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JP2007325042

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Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JP2007325042
PROBLEM TO BE SOLVED: To provide a wireless communication device such as a portable
telephone which enables a hearing aid user to perform wireless communication easily and
quickly. SOLUTION: A portable telephone 11a which integrally holds an induction coil 4
electrically connected in parallel to a speaker 8 and magnetically couples this induction coil 4 to
a telephone coil 13 of a hearing aid 3a. With this portable telephone, the hearing aid user can
perform wireless communication easily and quickly by merely arranging the induction coil 4 of
the portable telephone 11a in proximity to the telephone coil 13. [Selected figure] Figure 1
Wireless communication device
[0001]
The present invention relates to, for example, a wireless communication device such as a
portable telephone suitable for listening to good quality sound in a hearing aid.
[0002]
Conventionally, various hearing aids have a built-in telephone coil, and the signal current from
the telephone receiver is supplied to the induction coil, and is magnetically coupled with the
generated leakage flux to amplify and amplify the current induced in the telephone coil. By
reproducing the signals into speech, the hearing aid user is able to talk more than enough on the
telephone.
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Such magnetic coupling is to exchange information without being electrically connected as nonconnected coupling.
[0003]
For example, what is known as a hand-free link is known, which is an auxiliary component that
disconnects and connects the earhole hearing aid, the ear-hook hearing aid, the box-shaped
hearing aid, etc., and the portable telephone.
[0004]
According to the hand-free link 58 shown in FIG. 5, the portable telephone 61 having the speaker
68 and the antenna 70, etc. can be attached to the external earphone terminal 60 via the plug
59, the cord 56, the microphone 57 and the cord 56 sequentially. The audio signal current
received at 61 is configured to flow to the induction coil 54.
[0005]
And, with the hook 51 supported by the ear shell 52 of the ear 66 of the hearing aid user 55, the
induction coil 54 located in the vicinity of the ear hole 69, the ear hole hearing aid or the ear
hook hearing aid (here, for example, the ear hole hearing aid 53). Is illustrated.
And the telephone coil 63) to transmit an electric signal to the hearing aid 53, and finally the
reproduced sound is transmitted into the earhole 69 by the speaker in the hearing aid.
[0006]
That is, as shown in the detail view of part A in FIG. 5, the induction coil 54 of the hand free link
58 is disposed close to the telephone coil 63 of the hearing aid 53, and the current induced in
the telephone coil 63 by the signal current flowing in the induction coil 54. Are amplified by the
amplifier 65, supplied to the speaker 64, and output as sound.
[0007]
The voice emitted from the user 55 is input to the microphone 57 of the hand-free link 58 or the
microphone 77 of the mobile telephone 61 to convert it into an electric signal, and the cord 56,
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the plug 59, and a mobile telephone circuit and antenna not shown. 70 and so on sequentially,
and wirelessly output from the antenna 70 for transmission.
Thus, the user 55 of the hearing aid can not only receive but also transmit sound by means of the
mobile phone 61.
[0008]
The conventional hand-free link 58 described above is originally an auxiliary component when
using the mobile phone 61 without using both hands as in driving a car, etc., and is provided
purely for hearing aid users. It is not an auxiliary component.
Therefore, the long cord 56 is awkward to use because it gets in the way during handling or is
hooked to a projection or the like.
[0009]
Moreover, when radio waves arrive (receive) at the portable telephone 61, it is necessary to
insert the plug 59 into the external earphone terminal 60, so it is difficult to cope with this
reception. In addition, it is apparent that the response to reception becomes more difficult when
using a box-type hearing aid instead of the above-described in-the-ear hearing aid.
[0010]
The present invention has been made in view of such a situation, and its object is to provide a
portable telephone etc. which allows a user of an audio player such as a hearing aid to handle
wireless communication easily and quickly. A wireless communication device is provided.
[0011]
That is, the present invention is directed to a wireless communication apparatus such as a
portable telephone configured to integrally hold an induction coil electrically connected in
parallel to a speaker unit and magnetically couple the induction coil to an audio player such as a
hearing aid. It is related.
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[0012]
According to the present invention, since the induction coil electrically connected in parallel to
the speaker unit is integrally held, and this induction coil is configured to be magnetically
coupled or electromagnetically coupled (non-connected) to the audio player. By merely bringing
the wireless communication device close to the audio player, a current corresponding to the
received signal can be induced in the audio player by magnetic coupling, and this current can be
reproduced as audio.
Therefore, a person with normal hearing (hereinafter referred to as a normal person) is used
without using difficult-to-use auxiliary parts such as the above-mentioned hand-free link.
The user can easily and quickly use the wireless communication device, such as a hearing aid, in
a state substantially similar to that in the normal use.
[0013]
Moreover, this is advantageous because, for example, when using the in-the-ear hearing aid or
the in-ear hearing aid, the mobile phone may be placed near the ear, but it is also incorporated in
the hearing aid when using the box type hearing aid. Magnetic coupling is possible simply by
bringing the induction coil of the mobile phone close to the telephone coil.
[0014]
In the present invention, in order to make the magnetic coupling sufficient, it is desirable that the
induction coil be disposed close to the speaker portion.
[0015]
Further, in order to sufficiently transmit the audio signal by magnetic coupling, the induction coil
is disposed close to the induction coil of the speaker circuit portion of the audio reproducer, and
the latter is induced by the signal current flowing in the former induction coil. It is desirable that
the current flowing through the induction coil be amplified and supplied to the speaker circuit
unit.
[0016]
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Further, in order to prevent howling that may occur when the volume of the sound emitted from
the speaker circuit unit is large, a switch is provided in the speaker unit, and the speaker unit is
cut off in circuit by the switch. Preferably, the magnetic coupling is performed.
[0017]
Further, the wireless communication apparatus of the present invention may be configured as,
for example, a mobile phone used in combination with a hearing aid as the audio player.
[0018]
Hereinafter, preferred embodiments of the present invention will be described specifically and in
detail with reference to the drawings.
[0019]
First Embodiment FIGS. 1 and 3 show a first embodiment of the present invention.
[0020]
As shown in FIG. 1, in the present embodiment, the hearing aid 3a used in combination with the
mobile phone 11a is configured to be usable under special conditions such as driving a car as
well as under normal use conditions. In the case 15, a speaker circuit unit including an amplifier
(amplifier) 10 and a speaker 9 is incorporated.
[0021]
The hearing aid 3a may be not only an earhole hearing aid or a hearing aid, but also a boxshaped hearing aid used under normal conditions of use, but in particular it can be easily used by
the hearing impaired person using a box-shaped hearing aid The mobile phone 11a is configured
in FIG.
That is, the antenna 20 for receiving or transmitting a wireless signal, the speaker 8, the portable
telephone circuit 17 having the speaker 8 connected by the wiring 16, the induction coil 4
electrically connected in parallel with the speaker wiring 16, etc. In particular, the induction coil
4 is held integrally.
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Such a coil may be wound around the core of the ferrite material.
[0022]
Therefore, although the induction coil 4 connected in parallel with the (internal) speaker 8 of the
portable telephone 11a is built in the portable telephone 11a, this inductive coil 4 has a leakage
magnetic path opened when the signal current flows. It forms and it arrange | positions in the
position where this leakage flux is discharge | released outside the mobile telephone 11a.
Here, the impedance of the speaker 8 of the mobile telephone 11a is, for example, about 10 Ω,
and if the induction coil 4 has an impedance of about several hundreds Ω, the influence is not
affected even if it is connected in parallel with the speaker 8 as described above. Does not
appear.
[0023]
In addition, since the distance between the speaker 8 which is a part to put the mobile phone 11a
on the user's ear and the microphone (not shown) which is a part to be put on the user's mouth is
almost fixed based on ergonomics If the position of the induction coil 4 of the mobile telephone
11a is too far from the position of the speaker 8 when the telephone coil 13 of the earhole
hearing aid or the earpiece hearing aid is arranged near, the position of the induction coil 4 at
the position of the telephone coil 13 The position of the microphone of the mobile phone 11a
will also be shifted when the key is placed, and the user's mouth will be displaced from the
microphone.
In this case, it may be difficult to pick up the user's voice by the microphone of the mobile phone
11a. Therefore, to prevent this, the induction coil 4 of the mobile phone 11a should be disposed
within 5 cm from the speaker 8. desirable.
[0024]
In addition, since the changeover switch 18 for preventing howling is provided, it is very
advantageous for the deaf person.
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That is, for example, when the deaf person 5 who is extremely difficult to listen to the voice
raises the volume of the reproduced sound of the box-type hearing aid 3a and uses the mobile
phone 11a, howling is caused during interaction by interaction with the voice emitted from the
speaker 8. As it may occur, when the hearing aid 3a is used, the speaker 8 can be shut off in
circuit by turning off the changeover switch 18, and it is possible to prevent howling by
preventing sound generation from this.
Therefore, the deaf person can hear the loud volume that can be heard.
When using a hearing aid such as an in-the-ear hearing aid, or a non-deaf person using a deaf
device, it is a matter of course that the changeover switch 18 may be turned on to emit sound
from the speaker 8. Is not likely to occur.
[0025]
As shown in FIGS. 3A and 3B, when the user 5 of the earhole hearing aid 3a receives an audio
signal by the mobile phone 11a, the induction coil 4 of the mobile phone 11a is placed in the
earhole 19 in the earhole 19 The current flowing through the telephone coil 13 induced by the
signal current flowing through the induction coil 4 is amplified by the amplifier 10 and supplied
to the speaker 9 as shown in FIG. It outputs in the ear hole 19.
[0026]
Further, voices emitted from the mouth of the user 5 are wirelessly output sequentially via a
microphone, a portable telephone circuit 17 and an antenna 20 which are not shown, and an
audio signal is transmitted from the portable telephone 11a.
[0027]
According to the present embodiment, the induction coil 4 electrically connected in parallel to
the speaker 8 is integrally held in the portable telephone 11a, and the induction coil 4 is
magnetically coupled to the telephone coil 13 of the hearing aid 3a. Since the telephone set 11a
is configured, the hearing aid 3a can be magnetically coupled by bringing the hearing aid 3a and
the portable telephone set 11a close to each other directly, and it is not necessary to use
auxiliary parts such as the hand-free link 58 described above which is difficult to use.
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As a result, the hearing aid user can easily and quickly use the mobile phone 11a in a state
substantially similar to that normally used by a normal person.
Therefore, it is possible to provide the mobile phone 11a having the minimum necessary device
configuration, and using this, the hearing aid user can easily perform wireless communication
(reception and transmission).
[0028]
Second Embodiment FIG. 2 shows a second embodiment of the present invention.
[0029]
The cellular phone 11b according to the present embodiment is the same as the first
embodiment described above except that the changeover switch 18 is removed.
[0030]
Therefore, as in the case where the changeover switch 18 is turned on in the first embodiment
described above, for example, the user 5 who is not so difficult to listen to voice can sufficiently
hear even if the volume of the hearing aid 3a is lowered. Howling is unlikely to occur even by the
reproduced sound from the speaker 8.
That is, since the changeover switch 18 can be removed, the structure of the mobile telephone
11b can be further simplified.
[0031]
In addition, in this embodiment, the same operation and effect as those described in the abovedescribed first embodiment can be obtained.
[0032]
Third Embodiment FIG. 4 shows a third embodiment of the present invention.
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[0033]
The present embodiment is the same as the above-described first embodiment except that the
box-shaped hearing aid 3b for the hearing impaired is used.
[0034]
This box-shaped hearing aid 3b has an earphone 12, a cord 6, a microphone 7 and a telephone
coil 13 disposed in the earhole 19 of the ear 21, and the telephone coil 13 built in the main body
and the induction coil 4 of the mobile telephone 11a are It is placed close to and magnetically
coupled.
[0035]
According to the present embodiment, when the box-shaped hearing aid 3b is handled, the
telephone coil 13 built in the box-shaped hearing aid 3b and the induction coil 4 built in the
mobile telephone 11a are simply disposed close to each other. In the same manner as described
above, the wireless communication can be performed easily and quickly even for the deaf person
as described above.
[0036]
In addition, in this embodiment, the same operation and effect as those described in the abovedescribed first embodiment can be obtained.
[0037]
As mentioned above, although the present invention was explained based on an embodiment, the
present invention is not limited to these examples at all, and it can not be overemphasized that it
can change suitably in the range which does not deviate from the main point of an invention.
[0038]
For example, the arrangement of the induction coil 4 may not only be integrally housed in the
housing 14 of the mobile telephone 11a, but may be integrally housed so that a part thereof is
exposed on the surface of the mobile telephone 11a.
[0039]
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In addition, if a secondary coil (not shown) facing the induction coil 4 is added to the hearing aids
3a and 3b as audio players, the function of recording audio using the signal current induced in
the secondary coil is also possible. It can be added.
In addition to the in-the-ear hearing aid and the in-ear hearing aid, vibration hearing aids can also
be used as hearing aids to which the present invention can be applied.
In addition, music or the like distributed via the mobile phone 11a can also be listened to with a
stereo-type hearing aid in which earphones are inserted into both ears.
[0040]
Further, the present invention can be applied not only to the user of the hearing aid but also to
the listener who needs to correctly listen to the voice or the like.
[0041]
For example, headphone stereo, CD radio cassette player, CD ROM drive and DYD drive of
personal computer, transceiver, radio, specified low power type radio such as wireless type
handset of stationary type telephone, CB (Citizen band) radio, amateur radio, Radio
communication devices other than mobile phones, such as disaster prevention radios, marine
radios, aeronautical radios, administrative radios, fire fighting radios, medical radios and police
radios, etc. may be mentioned.
[0042]
For example, a mobile phone as the wireless communication device of the present invention is
suitable for use as a hearing aid.
[0043]
FIG. 1 is a schematic cross-sectional view of a mobile phone according to a first embodiment of
the present invention.
It is a schematic sectional drawing of the mobile telephone by 2nd Embodiment of this invention.
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It is the front view (A) and side view (B) at the time of use of the mobile telephone by 1st (or 2nd)
embodiment of this invention.
It is a side view at the time of using the mobile telephone by the 3rd Embodiment of this
invention.
It is a side view at the time of using the mobile telephone by a prior art example.
Explanation of sign
[0044]
DESCRIPTION OF SYMBOLS 1 ... hook 2, 2 ... ear shell, 3a, 3b ... hearing aid, 4 ... induction coil, 5
... user, 6 ... code, 7 ... microphone, 8, 9 ... speaker, 10 ... amplifier, 11a, 11b ... mobile phone, 12 ...
earphone, 13 ... telephone coil, 17 ... mobile phone circuit, 18 ... changeover switch, 19 ... earhole,
20 ... antenna
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