DK90378A - Anordning ved elektrodynamisk hoejttaler - Google Patents

Anordning ved elektrodynamisk hoejttaler

Info

Publication number
DK90378A
DK90378A DK90378A DK90378A DK90378A DK 90378 A DK90378 A DK 90378A DK 90378 A DK90378 A DK 90378A DK 90378 A DK90378 A DK 90378A DK 90378 A DK90378 A DK 90378A
Authority
DK
Denmark
Prior art keywords
electrodynamic speakers
electrodynamic
speakers
Prior art date
Application number
DK90378A
Other languages
English (en)
Other versions
DK143879C (da
DK143879B (da
Inventor
T H Wiik
Original Assignee
Seas Fabrikker
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
Priority claimed from NO770687A external-priority patent/NO138504C/no
Priority claimed from NO772855A external-priority patent/NO139801C/no
Application filed by Seas Fabrikker filed Critical Seas Fabrikker
Publication of DK90378A publication Critical patent/DK90378A/da
Publication of DK143879B publication Critical patent/DK143879B/da
Application granted granted Critical
Publication of DK143879C publication Critical patent/DK143879C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DK90378A 1977-03-01 1978-02-28 Elektrodynamisk hoejttaler med kortslutningsring DK143879C (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO770687 1977-03-01
NO770687A NO138504C (no) 1977-03-01 1977-03-01 Anordning ved elektrodynamisk hoeyttaler
NO772855 1977-08-16
NO772855A NO139801C (no) 1977-08-16 1977-08-16 Anordning ved elektrodynamisk hoeyttaler

Publications (3)

Publication Number Publication Date
DK90378A true DK90378A (da) 1978-09-02
DK143879B DK143879B (da) 1981-10-19
DK143879C DK143879C (da) 1982-04-05

Family

ID=26647631

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90378A DK143879C (da) 1977-03-01 1978-02-28 Elektrodynamisk hoejttaler med kortslutningsring

Country Status (7)

Country Link
US (1) US4160133A (da)
JP (1) JPS53131026A (da)
DE (1) DE2808578C3 (da)
DK (1) DK143879C (da)
FR (1) FR2382822B1 (da)
GB (1) GB1600689A (da)
SE (1) SE424946B (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221407A (en) * 1962-11-23 1965-12-07 Guerin Sa Pierre Cheese making apparatus
WO1983002875A1 (en) * 1982-02-22 1983-09-01 Jensen, Finn A cheese mould

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3267630D1 (en) * 1981-12-24 1986-01-02 Eckehard Kort Magnetic system with annular air-gap, in particular for woofers
US4598178A (en) * 1983-12-16 1986-07-01 Rollins William L Means for critically damping a dynamic loudspeaker
US4531025A (en) * 1984-03-19 1985-07-23 Intersonics Incorporated Loudspeaker with commutated coil drive
US4897877A (en) * 1987-05-18 1990-01-30 Oxford Speaker Company Sub-woofer driver combination with dual voice coil arrangement
US5062140A (en) * 1988-04-27 1991-10-29 Sony Corporation Induction speaker
WO1990003852A1 (en) * 1988-10-05 1990-04-19 Fiziko-Tekhnichesky Institut Akademii Nauk Belorusskoi Ssr Electrodynamic pulse emitter
DE3940615C1 (en) * 1989-12-08 1991-02-21 Leo Dipl.-Ing. 3300 Braunschweig De Kirchner Double diaphragm moving coil loudspeaker - dynamically dampens resonant frequency by cross-coupling second coils of moving coils in opposite phase
US5373563A (en) * 1990-10-05 1994-12-13 Kukurudza; Vladimir W. Self damping speaker matching device
US5519781A (en) * 1990-10-05 1996-05-21 Kukurudza; Vladimir W. Self damping speaker matching device and method
US5381483A (en) * 1993-04-05 1995-01-10 Commonwealth Of Puerto Rico Minimal inductance electrodynamic transducer
US5615272A (en) * 1995-11-08 1997-03-25 Kukurudza; Vladimir W. Single loud speaker drive system
US5917922A (en) * 1995-11-08 1999-06-29 Kukurudza; Vladimir Walter Method of operating a single loud speaker drive system
DE19637847A1 (de) * 1996-09-17 1998-03-19 Nokia Deutschland Gmbh Elektro - akustische Wandler
US6768806B1 (en) * 1998-03-19 2004-07-27 Harman International Industries, Incorporated Shorting rings in dual-coil dual-gap loudspeaker drivers
US6774510B1 (en) * 2000-10-25 2004-08-10 Harman International Industries, Inc. Electromagnetic motor with flux stabilization ring, saturation tips, and radiator
WO2005027570A1 (en) * 2003-09-16 2005-03-24 Koninklijke Philips Electronics N.V. High efficiency audio transducer
US7492918B2 (en) * 2004-08-17 2009-02-17 Step Technologies Inc. Audio speaker with graduated voice coil windings
JP4385981B2 (ja) * 2005-03-30 2009-12-16 オンキヨー株式会社 動電型スピーカー
US20100246880A1 (en) * 2009-03-30 2010-09-30 Oxford J Craig Method and apparatus for enhanced stimulation of the limbic auditory response
FR2961053B1 (fr) * 2010-06-04 2013-04-12 Focal Jmlab Haut-parleur acoustique
CN102378083A (zh) * 2010-08-12 2012-03-14 郭建文 动态阻尼中、低音扬声器
CN104796828B (zh) * 2015-05-04 2018-05-01 歌尔股份有限公司 一种扬声器模组
EP3448060B1 (en) * 2016-04-19 2023-08-30 Moriyama Meiboku Co., Ltd. Speaker device, and speaker device sound quality improvement method
US11894187B2 (en) 2019-08-22 2024-02-06 Husco Automotive Holdings Llc Systems and methods for multi-stable solenoid

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1767837A (en) * 1930-04-28 1930-06-24 Atwater Kent Mfg Co Loud-speaker
US2269284A (en) * 1937-12-08 1942-01-06 Rca Corp Signal translating apparatus
FR864516A (fr) * 1939-03-28 1941-04-29 Loewe Opta Gmbh Perfectionnements aux systèmes de haut-parleurs
US2489862A (en) * 1943-01-07 1949-11-29 Gen Electric Damping for dynamic loudspeakers
US2556816A (en) * 1946-12-04 1951-06-12 Technicon Cardiograph Corp Polarized electromagnetic operator with damped coil armature
US2769942A (en) * 1954-11-26 1956-11-06 Fauthal A Hassan Voice coil for loud speakers
US3193627A (en) * 1962-05-31 1965-07-06 Hecht William High fidelity loudspeakers
DE1512727A1 (de) * 1967-02-27 1969-05-29 Peter Mueller Elektroakustischer Wandler
DE2134287A1 (de) * 1971-07-09 1973-01-18 Standard Elektrik Lorenz Ag Klangveraenderlicher dynamischer lautsprecher mit doppelschwingspule
SU478457A1 (ru) * 1973-06-25 1975-07-25 Хабаровский Филиал Центрального Научно-Исследовательского Института "Компас" Электроакустический преобразователь
JPS5325419A (en) * 1976-08-20 1978-03-09 Matsushita Electric Ind Co Ltd Speaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221407A (en) * 1962-11-23 1965-12-07 Guerin Sa Pierre Cheese making apparatus
WO1983002875A1 (en) * 1982-02-22 1983-09-01 Jensen, Finn A cheese mould
US4580961A (en) * 1982-02-22 1986-04-08 Mejeriselskabet Danmark A.M.B.A. Cheese mould

Also Published As

Publication number Publication date
DE2808578B2 (de) 1982-12-02
DE2808578A1 (de) 1978-09-07
FR2382822A1 (fr) 1978-09-29
JPS53131026A (en) 1978-11-15
GB1600689A (en) 1981-10-21
DK143879C (da) 1982-04-05
DK143879B (da) 1981-10-19
SE424946B (sv) 1982-08-16
DE2808578C3 (de) 1983-12-29
FR2382822B1 (fr) 1985-08-30
US4160133A (en) 1979-07-03
SE7802264L (sv) 1978-09-02

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