JPH0415341U - - Google Patents
Info
- Publication number
- JPH0415341U JPH0415341U JP5502390U JP5502390U JPH0415341U JP H0415341 U JPH0415341 U JP H0415341U JP 5502390 U JP5502390 U JP 5502390U JP 5502390 U JP5502390 U JP 5502390U JP H0415341 U JPH0415341 U JP H0415341U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- handset
- piezoelectric element
- metal diaphragm
- sound emitting
- 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
- 239000002184 metal Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Description
第１図は本考案の圧電型受話器の概略断面図で
ある。第２図は音域周波数と音圧レベルの特性を
示す特性図であり、線Ｘは本考案品に係わる特性
であり、線Ｙは従来品に係わる特性である。第３
図ａ，ｂは本考案の他の実施例の圧電型受話器の
概略断面図である。第４図は従来の圧電型受話器
の概略断面図である。
１，４１……圧電レシーバ、２，４２……ハン
ドセツト、３，４３……金属振動板、４，４４…
…圧電磁器、５，４５……圧電素子、６……支持
枠体、７……裏面ケース、１５……容積規定部材
、２１……補強用支持体。
FIG. 1 is a schematic cross-sectional view of the piezoelectric receiver of the present invention. FIG. 2 is a characteristic diagram showing the characteristics of sound range frequency and sound pressure level, where line X is the characteristic related to the product of the present invention, and line Y is the characteristic related to the conventional product. Third
Figures a and b are schematic cross-sectional views of a piezoelectric receiver according to another embodiment of the present invention. FIG. 4 is a schematic cross-sectional view of a conventional piezoelectric telephone receiver. 1,41...Piezoelectric receiver, 2,42...Handset, 3,43...Metal diaphragm, 4,44...
... Piezoelectric ceramic, 5, 45 ... Piezoelectric element, 6 ... Support frame, 7 ... Back case, 15 ... Volume regulating member, 21 ... Reinforcement support.
Claims (1)
と該圧電素子の支持枠体とから成る圧電レシーバ
を、放音穴が形成されたハンドセツトに装着した
圧電型受話器において、 前記圧電素子の金属振動板とハンドセツトの放
音穴との間に、単一のキヤビテイーを形成したこ
とを特徴とする圧電型受話器。 (2) 金属振動板に圧電磁器を貼着した圧電素子
と該圧電素子の支持枠体とから成る圧電レシーバ
をハンドセツトの内部支持体とから成る圧電レシ
ーバをハンドセツトの内部支持体に装着した圧電
型受話器において、 前記圧電素子の金属振動板とハンドセツトの放
音穴との間に、キヤビテイー容積の規定部材を配
置したことを特徴とする圧電型受話器。[Claims for Utility Model Registration] (1) A piezoelectric device in which a piezoelectric receiver consisting of a piezoelectric element in which a piezoelectric ceramic is adhered to a metal diaphragm and a support frame for the piezoelectric element is attached to a handset in which a sound emitting hole is formed. A piezoelectric type handset, characterized in that a single cavity is formed between the metal diaphragm of the piezoelectric element and the sound emitting hole of the handset. (2) A piezoelectric type in which a piezoelectric receiver consisting of a piezoelectric element made of a piezoelectric ceramic adhered to a metal diaphragm and a support frame for the piezoelectric element is attached to the internal support of the handset. A piezoelectric handset, characterized in that a cavity volume defining member is disposed between the metal diaphragm of the piezoelectric element and the sound emitting hole of the handset.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5502390U JPH0415341U (en) | 1990-05-26 | 1990-05-26 | |
| PCT/JP1991/000719 WO1991019372A1 (en) | 1990-05-26 | 1991-05-24 | Piezoelectric sounding device and method of manufacturing the same |
| US07/809,545 US5321761A (en) | 1990-05-26 | 1991-05-24 | Piezoelectric sound generator and method of its manufacture |
| CA002066262A CA2066262C (en) | 1990-05-26 | 1991-05-24 | Piezoelectric sound generator and method of its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5502390U JPH0415341U (en) | 1990-05-26 | 1990-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0415341U true JPH0415341U (en) | 1992-02-07 |
Family
ID=31577608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5502390U Pending JPH0415341U (en) | 1990-05-26 | 1990-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415341U (en) |
-
1990
- 1990-05-26 JP JP5502390U patent/JPH0415341U/ja active Pending
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