JPWO2005104604A1 - Wiring method to prevent howling phenomenon of earphone microphone - Google Patents

Wiring method to prevent howling phenomenon of earphone microphone Download PDF

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Publication number
JPWO2005104604A1
JPWO2005104604A1 JP2006512466A JP2006512466A JPWO2005104604A1 JP WO2005104604 A1 JPWO2005104604 A1 JP WO2005104604A1 JP 2006512466 A JP2006512466 A JP 2006512466A JP 2006512466 A JP2006512466 A JP 2006512466A JP WO2005104604 A1 JPWO2005104604 A1 JP WO2005104604A1
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earphone
microphone
wiring
earphone microphone
wiring method
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Japanese (ja)
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花緒利 今西
花緒利 今西
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Abstract

イヤホンマイクをして携帯電話もしくは一般電話へ電話すると、電話を受ける人の声がエコーのように跳ね返ってきて、電話を受ける側でハウリングが起きてしまう現象を防止できるイヤホンマイクのコードの配線法である。Wiring method of the cord of the earphone microphone that prevents the phenomenon that the voice of the person receiving the call bounces back like an echo when the phone is connected to the mobile phone or the ordinary phone with the earphone microphone, and the howling occurs on the side of the receiver It is.

Description

この発明は、イヤホンマイクから送信したものを相手受信者が受ける時、相手受信者が話した音声が相手受信者に時間遅れの形で戻ってきて生じるハウリング現象を解消するためのイヤホンマイクコードの配線法に関する。  The present invention provides an earphone microphone cord for eliminating a howling phenomenon that occurs when a partner receiver receives what is transmitted from an earphone microphone and the voice spoken by the partner receiver returns to the partner receiver in a time-delayed manner. It relates to the wiring method.

従来のイヤホンマイクは、イヤホンマイクから送信したものを相手受信者が受ける時、相手受信者が話した音声が相手受信者に時間遅れの形で戻ってくるという問題がある。この原因は、送信側のイヤホンマイクの中で、イヤホンの音がマイク側にリークすることにある。そこで、そのリークの項目は次のものとなる。
１．ヤホンから音が漏れてマイクに入る。２．イヤホン電流による電磁誘導でもれる。（マイクロホン線上に）３．容量によりカップリングする。４．プリント線間の汚れによる絶縁悪化でリークする。５．アナログ配線の不適切さでリークする。
そこで、平行線を分離し、イヤホンとマイクを引き離して実験した結果、ハウリングが確認された。よって、ハウリングの原因は上記の１，２と３以外の原因によるものと推定した。
従来のイヤホンマイクの配線は、イヤホンのコードとマイクロホンのコードが一体になっては配線される。このような配線方法においては、共通のグラウンド ラインが長くなり、線材の内部抵抗の影響でイヤホン電流のグラウンド電流による電位変化生じ、あたかもマイクロホンに音が入ったかのようにマイクロホンの出力が変化する。この変化がエコーとなって発生している。
本発明は、イヤホンマイクの配線方法を改善し、ハウリング現象を無くすことを目的とする。The conventional earphone microphone has a problem that when the other party receiver receives what is transmitted from the earphone microphone, the voice spoken by the other party receiver returns to the other party receiver in a time delayed manner. This is because the sound of the earphone leaks to the microphone side in the earphone microphone on the transmission side. Therefore, the leak item is as follows.
1. Sound leaks from the earphone and enters the microphone. 2. It can be electromagnetic induction by earphone current. (On the microphone line) 3. Coupling by volume. 4). Leakage due to deterioration of insulation due to contamination between printed lines. 5. Leak due to improper analog wiring.
Therefore, howling was confirmed as a result of experiment with separating parallel lines and separating earphone and microphone. Therefore, it was estimated that the cause of howling was due to causes other than the above-mentioned 1, 2 and 3.
The wiring of the conventional earphone microphone is wired when the cord of the earphone and the cord of the microphone are integrated. In such a wiring method, the common ground line becomes long, and a potential change due to the ground current of the earphone current occurs due to the internal resistance of the wire, and the output of the microphone changes as if sound enters the microphone. This change occurs as an echo.
An object of the present invention is to improve an earphone microphone wiring method and eliminate a howling phenomenon.

本発明は、イヤホンマイクのコードの配線において、イヤホン信号線とマイクロホン信号線を分離配線し、イヤホン電流線とマイクロホン電流線の電流差によって生じる電位差が共通線で発生しないようにしてハウリング現象を解消する。  The present invention eliminates the howling phenomenon by separating the earphone signal line and the microphone signal line in the wiring of the earphone microphone cord so that the potential difference caused by the current difference between the earphone current line and the microphone current line does not occur in the common line. To do.

第１図は片耳用イヤホンマイクの配線図です。第２図は両耳用イヤホンマイクの配線図です。第３図、第４図と第５図は、上記の配線法の実用例の配線図です。Fig. 1 is a wiring diagram of a single earphone microphone. Fig. 2 is a wiring diagram of the earphone microphone for both ears. Figures 3, 4 and 5 are wiring diagrams of practical examples of the above wiring method.

第１図は、片耳用イヤホンマイクの配線図である。従来のイヤホンマイクの配線は、イヤホン線はプリント板を経由していて、イヤホン線とマイク線が近接している。第一図で示した配線は、イヤホン（ＳＰＥＡＫＥＲ）線２本（赤、金）はプリント板を経由していないため、イヤホン線とマイク線が近接し、共通のグラウンド ラインが長くなり、線材の内部抵抗の影響でイヤホン電流のグラウンド電流による電位変化生じて発生するハウリング現象を解消した。
第２図は、両耳用イヤホンマイクの配線図である。従来のイヤホンマイクの配線は、イヤホン線とマイク線は同芯線を使っている。第２図で示した配線は、二個のイヤホン（ＳＰＥＡＫＥＲ）の赤線２本が、電話端子まで同一３芯線を使用する。これによって、イヤホン線とマイク線が近接し、共通のグラウンド ラインが長くなり、線材の内部抵抗の影響でイヤホン電流のグラウンド電流による電位変化生じて発生するハウリング現象を解消した。FIG. 1 is a wiring diagram of an earphone microphone for one ear. In the wiring of the conventional earphone microphone, the earphone line passes through the printed board, and the earphone line and the microphone line are close to each other. In the wiring shown in Fig. 1, the two earphone (SPEAKER) wires (red and gold) do not go through the printed board, so the earphone wire and the microphone wire are close to each other, the common ground line becomes longer, The howling phenomenon caused by the potential change caused by the ground current of the earphone current due to the internal resistance was solved.
FIG. 2 is a wiring diagram of a binaural earphone microphone. In the conventional earphone microphone wiring, the earphone wire and the microphone wire use concentric wires. In the wiring shown in FIG. 2, two red wires of two earphones (SPEAKER) use the same three-core wire to the telephone terminal. As a result, the earphone line and the microphone line are close to each other, the common ground line is lengthened, and the howling phenomenon caused by the potential change caused by the ground current of the earphone current due to the internal resistance of the wire is eliminated.

以上のように、本発明はイヤホンマイクの配線方法として、ハウリング現象のないイヤホンマイクマイクの製造に用いるのに適している。  As described above, the present invention is suitable as an earphone microphone wiring method for manufacturing an earphone microphone microphone without a howling phenomenon.

Claims (2)

イヤホンマイクのコードの配線において、イヤホン信号線とマイクロホン信号線を分離配線することを特徴とするイヤホンマイクの配線法。A method for wiring an earphone microphone, wherein the earphone signal line and the microphone signal line are separately wired in the wiring of the earphone microphone cord. 図３、図４と図５において、イヤホン信号線とマイクロホン信号線を分離配線することを特徴とする請求の範囲第一項記載のイヤホンマイクの配線法。3. The earphone microphone wiring method according to claim 1, wherein the earphone signal line and the microphone signal line are separately wired in FIG. 3, FIG. 4, and FIG.
JP2006512466A 2004-04-23 2004-04-23 Wiring method to prevent howling phenomenon of earphone microphone Pending JPWO2005104604A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2004/005960 WO2005104604A1 (en) 2004-04-23 2004-04-23 Wiring method for preventing howling of earphone microphone

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JPWO2005104604A1 true JPWO2005104604A1 (en) 2008-03-13

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9544688B1 (en) 2014-01-29 2017-01-10 Clear-Com, LLC Low cross-talk headset

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0520492U (en) * 1991-08-23 1993-03-12 株式会社オーデイオテクニカ Earphone with microphone
JPH0585145U (en) * 1992-04-14 1993-11-16 アツデン株式会社 Ear set
JPH1056682A (en) * 1996-08-07 1998-02-24 Hosiden Corp Earphone microphone
JPH1075288A (en) * 1996-06-05 1998-03-17 Kazuyoshi Ito External sound leakage preventing tool for portable telephone set
JP2003188967A (en) * 2001-12-18 2003-07-04 Sony Corp Headset

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0520492U (en) * 1991-08-23 1993-03-12 株式会社オーデイオテクニカ Earphone with microphone
JPH0585145U (en) * 1992-04-14 1993-11-16 アツデン株式会社 Ear set
JPH1075288A (en) * 1996-06-05 1998-03-17 Kazuyoshi Ito External sound leakage preventing tool for portable telephone set
JPH1056682A (en) * 1996-08-07 1998-02-24 Hosiden Corp Earphone microphone
JP2003188967A (en) * 2001-12-18 2003-07-04 Sony Corp Headset

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