JPS6188699A - Piezoelectric type receiver - Google Patents

Piezoelectric type receiver

Info

Publication number
JPS6188699A
JPS6188699A JP20911784A JP20911784A JPS6188699A JP S6188699 A JPS6188699 A JP S6188699A JP 20911784 A JP20911784 A JP 20911784A JP 20911784 A JP20911784 A JP 20911784A JP S6188699 A JPS6188699 A JP S6188699A
Authority
JP
Japan
Prior art keywords
coil
ceramic plate
piezoelectric ceramic
inner case
piezoelectric
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
Application number
JP20911784A
Other languages
Japanese (ja)
Inventor
Kenzo Miura
三浦 研造
Isanaga Yasuno
功修 安野
Yutaka Aoba
青葉 豊
Kazuhiko Kajiwara
和彦 梶原
Hidesuke Osumi
大角 秀介
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP20911784A priority Critical patent/JPS6188699A/en
Publication of JPS6188699A publication Critical patent/JPS6188699A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)

Abstract

PURPOSE:To attain listening of telephone call by a telephone coil of a hearing aid by winding a coil around the peripheral of the inner case of a piezoelectric type receiver and using the coil to generate a signal magnetic flux. CONSTITUTION:A piezoelectric ceramic plate 2 is adhered to the rear face of a discoid metallic diaphragm, a lead 4 is drawn out of one electrode face of the piezoelectric ceramic plate 2 and connected to an output terminal 5. On the other hand, the metallic diaphragm 1 is clipped with an outer case 3 made of a nonmagnetic substance and an inner case 9 made of an insulator and supported fixedly. One electrode face of the piezoelectric ceramic plate 2 is connected to the outer case 3 through the metallic diaphragm 1. The coil 6 is wound around a notch 8 provided to the peripheral of the inner case 9 made of the insulator. The output terminal of the coil 6 is connected respectively to coil terminals 7, 7' provided to a printed board 10 caulked and fixed to the rear face of the inner case 9.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、例えば電話機の受話器として使用した場合に
、補聴器で聴取可能なように漏洩磁束を発生させること
の出来る圧電型受話器に関するものである。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a piezoelectric receiver that, when used as a telephone receiver, for example, can generate leakage magnetic flux so that it can be heard with a hearing aid.

従来例の構成とその問題点 従来の圧電型受話器に於ては、受話音声に依る漏洩磁束
は全く発生しないため、補聴器に内蔵されているテレホ
ンコイルに依る聴取は全く不可能であった。
Conventional Structure and Problems In the conventional piezoelectric receiver, no leakage magnetic flux is generated due to the received voice, so listening using the telephone coil built into the hearing aid is completely impossible.

2 ベー。2 Bae.

発明の目的 本発明は、上記従来の欠点を除去するものであシ、圧電
型受話器を用いた電話機に於ても、補聴器のテレホンコ
イルによる聴取を充分活用できる様にすることを目的と
するものである。
Purpose of the Invention The present invention aims to eliminate the above-mentioned drawbacks of the prior art, and also aims to make it possible to fully utilize the telephone coil of a hearing aid even in a telephone set using a piezoelectric receiver. It is.

発明の構成 本発明は、上記目的を達成するために、圧電型受話器の
内部筐体の外周上にコイルを巻回し、そのコイルに依っ
て信号磁束を発生させ、補聴器のテレホンコイルに依っ
て電話受聴を可能々らしめる効果を有するものである。
Structure of the Invention In order to achieve the above-mentioned object, the present invention winds a coil around the outer periphery of the inner casing of a piezoelectric handset, generates a signal magnetic flux using the coil, and uses the telephone coil of a hearing aid to generate a telephone call. This has the effect of making listening possible.

実施例の説明 以下に本発明の一実施例の構成について、図面と共に説
明する。図面は、本発明による圧電型受話器の一実施例
を示すものである。
DESCRIPTION OF EMBODIMENTS The configuration of an embodiment of the present invention will be described below with reference to the drawings. The drawing shows an embodiment of a piezoelectric handset according to the invention.

図面に於て、1は円形状の金属振動板でその背面に圧電
セラミック板2ではり着けられており、更に圧電セラミ
ック板2の一方の電極面からIJ−ド線4が引き出され
、出力端子5に接続されている。一方、金属振動板1は
、非磁性体から成る外3・\− ケース3と絶縁体からなる内部筐体9とによって狭まれ
、固定支持されている。圧電セラミック板2のもう一方
の電極面は、金属振動板1を通して外ケース3に接続さ
れている。
In the drawing, reference numeral 1 denotes a circular metal diaphragm, and a piezoelectric ceramic plate 2 is attached to the back of the plate 1. Furthermore, an IJ-wire 4 is drawn out from one electrode surface of the piezoelectric ceramic plate 2, and is connected to an output terminal. 5. On the other hand, the metal diaphragm 1 is fixedly supported by an outer case 3 made of a non-magnetic material and an inner case 9 made of an insulating material. The other electrode surface of the piezoelectric ceramic plate 2 is connected to the outer case 3 through the metal diaphragm 1.

なお、絶縁体から成る内部筺体9の周辺部分に切り欠き
部8が設けられ、切シ欠き部8内にコイル6が巻回され
ている。コイル6の出力端は、内部筺体9の背面にかし
め固定されたプリント基板10に設けたコイル端子部7
.及び7′にそれぞれ接続されている。コイル端子部7
.プリント基板10、出力端子5.リード線4を経て、
圧電セラミック板2の一方の電極面に、まだコイル端子
部7′はプリント基板10.外ケース3を経て、圧電セ
ラミック板2の他方の電極面にそれぞれ接続されており
、外部から圧電セラミックに信号電圧が供給された場合
は、同時にコイル6にも信号電流が流れ、本圧電受話器
前面方向に、信号磁束を発生する。
Note that a notch 8 is provided in the peripheral portion of the internal casing 9 made of an insulator, and the coil 6 is wound within the notch 8 . The output end of the coil 6 is connected to a coil terminal portion 7 provided on a printed circuit board 10 caulked to the back surface of the internal housing 9.
.. and 7', respectively. Coil terminal section 7
.. Printed circuit board 10, output terminal 5. Via lead wire 4,
On one electrode surface of the piezoelectric ceramic plate 2, the coil terminal portion 7' is still connected to the printed circuit board 10. They are connected to the other electrode surface of the piezoelectric ceramic plate 2 through the outer case 3, and when a signal voltage is supplied to the piezoelectric ceramic from the outside, a signal current also flows to the coil 6 at the same time, and the front surface of the piezoelectric receiver is A signal magnetic flux is generated in the direction.

発明の効果 本発明は上記の様な構成であり、以下に示す効果が得ら
れるものである。
Effects of the Invention The present invention has the above-described configuration, and provides the following effects.

本発明による第1の特徴は、圧電受話器に信号電流に比
例した磁束を発生させるだめのコイルを設けたことにあ
シ、コイルに充分な電流が流れる様にし、難聴者が補聴
器を装着して、圧電型受話器を使用した電話機により、
充分なる出力感度を以って、電話受聴することが可能と
なり、本来、圧電型受話器では全く不可能であった、補
聴器のテレホンコイルによる受聴2通話を可能としたも
のである 本発明による第2の特徴は、コイルが内部筐体周辺部に
巻回したことにあり、与えられた外径寸法に対し、最も
大きな径で巻回しているため発生する磁束は、与えられ
た寸法的制約条件内に於て最も効率よく、磁束を発生さ
せることが可能であシ、このことは受聴感度を高くする
ことが出来ることである。
The first feature of the present invention is that the piezoelectric receiver is provided with a coil that generates a magnetic flux proportional to the signal current. , a telephone using a piezoelectric handset,
The second aspect of the present invention is that it is possible to listen to a telephone call with sufficient output sensitivity, and that it is possible to listen to and talk twice using the telephone coil of a hearing aid, which was originally impossible with a piezoelectric receiver. The feature of the is that the coil is wound around the inner casing, and because it is wound with the largest diameter for a given outer diameter, the generated magnetic flux is within the given dimensional constraints. It is possible to generate magnetic flux most efficiently in this case, and this makes it possible to increase the listening sensitivity.

本発明による第3の特徴は、コイルが内部筐体の一部を
切シ欠いた部分に巻回してあり、外ケースによってコイ
ル部分が保護され、外部から損傷5 ベージ を受けることが全くないことである。
The third feature of the present invention is that the coil is wound around a cutout of a part of the internal casing, and the coil portion is protected by the outer case so that it is not damaged at all from the outside. It is.

以上の如く、本発明による圧電型受話器は薄型。As described above, the piezoelectric handset according to the present invention is thin.

軽量であり、補聴器のテレホンコイルによる電磁結合受
聴を可能にし、且つ、高感度で堅牢に構成することが出
来る特徴を持つものである。
It is lightweight, enables electromagnetic coupling listening using the telephone coil of a hearing aid, and has the characteristics of being highly sensitive and robust.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本発明の一実施例における圧電型受話器を示す断
面図である。 1・・・金属振動板、2・・・圧電セラミック板、3・
・・外ケース、4・・・リード線、5・・・出力端子、
6・・・コイル、7,7′・・・コイル端子部、8・・
・切り欠き部、9・・・内部筐体、10・・・プリント
基板。
The drawing is a sectional view showing a piezoelectric receiver according to an embodiment of the present invention. 1... Metal diaphragm, 2... Piezoelectric ceramic plate, 3...
...outer case, 4...lead wire, 5...output terminal,
6...Coil, 7,7'...Coil terminal section, 8...
- Notch portion, 9...inner housing, 10... printed circuit board.

Claims (1)

【特許請求の範囲】[Claims] 外ケースと前記外ケース内に装着される内部筺体と、前
記外ケース及び前記内部筺体とによって挾持される圧電
セラミック板と、前記内部筐体外周に設けた切欠部にコ
イルを巻回してなる圧電型受話器。
A piezoelectric device comprising an outer case, an inner casing installed in the outer casing, a piezoelectric ceramic plate held between the outer casing and the inner casing, and a coil wound around a cutout provided on the outer periphery of the inner casing. type handset.
JP20911784A 1984-10-05 1984-10-05 Piezoelectric type receiver Pending JPS6188699A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20911784A JPS6188699A (en) 1984-10-05 1984-10-05 Piezoelectric type receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20911784A JPS6188699A (en) 1984-10-05 1984-10-05 Piezoelectric type receiver

Publications (1)

Publication Number Publication Date
JPS6188699A true JPS6188699A (en) 1986-05-06

Family

ID=16567567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20911784A Pending JPS6188699A (en) 1984-10-05 1984-10-05 Piezoelectric type receiver

Country Status (1)

Country Link
JP (1) JPS6188699A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6298355U (en) * 1985-12-10 1987-06-23
WO1991019372A1 (en) * 1990-05-26 1991-12-12 Kyocera Corporation Piezoelectric sounding device and method of manufacturing the same
JPH0485940U (en) * 1990-11-29 1992-07-27
US5938404A (en) * 1997-06-05 1999-08-17 Mcdonnell Douglas Helicopter Company Oscillating air jets on aerodynamic surfaces
US6478541B1 (en) 2001-08-16 2002-11-12 The Boeing Company Tapered/segmented flaps for rotor blade-vortex interaction (BVI) noise and vibration reduction
US6543719B1 (en) 1997-06-05 2003-04-08 Mcdonnell Douglas Helicopter Co. Oscillating air jets for implementing blade variable twist, enhancing engine and blade efficiency, and reducing drag, vibration, download and ir signature

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6298355U (en) * 1985-12-10 1987-06-23
WO1991019372A1 (en) * 1990-05-26 1991-12-12 Kyocera Corporation Piezoelectric sounding device and method of manufacturing the same
US5321761A (en) * 1990-05-26 1994-06-14 Kyocera Corporation Piezoelectric sound generator and method of its manufacture
JPH0485940U (en) * 1990-11-29 1992-07-27
JPH0727717Y2 (en) * 1990-11-29 1995-06-21 岩崎通信機株式会社 Handset handset mounting structure
US5938404A (en) * 1997-06-05 1999-08-17 Mcdonnell Douglas Helicopter Company Oscillating air jets on aerodynamic surfaces
US6543719B1 (en) 1997-06-05 2003-04-08 Mcdonnell Douglas Helicopter Co. Oscillating air jets for implementing blade variable twist, enhancing engine and blade efficiency, and reducing drag, vibration, download and ir signature
US6478541B1 (en) 2001-08-16 2002-11-12 The Boeing Company Tapered/segmented flaps for rotor blade-vortex interaction (BVI) noise and vibration reduction

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