JP2008294872A - Headset - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a headset to be easily worn on ear and having improved functions of adjusting and keeping the position of a microphone unit, the headset being used by hooking the ear-hook to the auricula of a user and positioning an earphone unit at ear hole and the microphone unit near the mouth. <P>SOLUTION: The headset is provided with a lock mechanism for externally retaining a coupling shaft at the end of ear hook 20 so as to be turnable in an outer-fitting retaining unit 40 provided in a coupling adaptor 30 when the outer-fitting mechanism is equipped with a lock mechanism for locking elastically while the ear hook 20 is used. On the other hand, the annular outer-fitting retaining unit 60 provided on the coupling adaptor 30 externally retains the earphone unit (51 and the like), formed so as to be projected from a main body unit 10, so as to be turnable while the outer-fitting mechanism is equipped with another locking mechanism for locking elastically the earphone unit at every predetermined small rotating angles. The assembly of the ear hook 20 and the outer-fitting retaining unit 40 is detachable and it can also be inserted from the lower side and, further, the headset can be used at either left or right ear. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a headset as a wireless communication terminal that is worn on the ear, and in particular, for simplifying wearing on the ear and improving the position adjustment function of the microphone unit and the position holding function after the adjustment. Concerning configuration.

  2. Description of the Related Art Conventionally, a headset that allows a call to be performed in a hands-free state, instead of performing a call while being held by a hand like a telephone handset or a mobile phone terminal, has been used. When using a headset, you can operate the keyboard of your computer while making a call, and it is said to be good for your health because it allows you to talk in a natural posture, and it will be used for various purposes in the future. It is expected to be.

  In such a headset, if it is based on a wireless communication system based on a standard such as Bluetooth (registered trademark), at least an earphone and an amplifier circuit for sound output, a microphone and a modulation circuit for sound input, an antenna, It has a transmitter / receiver circuit, a battery, and a power supply circuit, and various forms are adopted in terms of mechanism, but the earphone part, the microphone part, and the ear hook part constitute main components, and each of the above circuits is an IC chip. It is built into the main body and ear hook including the earphone part.

  For example, in the following Patent Document 1, a configuration of a headset as shown in FIG. 12 is disclosed. In the figure, 101 is an earphone section, 102 is a microphone section, and 103 is an ear hook section that is curved along a person's pinna. This headset has the following characteristics. (1) The microphone unit 102 is rotatably attached to a shaft attached to the back surface of the earphone unit 101 via the tube body 104. (2) The earphone unit 101 has a rod-shaped shaft member 105 erected on the outer peripheral surface of the earphone unit 101 inserted through a hollow cylinder 106 attached to the upper end of the ear hook 103, and the earphone 101 is connected to the ear hook 103. In contrast, it is configured to be movable in the vertical direction with respect to the axis of the hollow cylinder 106. The flange 105a at the end of the shaft member 105 is provided to prevent the shaft member 105 from coming off. (3) The amplifier circuit, the modulation circuit, the transmission / reception circuit, the power supply circuit, and the battery are built in the ear hook 103, and the electrical connection between the earphone 101, the microphone 102, and the antenna (tube 104) is The shaft member 105 is a hollow member, and each lead wire 107 from each circuit on the ear hooking portion 103 side is connected to the earphone portion 101 and the antenna (tube body 104) through the shaft member 105. The microphone unit 102 is connected through the inside.

Therefore, in this headset, the relative positional relationship between the ear hooking portion 103 and the earphone portion 101 is made to correspond to the shape of the user's ear by the mechanism in which the shaft member 105 on the earphone portion 101 side is supported by the hollow cylinder 106. Can be adjusted. In addition, in the headset, the earphone unit 101 is rotatable with respect to the ear hooking unit 103 by the feature (2), and the microphone unit 102 is rotated by the feature (1) with respect to the earphone unit 101. Since it is free, there is an advantage that it can be applied to both the left and right ears.
Japanese Patent Laid-Open No. 10-31494

  By the way, the headset of Patent Document 1 is worn on the ear by the following procedure (see FIG. 5 of Patent Document 1). First, according to the shape and size of the user's ear, the position of the earphone part 101 with respect to the ear hook part 103 is adjusted so that the surface of the earphone part 101 is almost located in the outer ear hole, and the back surface of the earphone part 101 is Hold the lower end of the ear hook 103 with the finger of the other hand while pressing the front side against the outer ear hole with the finger of one hand to increase the distance between the earphone 101 and the ear hook 103. While the ear hook 103 is positioned behind the pinna. And the outer diameter of the earphone part 101 is set to a size that can be inserted between the entrance part of the outer ear canal and the protrusions around the entrance part of the outer ear hole, and the ear hook part 103 is placed behind the auricle. When the finger is released in the positioned state, the headset can be held by the ear while the auricle is sandwiched between the earphone unit 101 and the ear hook unit 103.

  Therefore, both hands must be used to wear the headset of Patent Document 1 on the ear, and a certain amount of familiarity is required for the wearing operation. Further, as described above, the ear hook 103 must be deformed to some extent when worn, and therefore, a material having flexibility and elasticity is used. If a chip, a lead wire, or a battery is incorporated, there is a problem that disconnection, poor contact, etc. are likely to occur.

  Next, in Patent Document 1, regarding the relationship between the hollow cylinder 106 and the shaft member 105, “the hollow cylinder 106 having an inner diameter slightly smaller than the outer diameter of the shaft member 105 allows the shaft member 105 to rotate freely and It is described that it is supported with an appropriate frictional force so that it can move up and down, and the relationship between the two elements 106 and 105 is a support mechanism based on the frictional force. In addition, the position of the microphone unit 101 is adjusted by the angle of the tube body 104, but “the tube body 104 is pivotally attached to the center of the back surface of the earphone unit (speaker unit) 101, and the earphone unit (speaker unit) 101 It can be swiveled about the central axis as a center of rotation. "Also regarding this, it is assumed that the setting of the angle will be a pivoting mechanism that depends on the frictional force.

  On the other hand, in the case of a headset, the user does not always work in a stationary state, and even when using a keyboard of a computer, the user may shake his / her head left and right. When walking or exercising, vibrations and impacts act. In that case, the relative position of the earphone part 101 with respect to the ear hook part 103 and the angle formed by the assembly of the microphone part 102 and the tube body 104 change when the support mechanism or the pivoting mechanism is based on the frictional force as described above. End up. In other words, the support mechanism and the pivoting mechanism using the frictional force are the simplest to construct and are convenient for miniaturization, but may deviate from the proper mounting state due to the action of inertial force and moment of inertia. .

  Accordingly, an object of the present invention is to simplify a wearing operation to an ear in a wireless communication system headset and to realize a compact mechanism that does not easily shift the adjustment position of the microphone even when there is movement. To do. In addition, the present invention also provides a headset configuration that can be applied to either the left or right ear simply by changing the mounting direction of the ear hook.

  The present invention has a wireless communication system transmission / reception function, and is attached to a user's ear by hooking a curved rod-shaped ear hook part from the upper side of the auricle along the back, and the earphone part is attached to the ear hole In a headset that is used by placing a microphone part near the mouth at a position opposite to the mouth, the transmitter / receiver function, an electric circuit required for the control, and a speaker element are incorporated in the casing. An earphone part is formed as a short cylindrical projecting part on the side of the body, and a main body part provided with a microphone part at the tip of a tubular rod erected on the front end surface of the housing, and a hook to the auricle An ear hook part in which a connecting shaft part is continuously formed in the direction that becomes the horizontal / front direction in the hooked state, and the earphone part of the main body part can be rotated First holding portion for external fitting and the ear hook A coupling adapter that couples the main body and the ear hook, and has a first holding of the coupling adapter. The fitting mechanism between the head part and the earphone part of the main body part includes a first lock mechanism that elastically locks the earphone part at a certain rotation angle and a retaining mechanism for the earphone part, and the coupling The fitting mechanism between the second holding portion of the adapter and the connecting shaft portion of the ear hook portion is configured so that the connecting shaft portion is elastic with the ear hook portion forming an angle in use with respect to the main body portion. And a second locking mechanism for locking to the connecting shaft and a retaining mechanism for the connecting shaft portion.

  According to the headset of the present invention, when the lock state of the second lock mechanism is released based on the function of the second holding portion of the coupling adapter, the relative angle between the main body portion and the ear hooking portion can be increased. it can. Therefore, the ear hooking part is hooked on the auricle with the ear hooking part being opened from the main body part (unlocked state), and thereafter, the main body part is placed in the ear hole so that the earphone part is in a position facing the ear hole. When turned to the side, the second locking mechanism is in a locked state, and the mounting of the headset to the ear is completed. Further, when the rotation angle of the main body is changed stepwise based on the function of the first holding portion of the coupling adapter, the first lock mechanism locks with a predetermined strength at each rotation angle. Therefore, it is possible to adjust the position of the headset, the position of the microphone unit, and the adjustment of the contact state of the earphone unit around the ear canal with one-hand operation, and the mounted / adjusted state can be accurately maintained.

  In the headset of the present invention, for the first locking mechanism, a wave-like unevenness that is continuous at a predetermined pitch in the circumferential direction is formed on the outer peripheral surface of the earphone part, and the wave-like is formed on the inner peripheral surface of the first holding part. By adopting a mechanism in which a latch that meshes with the unevenness is elastically urged inwardly, a relatively large anti-torque characteristic can be obtained while securing an acoustic hole communicating with the speaker element of the earphone unit.

  In the headset of the present invention, as for the second locking mechanism, a part of the connecting shaft portion of the ear hook is formed with a smaller diameter than the other sections, and both sides of the small diameter section are parallel to each other. In the second holding portion, the connecting shaft portion is pivotally supported in the large diameter section, and both the small diameter sections of the connecting shaft portion are supported by elastic pieces having a U-shaped cross section inserted from the outside. By adopting a mechanism that sandwiches the plane portion, a simple and small-sized mechanism can be realized, and a connecting shaft portion retaining mechanism can also be configured.

  Further, in the headset of the present invention, if a pad made of a cushion member is attached to a region near the front end of the side surface on which the earphone portion is formed in the housing of the main body portion, the main body portion due to the action of inertia force or moment of inertia Can be suppressed, and the main body and the microphone can be prevented from hitting the cheek.

  Further, in the headset of the present invention, the coupling adapter is configured such that the second holding part can be attached to and detached from the first holding part, and the side position of the first holding part is other than circular. A hollow cylinder having a through-hole is attached so that its axial direction is parallel to the transverse section of the earphone part, and the second holding part is externally fitted to the connecting shaft part of the ear hook part. An insertion portion that is perpendicular to the axis of the hole and is fitted into the through-hole of the hollow cylindrical body in an angular direction formed by the ear hook portion in a locked state by the second locking mechanism is provided. 2 between the insertion part of the holding part 2 and the through hole of the hollow cylindrical body, even if the insertion part fits in the through hole from any direction, the insertion part is elastically locked. If a detachable mechanism that can release the locked state by manual operation is provided, By changing the insertion direction of the ear shell, allowing applicable to right or left ear.

  According to the headset of the present invention, it is possible to easily perform mounting work and adjustment work on the ear with one hand. Moreover, even if an inertial force or an inertial moment acts on the main body due to the movement of the user, a configuration in which the mounting / adjustment position does not easily shift can be realized. Furthermore, it is possible to realize a headset that can be worn on either the left or right ear by simply changing the insertion direction of the ear hooking portion with respect to the coupling adapter to be vertically symmetrical.

  Hereinafter, embodiments of the headset of the present invention will be described in detail with reference to the drawings. 1 and 2 are external perspective views of the headset according to the embodiment. FIG. 1 is a side view of the side mounted on the ear, and FIG. . In each figure, reference numeral 10 denotes a main body, and in its case, an electric circuit [transmit / receive circuit (including an antenna module), amplifier circuit, modulation circuit, control circuit for wireless communication system and its control] A control circuit such as a transmission / reception switch, and a power supply circuit] are incorporated in an IC chip, and a speaker element is also incorporated at a position corresponding to a battery holding unit and an earphone unit described later.

  Further, a tubular rod 11 is erected and fixed to the distal end surface of the housing of the main body unit 10, and a microphone unit 12 is attached to the distal end of the tubular rod 11. Here, the tubular rod 11 is an element for positioning the microphone portion 12 forward, but the inside of the tube serves as a lead wire passage for connecting the electric circuit in the housing of the main body portion 10 and the microphone portion 12. Yes. In FIG. 2, an area indicated by 13 on the outer side surface of the housing is a push button switch, and when the button is pressed, an initial communication protocol is executed with another wireless communication device. Normal transmission / reception communication is performed.

  On the other hand, reference numeral 20 denotes an ear-hanging portion, which has a planar shape curved so as to be in close contact with the back from the upper part of a human ear, and is constituted by a bar material that is flexible to some extent. The ear hook 20 and the main body 10 are coupled by a coupling adapter 30 (described later: 40, 46, 47, 60, 65). As shown in FIG. The entire headset is held by the ear in such a manner that the auricle 90 is sandwiched between the earphone part (described later: 50, 50a, 51) and the ear hook part 20 that are hooked on the auricle 90 and positioned opposite to the ear canal. Installed. In addition, by adjusting the angle of the main body 10 in the mounted state, the microphone unit 12 is adjusted to be positioned near the mouth.

  By the way, the ear hook 20 and the coupling adapter 30 are rotatably coupled by a fitting mechanism as shown in FIGS. First, on the side of the ear hooking portion 20, a connecting shaft portion 22 is integrally formed on the end portion 21 that is on the upper side when hooked to the auricle 90 in a direction that is horizontal and forward in the hooked state. ing. The connecting shaft portion 22 includes a small-diameter section 23 and large-diameter sections 24a and 24b. The small-diameter section 23 is parallel flat portions 25a and 25b with both sides cut away. Furthermore, each large diameter section 24a, 24b has a large diameter of 180 ° as a central angle, and the other 180 ° portion is missing and has the same diameter as the small diameter section 23. A short axis 26 having a diameter smaller than that of the small diameter section 23 is formed to protrude from the front end face of the section 24b.

  On the other hand, on the coupling adapter 30 side, a cylindrical outer fitting holding portion 40 for fitting the connecting shaft portion 22 is provided. A hole 41 having an inner diameter corresponding to the large-diameter section of the connecting shaft portion 22 is formed in the outer fitting holding portion 40, and the short shaft 26 on the connecting shaft portion 22 side is fitted into the bottom surface of the hole 41. Counterbore holes (not shown) are also formed. In addition, stoppers 42 and 43 are formed to protrude from a part of the region corresponding to the missing portions of the large diameter sections 24a and 24b of the connecting shaft portion 22 on the inner peripheral surface of the hole 41.

  Further, a rectangular hole 44 is formed in the upper wall of the outer fitting holding part 40 so that an elastic piece 45 having a U-shaped cross section can be inserted. The elastic piece 45 is inserted into the hole 44 in a state where the connecting shaft portion 22 on the ear hooking portion 20 side is inserted into the hole 41 of the outer fitting holding portion 40, whereby the connecting shaft portion is connected to each plate portion 45a, 45b. Each of the flat portions 25a and 25b of 22 is sandwiched to realize an elastic locking mechanism for the ear hooking portion 20 as will be described later, and also a mechanism for preventing the ear hooking portion 20 from coming off. In the state where the elastic piece 45 is completely inserted, the tip side of each plate portion 45a, 45b engages with the small diameter section 23 of the connecting shaft portion 22, and the elastic piece 45 also has a retaining mechanism by assembling. .

  Specifically, (A) and (B) of FIG. 6 are respectively a front view showing a rotation state of the coupling adapter 30 and the main body part 10 with respect to the ear hooking part 20, and a cross-sectional view of the outer fitting holding part 40. In (A), since the flat portions 25a and 25b of the connecting shaft portion 22 are sandwiched between the plate portions 45a and 45b of the elastic piece 45, a locked state is formed in which the rotating portion is not rotated unless a strong rotating torque is applied. (B) is a state in which the angle formed by the main body 10 and the coupling adapter 30 with respect to the ear hook 20 is forcibly widened by hand, and the small-diameter section 23 of the connecting shaft portion 22 rotates within the outer fitting holding portion 40. As a result, the plate portions 45a and 45b of the elastic piece 45 are elastically bent outward, and the arcuate surface portion of the connecting shaft portion 22 and the flat surface of the plate portions 45a and 45b are in sliding contact with each other. It is in an unlocked state in which the rotation angle can be changed by torque.

  Therefore, when mounting the headset to the ear, first, the angle formed by the coupling adapter 30 and the main body portion 10 with respect to the ear hooking portion 20 is opened by hand as shown in FIG. After the hooking portion 20 is hooked to the ear, the coupling adapter 30 and the main body portion 10 are rotated downward to the state shown in FIG. Can be attached to. This headset mounting procedure can be performed very easily by one-handed operation, without operations such as bending the ear hook 20 or deforming the pinna. Note that the opening angle θ in (B) of FIG. 6 does not increase without limit, but is combined with the angle of the missing portion provided in each of the large diameter sections 24a, 24b on the connecting shaft portion 22 side of the ear hook portion 20. Due to the locking relationship with the positions of the stoppers 42 and 43 that are formed in the hole 41 of the outer fitting holding part 40 on the adapter 30 side, it opens only up to a certain angle (45 ° in this embodiment). It has become. Further, a retaining mechanism for the connecting shaft portion 22 is configured by the retaining relationship between the large-diameter section 24b on the distal end side and the elastic piece 45. In this embodiment, the opening angle θ is limited as described above. However, this is not always necessary, and in the case where the opening angle θ is not limited, the large diameter sections 24a and 24b are not provided with missing portions, and the stoppers 42, It becomes the composition which does not provide 43 either.

  The fitting mechanism between the ear hook 20 and the coupling adapter 30 has been described above. Next, the fitting mechanism that couples the main body 10 and the coupling adapter 30 will be described. As shown in FIGS. 1 and 2, which are external perspective views of the entire headset, and FIGS. 7A and 7B, which are exploded perspective views of components, the fitting mechanism includes a main body portion. It comprises an earphone part (50, 50a, 51) configured to protrude from the side surface of 10 housings and an annular outer fitting holding part 60 provided on the coupling adapter 30 side.

  First, regarding the earphone part, reference numeral 50 denotes a speaker element, which is fixed by being fitted into a hollow cylindrical part 50a formed protruding from the side surface of the casing of the main body part 10. Reference numeral 51 denotes a speaker housing, which includes a flange portion 52 that is a surface facing the ear hole and a hollow cylindrical portion 53 that is integrally formed behind the flange portion 52. Here, a large number of small holes (acoustic holes) 54 communicating from the front surface to the inside of the hollow cylindrical portion 53 are formed in the flange portion 52, and the outer peripheral surface side of the hollow cylindrical portion 53 has a predetermined pitch in the circumferential direction. A continuous triangular tooth 55 is formed, and a groove 56 is formed on the inner peripheral surface side in a direction parallel to the axis at every 120 ° as a central angle. The groove 56 is in a relationship of fitting with a convex portion 50b formed on the outer peripheral surface of the hollow cylindrical portion 50a.

  On the other hand, the outer fitting holding part 60 on the side of the coupling adapter 30 has a triangular tooth shape that is elastically displaced with respect to the pressure in the outer direction, at a position of every 120 ° as the central angle on the inner peripheral surface side. A latch 61 is provided. Specifically, by forming a slit 62 in the annular plate portion on the inner peripheral side of the outer fitting holding portion 60, a lever 63 is formed in the circumferential direction with the latch 61 as a tip portion, and the lever 63 is made of elastic material. The elasticity of the latch 61 can be obtained by using as a leaf spring.

  Then, when the hollow cylindrical portion 53 of the speaker housing 51 is fitted inside the outer fitting holding portion 60, each latch 61 of the outer fitting holding portion 60 has teeth in the recess formed by the triangular teeth 55 of the hollow cylindrical portion 53. The hollow cylindrical portion 50a on the main body 10 side is moved into the hollow cylindrical portion 53 of the speaker housing 51, and the convex portions 50b on the hollow cylindrical portion 50a side and the hollow cylindrical portion 53 side are When the groove 56 is inserted and bonded, the outer fitting holding part 60 is coupled to the earphone part (50, 50a, 51) via a fitting mechanism having an elastic locking mechanism and a retaining mechanism. Thus, the coupling adapter 30 coupled to the ear hook 20 is also coupled to the main body 10.

  Therefore, when the body unit 10 is rotated and adjusted in the state where the headset is attached to the ear, the respective latches 61 on the outer fitting holding unit 60 side are in corresponding positions on the earphone unit (50, 50a, 51) side. Will move in the circumferential direction while sequentially elastically engaging with the recesses between the triangular teeth 55 in the ring, but it will be easy to adjust because it will be in an elastic locked state at each position, and after adjustment In this angle, due to the anti-torque based on the lock mechanism, even if an inertial force or an inertial moment acts on the headset, it does not rotate easily. The rotation angle of the earphone part (50, 50a, 51) with respect to the outer fitting holding part 60 on the coupling adapter 30 side is determined by the engagement protrusions 64 provided on the opposing faces of the outer fitting holding part 60 and the speaker housing 51, respectively. Due to the engagement relationship between the circumferential recessed portion 57 and the angle limiting rib, it is limited within the required maximum angle range (within the maximum swing angle range required for adjusting the position of the microphone section 12).

  By the way, in the above description, the coupling adapter 30 integrally couples the outer fitting holding part 40 with respect to the connecting shaft part 22 of the ear hooking part 20 and the outer fitting holding part 60 with respect to the earphone part (50, 50a, 51). However, in the headset of this embodiment, as shown in FIGS. 8A and 8B, they are detachable. That is, the assembly on the side of the ear hooking portion 20 including the outer fitting holding portion 40 can be attached to and detached from the main body portion 10. Further, as is apparent from FIGS. 8A and 9, the assembly on the ear hooking portion 20 side can be attached to the main body portion 10 in a vertically symmetrical relationship.

  For this purpose, as shown in FIGS. 1 and 7 to 9, a hollow cylindrical body in which a through hole 65 a having a substantially rectangular cross section is formed at a side position of the outer fitting holding portion 60 on the main body portion 10 side. 65 is provided side by side with the axial direction parallel to the cross section of the earphone section (50, 50a, 51). Further, the outer fitting holding portion 40 side on the ear hooking portion 20 side is perpendicular to the axis of the outer fitting hole 41 with respect to the connecting shaft portion 22 and is elastically locked as shown in FIG. A connecting rod portion 46 having a predetermined length and an insertion portion 47 fitted in the through hole 65a on the hollow cylinder 65 side are connected in the angle direction formed by the hanging portion 20.

  According to this configuration, when the ear hooking portion 20 is fixed by inserting the insertion portion 47 from the upper side into the through hole 65a of the hollow cylindrical body 65 as shown in FIG. 1 and FIG. 2 shows a headset for attaching to the left ear, and conversely, as shown in FIG. 9, when the insertion part 47 is inserted from the lower side and the ear hooking part 20 is fixed, the headset Is configured as shown in FIG. 10 and is for wearing to the right ear. Therefore, the headset of this embodiment can be applied to both the left and right ears simply by changing the assembly of the ear hooking portion 20 and the external fitting holding portion 40.

  As shown in FIGS. 8A and 9, the insertion portion 47 is formed with a slit 47a in the axial direction from the tip portion, and a portion divided on both sides by the slit 47a is a plate. On the other hand, the through-hole 65a of the hollow cylindrical body 65 is engaged with the latch arm regardless of which direction the insertion portion 47 is inserted, as shown in FIG. 8B. It is formed to match. The engagement relationship can be easily released by inserting a tool or the like through the opening opposite to the insertion direction of the insertion portion 47 in the through-hole 65a and narrowing the slit 47a, and attaching and detaching the assembly. It is relatively easy to perform the replacement.

  Further, since the assembly can be freely attached to and detached from the through-hole 65a of the hollow cylinder 65, the headset can be attached to the ear using a headband 70 instead of the ear hook portion 20, as shown in FIG. There is an advantage that it is possible to cope with a case where the user is required to move violently and the ear hooking system cannot sufficiently hold the main body 10.

  Furthermore, in this embodiment, as shown in each drawing other than FIGS. 4, 5, and 7, in the vicinity of the front end of the side surface on which the earphone part (50, 50 a, 51) is formed in the housing of the main body part 10. A pad 80 made of a cushion member is attached. As shown in FIG. 3, the pad 80 is located near the cheek when the headset is worn on the user's ear, and when the main body 10 is vigorously tilted toward the ear during the wearing operation. When the main body 10 swings due to a large inertia force or moment of inertia acting in use, the main body 10 or the microphone 12 strikes the face by the pad 80 softly contacting the cheek. Can be prevented.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a headset that is attached to a user's ear and performs transmission / reception by a wireless communication method by arranging an earphone part at a position facing the ear hole and a microphone part near the mouth.

1 is an external perspective view of a headset according to an embodiment of the present invention (a view of a side surface on a side attached to an ear viewed from obliquely above). FIG. 1 is an external perspective view of a headset according to an embodiment of the present invention (a view of a side opposite to a side attached to an ear as viewed obliquely from above). It is a figure which shows the use condition of a headset. It is a disassembled perspective view for demonstrating the fitting mechanism of the ear hook part and the external fitting holding part of a coupling adapter (figure seen from diagonally upward on the external fitting holding part side). It is a disassembled perspective view for demonstrating the fitting mechanism of the ear hooking part and the external fitting holding | maintenance part of a coupling adapter (the figure seen from the diagonally upper part by the side of an ear hooking part). It is the front view which shows the rotation state of the coupling adapter with respect to an ear hook part, and a main-body part, and a cross-sectional view of an external fitting holding | maintenance part, (A) is a mounting state (locked state), (B) is a state before mounting ( Unlocked state). It is a disassembled perspective view for demonstrating the fitting mechanism of the earphone part by the side of a main-body part, and the external fitting holding part by the side of a coupling adapter, (A) is the figure seen from the diagonally upper part by the side of a main-body part, (B ) Is a view seen from diagonally above on the opposite side. (A) is an external perspective view showing a state (in the case of a headset for wearing the left ear) in which the assembly on the side of the ear hook including the outer fitting holding part is attached to and detached from the main body, and (B) is a hollow cylinder It is sectional drawing which shows the state by which the insertion part was inserted in the through-hole of a body. It is an external appearance perspective view which shows the state (in the case of the headset for right ear mounting | wearing) which attaches / detaches the assembly by the side of the ear hook part including an external fitting holding | maintenance part with respect to a main-body part. It is an external appearance perspective view (the figure which looked at the side by the side of wearing to an ear from the slanting upper part) of the headset for right ear wearing. FIG. 3 is an external perspective view of a headset when a headband is used instead of the ear hook (a view of the side opposite to the side attached to the ear as viewed obliquely from above). It is a block diagram of the headset which concerns on a prior art.

Explanation of symbols

10 ... Body part, 11 ... Tubular rod, 12 ... Microphone part, 13 ... Push button switch, 20 ... Ear hook part, 21 ... End part, 22 ... Connecting shaft part, 23 ... Small diameter section, 24a, 24b ... Large diameter section 25a, 25b ... plane part, 26 ... short axis, 30 ... coupling adapter, 40 ... external fitting holding part, 41 ... hole, 42, 43 ... stopper, 44 ... hole, 45 ... elastic piece, 45a, 45b ... plate part , 46 ... Connecting rod part, 47 ... Insertion part, 47a ... Slit, 50 ... Speaker element, 50a ... Hollow cylindrical part, 50b ... Convex part, 51 ... Speaker housing, 52 ... Flange part, 53 ... Hollow cylindrical part, 54 ... Small holes, 55 ... Triangular teeth, 56 ... Grooves, 57 ... Circumferential recesses, 60 ... Outer fitting holding parts, 61 ... Latches, 62 ... Slits, 63 ... Lever, 64 ... Projections, 65 ... Hollow cylinders, 65a ... Through hole, 70 ... headband, 80 ... pad, 90 ... auricle.

Claims (5)

It has a wireless communication system transmission / reception function and is attached to the user's ear by hooking a curved rod-shaped ear hook part from the upper side of the auricle along the back, and the earphone part is opposed to the ear hole In the headset that is used by placing the microphone part near the mouth,
The transmitter / receiver function, an electric circuit required for controlling the speaker and a speaker element are incorporated in a casing, and an earphone portion is formed as a short cylindrical protruding portion on a side surface of the casing. A main body provided with a microphone at the tip of a tubular rod standing on the front end surface of
An ear hook part in which a connecting shaft part is continuously formed in a direction that becomes the horizontal / front direction in the hooked state on the upper end part in the hooked state on the auricle,
A first holding part that rotatably fits and holds the earphone part of the main body part; and a second holding part that rotatably fits and holds the connecting shaft part of the ear hook part. A coupling adapter that couples the part and the ear hook part,
The fitting mechanism between the first holding part of the coupling adapter and the earphone part of the main body part is a first lock mechanism that elastically locks the earphone part at a certain rotation angle and a disconnection from the earphone part. A stop mechanism,
The fitting mechanism between the second holding portion of the coupling adapter and the connecting shaft portion of the ear hooking portion is configured so that the connecting shaft portion is in a state where the ear hook portion forms an angle in use with respect to the main body portion. A headset comprising: a second lock mechanism for elastically locking; and a retaining mechanism for the connecting shaft portion.   The first locking mechanism forms a wave-like unevenness that is continuous at a predetermined pitch in the circumferential direction on the outer peripheral surface of the earphone unit, and an inner latch that meshes with the wave-shaped unevenness on the inner peripheral surface of the first holding unit. The headset according to claim 1, which is a mechanism that is elastically biased in a direction.   The second locking mechanism forms a partial section of the connecting shaft portion of the ear hook portion with a smaller diameter than the other sections, and forms both side portions of the small diameter section as parallel planes. 2. The holding unit is a mechanism in which the connecting shaft portion is pivotally supported in a large-diameter section, and both planar portions of the small-diameter section of the connecting shaft portion are sandwiched by elastic pieces having a U-shaped cross section inserted from the outside. The headset according to claim 1 or claim 2.   4. The headset according to claim 1, wherein a pad made of a cushion member is attached to a region near a front end of a side surface on which the earphone portion is formed in the housing of the main body portion. The coupling adapter is configured so that the second holding part can be attached to and detached from the first holding part,
A hollow cylinder having a through hole other than a circle formed at a side position of the first holding part is attached so that the axial direction thereof is parallel to the transverse section of the earphone part, and the second holding The hollow cylindrical body is penetrated in an angle direction perpendicular to the axis of the external fitting hole with respect to the connecting shaft portion of the ear hook portion and in an angle direction formed by the ear hook portion in a locked state by the second lock mechanism. There is an insertion part that fits inside the hole,
Even if the insertion portion fits into the through hole from any direction between the insertion portion of the second holding portion and the through hole of the hollow cylindrical body, the insertion portion is elastically locked. The headset according to claim 1, 2, 3, or 4, further comprising a detachable mechanism capable of releasing the locked state by manual operation.

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