IT1026647B - Trasformatore a radiofrequenza perfezionato - Google Patents
Trasformatore a radiofrequenza perfezionatoInfo
- Publication number
- IT1026647B IT1026647B IT29994/74A IT2999474A IT1026647B IT 1026647 B IT1026647 B IT 1026647B IT 29994/74 A IT29994/74 A IT 29994/74A IT 2999474 A IT2999474 A IT 2999474A IT 1026647 B IT1026647 B IT 1026647B
- Authority
- IT
- Italy
- Prior art keywords
- perfected
- radiofrequency transformer
- radiofrequency
- transformer
- perfected radiofrequency
- Prior art date
Links
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
- G01D5/20—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 inductance, e.g. by a movable armature
- G01D5/204—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 inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2073—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 inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to two or more coils
-
- 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
- G01D5/20—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 inductance, e.g. by a movable armature
- G01D5/22—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 inductance, e.g. by a movable armature differentially influencing two coils
- G01D5/225—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 inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils
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)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US426837A US3898635A (en) | 1973-12-20 | 1973-12-20 | Position measuring transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1026647B true IT1026647B (it) | 1978-10-20 |
Family
ID=23692415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT29994/74A IT1026647B (it) | 1973-12-20 | 1974-11-29 | Trasformatore a radiofrequenza perfezionato |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3898635A (it) |
| JP (1) | JPS5821685B2 (it) |
| CA (1) | CA1023825A (it) |
| CH (1) | CH578165A5 (it) |
| DE (1) | DE2448950C3 (it) |
| ES (1) | ES433104A1 (it) |
| FR (1) | FR2255576B1 (it) |
| GB (1) | GB1469677A (it) |
| IT (1) | IT1026647B (it) |
| NL (1) | NL183784C (it) |
| SE (1) | SE403653B (it) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030085A (en) * | 1976-07-20 | 1977-06-14 | The United States Of America As Represented By The United States Energy Research And Development Administration | Nonferromagnetic linear variable differential transformer |
| GB2029327B (en) * | 1978-09-02 | 1982-08-25 | Ibm | Printing apparatus |
| GB2204410B (en) * | 1987-05-05 | 1991-11-06 | British Gas Plc | Discontinuity locator |
| US5008619A (en) * | 1988-11-18 | 1991-04-16 | Amp-Akzo Corporation | Multilevel circuit board precision positioning |
| JPH05187803A (ja) * | 1992-01-14 | 1993-07-27 | Kanbayashi Seisakusho:Kk | センサ |
| DK0760087T4 (da) * | 1994-05-14 | 2004-08-09 | Synaptics Uk Ltd | Positionskodeorgan |
| US20030062889A1 (en) * | 1996-12-12 | 2003-04-03 | Synaptics (Uk) Limited | Position detector |
| US6249234B1 (en) | 1994-05-14 | 2001-06-19 | Absolute Sensors Limited | Position detector |
| US6788221B1 (en) | 1996-06-28 | 2004-09-07 | Synaptics (Uk) Limited | Signal processing apparatus and method |
| WO1998054545A2 (en) | 1997-05-28 | 1998-12-03 | Absolute Sensors Limited | Position transducer and method of manufacture |
| GB9720954D0 (en) | 1997-10-02 | 1997-12-03 | Scient Generics Ltd | Commutators for motors |
| GB9721891D0 (en) | 1997-10-15 | 1997-12-17 | Scient Generics Ltd | Symmetrically connected spiral transducer |
| GB9811151D0 (en) | 1998-05-22 | 1998-07-22 | Scient Generics Ltd | Rotary encoder |
| CA2352363A1 (en) * | 1998-11-27 | 2000-06-08 | Synaptics (Uk) Limited | Position sensor |
| US7019672B2 (en) * | 1998-12-24 | 2006-03-28 | Synaptics (Uk) Limited | Position sensor |
| US7511705B2 (en) * | 2001-05-21 | 2009-03-31 | Synaptics (Uk) Limited | Position sensor |
| GB2403017A (en) * | 2002-03-05 | 2004-12-22 | Synaptics | Position sensor |
| US7907130B2 (en) * | 2002-06-05 | 2011-03-15 | Synaptics (Uk) Limited | Signal transfer method and apparatus |
| GB0317370D0 (en) * | 2003-07-24 | 2003-08-27 | Synaptics Uk Ltd | Magnetic calibration array |
| GB0319945D0 (en) * | 2003-08-26 | 2003-09-24 | Synaptics Uk Ltd | Inductive sensing system |
| JP2008029125A (ja) * | 2006-07-21 | 2008-02-07 | Sony Corp | 電磁誘導型処理装置 |
| EP2145158B1 (en) | 2007-05-10 | 2018-03-07 | Cambridge Integrated Circuits Limited | Transducer |
| GB2488389C (en) | 2010-12-24 | 2018-08-22 | Cambridge Integrated Circuits Ltd | Position sensing transducer |
| GB2503006B (en) | 2012-06-13 | 2017-08-09 | Cambridge Integrated Circuits Ltd | Position sensing transducer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2767365A (en) * | 1955-05-06 | 1956-10-16 | Westinghouse Electric Corp | Motor control system |
| US3183496A (en) * | 1961-06-15 | 1965-05-11 | Westinghouse Electric Corp | Position indicating arrangement |
| BE670166A (it) * | 1964-10-01 | |||
| US3356933A (en) * | 1964-10-27 | 1967-12-05 | Clifford O Stettler | Displacement sensor comprising differential transformer with nonmagnetic core |
| US3683343A (en) * | 1970-07-27 | 1972-08-08 | Stephen Feldman | Demand metering system for electric energy |
| GB1414517A (en) * | 1971-11-26 | 1975-11-19 | Bosch Gmbh Robert | Rotary inductive transducers |
-
1973
- 1973-12-20 US US426837A patent/US3898635A/en not_active Expired - Lifetime
-
1974
- 1974-10-15 DE DE2448950A patent/DE2448950C3/de not_active Expired
- 1974-11-08 FR FR7441630A patent/FR2255576B1/fr not_active Expired
- 1974-11-14 CH CH1521674A patent/CH578165A5/xx not_active IP Right Cessation
- 1974-11-27 GB GB5137474A patent/GB1469677A/en not_active Expired
- 1974-11-27 CA CA214,900A patent/CA1023825A/en not_active Expired
- 1974-11-29 IT IT29994/74A patent/IT1026647B/it active
- 1974-12-11 NL NLAANVRAGE7416100,A patent/NL183784C/xx not_active IP Right Cessation
- 1974-12-17 JP JP49144143A patent/JPS5821685B2/ja not_active Expired
- 1974-12-18 SE SE7415898A patent/SE403653B/xx not_active IP Right Cessation
- 1974-12-19 ES ES433104A patent/ES433104A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2255576B1 (it) | 1977-05-20 |
| CH578165A5 (it) | 1976-07-30 |
| NL183784B (nl) | 1988-08-16 |
| US3898635A (en) | 1975-08-05 |
| SE403653B (sv) | 1978-08-28 |
| ES433104A1 (es) | 1976-11-16 |
| SE7415898L (it) | 1975-06-23 |
| GB1469677A (en) | 1977-04-06 |
| CA1023825A (en) | 1978-01-03 |
| JPS5821685B2 (ja) | 1983-05-02 |
| NL183784C (nl) | 1989-01-16 |
| DE2448950A1 (de) | 1975-06-26 |
| DE2448950C3 (de) | 1980-01-24 |
| NL7416100A (nl) | 1975-06-24 |
| JPS5096250A (it) | 1975-07-31 |
| DE2448950B2 (de) | 1979-05-17 |
| FR2255576A1 (it) | 1975-07-18 |
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