EP1841278A1 - Lautsprecher mit niederfrequenter Schwingung - Google Patents

Lautsprecher mit niederfrequenter Schwingung Download PDF

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Publication number
EP1841278A1
EP1841278A1 EP06006235A EP06006235A EP1841278A1 EP 1841278 A1 EP1841278 A1 EP 1841278A1 EP 06006235 A EP06006235 A EP 06006235A EP 06006235 A EP06006235 A EP 06006235A EP 1841278 A1 EP1841278 A1 EP 1841278A1
Authority
EP
European Patent Office
Prior art keywords
ring
loudspeaker
low
sound
frequency oscillation
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.)
Granted
Application number
EP06006235A
Other languages
English (en)
French (fr)
Other versions
EP1841278B1 (de
Inventor
Jui-Chen Huang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT06006235T priority Critical patent/ATE417479T1/de
Priority to EP06006235A priority patent/EP1841278B1/de
Priority to DE602006004171T priority patent/DE602006004171D1/de
Publication of EP1841278A1 publication Critical patent/EP1841278A1/de
Application granted granted Critical
Publication of EP1841278B1 publication Critical patent/EP1841278B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/07—Suspension between moving magnetic core and housing

Definitions

  • the invention relates to a loudspeaker, and more particularly, to a minitype loudspeaker with low-frequency oscillation.
  • a conventional minitype loudspeaker as disclosed by a Japanese company CITIZEN, in TW 515219 as well as TW 515218 ( US6,690,809 B2 and US6,400,825 B1 ) includes a diaphragm that produces sound by means of vibration.
  • the circumference of the diaphragm is secured to a top housing. The longer the diameter of the diaphragm is, the lower sound is produced. The short the diameter of the diaphragm is, the higher sound is produced.
  • the diameter of the diaphragm of the earphone loudspeaker is dependent on the dimensions of the housing of the earphone. Thus, it is difficult to produce low frequency sound.
  • an earphone loudspeaker disclosed in TW 504099 includes a base 11 with a groove formed at the center thereof.
  • a magnet 12, a front pole piece 13, a sound ring 14, a diaphragm 15, and a protection cover 16 are placed into the groove one after another.
  • a terminal plate 17 is attached to the bottom side of the base 11. Therefore, two wires 141 of the sound ring 14 can be extended to be welded onto the terminal plate 17.
  • a metal ring 18 is pre-adhered to the rim of the diaphragm 15 while the ring rim of the base 11 has an open flat portion. Meanwhile, the diaphragm 15, the metal ring 18 and the protection cover 16 are so extended that they adjust to the dimensions of the base 11. In this way, the diaphragm 15 is flush with the flat portion along the ring rim of the base 11. As a result, the sound range can be extended by expanding the dimensions of the diaphragm 15.
  • the diameter of the diaphragm 15 is still dependent on that of the base 11. Thus, it is difficult to produce low-frequency sound and to provide a better audio effect.
  • the invention focuses on research and innovation to settle the above-mentioned problems.
  • a primary object of the invention to provide a loudspeaker with low-frequency oscillation that has a longer oscillation element under the condition of the same area of the housing for producing a low-frequency resonance effect, creating a low-frequency sound, and therefore enhancing the response effect.
  • Another object of the invention to provide a loudspeaker that produces low-frequency oscillation and exerts a massaging effect on the human ear of the user in addition to generating low-frequency sound.
  • a loudspeaker with low-frequency oscillation comprises:
  • a loudspeaker with low-frequency oscillation in accordance with a first embodiment of the invention includes a housing 21 with a ring portion 211 extending inwardly from the bottom of the housing 21 and a grooved support portion 212 extending inwardly from the top thereof; and a reed element 22 with an external ring 221 and two vibration arms 222 symmetrically extending from the internal side of the external ring 221 to the internal side of the loudspeaker in a bent manner.
  • Each of the vibration arms 222 includes a free end 223 extending to the center of the reed element 22, as shown in FIG. 3.
  • An upper ring 23, a sound element 24, a magnetic ring 25, and a lower ring 26 are disposed one after another under the free end 223 of the reed element 22 within the housing 21.
  • the sound element 24 includes a central through hole.
  • a shaft body 27 includes a pin 271 combining the central holes of the upper ring 23, the sound element 24, the magnetic ring 25, and the lower ring 26 one after another into one body.
  • the shaft body 27 has a top head 272 and a bottom head 273 resting on the top side of the free end 223 of the vibration arms 222 and the bottom side of the lower ring 26, respectively.
  • the reed element 22, the upper ring 23, the sound element 24, the magnetic ring 25, the lower ring 26 and the shaft body 27 can be combined into an oscillatable sound assembly.
  • the sound element 24 is disc-shaped.
  • One of the top head 272 and the bottom head 273 is integrally formed with the shaft body 27 while the other head is secured by its screw portion to a threaded hole of the shaft body 27 or attached to the shaft body 27 by means of a wedge type portion.
  • the bottom head 273 may be integrally formed with the lower ring 26.
  • a coil 28 corresponding to the magnetic ring 25 is fitted to the top of the external ring 221. When the coil 28 is fed with electric current, a magnetic force can be produced to impart an up and down oscillation to the magnetic ring 25 of the oscillatable sound assembly. Meanwhile, the sound element 24 will be synchronically oscillated as well to produce sound.
  • the external ring of the sound element 24 is formed in such a way different from the conventional diaphragm 15 fixed at the internal side of the housing 21 and having no direct contact to the internal side of the housing 21.
  • the vibrating force of the sound element 24 is provided by the vibration arms 222 of the reed element 22. Since the vibration arms 222 are extended inwardly from the external ring 221 in a bend way, it is not necessary to adjust the length of the vibration arms 222 to the diameter of the housing 21. In this way, the length of the vibration arms 222 may exceed the diameter of the housing 21. Under the condition of the same diameter of the housing 21, the vibration arms 222 in accordance with the invention has a greater oscillation range than the conventional diaphragm.
  • the vibration arms 222 in accordance with the invention can respond to the low-frequency resonance, thereby ensuring a desired low-frequency oscillation effect of the whole loudspeaker.
  • the earphone will create oscillation to exert a massaging effect to the ear wearing the earphone.
  • the present invention is not characterized in the relative position between the coil 28 and the magnetic ring 25, but in the special design of the reed element 22.
  • the magnetic ring 25 can be attached to the ring portion 211 of the housing 21 while the coil 28 is secured to the shaft body 27 (not shown). This can also achieve the same effect and won't be described more hereinafter.
  • FIG. 4 illustrates a second embodiment of the loudspeaker with low-frequency oscillation in accordance with the invention.
  • the second embodiment corresponds substantially to the loudspeaker of the first embodiment except that the sound element 29 is formed in a cylindrical shape differently from the platelike sound element 24, and the cylindrical wall of the sound element 29 surrounds the coil 28 and the magnetic ring 25.
  • the bottom head 273 of the shaft body 27 includes a convex portion 274 at the bottom thereof. In this way, the sound field created by the speaker will expand to a wider range.
  • the bottom head 273 includes a concave portion 275 at the bottom thereof. In this way, the sound field created by the speaker can be concentrated at a certain position.
  • FIG. 7 shows a perspective view of a second embodiment of the invention in accordance with FIG. 4.
  • the coil 28 can be firstly secured to the housing 21.
  • the reed element 22, the upper ring 23, the sound element 29, the magnetic ring 25, and the lower ring 26 of the oscillatable sound assembly are mounted on the shaft body 27 to create a composite unit 30 which is then placed into the housing 21.
  • the assembly in accordance with FIG. 4 is formed.
  • the upper portion 213 of the housing 21 can be made of elastic material like silicon while the ring portion 211 of the lower portion of the housing 21 can be made of hard material. Then, the upper and the lower portion of the housing 21 are combined together.
  • a protection cover 31 is disposed on the top surface of the housing 21 (see FIG. 8), thereby creating a minitype earphone 32 that are placed directly outside of the ear canal. After connecting a lead wire 33 to the rear side of the minitype earphone 32, the minitype earphone 32 can be inserted into the ear to listen to music.
  • the minitype earphone 32 has small dimensions due to the unique design of the reed element 22 of the invention. Meanwhile, the low-frequency oscillation effect can be achieved to improve the audio quality when listening to music.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Electromagnetism (AREA)
  • Headphones And Earphones (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP06006235A 2006-03-27 2006-03-27 Lautsprecher mit niederfrequenter Schwingung Not-in-force EP1841278B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT06006235T ATE417479T1 (de) 2006-03-27 2006-03-27 Lautsprecher mit niederfrequenter schwingung
EP06006235A EP1841278B1 (de) 2006-03-27 2006-03-27 Lautsprecher mit niederfrequenter Schwingung
DE602006004171T DE602006004171D1 (de) 2006-03-27 2006-03-27 Lautsprecher mit niederfrequenter Schwingung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06006235A EP1841278B1 (de) 2006-03-27 2006-03-27 Lautsprecher mit niederfrequenter Schwingung

Publications (2)

Publication Number Publication Date
EP1841278A1 true EP1841278A1 (de) 2007-10-03
EP1841278B1 EP1841278B1 (de) 2008-12-10

Family

ID=36694913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06006235A Not-in-force EP1841278B1 (de) 2006-03-27 2006-03-27 Lautsprecher mit niederfrequenter Schwingung

Country Status (3)

Country Link
EP (1) EP1841278B1 (de)
AT (1) ATE417479T1 (de)
DE (1) DE602006004171D1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103634727A (zh) * 2012-08-23 2014-03-12 骷髅糖果公司 音频系统中与振动相关的扬声器、耳机和套件以及形成所述设备的方法
US9712907B2 (en) 2014-12-31 2017-07-18 Skullcandy, Inc. Methods of generating tactile user feedback utilizing headphone devices and related systems
US9860629B2 (en) 2014-12-31 2018-01-02 Skullcandy, Inc. Speaker assemblies for passive generation of vibrations and related headphone devices and methods
EP3509322A1 (de) * 2018-01-08 2019-07-10 Skullcandy, Inc. Treiberanordnungen, kopfhörer mit den treiberanordnungen und zugehörige verfahren
US10484792B2 (en) 2018-02-16 2019-11-19 Skullcandy, Inc. Headphone with noise cancellation of acoustic noise from tactile vibration driver
US10872592B2 (en) 2017-12-15 2020-12-22 Skullcandy, Inc. Noise-canceling headphones including multiple vibration members and related methods

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101990151A (zh) * 2010-12-06 2011-03-23 天津中环真美声学技术有限公司 双折环平板扬声器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720868A (en) * 1984-09-03 1988-01-19 Sanden Corporation Dynamic transducer device
EP0845920A2 (de) * 1996-11-29 1998-06-03 Matsushita Electric Industrial Co., Ltd. Elektromechanischer und akustischer Wandler für einen tragbaren Terminal
US5894263A (en) * 1995-12-15 1999-04-13 Matsushita Electric Industrial Co., Ltd. Vibration generating apparatus
US6377145B1 (en) * 1999-03-03 2002-04-23 Tokin Corporation Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance
US6400825B1 (en) 2000-11-06 2002-06-04 Citizen Electronics Co., Ltd. Microspeaker
TW515219B (en) 2000-11-06 2002-12-21 Citizen Electronics Microspeaker

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720868A (en) * 1984-09-03 1988-01-19 Sanden Corporation Dynamic transducer device
US5894263A (en) * 1995-12-15 1999-04-13 Matsushita Electric Industrial Co., Ltd. Vibration generating apparatus
EP0845920A2 (de) * 1996-11-29 1998-06-03 Matsushita Electric Industrial Co., Ltd. Elektromechanischer und akustischer Wandler für einen tragbaren Terminal
US6377145B1 (en) * 1999-03-03 2002-04-23 Tokin Corporation Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance
US6400825B1 (en) 2000-11-06 2002-06-04 Citizen Electronics Co., Ltd. Microspeaker
TW515219B (en) 2000-11-06 2002-12-21 Citizen Electronics Microspeaker
TW515218B (en) 2000-11-06 2002-12-21 Citizen Electronics Microspeaker
US6690809B2 (en) 2000-11-06 2004-02-10 Citizen Electronics Co., Ltd. Microspeaker

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103634727A (zh) * 2012-08-23 2014-03-12 骷髅糖果公司 音频系统中与振动相关的扬声器、耳机和套件以及形成所述设备的方法
EP2701400A3 (de) * 2012-08-23 2015-10-14 Skullcandy, Inc. Lautsprecher, Kopfhörer und Kits im Zusammenhang mit Vibrationen in einem Audiosystem und Verfahren zur Bildung davon
US9609421B2 (en) 2012-08-23 2017-03-28 Skullcandy, Inc. Apparatus and methods related to a tactile vibrator for a speaker system
US10070213B2 (en) 2014-12-31 2018-09-04 Skullcandy, Inc. Methods of generating tactile user feedback utilizing headphone devices and related systems
US9860629B2 (en) 2014-12-31 2018-01-02 Skullcandy, Inc. Speaker assemblies for passive generation of vibrations and related headphone devices and methods
US9942650B2 (en) 2014-12-31 2018-04-10 Skullcandy, Inc. Speaker assemblies for passive generation of vibrations and related headphone devices and methods
US9712907B2 (en) 2014-12-31 2017-07-18 Skullcandy, Inc. Methods of generating tactile user feedback utilizing headphone devices and related systems
US10872592B2 (en) 2017-12-15 2020-12-22 Skullcandy, Inc. Noise-canceling headphones including multiple vibration members and related methods
US11335313B2 (en) 2017-12-15 2022-05-17 Skullcandy, Inc. Noise-canceling headphones including multiple vibration members and related methods
US11688382B2 (en) 2017-12-15 2023-06-27 Skullcandy, Inc. Noise-canceling audio device including multiple vibration members
EP3509322A1 (de) * 2018-01-08 2019-07-10 Skullcandy, Inc. Treiberanordnungen, kopfhörer mit den treiberanordnungen und zugehörige verfahren
US10462560B2 (en) 2018-01-08 2019-10-29 Skullcandy, Inc. Driver assemblies, headphones including driver assemblies, and related methods
US10484792B2 (en) 2018-02-16 2019-11-19 Skullcandy, Inc. Headphone with noise cancellation of acoustic noise from tactile vibration driver
US11172302B2 (en) 2018-02-16 2021-11-09 Skullcandy, Inc. Methods of using headphones with noise cancellation of acoustic noise from tactile vibration driver

Also Published As

Publication number Publication date
EP1841278B1 (de) 2008-12-10
DE602006004171D1 (de) 2009-01-22
ATE417479T1 (de) 2008-12-15

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