JPH08111704A - Portable radio telephone set - Google Patents
Portable radio telephone setInfo
- Publication number
- JPH08111704A JPH08111704A JP6245937A JP24593794A JPH08111704A JP H08111704 A JPH08111704 A JP H08111704A JP 6245937 A JP6245937 A JP 6245937A JP 24593794 A JP24593794 A JP 24593794A JP H08111704 A JPH08111704 A JP H08111704A
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- housing
- microphone hole
- hole
- recessed part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Telephone Set Structure (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、携帯無線電話機の小型
化に関し、そのハウジング構造、マイクの取り付け構
造、特にハウジングのマイク部構造に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to miniaturization of a portable radio telephone, and more particularly to a housing structure thereof, a microphone mounting structure, and more particularly to a housing microphone portion structure.
【０００２】[0002]
【従来の技術】従来の携帯無線電話機は、正面上部に受
話部（スピーカ設置部）を有し、正面下部中央に送話部
（マイクロホン設置部）を有する。また、電話機正面の
この受話部と送話部の間には液晶表示部とテンキー等の
ボタン操作部が上からこの順番に配置されている。2. Description of the Related Art A conventional portable radio telephone has a receiver section (speaker installation section) at the upper front portion and a transmitting section (microphone installation section) at the lower front center. A liquid crystal display unit and a button operation unit such as a ten-key pad are arranged in this order from the top between the receiving unit and the transmitting unit on the front of the telephone.
【０００３】[0003]
【発明が解決しようとする課題】携帯無線電話機が小型
化がされるに従い、ハウジング内部の部品設置スペース
が自由に取れなくなっている。また、携帯電話機の小型
化に伴い、受話部と送話部の間隔が狭くなり、そのた
め、通話者の耳と口の間隔よりも携帯無線電話機の受話
部と送話部の間隔が短く、使い難いという課題も生じて
いる。As the portable radio telephone becomes smaller, the space for installing components inside the housing cannot be freely obtained. Also, with the downsizing of mobile phones, the distance between the earpiece and transmitter becomes narrower.Therefore, the distance between the earpiece and mouthpiece of mobile wireless phones is shorter than the distance between the ear and mouth of the caller, and The problem of difficulty has also arisen.
【０００４】[0004]
【課題を解決するための手段】本発明は上述の課題を解
決するために、ハウジング正面上部にスピーカ孔が、ハ
ウジング正面下部にマイク孔がそれぞれ開口された携帯
無線電話機において、マイクロホンの設置位置を中央部
から右側あるいは左側に寄せることにより、内部スペー
スの有効活用をはかるとともに受話部と送話部の間隔を
長くしようとするものであり、これにより生じる、携帯
無線電話機を握る手が送話部のマイク孔を塞いでしまう
恐れを解消するために、ハウジングのマイク部形状に特
徴を持たせることにより、通話者がハウジングを把持す
る手の接触でマイク孔の位置を認識できるようにするも
のである。In order to solve the above-mentioned problems, the present invention provides a portable wireless telephone having a speaker hole in the upper front part of the housing and a microphone hole in the lower front part of the housing. By moving it from the central part to the right or left side, the internal space is effectively used and the distance between the receiving part and the transmitting part is lengthened. In order to eliminate the possibility of blocking the microphone hole of the microphone, the shape of the microphone part of the housing has a feature so that the caller can recognize the position of the microphone hole by touching the hand holding the housing. is there.
【０００５】具体的な本発明の構成は、ハウジング正面
上部にスピーカ孔が、ハウジング正面下部にマイク孔が
それぞれ開口された携帯無線電話機において、マイクロ
ホンはハウジング正面下部における中央部から外れた位
置に内蔵され、前記ハウジング表面は前記マイクロホン
の内蔵位置に合わせて正面右下部あるいは正面左下部に
凹部または凸部が形成され、この凹部または凸部に、あ
るいはこの凹部または凸部の近傍にマイク孔が形成され
たことを特徴とする携帯無線電話機である。According to a specific configuration of the present invention, in a portable radio telephone in which a speaker hole is opened in the upper front part of the housing and a microphone hole is opened in the lower front part of the housing, the microphone is built in a position apart from the central part in the lower front part of the housing. The housing surface has a concave portion or a convex portion formed in the lower right portion of the front surface or the lower left portion of the front surface in accordance with the built-in position of the microphone, and a microphone hole is formed in the concave portion or the convex portion or in the vicinity of the concave portion or the convex portion. It is a mobile wireless telephone characterized by being made.
【０００６】より具体的な本発明の構成は、ハウジング
正面上部にスピーカ孔が、ハウジング正面下部にマイク
孔がそれぞれ開口された携帯無線電話機において、例え
ば、前記ハウジング表面はマイクロホンの内蔵位置に合
わせて正面右下部あるいは正面左下部から底面にかけて
長溝状に凹部が形成され、この凹部内にマイク孔が開口
されていることを特徴とする携帯無線電話機である。A more specific configuration of the present invention is a portable radio telephone in which a speaker hole is formed in the upper front part of the housing and a microphone hole is formed in the lower front part of the housing. For example, the surface of the housing is aligned with the built-in position of the microphone. A portable radio telephone characterized in that a concave portion is formed in a long groove shape from the lower right portion of the front surface or the lower left portion of the front surface to the bottom surface, and a microphone hole is opened in the concave portion.
【０００７】また、別の構成は、ハウジング正面上部に
スピーカ孔が、ハウジング正面下部にマイク孔がそれぞ
れ開口された携帯無線電話機において、例えば、前記ハ
ウジング表面はマイクロホンの内蔵位置に合わせて正面
右下部あるいは正面左下部にに凸部が形成されており、
この凸部に形成された溝内にマイク孔が開口されている
ことを特徴とする携帯無線電話機である。Another structure is a portable radio telephone in which a speaker hole is formed in the upper part of the front of the housing and a microphone hole is formed in the lower part of the front of the housing. For example, the surface of the housing is in the lower right part of the front in accordance with the built-in position of the microphone. Or a convex part is formed in the lower left of the front,
The mobile wireless telephone is characterized in that a microphone hole is opened in a groove formed in the convex portion.
【０００８】[0008]
【作用】上記構成により、前記ハウジングはマイクロホ
ンを内蔵する正面下部における中央部を外れた位置に凹
部または凸部が形成され、この凹部または凸部にマイク
孔が形成、あるいはこの凹部または凸部の近傍にマイク
孔が形成されて、通話者がハウジングを把持する手でこ
の凹部または凸部に接触することによりマイク孔の位置
を認識する。With the above structure, the housing is provided with a concave portion or a convex portion at a position deviating from the central portion in the lower part of the front surface in which the microphone is built, and a microphone hole is formed in the concave portion or the convex portion, or the concave portion or the convex portion is formed. A microphone hole is formed in the vicinity, and the position of the microphone hole is recognized by the caller contacting the concave portion or the convex portion with the hand holding the housing.
【０００９】上記構成のうち、前記ハウジング表面はマ
イクロホンを内蔵する正面右下部あるいは正面左下部か
ら底面にかけて長溝状に凹部が形成され、この凹部内に
マイク孔が開口されている場合、通話者がハウジングを
把持する手でこの凹部に接触することによりマイク孔の
位置を認識し、把持する手がハウジング正面部において
この凹部を塞いでも、この凹部は底面に至っているた
め、通話者の音声は凹部からマイク孔を介して確実にマ
イクロホンに到達する。In the above construction, the housing surface is formed with a long groove-like recess from the lower right front part or the lower left front part including the microphone to the bottom face, and when a microphone hole is opened in this recess, the caller is The hand holding the housing recognizes the position of the microphone hole by touching this recess, and even if the hand holding the plug closes this recess in the front part of the housing, this recess reaches the bottom, so the voice of the caller is From the microphone to the microphone hole.
【００１０】上記構成のうち、前記ハウジング表面はマ
イクロホンの内蔵位置に合わせて正面右下部あるいは正
面左下部に凸部が形成されており、この凸部に形成され
た溝内にマイク孔が開口されている場合、通話者がハウ
ジングを把持する手でこの凸部に接触することによりマ
イク孔の位置を認識し、凸部の溝内にマイク孔が開口さ
れているので、把持する手が凸部の上に乗ってしまって
も溝を通じて通話者の音声はマイクロホンに到達する。In the above construction, the housing surface has a convex portion formed on the lower right portion of the front surface or the lower left portion of the front surface in accordance with the built-in position of the microphone, and a microphone hole is opened in the groove formed on the convex portion. In this case, the hand holding the housing recognizes the position of the microphone hole by touching the convex part with the hand holding the housing, and the microphone hole is opened in the groove of the convex part, so the hand holding the convex part Even if you get on top of it, the voice of the caller reaches the microphone through the groove.
【００１１】[0011]
【実施例】以下、図面により本発明の一実施例を説明す
る。図１は本発明の第１実施例を示す携帯無線電話機の
正面下部を斜め上方より見下ろした下部斜視図で、１は
ハウジング、２は操作ボタン、３は凹部、４はマイク孔
を示す。なお、マイクロホンはマイク孔４の下、すなわ
ちハウジング１の裏面側に内蔵されている。図示するよ
うに、ハウジング正面右下部に凹部３を形成して、この
凹部３内にマイク孔４を形成しているので、通話中にハ
ウジング１を把持する手の指先が凹部３に触れることに
より、マイク孔４の位置が通話者に認識できる。さらに
本実施例のように、凹部３をハウジング正面から底面に
かけて長溝状に形成しているので、万が一、指先が正面
部において凹部３の上に置かれても、凹部３は底面に通
じているので、通話者の音声は底面側から凹部３を通じ
てマイク孔４よりマイクロホンに到達できるので、音声
が遮断されてしまう恐れはない。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a bottom perspective view of the lower part of the front surface of a portable radio telephone showing a first embodiment of the present invention seen obliquely from above, and 1 is a housing, 2 is an operation button, 3 is a concave portion, and 4 is a microphone hole. The microphone is built in under the microphone hole 4, that is, on the back surface side of the housing 1. As shown in the figure, a recess 3 is formed in the lower right part of the front of the housing, and a microphone hole 4 is formed in this recess 3. Therefore, the fingertip of the hand holding the housing 1 touches the recess 3 during a call. The position of the microphone hole 4 can be recognized by the caller. Further, as in the present embodiment, since the concave portion 3 is formed in a long groove shape from the front surface to the bottom surface of the housing, even if a fingertip is placed on the concave portion 3 on the front surface, the concave portion 3 communicates with the bottom surface. Therefore, the voice of the caller can reach the microphone from the microphone hole 4 through the concave portion 3 from the bottom surface side, and there is no fear of the voice being interrupted.
【００１２】図２（ａ），図２（ｂ）はそれぞれ本発明
に基づく第２実施例、第３実施例に係り、マイク孔と凹
部との構成例を示す携帯無線電話機の下部正面図であ
る。同図（ａ）に示すようにハウジング１の正面右下部
にリング状の凹部３’を形成し、この凹部３’の中心に
マイク孔４を形成している。この場合、凹部３’がリン
グ状であるため、どの方向からでも凹部３’でマイク孔
４が近傍に有るこが識別され、しかも中央の土手に指先
が当たるので、凹部３’とマイク孔４の境界が極めて識
別し易い。さらに同図（ｂ）に示すようにハウジング１
の正面右下部端に円弧状の凹部３’’を形成し、この凹
部３’’の曲率中心あたりにマイク孔４を形成してい
る。この場合、同図（ａ）のようにマイク孔４の周囲を
完全に凹部で囲むようにしていないが、実用上、十分に
マイク孔４の位置を識別できる。2 (a) and 2 (b) are respectively a front view of the lower part of a portable radio telephone showing a configuration example of a microphone hole and a recess according to the second and third embodiments of the present invention. is there. As shown in FIG. 3A, a ring-shaped recess 3'is formed in the lower right portion of the front surface of the housing 1, and a microphone hole 4 is formed at the center of this recess 3 '. In this case, since the concave portion 3'is ring-shaped, it can be identified that the microphone hole 4 is in the vicinity of the concave portion 3'from any direction, and moreover, the fingertip hits the central bank, so that the concave portion 3'and the microphone hole 4 can be detected. Boundaries are extremely easy to identify. Further, as shown in FIG.
An arcuate concave portion 3 ″ is formed at the lower right end of the front surface of the above, and a microphone hole 4 is formed around the center of curvature of this concave portion 3 ″. In this case, although the periphery of the microphone hole 4 is not completely surrounded by the recess as shown in FIG. 9A, the position of the microphone hole 4 can be sufficiently identified in practical use.
【００１３】図３（ａ）は本発明の第４実施例を示す携
帯無線電話機の正面下部を斜め上方より見下ろした下部
斜視図で、１１はハウジング、１２は操作ボタン、１３
ａ，１３ｂはそれぞれ半円状の凸部、１４はマイク孔を
示す。また、図３（ｂ）は同図（ａ）に示す半円状の凸
部１３ａ，１３ｂの部分断面図を示し、１５はマイクロ
ホンを示す。図示のように、ハウジング１１の正面右下
部に凸部（１３ａ，１３ｂ）を形成して、この凸部（１
３ａ，１３ｂ）の近傍にマイク孔１４を形成しているの
で、通話中にハウジング１１を把持する手の指先が凸部
（１３ａ，１３ｂ）に触れることにより、マイク孔１４
の位置が通話者に認識できる。さらに本実施例のよう
に、凸部を第１、第２に分けた半円状の凸部１３ａ，１
３ｂとして、この両凸部を隣接させることにより両凸部
間に溝が形成され、この溝にマイク孔１４を形成してい
るので、指先が両凸部（１３ａ，１３ｂ）上にまたがっ
て乗せられた状態でも、両凸部間の溝を通じて音声がマ
イク孔１４からマイクロホン１５に到達できるので、通
話者の音声が遮断されてしまう恐れはない。FIG. 3 (a) is a lower perspective view of the lower part of the front surface of the portable radio telephone showing the fourth embodiment of the present invention as seen from diagonally above, 11 is a housing, 12 is an operation button, 13
Reference numerals a and 13b denote semicircular convex portions, and 14 denotes a microphone hole. 3B is a partial cross-sectional view of the semicircular convex portions 13a and 13b shown in FIG. 3A, and 15 is a microphone. As shown in the figure, a convex portion (13a, 13b) is formed on the lower right portion of the front surface of the housing 11, and the convex portion (1
3a, 13b), the microphone hole 14 is formed near the microphone hole 14 by touching the protrusions (13a, 13b) with the fingertips of the hand holding the housing 11 during a call.
The position of can be recognized by the caller. Further, as in the present embodiment, the semi-circular convex portions 13a, 1 in which the convex portions are divided into first and second convex portions
As 3b, a groove is formed between the both convex portions by adjoining the both convex portions, and the microphone hole 14 is formed in this groove, so that the fingertip is laid over the both convex portions (13a, 13b). Even in the closed state, the voice can reach the microphone 15 from the microphone hole 14 through the groove between the both convex portions, so that there is no fear that the voice of the caller will be interrupted.
【００１４】また、図４（ａ），図４（ｂ）はそれぞれ
本発明に基づく第５実施例、第６実施例に係り、マイク
孔と凸部との構成例を示す携帯無線電話機の下部正面図
である。同図（ａ）に示すように、ハウジング１１の正
面右下部に形成した凸部１３’の中心から下方向に向け
て溝１５が形成してあり、この溝１５内にマイク孔１４
を開口してあり、このように凸部に形成する溝は、図３
に示した第４実施例のように溝によって凸部を第１と第
２の凸部（半円状の凸部１３ａ，１３ｂ）に完全に分離
独立させてなくとも、同様の効果を得られる。また、同
図（ｂ）に示すようにハウジング１の正面右下部端に円
弧状の凸部１３’’を形成し、この凸部１３’’の内側
近傍にマイク孔１４を形成している。これは、同図
（ａ）に示した凸部１３’に形成する溝１５が広がった
場合に相当し、凸部１３’’に指先が接触することによ
ってマイク孔１４の位置を識別できるし、凸部１３’’
の内側の円弧近傍にマイク孔１４が形成され、この凸部
１３’’の内側の円弧が壁になり、指先でマイク孔１４
を誤って塞いでしまう恐れはない。Further, FIGS. 4A and 4B relate to the fifth and sixth embodiments of the present invention, respectively, and show a lower portion of a portable radio telephone showing a configuration example of a microphone hole and a convex portion. It is a front view. As shown in FIG. 3A, a groove 15 is formed downward from the center of a convex portion 13 ′ formed on the lower right side of the front surface of the housing 11, and the microphone hole 14 is formed in the groove 15.
Is opened, and the groove formed on the convex portion in this manner is shown in FIG.
The same effect can be obtained without completely separating the convex portion into the first and second convex portions (semi-circular convex portions 13a and 13b) by the groove as in the fourth embodiment shown in FIG. . Further, as shown in FIG. 3B, an arcuate convex portion 13 ″ is formed at the lower right end of the front surface of the housing 1, and a microphone hole 14 is formed in the vicinity of the inner side of the convex portion 13 ″. This corresponds to the case where the groove 15 formed in the convex portion 13 ′ shown in FIG. 11A is widened, and the position of the microphone hole 14 can be identified by the fingertip contacting the convex portion 13 ″, Convex 13 ''
The microphone hole 14 is formed in the vicinity of the inside arc of the microphone, and the inside arc of the convex portion 13 '' serves as a wall, and the microphone hole 14 is formed by the fingertip.
There is no fear of accidentally closing the.
【００１５】なお、上述の実施例では、マイク孔をハウ
ジング正面右下部に開口しているが、本発明はこれに限
定される必要はなく、必要に応じてマイクロホンをハウ
ジング正面左下部に内蔵させて、これに合わせてマイク
孔とこのマイク孔を認識させる凹部または凸部を上述と
同様に配置することができる。In the above embodiment, the microphone hole is opened in the lower right portion of the front surface of the housing, but the present invention is not limited to this, and a microphone may be built in the lower left portion of the front surface of the housing as needed. Accordingly, the microphone hole and the concave portion or the convex portion for recognizing the microphone hole can be arranged in the same manner as described above.
【００１６】[0016]
【効果】上述のように本発明は、ハウジング正面上部に
スピーカ孔が、ハウジング正面下部にマイク孔がそれぞ
れ開口された携帯無線電話機において、マイクロホンは
ハウジング正面下部における中央部から外れた位置に内
蔵され、前記ハウジング表面は前記マイクロホンの内蔵
位置に合わせて正面右下部あるいは正面左下部に凹部ま
たは凸部が形成され、この凹部または凸部にマイク孔が
形成、あるいはこの凹部または凸部の近傍にマイク孔が
形成されて、通話者がハウジングを把持する手でこの凹
部または凸部に接触することによりマイク孔の位置を認
識されるようにしたことを特徴とする携帯無線電話機と
したので、次の効果を有する。As described above, according to the present invention, in a portable wireless telephone in which a speaker hole is opened in the upper front part of the housing and a microphone hole is opened in the lower front part of the housing, the microphone is built in at a position apart from the central part in the lower front part of the housing. The housing surface has a concave portion or a convex portion formed in the lower right portion of the front surface or the lower left portion of the front surface in accordance with the built-in position of the microphone, and a microphone hole is formed in the concave portion or the convex portion, or a microphone is formed in the vicinity of the concave portion or the convex portion. The mobile wireless telephone is characterized in that the position of the microphone hole is formed by forming a hole and allowing the caller to touch the concave portion or the convex portion with the hand holding the housing. Have an effect.
【００１７】ハウジング正面下部の中央部よりも正面
右下部あるいは正面左下部は比較的部品の設置スペース
を確保し易いのでマイクロホンをこれらの位置に内蔵す
ることにより、携帯無線電話機に内蔵する基板、部品の
配置設計の自由度が高まり、電話機全体をより小型化す
ることが可能になる。Since the front right lower part or the front left lower part of the front lower part of the housing is relatively easy to secure a space for installing parts, a microphone and a built-in microphone are installed in these positions. The degree of freedom in layout design is increased, and the entire telephone can be made smaller.
【００１８】ハウジング正面右下部あるいは正面左下
部にマイク孔を開口することにより、従来の正面下部中
央部にマイク孔を開口していた場合に比べ、受話部（ス
ピーカ設置部）と送話部（マイクロホン設置部）との距
離を長くできる。従って、携帯無線電話機全体の小型化
が容易になる。また、マイクロホンを棒の先端部に取り
つけ、ハウジングに対して、この棒を出し入れ、あるい
は棒の後端部を中心に回動させるなどして、マイクロホ
ンの位置調整をする等の複雑な機構を備える必要がな
く、部品点数が少なく、コストもかからない。By opening a microphone hole in the lower right part of the front of the housing or in the lower left part of the front of the housing, as compared with the conventional case where the microphone hole is opened in the lower center part of the front part, the receiving section (speaker installation section) and the transmitting section ( The distance to the microphone installation part) can be increased. Therefore, it is easy to reduce the size of the entire mobile wireless phone. In addition, the microphone is attached to the tip of the rod, and the rod is provided in and out of the housing, or a complicated mechanism for adjusting the position of the microphone by rotating the rod around the rear end is provided. There is no need, the number of parts is small, and the cost is low.
【００１９】凹部または凸部が形成され、この凹部ま
たは凸部にマイク孔あるいはこの凹部または凸部の近傍
にマイク孔が形成されているので、通話者は確実にマイ
ク位置を手の触れた感触で認識できるので、通話中にマ
イク孔を手で塞いでしまうことがなく、通話を始終良好
に行える。Since the concave portion or the convex portion is formed and the microphone hole is formed in the concave portion or the convex portion or the microphone hole is formed in the vicinity of the concave portion or the convex portion, the caller is sure to feel the microphone position with the touch. Since it can be recognized by, the microphone hole is not blocked by the hand during a call, and the call can be performed all the time.
【図１】本発明の第１実施例を示す携帯無線電話機の正
面下部を斜め上方より見下ろした下部斜視図。FIG. 1 is a bottom perspective view of a lower portion of a front surface of a mobile wireless telephone showing a first embodiment of the present invention as viewed obliquely from above.
【図２】（ａ），（ｂ）はそれぞれ本発明に基づく第２
実施例、第３実施例に係る、マイク孔と凹部との構成例
を示す携帯無線電話機の下部正面図。2 (a) and 2 (b) are each a second embodiment of the present invention.
FIG. 6 is a bottom front view of the mobile wireless phone showing a configuration example of the microphone hole and the recess according to the embodiment and the third embodiment.
【図３】（ａ）は本発明の第４実施例を示す携帯無線電
話機の正面下部を斜め上方より見下ろした下部斜視図、
（ｂ）は同図（ａ）に示す半円状凸部１３ａ，１３ｂの
部分断面図。FIG. 3A is a perspective view of a lower part of a mobile radio telephone showing a fourth embodiment of the present invention, in which a lower front part is looked down obliquely from above;
(B) is a partial cross-sectional view of the semicircular protrusions 13a, 13b shown in (a).
【図４】（ａ），（ｂ）はそれぞれ本発明に基づく第５
実施例、第６実施例に係る、マイク孔と凸部との構成例
を示す携帯無線電話機の下部正面図。FIG. 4 (a) and (b) are respectively the fifth embodiment of the present invention.
The lower part front view of the portable radio telephone which shows the example of composition of a microphone hole and a convex part concerning an example and a 6th example.
１，１１ ：ハウジング ２，１２
：操作ボタン ３，３’，３’’：凹部 ４，１４
：マイク孔 １３ａ，１３ｂ，１３’，１３’’：凸部 １５ ：マイクロホン1,11: Housing 2,12
: Operation buttons 3, 3 ', 3'': Recesses 4, 14
: Microphone holes 13a, 13b, 13 ', 13'': Convex part 15: Microphone
Claims (1)
ジング正面下部にマイク孔がそれぞれ開口された携帯無
線電話機において、マイクロホンはハウジング正面下部
における中央部から外れた位置に内蔵され、前記ハウジ
ング表面は前記マイクロホンの内蔵位置に合わせて正面
右下部あるいは正面左下部に凹部または凸部が形成さ
れ、この凹部または凸部、あるいはこの凹部または凸部
の近傍にマイク孔が形成され、通話者がハウジングを把
持する手でこの凹部または凸部に接触することによりマ
イク孔の位置を認識できることを特徴とする携帯無線電
話機。1. In a portable wireless telephone having a speaker hole in the upper front part of the housing and a microphone hole in the lower front part of the housing, the microphone is built in at a position off the central part of the lower front part of the housing, and the housing surface is A concave portion or a convex portion is formed in the lower right portion of the front surface or a lower left portion of the front surface in accordance with the built-in position of the microphone, and a microphone hole is formed in the concave portion or the convex portion, or in the vicinity of the concave portion or the convex portion, so that the caller grips the housing. A portable wireless telephone characterized in that the position of the microphone hole can be recognized by touching the concave portion or the convex portion with a hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6245937A JPH08111704A (en) | 1994-10-12 | 1994-10-12 | Portable radio telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6245937A JPH08111704A (en) | 1994-10-12 | 1994-10-12 | Portable radio telephone set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08111704A true JPH08111704A (en) | 1996-04-30 |
Family
ID=17141081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6245937A Pending JPH08111704A (en) | 1994-10-12 | 1994-10-12 | Portable radio telephone set |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08111704A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1528760A1 (en) * | 2003-10-30 | 2005-05-04 | Nec Corporation | Mobile telephone |
| WO2022201689A1 (en) * | 2021-03-22 | 2022-09-29 | 株式会社Ｊｖｃケンウッド | Headphone |
-
1994
- 1994-10-12 JP JP6245937A patent/JPH08111704A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1528760A1 (en) * | 2003-10-30 | 2005-05-04 | Nec Corporation | Mobile telephone |
| US7483725B2 (en) | 2003-10-30 | 2009-01-27 | Nec Corporation | Mobile telephone |
| WO2022201689A1 (en) * | 2021-03-22 | 2022-09-29 | 株式会社Ｊｖｃケンウッド | Headphone |
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