GB2365251B - Moving magnet transducer - Google Patents
Moving magnet transducerInfo
- Publication number
- GB2365251B GB2365251B GB0124964A GB0124964A GB2365251B GB 2365251 B GB2365251 B GB 2365251B GB 0124964 A GB0124964 A GB 0124964A GB 0124964 A GB0124964 A GB 0124964A GB 2365251 B GB2365251 B GB 2365251B
- Authority
- GB
- United Kingdom
- Prior art keywords
- moving magnet
- magnet transducer
- transducer
- moving
- magnet
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0603—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a piezoelectric bender, e.g. bimorph
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1607—Production of print heads with piezoelectric elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1623—Manufacturing processes bonding and adhesion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/02—Sliding-contact bearings
- F16C29/025—Hydrostatic or aerostatic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/021—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by their composition, e.g. comprising materials providing for particular spring properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
- H02K7/088—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly radially supporting the rotor directly
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/08—Shaping or machining of piezoelectric or electrostrictive bodies
- H10N30/084—Shaping or machining of piezoelectric or electrostrictive bodies by moulding or extrusion
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/101—Piezoelectric or electrostrictive devices with electrical and mechanical input and output, e.g. having combined actuator and sensor parts
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/0283—Materials; Material properties solids piezoelectric; electro- or magnetostrictive
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9718785.0A GB9718785D0 (en) | 1997-09-05 | 1997-09-05 | Electromechanical transducer |
GBGB9805053.7A GB9805053D0 (en) | 1998-03-11 | 1998-03-11 | Improvements in actuators |
GBGB9805735.9A GB9805735D0 (en) | 1998-03-19 | 1998-03-19 | Improvements in linear actuators |
GB9819304A GB2329514B (en) | 1997-09-05 | 1998-09-04 | Aerogels, piezoelectric devices and uses therefor |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0124964D0 GB0124964D0 (en) | 2001-12-05 |
GB2365251A GB2365251A (en) | 2002-02-13 |
GB2365251B true GB2365251B (en) | 2002-04-03 |
Family
ID=27451695
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0124972A Expired - Fee Related GB2364965B (en) | 1997-09-05 | 1998-09-04 | Manufacture of piezoelectric print head |
GB0124970A Expired - Fee Related GB2365205B (en) | 1997-09-05 | 1998-09-04 | Piezoelectric device |
GB0124978A Expired - Lifetime GB2365206B (en) | 1997-09-05 | 1998-09-04 | Piezoelectric driver device with integral sensing layer |
GB0124964A Expired - Fee Related GB2365251B (en) | 1997-09-05 | 1998-09-04 | Moving magnet transducer |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0124972A Expired - Fee Related GB2364965B (en) | 1997-09-05 | 1998-09-04 | Manufacture of piezoelectric print head |
GB0124970A Expired - Fee Related GB2365205B (en) | 1997-09-05 | 1998-09-04 | Piezoelectric device |
GB0124978A Expired - Lifetime GB2365206B (en) | 1997-09-05 | 1998-09-04 | Piezoelectric driver device with integral sensing layer |
Country Status (1)
Country | Link |
---|---|
GB (4) | GB2364965B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7368853B2 (en) | 2002-04-22 | 2008-05-06 | Elliptec Resonant Actuator Aktiengesellschaft | Piezoelectric motors and methods for the production and operation thereof |
EP1500183A2 (en) * | 2002-04-22 | 2005-01-26 | Elliptec Resonant Actuator AG | Piezo motor |
GB0509837D0 (en) * | 2005-05-16 | 2005-06-22 | 1 Ltd | Curved electro-active actuator |
DE102005024192A1 (en) * | 2005-05-25 | 2006-11-30 | Siemens Ag | Piezoelectric bending transducer with sensor element for detecting a deflection of the bending transducer, method for detecting the deflection of the bending transducer and use of the detected deflection |
FR2951014B1 (en) | 2009-10-06 | 2011-11-25 | Commissariat Energie Atomique | PIEZOELECTRIC ACTUATION STRUCTURE COMPRISING AN INTEGRATED PIEZORESISTIVE STRAIN GAUGE AND METHOD FOR PRODUCING THE SAME |
CN104600190A (en) * | 2014-12-25 | 2015-05-06 | 镇江丰成民用联网设备科技有限公司 | Novel piezoelectric composite structure |
CN110297231B (en) * | 2019-05-10 | 2021-06-22 | 中国船舶重工集团公司第七一五研究所 | Broadband transmitting-receiving split transducer array |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5748758A (en) * | 1996-01-25 | 1998-05-05 | Menasco, Jr.; Lawrence C. | Acoustic audio transducer with aerogel diaphragm |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB758631A (en) * | 1952-01-31 | 1956-10-10 | Nat Res Dev | Improvements in and relating to ultrasonic oscillators and vibratory tools |
JPS50110156A (en) * | 1974-02-08 | 1975-08-29 | ||
US4868447A (en) * | 1987-09-11 | 1989-09-19 | Cornell Research Foundation, Inc. | Piezoelectric polymer laminates for torsional and bending modal control |
JPH04353463A (en) * | 1991-05-31 | 1992-12-08 | Brother Ind Ltd | Manufacture of piezoelectric element for pulse droplet bonding apparatus |
JP3006193B2 (en) * | 1991-08-26 | 2000-02-07 | ブラザー工業株式会社 | Method for manufacturing piezoelectric element for inkjet printer head |
JPH05110156A (en) * | 1991-10-21 | 1993-04-30 | Nec Corp | Multilayer piezoelectric effect element |
GB9215254D0 (en) * | 1992-07-17 | 1992-09-02 | Cookson Group Plc | Ceramic deflection device |
US5485053A (en) * | 1993-10-15 | 1996-01-16 | Univ America Catholic | Method and device for active constrained layer damping for vibration and sound control |
CN2369412Y (en) * | 1997-02-04 | 2000-03-15 | 焦秉立 | Curved piezoelectric vibrator |
-
1998
- 1998-09-04 GB GB0124972A patent/GB2364965B/en not_active Expired - Fee Related
- 1998-09-04 GB GB0124970A patent/GB2365205B/en not_active Expired - Fee Related
- 1998-09-04 GB GB0124978A patent/GB2365206B/en not_active Expired - Lifetime
- 1998-09-04 GB GB0124964A patent/GB2365251B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5748758A (en) * | 1996-01-25 | 1998-05-05 | Menasco, Jr.; Lawrence C. | Acoustic audio transducer with aerogel diaphragm |
Also Published As
Publication number | Publication date |
---|---|
GB0124964D0 (en) | 2001-12-05 |
GB0124970D0 (en) | 2001-12-05 |
GB2365205B (en) | 2002-04-03 |
GB2365205A (en) | 2002-02-13 |
GB2365206B (en) | 2002-04-03 |
GB0124972D0 (en) | 2001-12-05 |
GB2364965A (en) | 2002-02-13 |
GB2365206A (en) | 2002-02-13 |
GB2365251A (en) | 2002-02-13 |
GB2364965B (en) | 2002-04-03 |
GB0124978D0 (en) | 2001-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20110904 |