JP2004096289A - Sound magnifying mobile holder for mobile phone - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sound magnifying mobile holder whereby a user can hear a sound source of a mobile phone with an earphone while readily carrying the holder in one hand and which the user locates any time at a preferred place and uses as if to be an externally mounted speaker independently of a place in use. <P>SOLUTION: The sound magnifying mobile holder for mobile phones comprises: a thin case part the outer configuration of which is formed so that it is gripped by one hand as a whole; a support frame formed projected from the case part; and a pair of left and right speaker members provided on the case part. On the other hand, an internal circuit includes: a power supply in a power container part formed in the case part; an amplifier circuit operable with supply of power from the power supply, connected to the mobile phone freely removably fitted to and supported by the support frame via an electric connection means, and amplifying a sound received by the mobile phone through a sound signal line; a power switch electrically connected to the amplifier circuit; and a changeover switch for selecting whether the speaker members output the sound or the earphone outputs the sound. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a sound expansion portable holder for a portable telephone.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as an invention for expanding a sound source (voice) of a mobile phone, a sound expansion stand box for a mobile phone has been disclosed (described in JP-A-2002-171327). The problem of the embodiment described in this publication is that a mobile phone with a music distribution function can be used at home, in an office, in a car, or the like without using an earphone, and at the same time listening to dynamic and high-quality music from a dedicated stand box. Is to be able to do it. Therefore, the configuration of the sound-intensifying stand box is based on “a stationary box main body, a U-shaped holding frame protruding from the center of the front wall of the stationary box main body, and the holding frame as a reference. And a pair of left and right fixed speakers fixedly arranged on the front wall, and the box body incorporates an amplifier having a function of amplifying and expanding the sound of a speaker built in the mobile phone; A charging adapter terminal is provided on a holding frame portion provided on the front of the box body so that charging is performed when the mobile phone is set upright. "
[0003]
Certainly, this sound expansion stand box can be connected to an external speaker to the mobile phone and expand the sound source (voice, music) of the mobile phone, so that it is possible to listen to dynamic and high-quality music. There are advantages.
However, since this sound amplifying stand box has an external configuration based on a stationary box main body, there is a problem that it cannot be listened to with an earphone while being easily carried with one hand. In addition, although the internal circuit is simple and can charge a mobile phone, the stationary box body does not have a built-in power supply, so it can be used in a predetermined place (where a home AC power source is There is a problem that it can be used only in). Furthermore, since the pair of left and right speakers is fixed to the front of the box body, there is a problem that a sufficient sense of reality cannot be obtained.
[0004]
[Problems to be solved by the invention]
A first object of the present invention is to easily fit and hold or combine a sound-enlarged portable holder X and a portable telephone Y as a component, and to listen to the sound source of the portable telephone with an earphone while carrying it easily with one hand. Is to be able to do it. A second object is to be able to freely place it at a favorite place and use it immediately like an external speaker without being caught in a place where it is used. A third object is to provide a sufficient realism. A fourth object is to make it compact when not in use or when being carried. Another object (second embodiment) is that the mobile phone can be supplementarily charged by the built-in power supply of the case unit in the event of an emergency when the power of the mobile phone is cut off.
[0005]
[Means for Solving the Problems]
The sound enlarging portable holder for a mobile phone according to the present invention includes a thin case portion 1 formed such that the external configuration can be gripped by one hand as a whole, and holding frame portions 2 and 2 protruding from the case portion. It comprises a pair of left and right speaker members 10, 10 provided in the case portion. On the other hand, an internal electric circuit includes a power supply 16 in a power supply storage portion 15 formed in the case portion 1 and a supply of the power supply 16. , And connected to the mobile phone Y removably fitted and held in the holding frame portions 2 and 2 via the electrical connection means 22 and 23, and also receives the sound received by the mobile phone Y. , An amplifier circuit 21 for amplifying via a sound signal line, a power switch 4 electrically connected to the amplifier circuit 21, and a switch for selecting whether to output sound from the speaker member or from the earphone 24. A switch 19.
[0006]
In the above configuration, the speaker members 10, 10 have arms 12, 12 whose base ends are rotatably attached to support shafts 11, 11 provided at the left and right ends of the case 1, respectively. And speakers 13 and 13 provided at the free ends of the arm portions 12 and 12, respectively.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
1 to 6 are explanatory diagrams showing a first embodiment of the present invention. First, the external configuration of the sound enlarging portable holder X will be described with reference to FIGS. Here, “sound” refers to voice and / or music (including stored music) of the other party during reception by the mobile phone Y. The sound enlarging portable holder X of this embodiment can fit and hold a generally popular portable telephone Y as it is on the left and right sides of the thin case portion 1 that can be gripped by one hand as a whole. It has holding frame parts 2 and 2.
[0008]
That is, 1 is a thin case portion, and 2 is a holding frame portion for a mobile phone, which is symmetrically protruded along the side walls 1b, 1b at the left and right ends of the front wall 1a of the case portion, respectively. The front wall 1a of the case 2 has a slightly inverted trapezoidal shape as shown in FIG. 2, which corresponds to the cross-sectional shape of the mobile phone Y. Therefore, as long as the left and right holding frames 2, 2 can fit and support the mobile phone Y, the shape of the front wall 1a is not particularly limited, such as a circle, a hexagon, and a rhombus.
[0009]
As shown in FIG. 3, the left and right holding frame parts 2 and 2 are formed in the shape of hooks at the upper and lower ends facing inward, and have an arm shape from the portion near the upper end of the front wall 1a (or the side wall 1b) to the lower end thereof. It is connected to. The left and right ends of the upper wall 1c of the case 1 are notched symmetrically as shown in FIG. The distance between the upper ends of the holding frames 2 and 2 is gradually reduced toward the lower ends of the holding frames 2 and 2. This corresponds to the general shape of the mobile phone Y.
[0010]
An input terminal (jack) 3 is provided on the left side of the upper wall 1c of the case section 1, and a power switch 4 is provided on the right side.
As shown in FIG. 4, the rear wall 1d of the case portion 1 has cutouts 5 and 5 at the left and right upper ends similarly to the left and right ends of the upper wall 1c. The storage notches 6 and 6 are formed symmetrically so that the speakers 13 and 13 of the speaker members 10 and 10 to be described later can enter. Further, a lower end portion of the rear wall 1d is partially notched 8 in a lateral direction in consideration of a formation position of the earphone storage portion 7.
[0011]
Next, reference numeral 10 denotes a pair of left and right speaker members pivotally supported by the case so as to be freely opened and closed. As shown in FIGS. 2 and 4, these speaker members 10, 10 have long bases rotatably attached to support shafts 11, 11 provided at respective left and right ends of the case 1. Arms 12, 12 and speakers 13, 13 of the same form provided at the free ends of these arms 12, 12 so as to protrude inward.
[0012]
When the arms 12, 12 are aligned with the left and right side walls 1b, 1b of the case 1, respectively, as shown in FIG. 4, the speakers 13, 13 fit in the storage notches 6, 6 of the case 1. Fits. Reference numeral 18 denotes a volume control provided on one side wall 1b for adjusting the volume, and 19 denotes a changeover switch provided on the other side wall 1b for changing the sound output.
[0013]
Next, reference numeral 15 denotes a storage section for the power supply 16 formed in the center of the case section 1, and an opening / closing lid 17 is detachably attached to the power supply storage section 15.
[0014]
Next, an internal electric circuit will be described with reference to FIG. As described above, 16 is a power supply, 4 is a power switch, 20 is a circuit board, 21 is an amplifying circuit provided on the circuit board, 13 and 13 are a pair of left and right speakers electrically connected to the amplifying circuit 21, 22. Is a plug provided at the distal end of a flexible cable 23 electrically connected to the amplifier circuit 21 via the input terminal 3, 18 is a volume electrically connected to the amplifier circuit 21, and 19 is a speaker for outputting sound. Or a changeover switch for selecting whether to take out from the earphone 24. Note that the flexible cable 23 having the plug 22 is merely an example of an electrical connection unit that is detachably connected to the mobile phone Y. Therefore, the plug 22 is also provided at the other end.
[0015]
The power supply 16 is a commercially available battery, such as an AA battery or an AAA battery, because the sound expansion portable holder X of this embodiment is a portable type. When the plugs 22 and 22 are turned on in a state where the plugs 22 and 22 are inserted into the input terminal 3 of the sound expansion portable holder X and the jack of the portable telephone Y, respectively, when the power switch 4 is turned on, Of the mobile phone Y (voice or music of the other party during reception) can be enlarged and heard from the speakers 13, 13.
[0016]
Therefore, the flexible cable 23 includes, for example, a signal line for receiving and a signal line for music. Therefore, when the other party's voice received by the mobile phone 4 is received via the receiving signal line, the amplifier circuit 21 amplifies the received voice. When music distributed to the mobile phone 4 or music once stored as a sound source is received via a music signal line, the music is amplified.
[0017]
As described above, the amplifier circuit 21 operates (drives) by the voltage supplied from the power supply 16, amplifies the sound signal (voice or music) received by the mobile phone Y, and amplifies the sound to the speakers 13, 13. Output signals (voice and music). The volume 18 is used to adjust the sound emitted from the speakers 13 at that time. Further, the changeover switch 19 is used to switch the sound output to the earphones 24, 24 that are internally connected to the circuit board 20 in advance.
[0018]
In the above configuration, when the user wants to listen to the sound of the mobile phone Y by using the sound enlarging portable holder X, first, as shown in FIG. It is inserted into the holding frame parts 2 and 2 and slide-fitted along the front wall 1 a of the case part 1.
[0019]
Then, the mobile phone Y is locked to the case 1 and the holding frames 2, 2 at a position where the rear end slightly protrudes from the case 1 or the left and right holding frames 2, 2 as shown in FIG. Supported by
[0020]
Next, the plugs 22 of the electrical connection means are inserted into the output terminal of the mobile phone Y or the like. Next, the left and right arms 12, 12 are rotated by approximately 90 degrees so that the speakers 13, 13 are arranged in a horizontal state with a good balance. Next, the user turns on the power switch 4 and adjusts the volume 18 appropriately, and then listens to the sound of the mobile phone Y. As described above, the sound of the mobile phone Y is amplified by the amplifier circuit 21 which is operated by the supply of the power supply 16 built in the sound expansion portable holder X, and the left and right speakers 13, 13 or the earphones 24, 24 are changed depending on the changeover switch. Flows from Therefore, the sound expansion portable holder X and the portable telephone Y cooperate in a so-called component manner.
[0021]
Therefore, general usage modes can be divided into the following two. One is to use it like a sound device by placing it on a desk or table, and the other is to listen with earphones 24, 24 while carrying it like Walkman (registered trademark) of a certain electric maker. Is the case. In the former case, the left and right speakers 13, 13 are opened to a desired angle as shown in FIG. On the other hand, when listening with the earphones 24, 24, the left and right speakers 13, 13 fit into the storage notches 6, 6 formed on the left and right side walls of the case 1.
[0022]
【Example】
In the first embodiment, the flexible cable 23 is provided with a signal line for receiving and a signal line for music, but of course, a signal line for transmitting may also be provided. In this case, a microphone is provided at an appropriate position on the case 1 or the holding frame 2. The mobile phone Y is detachably fitted and held in the holding frames 2 and 2 of the sound enlarging mobile holder X. The elastic member may be attached to an appropriate position on the inner wall surface of the holding frame portions 2 as an example of the locking means.
[0023]
Next, a second embodiment will be described in this section. In the description of the second embodiment, portions that are the same as or similar to the first embodiment (having the same function) are denoted by the same or similar reference numerals, and redundant description is omitted.
[0024]
The second embodiment shown in FIGS. 8 to 11 mainly differs from the first embodiment in that a charging function is provided to the sound-enlarged portable holder X1 in consideration of an emergency when the mobile phone Y is turned off. That is to say.
[0025]
That is, as shown in FIGS. 8 and 9, an arc-shaped protruding wall portion 26 is formed below the case portion 1A, and a pair of left and right charging terminals 27, 27 are disposed on the inner wall surface of the protruding wall portion 26. It is. As shown in FIG. 10, the operation terminals on the lower side of the mobile phone Y are inserted into the left and right holding frame portions 2A of the case portion 1A into these charging terminals 27, 27, depending on the model of the mobile phone Y. In this case (when properly set), the lower fixed contact on the mobile phone Y side comes into contact.
[0026]
In this embodiment, the leaf spring type charging terminals 27, 27 are employed in order to improve the contact with the fixed contact on the mobile phone Y side.
[0027]
FIG. 11 shows an internal electric circuit of the second embodiment. Reference numeral 28 denotes a power adapter. The power adapter 28 is connected to the power supply 16 and sets a power voltage to a predetermined voltage. Reference numeral 27 denotes charging terminals 27, 27. Reference numeral 29 denotes a charge switch for charging on (ON) and off (OFF). Since the power supply is a battery, the charge switch 29 can turn off the charging when it is unnecessary, so that the battery is not consumed. In the second embodiment, a connector (not shown) that is electrically connected to the power adapter 28 may be provided at an appropriate position of the case portion 1A so that a home AC power supply can be used.
[0028]
【The invention's effect】
As is clear from the above description, the present invention has the following operations and effects.
(1) The sound expansion portable holder X and the portable telephone Y can be easily fitted and held or connected as a component, so to speak, while listening to the sound source (voice, music) of the portable telephone with the earphone while carrying it easily with one hand. Can be.
(2) It can be freely placed at any time and used immediately like an external speaker without being caught in a place where it is used. In particular, in the case of this usage mode, it is possible to play dynamic music with good sound quality from the speaker.
(3) According to the second and third aspects of the present invention, since the speaker member is pivotally supported, the speaker can be expanded right and left. As a result, a realistic feeling can be sufficiently obtained.
(4) The invention according to claims 2 and 3 can be made compact when not in use or when being carried.
(5) In the second embodiment, when the power of the portable telephone is cut off, the portable telephone can be supplementarily charged by the built-in power supply of the case portion or the AC power supply for home use.
[Brief description of the drawings]
1 to 7 are schematic explanatory views showing a first embodiment of the present invention. 8 to 11 are schematic explanatory diagrams showing a second embodiment of the present invention.
FIG. 1 is a perspective view of a first embodiment.
FIG. 2 is an explanatory view from the front.
FIG. 3 is an explanatory view from a plane.
FIG. 4 is an explanatory view from the back.
FIG. 5 is an explanatory view from the bottom.
FIG. 6 is an explanatory diagram showing an internal electric circuit.
FIG. 7 is an explanatory diagram showing an example of a use state.
FIG. 8 is an explanatory view from the front of the first embodiment.
FIG. 9 is an explanatory view from a plane.
FIG. 10 is an explanatory diagram when a mobile phone is properly set.
FIG. 11 is an explanatory diagram showing an internal electric circuit.
[Explanation of symbols]
X, X1 ... Sound expansion portable holder, Y ... Mobile phone, 1,1A ... Case part, 1a ... Front wall, 1b ... Side wall, 2,2A ... Holding frame part, 3 ... Input terminal (jack), 4 ... Power supply Switch, 5: Notch, 6: Storage notch, 10: Speaker member, 11: Support shaft, 12: Arm section, 13: Speaker, 15: Power storage section, 16: Power supply, 18: Volume, 19: Changeover switch, 20 ... Circuit board, 21 ... Amplifier circuit, 22 ... Plug, 23 ... Flexible cable, 24 ... Earphone, 26 ... Protrusion, 27 ... Charging terminal, 28 ... Power adapter.

Claims (5)

A thin case portion 1 formed so that the external configuration can be gripped by one hand as a whole, holding frame portions 2 and 2 formed to protrude from the case portion, and a pair of left and right speaker members provided on the case portion On the other hand, the internal electric circuit is provided with a power supply 16 in a power supply storage unit 15 formed in the case unit 1 and is operable by the supply of the power supply 16 and the holding frame unit is provided. Amplifying circuit for connecting the mobile phone Y detachably fitted to and holding the mobile phone 2 and 2 via electrical connection means 22 and 23, and amplifying the sound received by the mobile phone Y via a sound signal line. And a power switch 4 electrically connected to the amplifier circuit 21 and a changeover switch 19 for selecting whether to output sound from the speaker member or from the earphone 24. Holder. In the first aspect, the speaker members 10, 10 have arm portions 12, 12 rotatably attached to support shafts 11, 11 provided at respective left and right ends of the case portion 1, respectively. A sound amplifying portable holder for a cellular phone, comprising speakers 13 and 13 provided at free ends of these arms 12 and 12, respectively. According to claim 1 or claim 2, when the arm portions 12, 12 of the speaker members 10, 10 are aligned with the left and right side walls 1b, 1b of the case portion 1, respectively, they are formed on the left and right side wall portions of the case portion 1. The left and right speakers 13, 13 fit in the storage notches 6, 6 in a fitted state. 2. The sound for a portable telephone according to claim 1, wherein a volume adjuster for adjusting a volume emitted from the speaker members is electrically connected to the amplifier circuit constituting the electric circuit. Enlarged mobile holder. In claim 1, a projecting wall portion 26 is formed at a lower portion of the case portion 1A, and a pair of left and right charging terminals 27, 27 are disposed on the inner wall surface of the projecting wall portion 26. Sound expansion mobile holder for mobile phones.

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