JPS6170497U - - Google Patents
Info
- Publication number
- JPS6170497U JPS6170497U JP15385284U JP15385284U JPS6170497U JP S6170497 U JPS6170497 U JP S6170497U JP 15385284 U JP15385284 U JP 15385284U JP 15385284 U JP15385284 U JP 15385284U JP S6170497 U JPS6170497 U JP S6170497U
- Authority
- JP
- Japan
- Prior art keywords
- case
- hole
- handset
- leakage hole
- sound wave
- 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
- 239000000919 ceramic Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Telephone Set Structure (AREA)
Description
第１図は本考案電話用送話器の断面図、第２図
は従来例の断面図、第３図は本考案の等価回路説
明図、第４図は周波数特性図である。
１は振動系、２はケース、３は音波導入孔、４
は漏孔、５はハンドセツトケース、６は空胴であ
る。
FIG. 1 is a sectional view of the telephone transmitter of the present invention, FIG. 2 is a sectional view of a conventional example, FIG. 3 is an explanatory diagram of an equivalent circuit of the present invention, and FIG. 4 is a frequency characteristic diagram. 1 is the vibration system, 2 is the case, 3 is the sound wave introduction hole, 4
5 is a leak hole, 5 is a handset case, and 6 is a cavity.
Claims (1)
板１２とからなる振動系１を覆うケース２の正面
に、音波導入孔３を、また側面に漏孔４をそれぞ
れ穿設した電話用の送信器エレメントをハンドセ
ツトケース５内に保持し、前記漏孔４をケース２
とハンドセツトケース５とで形成される空胴６に
連通せしめ、当該空胴６と前記漏孔４、およびケ
ース２の容量とによりローカツトフイルタを形成
させたことを等徴とする電話用送話器。 A transmitter element for a telephone, in which a sound wave introduction hole 3 is formed in the front of a case 2 that covers a vibration system 1 consisting of a ceramic piezoelectric element 11 and a metal diaphragm 12, and a leakage hole 4 is formed in the side. is held in the handset case 5, and the leak hole 4 is inserted into the case 2.
and a handset case 5, and the hollow 6, the leakage hole 4, and the capacity of the case 2 form a low-cut filter. speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15385284U JPS6170497U (en) | 1984-10-11 | 1984-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15385284U JPS6170497U (en) | 1984-10-11 | 1984-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6170497U true JPS6170497U (en) | 1986-05-14 |
Family
ID=30711867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15385284U Pending JPS6170497U (en) | 1984-10-11 | 1984-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6170497U (en) |
-
1984
- 1984-10-11 JP JP15385284U patent/JPS6170497U/ja active Pending
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