CA1063163A - Electromechanical torsional oscillator with resonant frequency and amplitude control - Google Patents

Electromechanical torsional oscillator with resonant frequency and amplitude control

Info

Publication number
CA1063163A
CA1063163A CA258,880A CA258880A CA1063163A CA 1063163 A CA1063163 A CA 1063163A CA 258880 A CA258880 A CA 258880A CA 1063163 A CA1063163 A CA 1063163A
Authority
CA
Canada
Prior art keywords
armature
shaped core
torsion bar
drive
flux
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
Application number
CA258,880A
Other languages
English (en)
French (fr)
Inventor
Laverne F. Knappe
Roger H. Peterson
Gary J. Stroebel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1063163A publication Critical patent/CA1063163A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10Scanning systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00Transducers of moving-armature or moving-core type
    • H04R11/14Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Control Of Velocity Or Acceleration (AREA)
CA258,880A 1975-08-27 1976-08-11 Electromechanical torsional oscillator with resonant frequency and amplitude control Expired CA1063163A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/608,120 US4187452A (en) 1975-08-27 1975-08-27 Electromechanical torsional oscillator with resonant frequency and amplitude control

Publications (1)

Publication Number Publication Date
CA1063163A true CA1063163A (en) 1979-09-25

Family

ID=24435124

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258,880A Expired CA1063163A (en) 1975-08-27 1976-08-11 Electromechanical torsional oscillator with resonant frequency and amplitude control

Country Status (8)

Country Link
US (1) US4187452A (enExample)
JP (1) JPS52101053A (enExample)
CA (1) CA1063163A (enExample)
DE (1) DE2632095A1 (enExample)
FR (1) FR2322477A1 (enExample)
GB (1) GB1551267A (enExample)
IT (1) IT1063721B (enExample)
NL (1) NL7608284A (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924924C2 (de) * 1978-06-21 1985-02-21 Universal Pioneer Corp., Tokio/Tokyo Optisch-mechanischer Abtaster
FR2444283A1 (fr) * 1978-12-14 1980-07-11 Onera (Off Nat Aerospatiale) Perfectionnements aux dispositifs vibrants pour le traitement d'un faisceau optique
US4346416A (en) * 1980-02-29 1982-08-24 Digital Equipment Corporation Rotary actuator assembly for disk drive head positioner
GB2110422A (en) * 1981-11-27 1983-06-15 Philips Electronic Associated Electromechanical bistable arrangements
DE3213076A1 (de) * 1982-04-07 1983-10-20 Max Planck Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Sekundaerspiegel-kippvorrichtung fuer ein spiegelteleskop
JPS5917019A (ja) * 1982-07-20 1984-01-28 Toshiba Corp 回転体支持装置
GB2176344A (en) * 1984-05-25 1986-12-17 Koehring Co Force motor
US4694235A (en) * 1986-08-01 1987-09-15 General Scanning, Inc. Capacitive position sensor
US4802752A (en) * 1986-10-02 1989-02-07 Greyhawk Systems, Inc. Method of and apparatus for mounting a mirror to a rotatable shaft
US4856858A (en) * 1987-01-30 1989-08-15 Citizen Watch Co., Ltd. Optical scanner
US4845424A (en) * 1987-11-16 1989-07-04 Gamble John G Rotary displacement motor
US4998031A (en) * 1989-01-23 1991-03-05 Griffey Henry L Stepping motor with one-way clutch
US5126545A (en) * 1990-01-16 1992-06-30 Symbol Technologies, Inc. Portable laser scanning system having a motor drive with no DC windings
JP3389270B2 (ja) * 1992-05-15 2003-03-24 シンボル テクノロジイズ インコーポレイテッド 小型バーコード走査装置
US5561486A (en) * 1994-09-29 1996-10-01 Eastman Kodak Company Assembly for use in electromagnetic actuator
US5557444A (en) * 1994-10-26 1996-09-17 University Of Washington Miniature optical scanner for a two axis scanning system
DE29713167U1 (de) * 1997-07-24 1998-11-19 FEV Motorentechnik GmbH & Co. KG, 52078 Aachen Elektromagnetischer Aktuator mit elastisch verformbarem Anker
US6265794B1 (en) * 1999-10-29 2001-07-24 Gsi Lumenics, Inc. Method for tuning the resonant frequency of crossed-flexure pivot galvanometers
US6738226B1 (en) 2000-01-13 2004-05-18 Jpmorgan Chase Bank Adhesive control features for disc drive head suspension and flex circuit interconnect
DE10350445A1 (de) * 2003-10-29 2005-06-02 Braun Gmbh Elektrische Antriebseinheit zur Erzeugung einer oszillierenden Bewegung
DE10350447A1 (de) * 2003-10-29 2005-06-02 Braun Gmbh Antriebseinheit zur Erzeugung einer oszillierenden Bewegung für elektrische Kleingeräte
EP1732088B1 (de) * 2005-06-08 2013-08-14 Mahle International GmbH Elektromagnetischer Stellantrieb
FR2896080B1 (fr) * 2006-01-12 2008-04-04 Valeo Sys Controle Moteur Sas Actionneur electromagnetique a aimants permanents disposes en v selon un agencement electromagnetiquement optimise
US7732952B1 (en) 2006-07-14 2010-06-08 Ultreo, Inc. Oscillatory motors and devices incorporating them
WO2008019054A2 (en) * 2006-08-03 2008-02-14 Deak David G Electromotive device
EP1936787B1 (en) * 2006-12-21 2012-03-14 Saab Ab AMPG device for generation of electrical energy from vibrations, an AMPG device assembly, and a method to optimize the generation of said electrical energy
US9343931B2 (en) 2012-04-06 2016-05-17 David Deak Electrical generator with rotational gaussian surface magnet and stationary coil
DE102013104410A1 (de) * 2013-04-30 2014-10-30 Scansonic Mi Gmbh Scannervorrichtung
DE102013114830A1 (de) * 2013-12-23 2015-06-25 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung
CN111819770B (zh) 2017-10-30 2023-09-19 威能科技有限责任公司 磁动量传递式发电机
US11368079B2 (en) 2019-11-06 2022-06-21 David Deak, SR. Offset triggered cantilever actuated generator
EP4062522A1 (en) 2019-11-21 2022-09-28 WePower Technologies LLC Tangentially actuated magnetic momentum transfer generator

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417077A (en) * 1939-07-28 1947-03-11 United Geophysical Company Inc Seismometer
US2673318A (en) * 1947-09-16 1954-03-23 American Optical Corp Electric motor
FR1218981A (fr) * 1959-02-24 1960-05-13 Rech S Et D Expl De Procedes E Vibreur électromagnétique
US3177385A (en) * 1963-01-10 1965-04-06 Mechanics For Electronics Electric motor for limited rotation
US3432697A (en) * 1966-01-21 1969-03-11 Gen Electric Adjustable torsion member mechanism for torsion member clocks
GB1130150A (en) * 1966-07-04 1968-10-09 Horstmann Magnetics Ltd An electromechanical oscillator comprising a tuning fork with frequency adjustment
US3609485A (en) * 1969-04-09 1971-09-28 Bulova Watch Co Inc Resonant torsional oscillators
US3624574A (en) * 1969-11-24 1971-11-30 Gen Scannings Inc Actuator
US3666974A (en) * 1970-01-16 1972-05-30 Bulova Watch Co Inc Torsional fork transducers
US3642344A (en) * 1970-11-27 1972-02-15 Honeywell Inc Optical scanner having high-frequency torsional oscillator
JPS5318129B2 (enExample) * 1972-07-21 1978-06-13
US3836289A (en) * 1972-09-06 1974-09-17 E Wolford Magnetic pump
US3921045A (en) * 1974-07-24 1975-11-18 Bulova Watch Co Inc Damped torsional rod oscillator
US3959673A (en) * 1974-12-19 1976-05-25 General Scanning, Inc. Oscillation motors

Also Published As

Publication number Publication date
FR2322477A1 (fr) 1977-03-25
DE2632095A1 (de) 1977-03-10
GB1551267A (en) 1979-08-30
JPS5630778B2 (enExample) 1981-07-17
IT1063721B (it) 1985-02-11
US4187452A (en) 1980-02-05
NL7608284A (nl) 1977-03-01
FR2322477B1 (enExample) 1979-09-28
JPS52101053A (en) 1977-08-24

Similar Documents

Publication Publication Date Title
CA1063163A (en) Electromechanical torsional oscillator with resonant frequency and amplitude control
EP0799520B1 (en) Electromagnetic force generator
US4145725A (en) Electromagnetic actuator
US4439700A (en) Magnetic drive system for generating linear movements
US3970979A (en) Limited rotation motor with velocity sensing system
US5506732A (en) Optical pickup
US4945330A (en) Actuator
JPH0418082Y2 (enExample)
JPH0460971A (ja) 磁気ヘッド駆動装置用磁気回路
US4845424A (en) Rotary displacement motor
JPS6359523B2 (enExample)
WO1988004821A1 (en) Flexure supported read/write head
US5097162A (en) Variable angle stepper motor with spring magnet
USRE26749E (en) Llectric motor for limited rotation
US4242658A (en) Magnetic actuator using modulated flux
US4426669A (en) Transducer positioner in disk files
JPH0295162A (ja) リニアステップモータ
JPS63223613A (ja) 振動ミラ−装置
US4221937A (en) Moving iron type cartridge
JPH0530288B2 (enExample)
CA2571681A1 (en) Optical scanner
KR0121685Y1 (ko) 보이스코일 모터
KR0122980Y1 (ko) 보이스 코일모터
JP2807154B2 (ja) 対物レンズ駆動装置
JPS6339083B2 (enExample)