WO2003034779A1 - Ecouteur pour appareil electronique portatif - Google Patents

Ecouteur pour appareil electronique portatif Download PDF

Info

Publication number
WO2003034779A1
WO2003034779A1 PCT/JP2002/010551 JP0210551W WO03034779A1 WO 2003034779 A1 WO2003034779 A1 WO 2003034779A1 JP 0210551 W JP0210551 W JP 0210551W WO 03034779 A1 WO03034779 A1 WO 03034779A1
Authority
WO
WIPO (PCT)
Prior art keywords
earphone
portable electronic
electronic device
earphone cable
mobile phone
Prior art date
Application number
PCT/JP2002/010551
Other languages
English (en)
Japanese (ja)
Inventor
Kumiko Kitahara
Emiko Matsuda
Original Assignee
Prosper Industry, Inc.
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 Prosper Industry, Inc. filed Critical Prosper Industry, Inc.
Publication of WO2003034779A1 publication Critical patent/WO2003034779A1/fr

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/15—Protecting or guiding telephone cords
    • 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
    • H04R1/1058—Manufacture or assembly
    • H04R1/1075—Mountings of transducers in earphones or headphones
    • 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

Definitions

  • the present invention particularly relates to an earphone for a portable electronic device suitable for use in a portable telephone or the like in which an adverse effect of electromagnetic waves on a human body is eliminated.
  • earphones will be an essential accessory for mobile phones, considering that the number of videophone-type mobile phones that talk while watching the display will increase in the future.
  • earphones are also viewed as a source of electromagnetic radiation.
  • electromagnetic waves are basically generated by the flow of current, but ordinary earphones have built-in speakers that convert electrical signals into mechanical vibrations (sounds), and can be used outdoors or in other noisy environments. It is said that there is a tendency to increase the volume from use, and since it is used at the position closest to the brain, the electromagnetic waves generated from the earphones cannot be ignored.
  • the present invention has been made in response to such a background, and has been disclosed in the art.
  • the objective is to eliminate any adverse effects of magnetic waves, and to provide earphones for portable electronic devices that are low in cost and versatile. Disclosure of the invention
  • An earphone for a portable electronic device includes: a hollow tube-shaped earphone cable portion having one end opposed to a speed force provided in the portable electronic device; an earphone cable portion provided at the other end of the earphone cable portion; And an ear-attaching portion communicating with the earphone cable portion and the ear-attaching portion.
  • the earphone cable section may be provided with a detachable section that is detachable from the portable electronic device.
  • the earphone cable portion is formed into an accessory portion by being wound in a coil shape, and can be used not only as an accessory of the portable electronic device but also as a strap of the portable electronic device.
  • the sound generated by the speaker propagates through the space in the duct formed by the earphone cable portion using the hollow tube and the ear mounting portion having an open port communicating with the inside of the earphone cable portion. Can hear the sound of the speaker directly from the opening.
  • the speaker may be an earphone speaker electrically connected to the mobile phone via a connection terminal.
  • the earphone cable section may include a detachable section having a sound collection structure detachably fitted to the earphone speed.
  • the earphone cable unit when not in use, c the fixed rod de which can be installed is wound spirally on the outer peripheral side of the fixed orifice head provided in the detachable unit, the earphone cable to the outer peripheral side
  • the part can be fitted and fixed to the ear mounting part in a state of being spirally wound.
  • the fitting and fixing may be performed by forming a concave groove provided on one of the ear mounting portion and the fixed mouth pad, and a projection formed on the other of the ear mounting portion and the fixed mouth pad.
  • the earphone cable section may be made of a shape memory synthetic resin whose shape is stored in a spiral or coil shape.
  • FIG. 1 is a cross-sectional view showing a state in which an earphone for a mobile phone (mobile electronic device) according to a first embodiment of the present invention is mounted on the mobile phone.
  • FIG. 2 is an external front view of a mobile phone equipped with the mobile phone earphone.
  • FIG. 3 is an external side view of a mobile phone provided with the earphone for the mobile phone.
  • FIG. 4 is a cross-sectional view showing a state where the earphone for the mobile phone is detached from the mobile phone.
  • FIG. 5 is a partial cross-sectional configuration diagram showing a state in which an earphone for a mobile phone (portable electronic device) according to a modified embodiment of the present invention is mounted on the mobile phone.
  • FIG. 6 is an external perspective view of a state in which an earphone for a mobile phone (portable electronic device) according to another embodiment of the present invention is applied to a mobile phone.
  • FIG. 7 is a cross-sectional view of FIG.
  • FIG. 8 is an enlarged explanatory view of a main part of FIG.
  • FIG. 9 is an explanatory view of the usage state of the mobile phone (portable electronic device) earphone shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
  • the earphone for the mobile phone (portable electronic device) according to the first embodiment
  • the configuration 1 will be described with reference to FIGS. 1 to 4.
  • P indicates a mobile phone (portable electronic device).
  • This mobile phone P is a general mobile phone having a display Pd, a keyboard Pk, an antenna Pa, a microphone (transmitter) Pm, a ring lamp Pe, and the like.
  • the mobile phone is a concept including not only a general mobile phone illustrated but also various mobile devices having a telephone function, such as a PHS and a mobile computer with a phone.
  • a receiver Ps is provided above the mobile phone P.
  • the receiver Ps has a built-in speaker S as shown in FIG. 1, and has a sound output hole H in front of the speaker S, which is opened in the front part Ff of the mobile phone P.
  • an earphone attaching / detaching hole 21 is provided which is orthogonal to the sound output hole H from the upper surface Fu of the mobile phone P and penetrates the sound output hole H.
  • a mobile phone earphone 1 according to the present embodiment described below can be attached / detached.
  • the earphone 1 for a mobile phone includes an earphone cable portion 2 having one end 2 a facing a speaker S provided in the mobile phone device P, and an ear mounting portion provided at the other end 2 b of the earphone cable portion 2.
  • ⁇ Earphone cable section 2 uses a flexible hollow tube T that does not collapse in the radial direction.
  • a hollow tube T for example, a relatively hard plastic having elasticity with an outer diameter of about 2 [mm] and an inner diameter of about 1 [mm] can be used.
  • the accessory part C is wound by winding it into a circular coil shape. Can be formed.
  • Such an accessory part C By forming such an accessory part C, it can be freely extended as shown by a phantom line when used, and when not used, as shown by a solid line, when it is not used. It can be returned to its original shape.
  • the attachment / detachment portion 11 is a cylindrical body having one end to which the end of the earphone cable portion 2 is fixed, and can be attached to the earphone attachment / detachment hole 21 by, for example, press fitting.
  • an opening 22 facing the speaker S is provided on the peripheral surface of the attaching / detaching portion 11 when the earphone attaching / detaching hole 21 is attached.
  • the attachment / detachment unit 11 blocks the connection between the speaker S and the sound output hole H, and the sound output hole H
  • the sound generated from the speaker S is transmitted to the internal space of the earphone cable 2 through the opening 22.
  • an ear mounting part 3 is fixed to the other end 2 b of the earphone cable part 2.
  • the ear mounting section 3 is a simple hollow body formed in a size and shape that can be mounted in the user's ear hole, and has a connection port to which the other end 2 b of the earphone cable section 2 is fixed on the rear face and a front face. Has an opening 3 o.
  • the opening 3 o may be left as it is, or a protective cover 23 such as a net or a perforated plate may be provided as in the embodiment.
  • the duct R that transmits the sound of the speed force S is formed by the earphone cable 2 and the ear mounting part 3, and the opening 22 of the attachment / detachment part 11 through the opening 3 o of the ear mounting part 3 until then c communicates with the space, the use and Function of the mobile phone earphone 1 according to the present embodiment will be described with reference to the drawings.
  • the attaching / detaching portion 11 of the earphone 1 for mobile phone is detached from the earphone attaching / detaching hole 21 and, for example, a rubber cap 25 is used. Closes the earphone attachment / detachment hole 21.
  • the space in front of the speaker S communicates only with the sound output hole H, and can be used without an earphone by bringing the sound output hole H closer to the user's ear.
  • the space between the speaker S and the sound output hole H is blocked by the attachment / detachment portion 11 to prevent leakage from the sound output hole H in the past, and the space in front of the speaker S is formed by the opening of the attachment / detachment portion 11 Connects to the inside of the earphone cable 2 through 2 2.
  • the space in front of the speaker S communicates with the opening 3 o of the ear mounting portion 3 via the duct R formed by the earphone cable portion 2 and the ear mounting portion 3.
  • the ear mounting part 3 is mounted (inserted) into the user's ear hole. At this time, since the earphone cable section 2 has flexibility, the earphone cable section 2 is freely extended as shown by phantom lines in FIGS. 2 and 3.
  • the sound generated from the speaker S propagates through the internal space of the duct R formed by the earphone cable 2 and the ear-mounted part 3, and the user generates the sound generated by the speaker S. You can listen directly.
  • the earphone cable part 2 returns to the original shape of the accessory part C due to its own elasticity, as shown by the solid line in FIGS. 2 and 3. .
  • FIG. 5 shows a modified embodiment of the above embodiment.
  • the accessory section C is formed by winding the earphone cable section 2 in a coil shape, but the modified embodiment shown in FIG. 2 is used for strap E.
  • an accommodating section 30 capable of accommodating the ear mounting section 3 is provided on a part of the back surface of the mobile phone P, and a lid section 32 for opening and closing the accommodating section 30 by the hinge section 31 is additionally provided.
  • the earphone cable section 2 can be used (also used) as a strap E as shown in FIG.
  • a lock portion in the earphone attachment / detachment hole 21 it is necessary to provide a lock portion in the earphone attachment / detachment hole 21 to prevent the earphone attachment / detachment portion 11 from easily coming off when attached.
  • one end of the earphone cable section 2 may be fixed to the earphone attaching / detaching hole 21.
  • the earphone 1 for a mobile phone since no electric signal is used as in a general earphone, no electromagnetic waves are generated from the earphone cable unit 2 and the ear mounting unit 3.
  • the earphone cable section 2 is selected to have a practical length of 50 to 100 cm, the clarity and volume of the received sound are sufficient, and Above, no problem occurred.
  • the microphone Pm of the mobile phone P recently has high performance, so that even if a voice is emitted from a considerably distant position, a conversation can be practically performed without any problem.
  • FIGS. 6 to 8 show a second embodiment of the earphone for a portable electronic device according to the present invention, and the same or corresponding parts as those in the first embodiment are denoted by the same reference numerals and are described. Is omitted, and only the characteristic points will be described below.
  • the embodiment shown in these figures is a case where the present invention is applied to a mobile phone as in the first embodiment described above.
  • an earphone is connected to the connection connector of the mobile phone P.
  • the speed YS is electrically connected via a connection terminal YT, and the earphone 100 for the mobile phone of the present embodiment is used as the earphone speaker YS.
  • the mobile phone earphone 100 of the present embodiment has one end facing the earphone speed YS and the other end provided with an ear mounting portion 300.
  • the earphone cable section 200 is provided.
  • the earphone cable section 200 is made of a flexible hollow tube T that does not collapse in the radial direction.
  • the earphone cable section has a circular cross section having an outer diameter of 2 mm and an inner diameter of 1 mm, and is relatively hard and elastic. It can be molded with synthetic resin.
  • the earphone cable unit 200 is spirally wound when not in use. Also, a detachable portion 110 that is detachably attached to the earphone speaker YS is provided at a portion of the earphone cable portion 200 facing the earphone speaker YS.
  • One end of the detachable portion 110 is open and the inside is formed in a hemispherical cavity, and one end of the horn cable portion 200 is inserted into a hole 110 a formed through the side surface.
  • the inside of the earphone cable part 200 and the inside of the detachable part 110 are connected to each other.
  • the attachment / detachment portion 110 is made of, for example, a relatively flexible synthetic resin, and its opening is fitted so as to be in close contact with the outer peripheral edge of the hemispherical earphone speaker YS.
  • the attaching / detaching portion 110 of this embodiment has a sound collecting structure in which no sound leaks to the outside, no noise enters from the outside, and the sound is cut off from the outside.
  • the detachable portion 110 when the detachable portion 110 is fitted to the earphone speaker YS, a cavity and a wall surrounding the outer periphery are formed, and this wall reduces the mechanical sound generated from the speaker YS and simultaneously efficiently transmits sound waves to the earphone. Transmit to the cable section 200.
  • the shape of the attaching / detaching portion 110 is not limited to such a hemispherical shape.
  • the attaching / detaching portion 110 may be formed in a spherical shape so as to substantially cover the outer periphery of the earphone speaker YS.
  • the detachable portion 110 may be formed integrally with the earphone speed Y S.
  • a fixed rod 400 of the earphone cable unit 200 is physically protruded from the center of the outer peripheral surface of the detachable unit 110.
  • the fixed rod 400 has a smooth surface and is flexible, and the earphone cable 200 spirally wound on the outer peripheral side is fixedly installed in a contracted state. Is placed.
  • the ear mounting part 300 has a cylindrical part 300 a, an ear inserting part 300 b, a partition wall 300 c, and a protruding part 3. 0 0 d.
  • the cylindrical portion 300a is formed in a cylindrical shape with both ends opened, and a partition wall 300c is provided slightly below the middle in the longitudinal direction, and is partitioned by the partition wall 300c.
  • the upper side is an open opening 3 o 1 that is hollow and open to the front.
  • the opening 3 o l may be hollow or a diaphragm may be installed inside.
  • a protective cover such as a net or a perforated plate may be provided.
  • a hole portion 300e penetrating therethrough is provided on the side surface of the upper cylindrical portion 300a partitioned by the partition wall 300c, and the earphone cable portion is provided in the hole portion 300e.
  • the c- ear insertion portion 300b in which the inside of the earphone cable portion 200 and the inside of the ear mounting portion 300 communicate with each other becomes a cylindrical portion 300b.
  • aIt is integrally formed on the upper end side, and has a thin section with a semicircular cross section so that it can be inserted softly into the ear.
  • the inner diameter of the cylindrical portion 300a is formed such that the outer diameter at the distal end side of the fixed mouth pad 400 can be inserted and fitted.
  • the protruding portion 300d is provided on the lower side of the cylindrical portion 300a partitioned by the partition wall 300c and protrudes from the inner peripheral surface of the cylindrical portion 300a.
  • the protrusion 300d is formed so as to be fittable in the concave groove 400a of the fixed rod 400, and these concave and convex fits are formed on the outer periphery of the fixed rod 400. This is performed by inserting the distal end side of the fixed mouth pad 400 into the cylindrical portion 300a in a state where the earphone cable portion 200 is spirally wound and arranged.
  • the earphone cable is attached to the outer periphery of the fixed rod 400.
  • the part 200 can be stably held in a state of being contracted into a spiral or coil shape.
  • the concave and convex fitting between the concave groove 400a and the projection 300d may be performed by providing the concave groove on the ear mounting part 300 side and the projection on the fixed pad 400 side.
  • the sound generated from the earphone speaker YS is provided by the attaching / detaching section 110, the earphone cable section 200, and the ear mounting section 300.
  • a duct R to be propagated is formed, and the sound wave propagates in the air from the attaching / detaching portion 110 to the open mouth 3 ⁇ 1 of the ear mounting portion 300.
  • the earphone cable section 200 is normally connected to the fixed mouth pad 400 provided on the detachable section 110 when not in use.
  • the ear mounting portion 300 is removed from the fixed rod 400, and the ear mounting portion 300 is removed as shown in FIG. Insert (insert) 0 into the ear hole of the user.
  • the earphone cable portion 200 has flexibility, as shown in the figure, the earphone cable portion 200 is freely extended by deforming the spiral shape.
  • the sound generated by the earphone speaker YS is transmitted through the inner space of the duct R formed by the attaching / detaching portion 110, the earphone cable portion 200, and the ear mounting portion 300.
  • the sound propagates in the air, and the user can directly hear the sound generated by the speaker YS.
  • the earphone cable part 200 returns to the original spiral shape due to its own characteristics.
  • the earphone cable 200 is made of a synthetic resin, so that it returns to a helical shape only by its elasticity.
  • the earphone cable 200 is required. Is desirably made of a shape memory synthetic resin.
  • the earphone cable portion 200 returns to the original spiral shape and is wound around the outer periphery of the fixed rod 400, the distal end side of the fixed rod 400 is connected to the ear mounting portion 300.
  • the earphone cable part 200 force S, the solid rod in the contracted state It is held on the outer periphery of 400.
  • the earphone speed YS that can be connected to the mobile phone P, it is possible to effectively eliminate the adverse effects of electromagnetic waves without changing the structure of the existing device.
  • the mobile phone is shown as the mobile electronic device.
  • the present invention can be applied to any mobile electronic device using an earphone such as a mobile radio and a mobile TV.
  • the embodiment has exemplified the detachable type in which the detachable portion 11 and the earphone detachable hole 21 are detachable, a fixed type that cannot be detached may be used, or the earphone cable may be connected to the sound output hole H of the existing mobile phone.
  • One end 2a of 2 may be fixed with an adhesive or a band.
  • the earphone cable 2 may use a bellows-type hollow tube that can be freely bent, or if necessary, the inside of the mobile phone P or May be provided with an external storage section that can store the entire earphone 1 for mobile phones.
  • the earphone for a portable electronic device does not use an electric signal like a general earphone, no electromagnetic wave is generated from the earphone cable portion and the ear attachment portion, and any adverse effect of the electromagnetic wave on the human body is eliminated. Can be performed effectively.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Telephone Set Structure (AREA)
  • Headphones And Earphones (AREA)

Abstract

L'invention concerne un écouteur pour appareil électronique portatif. Cet écouteur comprend une partie câble d'écouteur mettant en oeuvre un tuyau creux souple ne pouvant être écrasé en direction radiale et possédant une extrémité qui fait face à l'utilisateur de l'appareil électronique portatif, ainsi qu'une partie de fixation à l'oreille située à l'autre extrémité de la partie câble d'écouteur et possédant une ouverture communiquant avec l'intérieur de la partie câble d'écouteur. Un conduit destiné à transmettre un son produit par l'utilisateur est formé par la partie câble d'écouteur et la partie de fixation à l'oreille.
PCT/JP2002/010551 2001-10-10 2002-10-10 Ecouteur pour appareil electronique portatif WO2003034779A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001312345A JP2005184037A (ja) 2001-10-10 2001-10-10 携帯電子機器用イヤホン
JP2001-312345 2001-10-10

Publications (1)

Publication Number Publication Date
WO2003034779A1 true WO2003034779A1 (fr) 2003-04-24

Family

ID=19131021

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/010551 WO2003034779A1 (fr) 2001-10-10 2002-10-10 Ecouteur pour appareil electronique portatif

Country Status (2)

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JP (1) JP2005184037A (fr)
WO (1) WO2003034779A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5000918B2 (ja) * 2006-04-07 2012-08-15 京楽産業．株式会社 遊技機
JP2009148363A (ja) * 2007-12-19 2009-07-09 Sammy Corp 遊技機
KR200468777Y1 (ko) * 2012-03-21 2013-09-06 이호식 전자파 없는 통화 수신 이어폰
DE102014015769B4 (de) 2014-10-27 2018-02-08 Dräger Safety AG & Co. KGaA Gebläsefiltersystem

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4816973Y1 (fr) * 1968-12-24 1973-05-15
JPS5375129U (fr) * 1976-11-26 1978-06-22
JPS5514315U (fr) * 1978-07-05 1980-01-29
JPH09162769A (ja) * 1995-12-12 1997-06-20 Nec Corp 携帯無線電話機
JP3070545U (ja) * 2000-01-27 2000-08-04 功一 千木野 携帯電話用イヤホ―ン
JP3075767U (ja) * 2000-08-21 2001-03-06 光森 魏 携帯電話用イヤホーン

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4816973Y1 (fr) * 1968-12-24 1973-05-15
JPS5375129U (fr) * 1976-11-26 1978-06-22
JPS5514315U (fr) * 1978-07-05 1980-01-29
JPH09162769A (ja) * 1995-12-12 1997-06-20 Nec Corp 携帯無線電話機
JP3070545U (ja) * 2000-01-27 2000-08-04 功一 千木野 携帯電話用イヤホ―ン
JP3075767U (ja) * 2000-08-21 2001-03-06 光森 魏 携帯電話用イヤホーン

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