JP4428089B2 - Speaker device - Google Patents

Description

  The present invention relates to a speaker device used in electronic devices such as an electronic dictionary and a PDA (Personal Digital Assistant).

  For example, in an electronic dictionary, a lower case having a key input part and a speaker part and an upper case having a display part are rotatably attached by a hinge part, and the upper case and the lower case are rotated and closed. Since the case and the lower case overlap each other, the case can be carried compactly, and when the upper case and the lower case are rotated and opened, the display part of the upper case and the key input part and the speaker part of the lower case There are those that can be used satisfactorily by exposing each.

In such an electronic dictionary, in order to improve the input operability of the key input unit and the sound quality of the speaker unit, an intermediate case is provided between the upper case and the lower case, and the key input unit and the speaker unit are provided in the intermediate case. The upper case and the lower case are opened when used, and the middle case is arranged so as to be inclined above the lower case.
Japanese Patent Laid-Open No. 2002-082739

  However, in the conventional electronic dictionary, when the upper case and the lower case are opened, the middle case is disposed to be inclined above the lower case, thereby improving the input operability of the key input unit. The sound space can be improved to some extent by forming a wide resonance space on the back side of the speaker unit. However, since the speaker unit is fixed to the middle case, the speaker unit is attached to the lower case by the inclination angle of the middle case. The speaker unit cannot be tilted with respect to the lower case according to the volume of the speaker unit. For this reason, there is a problem in that the volume and sound quality of the speaker unit cannot be adjusted to the optimum state according to the user's request, and the volume and sound quality of the speaker unit cannot be maximized in the optimum state. .

  Further, in such a conventional electronic dictionary, the speaker unit and the volume switch are configured separately and are arranged at different positions, so that a space for mounting the speaker unit and the volume switch separately is reduced in advance. It is necessary to secure the case. For this reason, the speaker unit and the volume switch are restricted by the mounting space, and not only the appearance and the design are restricted, but also there is a problem that the entire device is enlarged.

A first problem to be solved by the present invention is to provide a speaker device capable of maximizing the volume and sound quality of a speaker unit in an optimum state according to a user's request.
A second object of the present invention is to provide a speaker device in which a speaker unit and a volume switch are integrated to reduce restrictions on mounting space and appearance, and the entire device can be made compact. .

In order to solve the above problems, the present invention includes the following components.
In addition, the reference numerals of the drawings attached to the respective elements described in the section of each embodiment described later are attached to the respective constituent elements together with parentheses.
As shown in FIGS. 1 to 9, the invention described in claim 1 includes a main body case (first case 2), a speaker portion (11) disposed on the main body case so as to be inclined and can be overlaid, and the main body. a volume switch (15) which is provided to adjust the volume of the speaker unit to the casing, and a linkage mechanism for defeat tilting cross the speaker unit in conjunction with the volume control of the volume switch (20), said interlocking mechanism (20) is a rotating body (gear 22) that rotates according to the volume adjustment operation of the volume switch (15), and a moving support body that moves the rotating body in the vertical direction according to the rotating operation of the rotating body ( 23), and the rotating body causes the speaker section (11) to incline and lie down in accordance with the movement of the rotating body in the vertical direction by the moving support body .

  As shown in FIGS. 1 to 9, the volume control operation of the volume switch (15) is performed when the interlock mechanism (20) increases the volume of the speaker unit (11). The speaker device according to claim 1, wherein an inclination angle of the speaker unit is gradually increased according to the frequency.

In the third aspect of the present invention, as shown in FIGS. 1 to 9, a part of the volume switch (15) protrudes outward from the side surface of the main body case (first case 2), and the speaker unit (11 ) is a speaker apparatus according to claim 1 or 2, characterized in that it is arranged in correspondence with the volume switch in the vicinity of the side surface of the main body case.

According to a fourth aspect of the invention, as shown in FIGS. 1 to 20, wherein the body case (1) has a by a hinge portion (4) the first case (2) and the second case overlap each other (3) The speaker portion (11) is provided in one case (first case 2) of the first and second cases, and the speaker portion is provided in the other case (second case 3). a speaker apparatus according to any one of the suction member to be attracted to the magnetic force (magnetic 25) according to claim 1 to 3, characterized in that provided corresponding to the speaker unit.

According to the first aspect of the present invention, the speaker unit is disposed in the main body case so that the speaker unit can be inclined and laid down, and the main body case is provided with a volume switch for adjusting the volume of the speaker unit. Since the interlocking mechanism tilts the speaker part sideways, the interlocking mechanism automatically tilts the speaker part with respect to the main body case according to the volume adjustment just by adjusting the volume of the speaker part by operating the volume switch. Accordingly, the volume and sound quality of the speaker unit can be maximized in an optimum state according to the user's request. Further, since the interlocking mechanism includes a rotating body that rotates according to the volume adjustment operation of the volume switch and a moving support body that moves the rotating body in the vertical direction according to the rotation of the rotating body, When the rotating body is rotated in accordance with the volume adjustment operation, the moving support body moves the rotating body in the vertical direction according to the rotation of the rotating body, and the speaker unit is tilted horizontally by moving the rotating body in the vertical direction. Can be defeated. For this reason, the speaker unit can be reliably and optimally tilted according to the volume adjustment operation of the volume switch, and the interlocking mechanism has a structure including only the rotating body and the moving support body. There are few, a structure is simple, and an inexpensive thing can be obtained.

  According to the second aspect of the present invention, since the interlocking mechanism gradually increases the inclination angle of the speaker unit in response to the volume adjustment operation of the volume switch when the volume of the speaker unit is increased, the volume of the speaker unit is increased. The angle of inclination of the speaker unit is increased, and as a result, the resonance space on the back side of the speaker unit can be widened, and the directivity of sound from the speaker unit can be increased. The sound volume and sound quality can be further maximized in an optimal state.

According to the invention described in claim 3 , since a part of the volume switch protrudes from the side surface of the main body case, the volume switch can be easily and reliably operated from the outside of the main body case. The volume and sound quality of the speaker unit can be easily and satisfactorily adjusted, and the speaker unit is arranged in the vicinity of the side surface of the main body case corresponding to a part of the volume switch, so that the entire apparatus is configured compactly. be able to.

According to the invention described in claim 4 , the first case and the second case in which the main body case overlaps each other are rotatably attached by the hinge portion, and one of the first and second cases is attached to one case. Since the speaker portion is provided and the suction member attracted by the magnetic force of the speaker portion is provided in the other case so as to correspond to the speaker portion, when the first and second cases are rotated and closed around the hinge portion, the speaker The first and second cases can be sucked and securely closed by the magnetic force of the part and the magnetic force of the suction member, so that the first and second cases can be prevented from being opened without permission when carried. You can get something safe and easy to use.

(Embodiment 1)
A first embodiment in which the speaker device of the present invention is applied to an electronic dictionary will be described below with reference to FIGS.
FIG. 1 is a plan view showing a state in which the electronic dictionary of the present invention is opened and used, FIG. 2 is a side view partly broken in a state in which the electronic dictionary is closed, and FIG. 3 is an enlarged plan view showing the main part of FIG. is there.
The electronic dictionary includes a main body case 1 as shown in FIGS. The main body case 1 includes first and second cases 2 and 3 that overlap each other, and the first case 2 and the second case 3 are attached to each other by a hinge portion 4 so as to be opened and closed.

  As shown in FIG. 1, the first case 2 is formed in a horizontally long substantially flat plate shape. A keyboard portion 5 having various keys such as numeric key cursor keys and function keys is provided on the upper surface of the first case 2 facing the second case 3. Are provided with speaker devices 6 to be described later. The second case 3 has the same size as the first case 2 and is formed in a horizontally long substantially flat plate shape. A display unit 7 is provided on the lower surface of the second case 3 facing the first case 2. The display unit 7 includes a flat display element such as a liquid crystal display element or an EL display element (electroluminescence display element).

  The speaker device 6 includes a speaker case 8 as shown in FIGS. As shown in FIG. 3, the speaker case 8 is disposed so as to be inclined and can be laid down in speaker storage portions 9 provided at the respective corners on both sides of the front surface of the first case 2. That is, as shown in FIGS. 3 and 5, the speaker case 8 has one end portion (the left end portion in FIG. 5) on the front side thereof that can be turned up and down in the speaker housing portion 9 by the turning shaft 10. It is attached. As shown in FIGS. 3 to 6, a speaker unit 11 is provided inside the speaker case 8. The speaker unit 11 includes a magnet unit 12 and a cone unit 13, and is electrically connected to a circuit board 14 disposed in the first case 2 through a rotation shaft 10 by a connection line (not shown). Yes.

  Further, the speaker device 6 includes a volume switch 15 as shown in FIGS. The volume switch 15 includes a rotary dial 16 and a substrate-like detection unit 17 that detects the amount of rotation of the rotary dial 16, and is disposed in the first case 2 near the lower side of the speaker storage unit 9. . That is, as shown in FIGS. 4 and 8, the volume switch 15 is provided with a support shaft 18 on the detection unit 17 provided on the circuit board 14 in the first case 2, and rotates on the support shaft 18. The dial 16 is rotatably supported, and the volume of the speaker unit 11 is adjusted by detecting the amount of rotation of the rotary dial 16 by the detection unit 17 in this state.

  In this case, as shown in FIGS. 3 and 4, the rotary dial 16 has a slit-like opening 19 formed on the side surface of the first case 2 located in the vicinity of the speaker housing portion 9 in which the speaker case 8 is disposed. A part of the rotary dial 16 protrudes to the outside of the first case 2, and is configured to rotate about the support shaft 18 of the detection unit 17 by operating the protruding part. As shown in FIGS. 8 and 9, the detection unit 17 includes a substantially ring-shaped fixed electrode 17 a on the upper surface facing the rotary dial 16, and a movable electrode 17 b on the lower surface of the rotary dial 16. When the movable electrode 17b moves while contacting the fixed electrode 17a, the amount of rotation of the rotary dial 16 is detected by the contact position of the movable electrode 17b with respect to the fixed electrode 17a. The fixed electrode 17a and the movable electrode 17b are electrically connected to the circuit board 14, respectively.

  Furthermore, as shown in FIGS. 4 to 7, the speaker device 6 includes an interlocking mechanism 20 that tilts and tilts the speaker case 8 in accordance with the amount of rotation of the rotary dial 16. The interlocking mechanism 20 includes a gear portion 21 formed on the outer peripheral surface of the rotary dial 16 of the volume switch 15, a gear 22 that rotates in response to a volume adjustment operation of the rotary dial 16 while meshing with the gear portion 21, and A movable support 23 is provided for rotatably supporting the gear 22 and for moving the gear 22 in the vertical direction as the gear 22 rotates. In this case, the upper end portion of the gear 22 is in contact with the lower end surface of the speaker case 8 through the opening 9 a of the speaker housing portion 9.

  As shown in FIGS. 4 to 7, the movable support body 23 is formed in a cylindrical shape, and the support boss 24 is fitted in a state where the support boss 24 provided at the bottom portion in the first case 2 is fitted in the center portion thereof. It is fixed to. As shown in FIG. 7, a screw portion 23 a is formed on the outer peripheral surface of the moving support member 23, and a screw hole 22 a that engages with the screw portion 23 a of the moving support member 23 is formed at the center portion of the gear 22. Is formed.

  As a result, when the gear 22 rotates in accordance with the volume adjustment operation of the rotary dial 16, the gear 22 moves in the vertical direction along the screw portion 23 a of the moving support 23 along with the rotation, and the opening portion 9 a of the speaker housing portion 9. By moving the speaker case 8 up and down through the speaker case 8, the speaker case 8 is rotated about its rotation shaft 10, and the speaker unit 11 is inclined and laid down together with the speaker case 8.

  By the way, magnets 25 are respectively provided at the corners on both sides in the second case 3 corresponding to the speaker device 6 of the first case 2 so as to correspond to the speaker units 11 on both sides. These magnets 25 are attracted to the magnet portion 12 of the speaker portion 11 provided in the speaker case 8 of the first case 2 so as to close the first case 2 and the second case 3 in close contact with each other. It is configured.

  According to such an electronic dictionary, the speaker case 8 of the speaker device 6 is housed in the speaker housing portion 9 of the first case 2, and the first case 2 and the second case 3 are connected to the hinge shaft 4 in this state. When the first case 2 and the second case 2 and 3 are overlapped with each other, the first and second cases 2 and 3 overlap each other. At this time, the magnet portion 12 of the speaker portion 11 provided in the speaker case 8 of the first case 2 and the magnet 25 provided in the second case 3 are attracted to each other by the magnetic force. 2 Cases 2 and 3 can be closed securely.

  For this reason, the first and second cases 2 and 3 can be prevented from being opened without permission when being carried, and thus can be carried safely. In this case, a magnet dedicated to the first case 2 is obtained by using the magnet portion 12 of the speaker portion 11 disposed on the first case 2 side as a magnet to which the magnet 25 of the second case 3 is attracted. Since there is no need to provide it, the number of parts can be reduced and the entire device can be made compact.

  In addition, when using this electronic dictionary, against the attractive force caused by the magnetic force between the magnet portion 12 of the speaker portion 11 disposed on the first case 2 side and the magnet 25 provided on the second case 3, When the first and second cases 2 and 3 are opened by rotating about the hinge shaft 4, the keyboard portion 5 and the speaker device 6 of the first case 2 are exposed as shown in FIG. The display unit 7 of the 2 case 3 is exposed, so that the key input operation can be performed with the keyboard unit 5 while the information displayed on the display unit 7 is viewed, and the sound can be heard with the speaker device 6.

  At this time, the volume of the speaker unit 11 can be adjusted by operating the volume switch 15 of the speaker device 6. For example, when the volume of the speaker unit 11 is increased, when the rotary dial 16 of the volume switch 15 is rotated in the direction of the arrow X shown in FIG. 3, the volume of the speaker unit 11 is increased and as shown in FIG. The gear 22 meshing with the gear portion 21 of the rotary dial 16 rotates, and the gear 22 moves upward along the screw portion 23a of the moving support 23 screwed into the screw hole 22a as the gear 22 rotates. Therefore, the gear 22 pushes up the speaker case 8 through the opening 9 a of the speaker housing 9.

  For this reason, as shown in FIG. 5, the speaker case 8 rotates upward about the rotation shaft 10, and the speaker unit 11 stands up together with the speaker case 8 in the speaker storage unit 9. As a result, the speaker unit 11 can be inclined according to the volume adjustment operation of the volume switch 15, so that a resonance space can be widely formed on the back side of the speaker unit 11, and the volume of the speaker unit 11 can be increased by this resonance space. The sound quality can be improved, and the directivity of the sound from the speaker unit 11 can also be improved by tilting the speaker unit 11 according to the volume adjustment operation of the volume switch 15.

  Thereby, according to a user's request, the volume of the speaker part 11 and a sound quality can be raised to the maximum in the optimal state. Further, in order to reduce the volume of the speaker unit 11, when the rotary dial 16 of the volume switch 15 is rotated in the direction of the arrow Y shown in FIG. 23, and the inclination of the speaker case 8 is reduced, so that the volume and sound quality of the speaker unit 11 can be further reduced.

  As described above, according to this electronic dictionary, the interlock mechanism 20 automatically tilts the speaker case 8 simply by operating the rotary dial 16 of the volume switch 15 and adjusting the volume of the speaker unit 11. The speaker unit 11 can be tilted to an optimum state in accordance with the volume adjustment operation according to the above, whereby the volume and sound quality of the speaker unit 11 can be maximized in an optimum state according to the user's request. In this case, since the interlocking mechanism 20 has a structure including only the gear 22 and the moving support 23, the number of parts is small, the structure is simple, and an inexpensive one can be obtained.

  Further, since a part of the rotary dial 16 of the volume switch 15 protrudes outside from the slit-shaped opening 19 provided on the side surface of the first case 2, the rotary dial 16 of the volume switch 15 is connected to the first case 2. It can be easily and reliably operated from the outside, whereby the volume and sound quality of the speaker unit 11 can be adjusted easily and satisfactorily. And since the speaker case 8 is arrange | positioned in the vicinity of the side surface of the 1st case 2 corresponding to a part of rotation dial 16 which protrudes from the side surface of the 1st case 2, the whole apparatus can be comprised compactly, Thereby, a user-friendly product can be obtained.

(Embodiment 2)
Next, a second embodiment in which the speaker device of the present invention is applied to an electronic dictionary will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected and demonstrated to the same part as Embodiment 1 shown by FIGS.
The electronic dictionary includes a speaker unit 31 in which speaker devices 30 arranged at both side corners on the front side of the first case 2 have a built-in speaker unit 11 and are rotatably arranged in the first case 2. The structure is provided with a detection unit 32 that detects the rotation amount of the speaker unit 31. Except for this, the structure is substantially the same as that of the first embodiment.

  That is, in the speaker device 30, as shown in FIG. 14, the speaker unit 31 is rotatably attached to the detection unit 32, and the detection unit 32 is provided on the circuit board 12 in the first case 2. It is configured. The speaker unit 31 houses the speaker unit 11 in a speaker case 31a formed in a hollow disk shape, and can rotate with respect to the detection unit 32 in a state where the speaker case 31a is disposed in the first case 2. Is arranged.

  Further, the speaker unit 31 is provided with an uneven groove 31b for preventing slippage on the outer peripheral surface of the speaker case 31a, and a part of the speaker unit 31 is exposed to the outside from the slit-shaped opening 19 provided on the side surface of the first case 2. It protrudes and it is comprised so that it may rotate by operating this protruding part. As shown in FIG. 14, the detection unit 32 includes a disk-shaped movable substrate 33 provided on the lower surface of the speaker unit 31, and a fixed substrate 34 provided on the circuit board 12 in the first case 2. The movable substrate 33 is rotatably attached to a support shaft 34a provided on the fixed substrate 34, and the movable substrate 33 is configured to rotate together with the speaker unit 31 in this state.

  In this case, a substantially ring-shaped fixed electrode 17a (see FIG. 9) is provided on the upper surface of the fixed substrate 34 as in the first embodiment, and the lower surface of the movable substrate 33 is in contact with the fixed electrode 17a. A movable electrode 17b (see FIG. 9) is provided. As a result, the detection unit 32 moves the movable electrode 17b in contact with the fixed electrode 17a in accordance with the rotation of the speaker unit 31, so that the rotation amount of the speaker unit 31 depends on the contact position of the movable electrode 17b with respect to the fixed electrode 17a. Is detected and the volume of the speaker unit 11 is adjusted.

  Further, in the speaker unit 31, the outer peripheral surface of the speaker case 31 a located on the back side (left side in FIG. 14) in the first case 2 is in contact with the position restricting portion 35 provided on the inner surface of the first case 2. A part of the outer peripheral surface of the movable substrate 33 provided on the lower surface of the unit 31 comes into contact with the position restricting portion 36 provided at the edge of the opening 19 of the first case 2, and in this state, the first case 2 enters the first case 2. It is arranged so that it can rotate. Thereby, the speaker unit 31 is configured to come into contact with the position restricting portions 35 and 36 to be restricted, and thus the speaker unit 31 is not arbitrarily rotated.

  Further, as shown in FIGS. 10 and 12, a large number of sound emitting holes 37 are provided on the upper surface of the first case 2 where the speaker device 30 is provided. Further, as shown in FIG. 13, the earphone connecting portion 38 is provided in the vicinity of the opening 19 provided on the side surface of the first case 2 on the side surface of the first case 2. A changeover switch 39 for switching between a speaker function and an earphone function is provided on the lower surface of the first case 2 that is positioned. As in the first embodiment, magnets 25 are provided at the front corners of the second case 3 so as to correspond to the speaker unit 11 of the speaker unit 31.

  In such an electronic dictionary speaker device 30, a speaker unit 31 having a built-in speaker unit 11 is rotatably arranged in the first case 2, and a part of the speaker unit 31 is a side surface of the first case 2. The speaker unit 31 can be rotated by operating a portion protruding to the outside of the speaker unit 31, and the rotation amount of the speaker unit 31 can be detected. By detecting at 32, the volume of the speaker unit 11 can be adjusted.

  In this case, the speaker unit 31 with the built-in speaker unit 11 functions as a dial for adjusting the volume, and the speaker unit 31 is rotatably disposed on the detection unit 32 that detects the rotation amount. The speaker unit 11 and the detection unit 32 for adjusting the volume can be integrated. For this reason, since it is not necessary to separately mount the speaker unit 11 and the volume switch as in the conventional example, the mounting space of the entire speaker device 30 can be reduced, and there are few restrictions on the appearance and design, and the device Overall compactness can be achieved.

  Further, in this speaker device 30, a part of the speaker unit 31 protrudes from the opening 19 provided on the side surface of the first case 2, so that even if the entire device is configured compactly, The part protruding to the outside can be easily and reliably rotated from the outside of the first case 2, whereby the volume of the speaker unit 11 can be adjusted easily and satisfactorily.

  At this time, since the speaker unit 31 rotates in a position-restricted state in contact with the position restricting portions 35 and 36 provided in the first case 2, the speaker unit 31 is adjusted without being arbitrarily rotated. The volume of the state can be maintained, and a user-friendly one can also be obtained. Further, since the concave / convex groove 31b for preventing slippage is provided on the outer peripheral surface of the speaker unit 31, the speaker unit 31 can be satisfactorily and reliably provided even if the speaker unit 31 is in contact with the position restricting portions 35 and 36. Can be rotated.

  Also in this case, when the first and second cases 2 and 3 are closed, the magnet portion 12 of the speaker portion 11 provided in the speaker unit 31 of the first case 2 and the magnet 25 provided in the second case 3. Are attracted to each other by the magnetic force, the first and second cases 2 and 3 can be reliably closed as in the first embodiment, and can be safely carried. Further, the magnet part 12 of the speaker unit 11 in the speaker unit 31 disposed on the first case 2 side is used as a magnet for attracting the magnet 25 of the second case 3, so that the magnet is dedicated to the first case 2. Since it is not necessary to provide the magnet, the number of parts can be reduced, and this also makes it possible to reduce the size of the entire apparatus.

(Embodiment 3)
Next, a third embodiment in which the speaker device of the present invention is applied to an electronic dictionary will be described with reference to FIGS. In this case, the same reference numerals are given to the same portions as those in the second embodiment shown in FIGS.
In this electronic dictionary, the speaker device 40 located on the right side of the speaker devices 30 arranged on both front sides of the first case 2 has a structure different from that of the second embodiment, and other than that, the electronic dictionary has almost the same structure as that of the second embodiment. ing.

  That is, the speaker device 40 includes a slide mechanism 41 that slidably holds the rotatable speaker unit 31, a changeover switch 42 that switches between a speaker function and an earphone function according to the slide of the speaker unit 31, and the speaker unit 11. A volume fixing switch 43 for fixing the volume and an urging mechanism 44 for urging the speaker unit 31 in the direction to push out the speaker unit 31 from the first case 2 are provided.

  In this case, as in the second embodiment, the speaker unit 31 is provided with a speaker unit 11 inside a speaker case 31a formed in a hollow disk shape, and is rotatably disposed in the first case 2 in this state. The amount of rotation is configured to be detected by the detection unit 32. Further, as shown in FIGS. 17 and 18, the detection unit 32 is provided on the disc-shaped movable substrate 33 rotatably disposed on the lower surface of the speaker unit 31 and the circuit substrate 14 in the first case 2. The movable substrate 33 is slidably disposed on the fixed substrate 34 by a slide mechanism 41 described later.

  That is, as shown in FIGS. 18 and 19, the detection unit 32 has a speaker unit 31 rotatably attached to a rotating shaft 45 provided on the upper surface of the movable substrate 33, and the upper surface of the movable substrate 33, that is, the speaker. A substantially ring-shaped fixed electrode 33a is provided on the upper surface facing the unit 31, and a movable electrode 33b that moves while contacting the fixed electrode 33a is provided on the lower surface of the speaker unit 31, and a speaker for the fixed electrode 33a of the movable substrate 33 is provided. The rotation amount of the speaker unit 31 is detected from the contact position of the movable electrode 33b of the unit 31, and the volume of the speaker unit 11 is adjusted.

  As shown in FIGS. 17 and 18, the slide mechanism 41 is provided with a guide shaft 46 on the upper surface of the fixed substrate 34 of the detection unit 32 provided on the circuit board 14 in the first case 2. Is movably inserted into a guide groove 47 provided on the lower surface of the movable substrate 33. In this state, the guide shaft 46 moves relatively along the guide groove 47, and the movable substrate 33 slides on the fixed substrate 34. By doing so, the speaker unit 31 is configured to slide in the direction of the first case 2.

  As shown in FIGS. 18 and 20, the changeover switch 42 has two fixed electrodes 34a provided on the fixed substrate 34 and one movable electrode 34b provided on the lower surface of the movable substrate 33. When the movable substrate 33 slides according to the sliding operation of the unit 31, the movable electrode 34b of the movable substrate 33 comes into contact with one of the two fixed electrodes 34a of the fixed substrate 34, so that the speaker function and the earphone function are achieved. It is configured to switch.

  That is, when the speaker unit 31 protrudes the most from the opening 19 of the first case 2, the changeover switch 42 contacts the fixed electrode 34a located on the right side as shown in FIG. When the speaker unit 31 is pushed most into the opening 19 of the first case 2, the movable electrode 34 b comes into contact with the fixed electrode 34 a located on the left side and switches to the earphone function. Yes.

  As shown in FIG. 18, the volume fixing switch 43 is provided on the fixed substrate 34 of the detection unit 32, and when the speaker unit 31 is pushed into the first case 2 from the opening 19 of the first case 2. In addition, it is configured to be turned on by being pushed by the movable substrate 33, thereby electrically fixing the volume adjusted by the rotation operation of the speaker unit 31. Further, the volume fixing switch 43 is turned off when the speaker unit 31 is pushed out from the opening 19 of the first case 2 to the outside, and the movable substrate 33 is turned off. It is configured to release.

  As shown in FIG. 17, the urging mechanism 44 includes an auxiliary gear 49 that rotates in mesh with a gear portion 48 provided on the outer peripheral surface of the speaker unit 31, and a support shaft 50 that rotatably supports the auxiliary gear 49. And a coil spring 51 that urges the support shaft 50. The support shaft 50 is provided in the first case 2 so as to be slidable along the sliding direction of the speaker unit 31, and the speaker unit 31 is directed from the opening 19 of the first case 2 into the first case 2. It is configured to be locked by a self-locking mechanism (not shown) when pushed.

  In addition, the coil spring 51 is disposed between the fixing member 52 provided in the first case 2 and the support shaft 50, and supports the speaker unit 31 in a direction in which the speaker unit 31 is pushed out of the first case 2 in this state. The shaft 50 is configured to be biased. The self-locking mechanism locks the support shaft 50 with respect to the first case 2 when the speaker unit 31 is pushed into the first case 2, and when the speaker unit 31 is pushed again in this state, The support shaft 50 is configured to be unlocked.

  According to such an electronic dictionary, in addition to the same effects as those of the second embodiment, the speaker device 40 includes the slide mechanism 41 that holds the speaker unit 31 slidably in the direction in which the first case 2 protrudes and retracts. Therefore, when the speaker unit 11 is not used, the speaker unit 31 can be pushed into the first case 2 by the slide mechanism 41 and housed therein.

  In this case, since the speaker device 40 includes the urging mechanism 44, the speaker unit 31 can be appropriately pushed out by the urging mechanism 44 even if the speaker unit 31 is pushed into the first case 2. Therefore, when the speaker unit 11 is used, the speaker unit 31 can be protruded from the first case 2, so that the sound of the speaker unit 11 can be heard satisfactorily and the volume of the speaker unit 11 can be freely set at any time. Can be adjusted.

  Moreover, according to the speaker device 40 of this electronic dictionary, since the changeover switch 42 for switching between the speaker function and the earphone function according to the slide of the speaker unit 31 is provided, the speaker function can be obtained by simply sliding the speaker unit 31. The earphone function can be switched easily and easily. For example, when the speaker unit 31 is pushed in, the function is switched to the earphone function so that sound can be heard with the earphone. When the speaker unit 31 is pushed out, the function is switched to the speaker function.

  As a result, the speaker function and the earphone function can be easily switched, and the sound can be heard satisfactorily by either the speaker unit 11 or the earphone, thereby obtaining a user-friendly one. In this case, the changeover switch 42 is composed of a fixed electrode 34 a provided on the fixed substrate 34 of the detection unit 32 and a movable electrode 34 b provided on the movable substrate 33 of the detection unit 32. Can be configured integrally with the detection unit 32. For this reason, even if this speaker apparatus 40 is provided with the changeover switch 42, it can be comprised compactly.

  Further, in this electronic dictionary, since the speaker device 40 includes the volume fixing switch 43, when the speaker unit 31 is slid and pushed in with the volume of the speaker unit 11 adjusted by rotating the speaker unit 31, The volume fixing switch 43 can be turned on to electrically fix the volume of the speaker unit 11. As a result, the volume of the speaker unit 11 can be maintained in an optimum state, so that the speaker unit 11 does not inadvertently generate a loud sound, and the sound of the speaker unit 11 can be satisfactorily heard at the same volume at any time. This makes it easy to use.

  Also in this case, when the first and second cases 2 and 3 are closed, the magnet portion 12 of the speaker portion 11 provided in the speaker unit 31 of the first case 2 and the magnet 25 provided in the second case 3. Are attracted to each other by the magnetic force thereof, the first and second cases 2 and 3 can be reliably closed as in the second embodiment, and can be safely carried.

  In the first to third embodiments, when the first and second cases 2 and 3 are closed, the magnet portion 12 of the speaker portion 11 and the second case 3 provided in the speaker unit 31 of the first case 2 are closed. However, the present invention is not limited to this. For example, by using a Hall element instead of the magnet 25 of the second case 3, The opening / closing operation of the first and second cases 2 and 3 may be detected to turn the power on and off.

  In the first to third embodiments, the case where the present invention is applied to an electronic dictionary is described as an electronic device. However, the present invention is not limited to this, and is widely applied to electronic devices such as personal digital assistants such as PDAs and notebook personal computers. Can be applied.

It is a top view of the state which opens and uses the electronic dictionary to which this invention is applied. (Embodiment 1) FIG. 2 is a partially cutaway side view showing a state in which the electronic dictionary of FIG. 1 is closed. It is the enlarged plan view which showed the principal part of FIG. It is an expanded sectional view in the AA arrow of FIG. It is sectional drawing of the state which the speaker case was pushed up and inclined in the BB arrow view of FIG. It is sectional drawing of the state which the speaker case was pushed up and inclined in the AA arrow view of FIG. It is the side view which expanded and showed the movement support body of FIG. It is the expanded sectional view which showed the volume switch of FIG. It is the top view which showed the relationship between the movable electrode of FIG. 8, and a fixed electrode. It is a top view of the state which opens and uses the electronic dictionary to which this invention is applied. (Embodiment 2) It is the partially broken side view which showed the state which closes the electronic dictionary of FIG. It is the enlarged plan view which showed the principal part of FIG. It is a side view of FIG. It is sectional drawing in CC arrow of FIG. It is the enlarged plan view which showed the principal part of the electronic dictionary to which this invention is applied. (Embodiment 3) FIG. 16 is a side view of FIG. 15. It is sectional drawing in the DD arrow of FIG. It is the expanded sectional view which showed the principal part of FIG. It is the top view which showed the relationship between the movable electrode and fixed electrode in the detection part of FIG. It is the top view which showed the relationship between the movable electrode and fixed electrode in the changeover switch of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body case 2 1st case 3 2nd case 4 Hinge part 5 Keyboard part 6, 30, 40 Speaker apparatus 7 Display part 8, 31a Speaker case 9 Speaker storage part 10 Rotating shaft 11 Speaker part 12 Magnet part 13 Cone part 14 Circuit board 15 Volume switch 16 Rotating dial 17, 32 Detector 18 Support shaft 19 Opening 20 Linking mechanism 21 Gear part 22 Gear 23 Moving support 25 Magnet 31 Speaker unit 33 Movable board 34 Fixed board 41 Slide mechanism 42 Changeover switch 43 Volume Fixed switch 44 Energizing mechanism

Claims (4)

A body case,
A speaker unit disposed in the main body case so as to be inclined and laid down;
A volume switch provided on the main body case for adjusting the volume of the speaker unit;
An interlocking mechanism that tilts and tilts the speaker unit in conjunction with volume adjustment of the volume switch ,
The interlocking mechanism includes a rotating body that rotates according to a volume adjustment operation of the volume switch, and a moving support that moves the rotating body in the vertical direction according to a rotating operation of the rotating body. The speaker device is characterized in that the rotating body tilts the speaker unit in accordance with the movement of the rotating body in the vertical direction .   2. The speaker device according to claim 1, wherein the interlocking mechanism gradually increases an inclination angle of the speaker unit according to a volume adjustment operation of the volume switch when the volume of the speaker unit is increased. The volume switch has a part protruding from a side surface of the main body case to the outside, and the speaker unit is disposed in the vicinity of the side surface of the main body case so as to correspond to the volume switch. Or the speaker apparatus of 2 . The main body case includes a first case and a second case that are overlapped with each other so as to be rotatable by a hinge portion, and the speaker portion is provided in one of the first and second cases, and the other case. speaker according a suction member that is attracted to the magnetic force of the speaker unit to any one of claims 1 to 3, characterized in that provided corresponding to the speaker portion.

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