JP3153983U - Speaker - Google Patents

Abstract

Provided is a speaker that is small and lightweight, easy to carry, excellent in design, enjoys its color, and can amplify the output from an earphone jack that can synthesize and diverge sound and music in a space. A speaker that is connected to an earphone jack of an audio output reproduction device and amplifies and reproduces an audio output signal from the earphone jack, an earphone plug that is connected to the earphone jack, and an input of a main unit A cord portion 2 having an input plug 22 connected to the jack 11 and electrically connecting the earphone jack and the input jack 11 to transmit an audio output signal; and an audio input from the cord portion 2 through the input jack 11 Amplifying means provided in the storage box 13 that amplifies the output signal, a diaphragm 14 made of a piezoelectric material that outputs an acoustic signal by converting the output signal amplified by the amplifying means into vibration, and a spherical shape that covers each of the above parts And the main body 1 having the cover 16. [Selection] Figure 2

Description

  The present invention relates to a speaker capable of amplifying and outputting sound using an output from an earphone terminal.

In recent years, with the reduction in weight and size of electronic devices, small and high-performance devices such as mobile phones with music playback functions, portable compact disc players, mini disc players, and IC memory players are widely marketed as audio output playback devices. It is appearing in. Such a portable audio output reproduction apparatus mainly uses earphones or headphones to listen to audio signals such as reproduced music, and often does not have a built-in speaker.
However, with such a playback device, sometimes it is released from the earphones and headphones, and the sound is released to the space, and music, performances such as comics and rakugo, and voice output such as recorded conversations with multiple friends There is also a desire to have fun.

  As a speaker that amplifies an audio signal by inserting a plug into the earphone jack, for example, a speaker with a horn speaker attached to the audio output side of the earphone and a speaker with an amplification circuit are commercially available, and electrostatic discharge protection An example of an earphone speaker having an effect has been reported (see Patent Document 1).

JP 2009-44707 A

However, the speaker that amplifies the output from the earphone jack of the conventional portable audio output reproduction device does not have a sufficient amplification factor, is inconvenient to carry and is not fully enjoyable in design. There were many things.
The present invention solves these problems, is compact and lightweight, easy to carry, excellent in design, enjoys its colors, and outputs from the earphone jack that can diverge voice and music in space. The purpose is to realize a loudspeaker capable of louding.

  In order to solve the above problems, a speaker according to the present invention is a speaker that is connected to an earphone jack of an audio output reproduction device and amplifies and reproduces an audio output signal from the earphone jack, and is connected to the earphone jack. An earphone plug; and an input plug connected to an input jack of the main body, the cord section transmitting the audio output signal by electrically connecting the earphone jack and the input jack, and the input jack Amplifying means for amplifying the audio output signal input from the code section, conversion means for converting the audio output signal amplified by the amplifying means to vibration of a diaphragm and outputting an acoustic signal, the diaphragm, Built-in rechargeable battery for supplying power to the amplification means and the conversion means, the input jack constituting the main body, the amplification means, and the conversion Stage, the diaphragm, characterized in that it is constituted by a main body portion and a cover of the spherical covering the respective portions including the internal rechargeable battery.

  Here, the earphone plug and the input plug of the cord portion are connected by a cord that has elasticity and is self-supporting.

  Further, the vibration plate is a piezoelectric element, and has a function of the conversion means by itself.

  Furthermore, in the metal housing having the input jack on one end side and a lid portion having a plurality of holes for sending out the acoustic signal generated by the diaphragm on the multi-end side, the amplification means, the conversion means, The diaphragm and the built-in rechargeable battery are housed.

  The spherical cover is made of colored sponge-like plastic.

By constructing as described above, the present invention is small and light, easy to carry, excellent in design, enjoys its colors, and can diverge voice and music from the earphone terminal to the outside space. A speaker can be realized, and it can be carried around without being bulky in a pocket or accessory case, and can be enjoyed by making sound from it.
In terms of design, sound is output from a small colored sponge ball, and the sponge ball is elastically supported by the earphone jack of the audio output playback device, so that you can enjoy the feeling of bouncing the ball as a whole.

1 is an external perspective view of an embodiment of a speaker according to the present invention. It is a disassembled external appearance perspective view of embodiment shown in FIG. It is a side view of embodiment shown in FIG. It is a side view of the code | cord | chord part of embodiment shown in FIG. It is the front view seen from the earphone plug side of embodiment shown in FIG. It is the front view seen from the spherical cover side of embodiment shown in FIG.

Hereinafter, a speaker according to the present invention will be described with reference to the drawings.
FIG. 1 is an external perspective view of an embodiment of the speaker 10 of the present invention, and FIG. 2 is an exploded external perspective view of the embodiment of the speaker 10 shown in FIG. 3 is a side view of this embodiment, FIG. 4 is a side view of the cord portion, FIG. 5 is a front view seen from the earphone plug side, and FIG. 6 is a front view seen from the spherical cover side. is there.

  As shown in FIGS. 1 and 2, the speaker 10 includes a main body 1 and a cord 2.

The main body 1 is composed of a lid 15 and a bottom 12, and houses a required portion of the main body 1 to shield the influence of external noise, and a colored sponge-like covering the housing. It consists of a spherical cover 16 made of plastic.
On the other hand, the cord section 2 is inserted into an earphone plug 21 that takes out an audio signal output by inserting it into an earphone jack of an audio output reproduction apparatus (not shown), and is connected to the input jack 11 of the main body section 1 to connect the audio signal to the main body section 1. Input cord 22, and earphone plug 21 and cord 23 that electrically connects input plug 22. The cord 23 is elastic and self-supporting.

In the main body 1, an input jack 11 into which the input plug 21 of the cord 2 is inserted is provided on the bottom 12 of the housing. An audio signal from the audio output reproduction device is input from the input jack 11 to the amplification substrate in the amplification unit / rechargeable battery storage box 13, amplified, and input to the diaphragm 14 made of a piezoelectric material.
Power for the amplification substrate is supplied from a built-in battery (lithium ion battery) provided in the amplification unit / rechargeable battery storage box 13. The built-in battery is charged from the charging terminal hole 18 through the USB terminal.
The set screw hole 17 is a hole for assembling and fixing the bottom portion 12 and the lid portion 15 of the housing by inserting screws.
The piezoelectric material constituting the diaphragm 14 has the property of expanding and contracting and bending when a voltage is applied. Using this principle, the output voltage of the amplification substrate is directly applied to the diaphragm 14 made of the piezoelectric material. Then, the diaphragm 14 can be operated as a speaker to output an acoustic signal.
The acoustic signal output from the diaphragm 14 is output to the space through an output hole provided in the lid portion 15 of the housing.

  By the way, in this Embodiment, the housing | casing of the main-body part 1 is covered with the spherical cover 16 comprised with sponge-like plastics. The spherical cover 16 is colored with yellow, pink, red, black, dark green, and the like, and can be exchanged. Therefore, the spherical cover 16 can be replaced with a color according to the clothes and mood at that time, and is excellent in design.

Next, specifications of the speaker according to the present embodiment are listed.
Power supply Internal rechargeable battery (lithium ion battery)
Charging method Charging from USB terminal Spherical cover ABS resin sponge
Color Yellow, Pink, Red, Black, Dark Green Function Piezoelectric speaker with built-in amplifier Operating time Approx. 5 hours Differential temperature 0-40 ° C
Output 0.7W (8Ω 1.0kHz)
Charging time About 2 hours Charging current / voltage 100mA / 4.2V

The present invention is not limited to the above-described embodiments, and for example, various modifications as described below are possible.
In the above-described embodiment, the piezoelectric speaker in which the vibration plate is formed of a piezoelectric material is taken as an example. However, other types of speakers, for example, electrodynamic speakers may be used. When an electrodynamic speaker is used, conversion means such as a magnetic circuit and a coil are required, and the structure tends to be large, but the acoustic characteristics are excellent.

  Since the present invention is configured as described above, it is small and lightweight, easy to carry, excellent in design, enjoys its color, and spreads sound and music from the earphone terminal to the outside space. It can be carried without being bulky in a pocket or accessory case, is easy to use, has a fun speaker, can be enjoyed by young people, and has the potential to be widely used in nurseries and schools ing.

DESCRIPTION OF SYMBOLS 1 Main-body part 2 Code | cord | chord 10 Speaker 11 Input jack 12 Case bottom part 13 Amplifier part / rechargeable battery storage box 14 Diaphragm 15 Case cover part 16 Spherical cover 17 Set screw hole 18 Charging terminal hole 21 Earphone plug 22 Input plug 23 Cord

Claims (5)

A speaker that is connected to an earphone jack of an audio output reproduction device and amplifies and reproduces an audio output signal from the earphone jack,
A cord portion having an earphone plug connected to the earphone jack and an input plug connected to an input jack of a main body, and electrically connecting the earphone jack and the input jack to transmit the audio output signal When,
Amplifying means for amplifying the audio output signal input from the cord section at the input jack; and converting means for converting the audio output signal amplified by the amplifying means to vibration of a diaphragm and outputting an acoustic signal; Including the diaphragm, a built-in rechargeable battery for supplying power to the amplifying means and the converting means, the input jack constituting the main body, the amplifying means, the converting means, the diaphragm, and the built-in rechargeable battery. A speaker comprising the main body having a spherical cover that covers each part.   The speaker according to claim 1, wherein the earphone plug and the input plug of the cord portion are connected by a cord that has elasticity and is self-supporting.   The speaker according to claim 1 or 2, wherein the vibration plate is a piezoelectric element and has the function of the conversion means by itself.   The amplifying means, the converting means, and the vibration are provided in a metal casing having the input jack on one end side and a lid portion having a plurality of holes for sending out an acoustic signal generated by the diaphragm on the multi-end side. The speaker according to any one of claims 1 to 3, wherein a plate and the built-in rechargeable battery are accommodated.   The speaker according to any one of claims 1 to 4, wherein the spherical cover is made of a colored sponge-like plastic.

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