH329472A patent/CH555531A/xx not_active IP Right Cessation
- 1972-03-08 CA CA136,514A patent/CA952229A/en not_active Expired
- 1972-03-08 JP JP47023246A patent/JPS5118181B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT958694B (it) | 1973-10-30 |
| DE2210470B2 (de) | 1973-11-08 |
| DE2210470C3 (no) | 1974-06-06 |
| CA952229A (en) | 1974-07-30 |
| NO133602C (no) | 1976-05-26 |
| NO133602B (no) | 1976-02-16 |
| US3673584A (en) | 1972-06-27 |
| GB1341655A (en) | 1973-12-25 |
| DE2210470A1 (de) | 1972-10-19 |
| CH555531A (de) | 1974-10-31 |
| AU3973272A (en) | 1973-09-13 |
| AU466533B2 (en) | 1973-09-13 |
| SE383781B (sv) | 1976-03-29 |
| FR2136011A5 (no) | 1972-12-22 |