WO2022145149A1 - スピーカ装置及びフード型スピーカ装置 - Google Patents
スピーカ装置及びフード型スピーカ装置 Download PDFInfo
- Publication number
- WO2022145149A1 WO2022145149A1 PCT/JP2021/042817 JP2021042817W WO2022145149A1 WO 2022145149 A1 WO2022145149 A1 WO 2022145149A1 JP 2021042817 W JP2021042817 W JP 2021042817W WO 2022145149 A1 WO2022145149 A1 WO 2022145149A1
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- WIPO (PCT)
- Prior art keywords
- speaker
- frame
- speaker device
- support portion
- axis
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
- H04R5/0335—Earpiece support, e.g. headbands or neckrests
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
- H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
Definitions
- the present invention relates to a speaker device and a hood type speaker device.
- Patent Document 1 includes a speaker and a mounting portion for mounting the speaker at a position separated from the user's ear hole by a predetermined distance, and when the speaker is mounted on the user, the speaker is directed toward the user's ear hole.
- An ear speaker in which a speaker is movably attached to a mounting portion is disclosed. Since this ear speaker can prevent headphone deafness and does not block the user's ear, the user can safely enjoy audio reproduction while listening to the surrounding sound.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2012-49606
- the speaker is supported by sandwiching the temporal region in order to mount the speaker at a predetermined distance. Therefore, it is difficult to stably support the speaker depending on the weight and shape of the speaker.
- the speaker device of the present invention includes a frame, a left speaker and a right speaker that are connected to the frame and can be held at predetermined intervals from each other, and a mounting portion that is connected to the left and right positions of the frame and can be suspended by the head. , It is characterized by having.
- the hood type speaker device of the present invention is characterized by including the above-mentioned speaker device and a hood containing the speaker device.
- FIG. 1 is a front view showing a state in which a user wears a hood type speaker device according to an embodiment of the present invention.
- FIG. 2 is a side view showing a state in which the user wears the hood type speaker device according to the embodiment of the present invention.
- FIG. 3 is a perspective view of the speaker device according to the embodiment of the present invention as viewed from the rear side.
- FIG. 4A is an exploded perspective view of the right arm portion of the speaker device according to the embodiment of the present invention as viewed from the upper front side.
- FIG. 4B is an enlarged view of part A shown in FIG. 4A.
- FIG. 5A is an exploded perspective view of the right arm portion of the speaker device according to the embodiment of the present invention as viewed from the lower back side.
- FIG. 5A is an exploded perspective view of the right arm portion of the speaker device according to the embodiment of the present invention as viewed from the lower back side.
- FIG. 5B is an enlarged view of a portion B shown in FIG. 5A.
- FIG. 6 is a cross-sectional view of the speaker device according to the embodiment of the present invention cut along the VI-VI cross section shown in FIG.
- FIG. 7 is a cross-sectional perspective view of the speaker device according to the embodiment of the present invention cut along the VII-VII cross section shown in FIG.
- FIG. 8 is a cross-sectional perspective view of the support portion of the speaker device according to the embodiment of the present invention cut along the VIII-VIII cross section shown in FIG.
- FIG. 9A is a cross-sectional view of the periphery of the main body of the speaker device according to the embodiment of the present invention cut along the IX-IX cross section shown in FIG.
- FIG. 9B is a cross-sectional view of the periphery of the main body of the speaker device according to the embodiment of the present invention cut along the IX-IX cross section shown in FIG. 3, showing a state in which the left arm and the right arm of the speaker device are closed.
- FIG. 10 is a perspective view showing a state in which the left arm portion and the right arm portion of the speaker device according to the embodiment of the present invention are closed.
- FIG. 11 is a front view showing a state in which the hood of the hood type speaker device according to the embodiment of the present invention is lowered.
- FIG. 12 is a diagram showing a hood type speaker device according to a modification 1 of the embodiment of the present invention.
- FIG. 13 is a diagram showing a hood type speaker device according to a modification 2 of the embodiment of the present invention.
- the hood type speaker device 1 shown in FIGS. 1 and 2 includes a speaker device 2 built in the hood 3, and can be used by being attached to the head H1 so as to cover the hood 3.
- the hood 3 of the present embodiment has a three-layered fabric having an outer material 31, a middle lining 32, and a lining 33. Note that FIGS. 1 and 2 schematically show the positions of the outer material 31, the inner lining 32, and the lining 33 of the hood 3.
- the hood 3 may be integrally or detachably provided on clothing such as outerwear, or may be configured as a single unit.
- the speaker device 2 is arranged between the inner lining 32 and the lining 33 (see also FIG. 2).
- the speaker device 2 is mainly fixed to the inner lining 32.
- the entire lining 33 or the peripheral portion where the speaker 6 is arranged is configured so that sound can be easily transmitted, for example, by forming a mesh or providing an opening.
- a sound absorbing material can be arbitrarily arranged between the outer material 31 and the inner lining 32 to reduce sound leakage to the outside of the hood 3.
- the hood type speaker device 1 can be attached so that the left speaker 6a and the right speaker 6b are separated from the left and right ear portions H2. Therefore, the user can listen to the sound emitted from the left speaker 6a and the right speaker 6b under stable acoustic characteristics without feeling the pressure of the selvage H2.
- the front side as seen from the user of FIG. 1 wearing the hood type speaker device 1 is the front side, and the opposite side is the back side.
- the upper side as seen from the user is the upper side, and the opposite side is the lower side.
- the left side as seen from the user in FIG. 1 is the left side, and the opposite side is the right side.
- FIG. 3 is a perspective view seen from the back side of the speaker device 2.
- the speaker device 2 is formed in a U shape as a whole.
- the speaker device 2 is attached to a long rectangular thick plate-shaped main body 4, left and right frames 5 (left frame 5a and right frame 5b) rotatably connected to the main body 4, and left and right frames 5.
- the left and right speakers 6 (left speaker 6a and right speaker 6b) rotatably connected to the left and right speakers 6 and the left and right support portions 7 (left support portion 7a and right) rotatably connected to the left and right frames 5. It is provided with a support portion 7b).
- the frame 5 has a left frame 5a connected to the left speaker 6a and the left support portion 7a, and a right frame 5b connected to the right speaker 6b and the right support portion 7b.
- the left frame 5a and the right frame 5b are configured to be openable and closable via the hinge portion 41 (see also FIGS. 9A, 9B and 10).
- the speaker 6 and the support portion 7 rotate around two axes (a roll axis (first axis P1, third axis P3) and a yaw axis (second axis P2, fourth axis P4) described later) with respect to the frame 5. Can be connected freely.
- the left frame 5a and the left support portion 7a of the left arm portion 21 are symmetrically configured with respect to the right frame 5b and the right support portion 7b of the right arm portion 22, respectively, and have the same function.
- the left speaker 6a is configured to have a substantially symmetrical outer shape with respect to the right speaker 6b
- the configuration of the push button SW and the presence / absence of the jack J which will be described later, may be different.
- the configurations of the left arm portion 21 the same configurations as those of the right arm portion 22 side are designated by the same reference numerals, and the description thereof will be omitted or simplified.
- the main body 4 is provided with a battery, a control circuit, etc. inside.
- Axial core members 41a having axes arranged in the vertical direction are provided on both the left and right sides of the main body 4.
- the frame 5 is rotatably connected to the main body 4 around the shaft core member 41a by inserting the shaft core member 41a into the shaft hole of the bearing portion 51 (see also FIG. 9A).
- the main body portion 4 has a cylindrical rod-shaped engaged portion 41b arranged in the vertical direction inside the main body portion 4 (inside the speaker device 2) with respect to the shaft core member 41a (see FIGS. 4A and 9A).
- the frame 5 has a cylindrical rod-shaped engaged portion 51a arranged in the vertical direction on the outer side of the shaft core member 41a (see FIGS. 5A and 9A).
- the bearing portion 51 of the frame 5 has a columnar outer diameter, and a groove portion 511 extending in the circumferential direction is provided on the outer surface on the front side.
- a leaf spring-shaped elastic member 42 curved in a U shape is attached to the hinge portion 41 and the bearing portion 51 (see FIGS. 4A and 9A). At both ends of the elastic member 42, engaging portions 421 that are further curved in the directions facing each other are provided.
- the elastic member 42 is attached in a pulled state by engaging each engaging portion 421 with the engaged portion 41b and the engaged portion 51a.
- the central side of the elastic member 42 is arranged in the groove portion 511 (see FIG. 9A) to avoid interference with the bearing portion 51.
- the left frame 5a and the right frame 5b are formed in a long shape so as to spread from the main body 4 toward the front outer diagonally upper side in the open state (see also FIGS. 1 and 2).
- the frame 5 has an opening in the front-rear direction along the longitudinal direction.
- a flat sliding contact surface 52 is provided at an end portion of the frame 5 opposite to the main body portion 4.
- the sliding contact surface 52 is provided with an opening 521 that opens substantially in the front-rear direction in FIG. 4A, and a square columnar regulating protrusion 522 that protrudes in the normal direction from the sliding contact surface 52 below the opening 521.
- the support portion 7 is rotatable within a predetermined angle range with respect to the base side rotating member 71 rotatably connected to the frame 5 within a predetermined angle range and the base side rotating member 71. It has a front end side member 72 to be connected, and is formed in an L shape from the rear to the upper side of the speaker 6 (left speaker 6a and right speaker 6b).
- the base side rotating member 71 has a supported portion 711 including an opening 711a supported by the screw member 53 on the center side.
- the supported portion 711 has flat sliding contact surfaces 711b, 711c (see also FIG. 5A) with the axis of the opening 711a directed in the front-rear direction.
- the supported portion 711 has a square columnar regulated portion 712 extending in one direction orthogonal to the axis of the opening 711a. Further, the supported portion 711 has a columnar extending portion 713 extending in the other one direction orthogonal to the axis of the opening 711a and extending on the side opposite to the regulated portion 712. The extending portion 713 and the regulated portion 712 are arranged on opposite sides of the supported portion 711 in a direction substantially parallel to each other.
- the supported portion 711 side of the extended portion 713 is cut out so that the cross section perpendicular to the length direction is L-shaped, and the base side rotating member 61 of the speaker 6 is restricted to a predetermined rotation range.
- a regulation unit 714 is provided.
- the contact surface 714a inside the restricting portion 714 and the sliding contact surface 711b are arranged at a substantially right angle. Further, the contact surface 714a is arranged toward the inside of the speaker device 2 in the state of FIG. 4A in which the regulated portion 712 is arranged below and the extension portion 713 is arranged above, and the contact surface 714a is arranged from the opening 711a. Is also arranged on the outside (on the right side in the case of the right support portion 7b).
- a columnar shaft portion 715 having a diameter smaller than the outer shape of the extension portion 713 and substantially coaxial with the extension portion 713 projects from the tip portion of the extension portion 713.
- a female screw portion 715a is formed at substantially the center on the tip end side of the shaft portion 715.
- the extending portion 713 has a C-shaped flat surface outer peripheral portion 715b and a rotation restricting portion 715c protruding from the outer peripheral portion 715b in the shaft portion 715 direction around the shaft portion 715.
- the outer peripheral portion 715b is provided in an angle range of 270 degrees around the shaft portion 715
- the rotation restricting portion 715c is provided in an angle range of 90 degrees.
- the height of the rotation restricting portion 715c is formed to be lower than that of the shaft portion 715.
- the tip side member 72 is provided in a columnar shape in which the connection side with the base side rotating member 71 is curved in a substantially 90-degree arc shape.
- a circular recess 721 is provided inside the one end side of the tip side member 72.
- a screw hole 721a through which a screw member (not shown) can be inserted is opened in the recess 721.
- the tip side member 72 includes an outer peripheral portion 721b which is a semicircular flat surface and a rotation regulated portion 721c which protrudes from the outer peripheral portion 721b in the axial direction of the screw hole 721a around the outer peripheral edge of the concave portion 721.
- the outer peripheral portion 721b and the rotation regulated portion 721c are each provided in an angle range of 180 degrees around the axis of the screw hole 721a. Since the tip side member 72 is curved, the screw hole 721a penetrates the convex side curved side surface of the tip side member 72. On the opposite side of the screw hole 721a from the recess 721, a recess 722 in which the head of the screw member can be arranged is provided (see also FIG. 7). Therefore, the tip side member 72 and the base side rotating member 71 are fastened to the female screw portion 715a via the screw hole 721a by fastening the screw member inserted from the recess 722 side to the female screw portion 715a within a predetermined angle range. It is rotatably connected.
- the tip side member 72 has an opening 723 to which the suspension member 8 (see FIG. 1 and the like) is connected on the side opposite to the rotation regulated portion 721c side.
- the opening 723 penetrates in the left-right direction of FIG. 4A and is formed to be elongated in the axial direction of the tip-side member 72.
- the mounting portions 70 connected to the left and right positions of the frame 5 by the left support portion 7a, the right support portion 7b, and the suspension support member 8 are configured to be suspended and supported with respect to the head H1. Therefore, the speaker device 2 (or the hood type speaker device 1 including the hood 3) can be easily mounted on the head H1 by the mounting portion 70.
- the suspension support member 8 includes a suspension cord 81 which is a string-like body, a lower adjuster 82, and an upper adjuster 83.
- a hanging cord 81 is inserted through the opening 723.
- Above the left speaker 6a one end side of the hanging cord 81 and the left support portion 7a are connected. Further, above the right speaker 6b, the other end side of the hanging cord 81 and the right support portion 7b are connected. Therefore, the suspension cord 81 is arranged between the left support portion 7a and the right support portion 7b.
- the lower adjuster 82 can be fixed to the hanging cord 81 at an arbitrary position while inserting the hanging cord 81. Further, the lower adjuster 82 is formed larger than the opening 723.
- the hanging cord 81 located between the left support portion 7a and the right support portion 7b is pulled (in the example of FIG. 1, the speaker device 2 is suspended from the head H1 by the hanging cord 81).
- the lower adjuster 82 abuts on the opening edge of the opening 723, and the withdrawal amount of the hanging cord 81 between the left support portion 7a and the right support portion 7b is restricted. Therefore, the hanging cord 81 can adjust the length between the left support portion 7a and the right support portion 7b by the fixed position of the lower adjuster 82, whereby the height (up and down) of the speaker device 2 with respect to the head H1. The position) can be easily set.
- the suspension cord 81 between the left support portion 7a and the right support portion 7b is divided into two.
- the hanging cord 81 on the front side is suspended in front of the head H1
- the hanging cord 81 on the rear side is suspended behind the head H1 so that the speaker device 2 does not slip off. Supported (see also Figure 2).
- the length of the hanging cord 81 to be divided into two can be adjusted by the upper adjuster 83.
- the speaker 6 has a base side rotating member 61 and a speaker main body 62.
- the base-side rotating member 61 has a cylindrical support portion 611 having a bearing 611a inside, and a tubular support portion 612a (see also FIG. 5A) having a female screw portion 612a substantially perpendicular to the bearing 611a of the support portion 611. It has a supported portion 612 and.
- the supported portion 612 is connected so as to extend laterally at a substantially intermediate portion in the axial direction of the supported portion 611.
- the base side rotating member 61 has a rectangular thick plate-shaped regulated portion 613 and a regulated portion 614.
- the regulated portion 613 is arranged so as to connect the curved side surfaces of the support portion 611 and the supported portion 612 on one side of the bearing 611a. Further, the restricting portion 614 is arranged so as to connect the curved side surfaces of the supporting portion 611 and the supported portion 612 on the other side of the bearing 611a.
- the regulating portion 614 and the regulated portion 613 extend in substantially opposite directions from the respective sides of the bearing 611a.
- the supported portion 612 has a flat sliding contact surface 612b on the rear surface side with the axis of the female screw portion 612a directed to the rear of FIG. 5A.
- the sliding contact surface 612b is provided on a single surface connecting the opposed controlled portion 613 and the regulated portion 614.
- the regulated portion 613 is provided with a contact surface 613a that abuts on the regulation protrusion 522 of the frame 5 and restricts the rotation of the base side rotating member 61.
- the restricting portion 614 is in contact with the contact surface 714a of the base side rotating member 71 to regulate the relative rotation between the base side rotating member 71 and the base side rotating member 61. 614a is provided.
- the contact surface 613a and the contact surface 614a are arranged on the outer surface of the speaker device 2 (on the right side in the case of the right speaker 6b) in the state of FIG. 5A in which the regulated portion 613 is located below the support portion 611. Has been done.
- the base-side rotating member 61 is configured to be axisymmetric around the female screw portion 612a.
- the speaker main body 62 is formed in the shape of a rectangular plate as a whole.
- a sound emitting portion 621 including a plurality of holes for emitting sound from the internal sound emitting element is provided on the inner surface of the speaker main body 62.
- the sound emitting portion 621 is surrounded by a rectangular rib 622.
- a sound emitting portion 623 including a plurality of holes for emitting sound from the sound emitting element is also provided on the outer surface of the speaker main body 62 (see the left speaker 6a in FIG. 3).
- Ribs 624 are provided on the upper and lower sides of the outer peripheral portion before and after the sound emitting portion 623.
- the sound emitting unit 621 and the sound emitting unit 623 are provided in a rectangular area.
- a cushion member may be arranged around the outer circumference of the rib 622.
- a notch 625 is provided at the upper end of the speaker body 62 to avoid interference with the support 7.
- the speaker main body 62 can arrange push button SWs for operating the speaker device 2 on the leading edge and the upper edge (see also FIGS. 1 and 2). Further, as shown in FIG. 2, a connection portion (jack J) to which a communication cable or the like can be connected is arranged on the outer side surface of the speaker main body 62 of the left speaker 6a.
- the internal circuits of the left speaker 6a, the right speaker 6b, and the main body 4 are connected to each other by wiring (not shown).
- the hinge portion 626 is provided so as to project from the inner surface of the end portion of the speaker main body 62 on the frame 5 side (rear side).
- the hinge portion 626 is provided at two locations so that the bearing 626a formed in the vertical direction of FIG. 4A is arranged at the coaxial position.
- the screw member 53 inserted through the opening 711a of the base side rotating member 71 of the support portion 7 constituting the mounting portion 70 and the opening 521 of the frame 5 , Is fastened to the female screw portion 612a of the base side rotating member 61 of the speaker 6.
- the speakers 6 (left speaker 6a and right speaker 6b) are rotatably connected to the frame 5 around the first axis P1.
- the support portion 7 (left support portion 7a and right support portion 7b) is rotatably connected around the third axis P3 which is parallel to the first axis P1 and is located coaxially with the frame 5, respectively. ..
- the base side rotating member 71 is in contact with the sliding contact surface 612b and the sliding contact surface 711b by fastening the screw member 53, and the sliding contact surface 711c and the sliding contact surface 52 are in contact with each other.
- the base side rotating member 61 and the frame 5 are sandwiched in the axial direction (first axis P1 and third axis P3). Therefore, the speaker 6 (left speaker 6a, right speaker 6b) and the support portion 7 (left support portion 7a and right support portion 7b) are independently around the first axis P1 or the third axis P3 with respect to the frame 5. It is connected so that it can be adjusted in angle (that is, it can be stationary at any angle).
- the shaft core member 63 is arranged on the bearing 611a of the base side rotating member 61 of the speaker 6 and the bearing 626a of the speaker main body 62.
- the speaker main body 62 is rotatably connected to the base side rotating member 61 around the second axis P2.
- the base side rotating member 61 is arranged so that the upper and lower surfaces of the support portion 611 and the hinge portion 626 are in sliding contact with each other. Therefore, the speaker 6 (left speaker 6a, right speaker 6b) can be adjusted in angle around the second axis P2 via the base side rotating member 61 with respect to the frame 5 (that is, can be stationary at an arbitrary angle). ) Be connected.
- the regulated portion 613 (contact surface 613a) abuts on the inner surface 522a of the regulation protrusion 522, whereby the inside of the speaker device 2 (in the right arm portion 22, the figure is shown in the figure. Rotation in the clockwise direction around the axes P1 and P3 as seen from the front side of 7) is restricted. Further, in the base side rotating member 61, the regulating portion 614 comes into contact with the upper surface 522b of the regulating projection 522, so that the outside of the speaker device 2 (in the right arm portion 22, around the axes P1 and P3 seen from the front side of FIG. 7). Rotation to the counterclockwise direction side) is restricted.
- the entire speaker 6 is within a predetermined angle range with respect to the frame 5. It is configured to be rotatable around the first axis P1 (or the third axis P3).
- first axis P1 is configured as a roll axis extending substantially in the front-rear direction
- second axis P2 is configured as a yaw axis extending substantially in the vertical direction orthogonal to the first axis P1. Orthogonal.
- the regulated portion 712 abuts on the inner surface 522a of the regulating protrusion 522, so that the inside of the speaker device 2 (in the right arm portion 22, the axes P1 and P3 seen from the front side of FIG. 7). Rotation in the clockwise direction (clockwise side) is restricted. Further, in the base side rotating member 71, the contact surface 711d of the regulated portion 712 comes into contact with the upper surface 522b of the regulating projection 522, so that the outside of the speaker device 2 (in the right arm portion 22, viewed from the front side of FIG. 7). Rotation in the counterclockwise direction around the axes P1 and P3) is restricted.
- the angles can be adjusted with each other (that is, they stand still at an arbitrary angle). (Possible) connected.
- the entire support portion 7 Since the base side rotating member 71 and the tip side member 72 are fixed around the third axis P3 (or the first axis P1), the entire support portion 7 has a predetermined angle range with respect to the frame 5. It is configured to be rotatable around the third axis P3 (or the first axis P1).
- the base side rotation member 61 and the base side rotation member 71 are viewed from the front side of FIG.
- the rotation of the side rotating member 61 in the counterclockwise direction around the axes P1 and P3 is restricted (in other words, the rotation of the base side rotating member 71 in the clockwise direction around the axes P1 and P3 is restricted. Regulated). Therefore, as shown in the front view of FIG. 1, the support portion 7 (left support portion 7a and right support portion 7b) is not closer to the left and right ear portions H2 than the speaker 6 (left speaker 6a and right speaker 6b). Rotation is regulated as such. Therefore, the left speaker 6a and the right speaker 6b are connected to the frame 5 and can be held at predetermined intervals from each other, and can be maintained at an arbitrary distance from the selvage portion H2 (or the head portion H1). ..
- the tip side member 72 is rotatably connected to the base side rotating member 71 within a predetermined angle range around the fourth axis P4.
- the rotation regulated portion 721c which is a protrusion on the tip side member 72 side
- the rotation restricting portion 715c which is a protrusion on the base side rotating member 71 side
- the rotation restricting portion 715c is provided in an angle range of 90 degrees, and the rotation regulated portion 721c is provided in an angle range of 180 degrees. Therefore, the tip side member 72 is in contact with the side surface of the rotation restricted portion 721c in the direction around the fourth axis P4 and the side surface of the rotation restricting portion 715c around the fourth axis P4 in an angle range of 90 degrees. It is rotatably provided.
- the tip side member 72 of FIG. 8 is located at the rotation end in the counterclockwise direction when the rotation restricted portion 721c and the rotation restriction portion 715c are in contact with each other and viewed from above the fourth axis P4.
- the fourth axis P4 is arranged in parallel with the second axis P2 in a state where the regulated portions 613 and 712 shown in FIGS. 7 and 8 are in contact with the regulation protrusion 522. Therefore, the third axis P3 is configured as a roll axis extending substantially in the front-rear direction, and the fourth axis P4 is configured as a yaw axis extending substantially in the vertical direction orthogonal to the third axis P3. Orthogonal.
- the speaker 6 and the support portion 7 are independently and rotatably connected to the frame 5 while being regulated within a predetermined angle range. Further, the speaker 6 and the support portion 7 are also independently and rotatably connected to each other while being regulated within a predetermined angle range.
- the left speaker 6a and the right speaker 6b are rotatably connected to the frame 5 around the first axis P1 and the second axis P2, respectively, and the left support portion 7a and the right support portion 7b are respectively connected to the frame 5. It is rotatably connected around the third axis P3 and the fourth axis P4.
- the support portion 7 is pulled toward the head H1 by the hanging cord 81.
- the rotation of the support portion 7 around the third axis P3 (or the first axis P1) is restricted by the contact between the regulated portion 712 and the regulation protrusion 522 or the contact between the regulation portion 714 and the regulation portion 614.
- the rotation around the fourth axis P4 is restricted by the contact between the rotation regulated portion 721c and the rotation restricting portion 715c.
- the angular position of the support portion 7 around the first axis P1 (or the third axis P3) is also prevented from moving inward (toward the head H1 side) of the speaker 6. Therefore, it is possible to prevent the tip end side member 72 or the like of the support portion 7 from coming into contact with the head portion H1 or the ear portion H2.
- each engaging portion 421 of the elastic member 42 engages with the engaged portion 41b and the engaged portion 51a.
- the elastic member 42 is arranged in a pulled state against the elastic force.
- the engaged portion 51a moves around the shaft core member 41a as shown by the alternate long and short dash line.
- the engaged portion 51a is located at the position Q1
- the engaged portion 51a is located at the position Q3.
- the position Q2 is the position of the engaged portion 51a during the transition between the open state and the closed state of the frame 5, and the engaged portion 41b and the engaged portion 51a linearly sandwich the shaft core member 41a. It shows the state of being lined up.
- the distance between the engaged portion 41b and the engaged portion 51a becomes longer than when the engaged portion 51a is located at the positions Q1 and Q3, and the elastic member 42 is further pulled. As a result, the elastic force of the elastic member 42 increases.
- the speaker device 2 since the frame 5 is urged in the open state where the engaged portion 51a is located at the position Q1 or the closed state where the engaged portion 51a is located at the position Q3 with the position Q2 as a boundary, the speaker device 2 is in the open state (FIG. 3). And FIG. 9A) or the closed state (see FIGS. 10 and 9B), the posture can be stably maintained.
- the speaker device 2 has the speaker 6 and the support portion 7 in the outward direction when the frame 5 (or the left arm portion 21 and the right arm portion 22) is closed.
- the tip portion of the speaker 6 can be turned to the front side and can be folded compactly and comfortably.
- the left speaker 6a and the right speaker 6b have a first state in which the sound emitting directions are opposed to each other (see FIG. 1) and a second state in which the sound emitting direction is directed upward (including an upward diagonal direction) (see FIG. 11). ) And rotatably connected to the frame 5.
- the hood 3 is placed on the head H1 and the head H1 is positioned so as to be sandwiched inside by the left speaker 6a and the right speaker 6b, so that the user can hear sound in the space of the hood 3. can do.
- the speaker 6 and the support portion 7 can be arranged in a state of being substantially parallel to the side surface of the head portion H1 on the selvage portion H2 side.
- the angle of the speaker 6 can be adjusted independently of the support portion 7, the angle can be arbitrarily adjusted according to the user's preference regardless of the position of the mounting portion 70. Therefore, the user can easily enjoy a personal acoustic space that does not have a feeling of oppression and has stable acoustic characteristics.
- the hood 3 is lowered from the head H1, and the hood type speaker device 1 is placed on the shoulder H3 and around the neck. Therefore, even when the hood 3 is lowered and the speaker device 2 is placed on the shoulder portion H3, the user can listen to the sound emitted from the speaker 6 while wearing the hood type speaker device 1. Can be done. Even in this case, the user can arbitrarily adjust the angle of the speaker 6 toward the selvage H2. Even in the second state, since the speaker device 2 can be stably positioned on the shoulder portion H3, the positions of the speaker portion 6 and the ear portion H2 can be stably maintained. Further, even when the user moves the shoulder portion H3 or the like, the positions of the speaker portion 6 and the ear portion H2 can be relatively stably maintained.
- the speaker device 2A incorporated in the hood 3 of the hood type speaker device 1A of FIG. 12 includes a speaker 6 (left speaker 6a and right speaker 6b) and a mounting portion 70A.
- the mounting portion 70A includes a hanging cord 81 which is a hanging support member.
- the speaker device 2A includes a frame 5A that is bent in an obtuse-angled L-shape and is formed of a rod-shaped member or a plate-shaped member.
- the frame 5A is fixed to the speaker 6 (left speaker 6a and right speaker 6b) via the support portion 7 by one end portion 5A1.
- a hanging cord 81 is connected to the other end 5A2 of the frame 5A.
- the hanging cord 81 may be further provided with an adjuster whose length can be adjusted so that the height position of the speaker 6 can be adjusted.
- the frame 5A may include a function of the main body 4 in the speaker device 2 by incorporating a control circuit, a battery, and the like.
- the support portion 7 is pulled toward the head H1 by the hanging cord 81.
- the one end portion 5A2 side of the frame 5A can abut along the temporal portion of the head H1, the left speaker 6a and the right speaker 6b connected to the frame 5A can be held at predetermined intervals.
- the distance from the left and right ears H2 (or the head H1) can be stably maintained.
- the speaker device 2A is suspended by the mounting portion 70A, it follows the position of the head H1 and positions the speaker 6 with respect to the ear portion H2. It can be maintained stably.
- the speaker device 2A and the hood type speaker device 1A which can prevent the speaker 6 from coming into contact with the head portion H1 and the ear portion H2 and can stably support the speaker without feeling oppressive. can.
- the speaker device 2B incorporated in the hood 3 of the hood type speaker device 1B of FIG. 13 includes a main body 4, a frame 5 (left frame 5a and right frame 5b), a speaker 6 (left speaker 6a and right speaker 6b), and a mounting portion. It is equipped with 70B.
- the mounting portion 70B is a support portion 7B formed by a base side rotating member 71 and a tip side member 72B instead of the support portion 7 in the speaker device 2 (in FIG. 13, the left arm portion 21 is shown, but the right arm). The same applies to the part).
- the tip side member 72B has a recess 721, a screw hole 721a, an outer peripheral portion 721b, and a rotation regulated portion 721c at the end portion on the base side rotation member 71 side (see FIG. 5B), and is the same as the support portion 7. It is rotatably connected to the base side rotating member 71 within the angle range of.
- the mounting portion 70B has a suspension member 8B instead of the suspension member 8.
- the suspension member 8B includes a flat plate strip-shaped belt 84 (string-shaped body) and a buckle 85 that allows the length of the belt 84 to be adjusted.
- the left and right ends of the belt 84 are rotatably connected to the tip side member 72B. Further, the belt 84 is pulled out to the head H1 side via the outside of the speaker 6. Therefore, the bias of the belt 84 toward the temporal region is regulated by the speaker 6.
- the rotation of the speaker 6 inward (toward the head H1 side) is restricted by the same configuration as that of the speaker device 2. Therefore, contact with the belt 84 and the head H1 of the speaker 6 is prevented.
- the hood type speaker device 1B has a collar member 34 that is wound over the left and right side surface sides and the occipital region side of the head H1.
- the collar member 34 is formed, for example, in a part of the middle lining 32 and the lining 33, and is composed of a U-shaped double structure having a front opening in a plan view.
- the collar member 34 is formed to be less deformable (harder) than the upper region (head H1 side) of the hood 3.
- concavely curved lower edge portions 341 are provided on the left and right side portions of the collar member 34.
- the portion on the rear side of the speaker device 2B (for example, the frame 5 and the main body 4) is arranged inside the collar member 34.
- the speaker device 2B When the speaker device 2B is arranged so as to suspend the belt 84 from the head H1, the position of the center of gravity is located behind the contact position between the belt 84 and the head H1. Therefore, a load is applied to the portion on the rear side of the speaker device 2B (in the above-mentioned example, the frame 5 and the main body portion 4) to rotate in the forward direction.
- the posture of the built-in speaker device 2B is supported by mounting the lower edge portion 341 of the collar member 34 so as to abut against the shoulder portion H3, and the rear side of the speaker device 2B is supported. It is possible to prevent the portion from coming into contact with the head H1 or the neck.
- the frame 5 can connect the left speaker 6a and the right speaker 6b so as to be able to hold each other at a predetermined interval. Therefore, it is possible to configure the speaker device 2B and the hood type speaker device 1B that can be stably supported without a feeling of oppression.
- hood type speaker devices 1, 1A and 1B of the present embodiment have been described above, other configurations can be applied to the hood type speaker devices 1, 1A and 1B.
- first axis P1 and the third axis P3 are arranged coaxially has been described, but the first axis P1 and the third axis P3 are relatively parallel to each other but at other positions that are not coaxial. It may be arranged.
- the speaker devices 2 and 2B have described the configuration in which the main body 4 is provided between the left frame 5a and the right frame 5b, the control circuit and the battery in the main body 4 are placed in the left frame 5a or the right frame 5b. It may be provided or may be provided in the left speaker 6a or the right speaker 6b so that the housing of the main body 4 is omitted. In this case, the speaker devices 2 and 2B may connect the left frame 5a and the right frame 5b so as to be relatively rotatable.
- the configuration of the hood 3 having three layers including the outer material 31, the middle lining 32, and the lining 33 has been described, but the number of layers is not limited to this, and two layers or four or more layers may be provided.
- the method of connecting the frame 5, the base side rotating member 61, and the base side rotating member 71 is not limited to the method of fastening the screw member 53 to the female screw portion 612a of the base side rotating member 61. If the base-side rotating member 61 and the base-side rotating member 71 are configured to be independently rotatable around the first axis P1 or the third axis P3 with respect to the frame 5, they are connected by other connecting methods. May be good.
- the specific configurations of the speaker device 2, the speaker device 2A, and the speaker device 2B described in the present embodiment can be arbitrarily combined.
- the belt 84 and the hanging cord 81 can be arbitrarily selected and configured.
- the frame 5, the left speaker 6a and the right speaker 6b which are connected to the frame 5 and can be held at predetermined intervals from each other, and the left and right positions of the frame 5 are connected and can be suspended by the head H1.
- the speaker devices 2, 2A, and 2B provided with the mounting portion 70 have been described.
- the speaker devices 2, 2A and 2B in which the mounting portion 70 includes the left support portion 7a, the right support portion 7b, and the string-shaped body can easily configure the mounting portion 70 in a lightweight manner.
- the left support portion 7a is formed in an L shape extending from the rear to the upper side of the left speaker 6a, is connected to one end side of the string-like body above the left speaker 6a, and the right support portion 7b is the right speaker 6b.
- the configuration which is formed in an L shape extending from the rear to the upper side and is connected to the other end side of the string-like body above the right speaker 6b has been described.
- the speaker devices 2, 2A and 2B to which the left speaker 6a, the right speaker 6b, the left support portion 7a and the right support portion 7b are independently and adjustable in angle with respect to the frame 5 are connected to a string-like body or a support.
- the orientation of the speaker 6 can be arbitrarily set according to the user's preference while avoiding the portion 7 from coming into contact with the head H1.
- the rotation of the left support portion 7a is restricted so as not to be closer to the left ear portion H2 side than the left speaker 6a, and the right support portion 7b is not closer to the right ear portion H2 side than the right speaker 6b. Since the rotation is restricted, it is possible to prevent a part of the support portion 7 or a string-like body from coming into contact with the head H1.
- the left speaker 6a and the right speaker 6b are rotatably connected to the frame 5 around a second axis P2 different from the first axis P1 and the first axis P1, respectively, and the left support portion 7a and the right support portion are connected to each other.
- a configuration in which 7b is rotatably connected to the frame 5 around the third axis P3 and the fourth axis P4, respectively, has been described.
- the left and right speakers 6 and the support portion 7 are configured to be rotatable in the biaxial direction, so that the speaker devices 2, 2A, and 2B capable of adjusting the angle with a high degree of freedom can be configured.
- the speaker device 2 in which the string-shaped body includes a plurality of hanging cords 81, a part of the hanging cords 81 is suspended in front of the head H1 and the other part of the hanging cords 81 is suspended from the head H1.
- the speaker device 2 can be stably supported so as not to slip off the head H1 by suspending and supporting the speaker device 2 behind the head H1.
- the configuration in which the left speaker 6a and the right speaker 6b are rotatably connected to the frame 5 in the first state in which the sound emitting directions are opposed to each other and the second state in which the sound emitting directions are directed upward has been described.
- the user can use the speaker devices 2, 2B (2A) in any manner depending on the situation, preference, and the like.
- the frame 5 has a left frame 5a connected to the left speaker 6a and a right frame 5b connected to the right speaker 6b, and the left frame 5a and the right frame 5b can be opened and closed via the hinge portion 41.
- the configuration was explained.
- the speaker devices 2 and 2B (2A) can be stored compactly.
- the hood type speaker devices 1, 1A, 1B including the above-mentioned speaker devices 2, 2A, 2B and a hood 3 incorporating the speaker devices 2, 2A, 2B are suspended from the head H1 by the mounting portion 70. Since the configuration is possible, even when a flexible material is used for the hood 3, it is possible to prevent the position of the speaker 6 from being displaced due to its own weight or the like. Further, even when the head H1 is moved to the left or right, it can be easily followed. Therefore, it is possible to configure the hood type speaker device 1 capable of stable support without a feeling of oppression.
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- Physics & Mathematics (AREA)
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- Acoustics & Sound (AREA)
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Abstract
Description
次に本実施形態に係る変形例1について説明する。図12のフード型スピーカ装置1Aのフード3に内蔵されるスピーカ装置2Aは、スピーカ6(左スピーカ6a及び右スピーカ6b)、及び装着部70Aを備える。装着部70Aは、吊支部材である吊り下げコード81を含む。
次に本実施形態に係る変形例2について説明する。図13のフード型スピーカ装置1Bのフード3に内蔵されるスピーカ装置2Bは、本体部4、フレーム5(左フレーム5a及び右フレーム5b)、スピーカ6(左スピーカ6a及び右スピーカ6b)、装着部70Bを備える。装着部70Bは、スピーカ装置2における支持部7の代わりに、基部側回動部材71と先端側部材72Bとにより形成された支持部7B(図13では左腕部21について図示しているが、右腕部においても同様)を有する。先端側部材72Bは、基部側回動部材71側の端部に、凹部721、螺子用孔721a、外周部721b及び回動被規制部721cを有し(図5B参照)、支持部7と同様の角度範囲で基部側回動部材71と回動可能に接続されている。
2,2A,2B スピーカ装置
3 フード
4 本体部
5,5A フレーム
5A1 一端部
5A2 一端部
5a 左フレーム
5b 右フレーム
5Aa 左フレーム
5Ab 右フレーム
6 スピーカ
6a 左スピーカ
6b 右スピーカ
7,7B 支持部
7a 左支持部
7b 右支持部
8,8B 吊支部材
21 左腕部
22 右腕部
31 表地
32 中裏地
33 裏地
34 襟部材
41 ヒンジ部
41a 軸芯部材
41b 被係合部
42 弾性部材
51 軸受部
51a 被係合部
52 摺接面
53 螺子部材
61 基部側回動部材
62 スピーカ本体
63 軸芯部材
70,70A,70B 装着部
71 基部側回動部材
72,72B 先端側部材
81 吊り下げコード
82 下アジャスタ
83 上アジャスタ
84 ベルト
85 バックル
341 下縁部
421 係合部
511 溝部
521 開口部
522 規制突起
522a 内面
522b 上面
611 支持部
611a 軸受
612 被支持部
612a 雌螺子部
612b 摺接面
613 被規制部
613a 当接面
614 規制部
614a 当接面
621 放音部
622 リブ
623 放音部
624 リブ
625 切欠部
626 ヒンジ部
626a 軸受
711 被支持部
711a 開口部
711b 摺接面
711c 摺接面
711d 当接面
712 被規制部
713 延設部
714 規制部
714a 当接面
715 軸部
715a 雌螺子部
715b 外周部
715c 回動規制部
721 凹部
721a 螺子用孔
721b 外周部
721c 回動被規制部
722 凹部
723 開口部
H1 頭部
H2 耳部
H3 肩部
J ジャック
P1 第一軸
P2 第二軸
P3 第三軸
P4 第四軸
SW 押し釦
Claims (10)
- フレームと、
前記フレームと接続されて互いに所定の間隔で保持可能な左スピーカ及び右スピーカと、
前記フレームの左右位置と接続されて頭部により吊支可能な装着部と、
を備えることを特徴とするスピーカ装置。 - 前記装着部は、左支持部と、右支持部と、前記左支持部及び前記右支持部に接続される紐状体とを含むことを特徴とする請求項1に記載のスピーカ装置。
- 前記左支持部は、前記左スピーカの後方から上方に亘るL字状に形成され、前記左スピーカの上方において前記紐状体の一端側と接続され、
前記右支持部は、前記右スピーカの後方から上方に亘るL字状に形成され、前記右スピーカの上方において前記紐状体の他の一端側と接続される、
ことを特徴とする請求項2に記載のスピーカ装置。 - 前記左スピーカ、前記右スピーカ、前記左支持部及び前記右支持部は、前記フレームに対して独立して角度調整可能に接続されることを特徴とする請求項2又は請求項3に記載のスピーカ装置。
- 前記左支持部は、前記左スピーカよりも左の耳部側へ近接しないように回動が規制され、
前記右支持部は、前記右スピーカよりも右の耳部側へ近接しないように回動が規制される、
ことを特徴とする請求項4に記載のスピーカ装置。 - 前記左スピーカ及び前記右スピーカは、各々前記フレームに対して第一軸及び前記第一軸とは異なる第二軸周りに回動可能に接続され、
前記左支持部及び前記右支持部は、各々前記フレームに対して前記第一軸と平行な第三軸及び前記第二軸と平行な第四軸周りに回動可能に接続される、
ことを特徴とする請求項2乃至請求項5の何れかに記載のスピーカ装置。 - 前記紐状体は、複数の吊り下げコードを含むことを特徴とする請求項2乃至請求項6の何れか一項に記載のスピーカ装置。
- 前記左スピーカ及び前記右スピーカは、放音方向を対向させる第一状態と、放音方向を上方へ向けた第二状態とに回動可能に前記フレームと接続されることを特徴とする請求項1乃至請求項7の何れか一項に記載のスピーカ装置。
- 前記フレームは、前記左スピーカと接続される左フレームと、前記右スピーカと接続される右フレームとを有し、
前記左フレーム及び前記右フレームは、ヒンジ部を介して開閉可能に構成される、
ことを特徴とする請求項1乃至請求項8の何れか一項に記載のスピーカ装置。 - 請求項1乃至請求項9の何れかに記載のスピーカ装置と、
前記スピーカ装置を内蔵するフードと、
を備えることを特徴とするフード型スピーカ装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/269,693 US12513445B2 (en) | 2020-12-28 | 2021-11-22 | Speaker device and hood-type speaker device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020218123A JP7643040B2 (ja) | 2020-12-28 | 2020-12-28 | スピーカ装置及びフード型スピーカ装置 |
| JP2020-218123 | 2020-12-28 |
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| Publication Number | Publication Date |
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| WO2022145149A1 true WO2022145149A1 (ja) | 2022-07-07 |
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| PCT/JP2021/042817 Ceased WO2022145149A1 (ja) | 2020-12-28 | 2021-11-22 | スピーカ装置及びフード型スピーカ装置 |
Country Status (3)
| Country | Link |
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| US (1) | US12513445B2 (ja) |
| JP (1) | JP7643040B2 (ja) |
| WO (1) | WO2022145149A1 (ja) |
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| CN116985721A (zh) * | 2023-09-25 | 2023-11-03 | 江苏日盈电子股份有限公司 | 车辆音乐控制系统 |
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| JP2024041183A (ja) * | 2022-09-14 | 2024-03-27 | カシオ計算機株式会社 | 音響空間形成装置 |
| JP2024041181A (ja) * | 2022-09-14 | 2024-03-27 | カシオ計算機株式会社 | スピーカ装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116985721A (zh) * | 2023-09-25 | 2023-11-03 | 江苏日盈电子股份有限公司 | 车辆音乐控制系统 |
| CN116985721B (zh) * | 2023-09-25 | 2023-12-15 | 江苏日盈电子股份有限公司 | 车辆音乐控制系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2022103478A (ja) | 2022-07-08 |
| JP7643040B2 (ja) | 2025-03-11 |
| US20240073574A1 (en) | 2024-02-29 |
| US12513445B2 (en) | 2025-12-30 |
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