JPS60160689U - handset transmitter/receiver - Google Patents
handset transmitter/receiverInfo
- Publication number
- JPS60160689U JPS60160689U JP4921384U JP4921384U JPS60160689U JP S60160689 U JPS60160689 U JP S60160689U JP 4921384 U JP4921384 U JP 4921384U JP 4921384 U JP4921384 U JP 4921384U JP S60160689 U JPS60160689 U JP S60160689U
- Authority
- JP
- Japan
- Prior art keywords
- transmitter
- handset
- receiver
- microphone
- handset transmitter
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は炭素形送話器の原理図、第２図は騒音形電話機
送話器部の原理図、第３図はこの考案の一実施例を示す
ハンドセット送受話装置の送話器部要部断面図、第４図
に実施例の感度−周波数特性図、第５図は実施例の指向
特性図である。
図中符号、７はハンドセットフレーム、８は送話孔、９
は振動板、１０はボイ長コイル、１１は永久磁石、１２
はヨークおよびプレート、１５は開口、１６は音道、１
７は音響管である。なお各図中同一符号は同一または相
当部分を示す。Fig. 1 is a diagram of the principle of a carbon-type transmitter, Fig. 2 is a diagram of the principle of a transmitter section of a noise-type telephone, and Fig. 3 is a diagram of the transmitter section of a handset transmitting/receiving device showing an embodiment of this invention. FIG. 4 is a sensitivity-frequency characteristic diagram of the embodiment, and FIG. 5 is a directional characteristic diagram of the embodiment. In the figure, 7 is a handset frame, 8 is a speaking hole, 9
is a diaphragm, 10 is a boi length coil, 11 is a permanent magnet, 12
is a yoke and a plate, 15 is an opening, 16 is a sound path, 1
7 is an acoustic tube. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
送受話装置において、ハンドセットフレームの送話器側
に送話孔とは別個に設けられた開口と、動電形マイクの
磁気回路部底部と上部とを貫通し、マイク振動板の後面
と、磁気回路底部外とを連絡する音道と、この音道と上
記フレームの開口とを連結する音響管とを備えたことを
特徴とするハンドセット送受話装置。(1) In a handset transmitter/receiver having a transmitter using an electrodynamic microphone, an opening provided on the transmitter side of the handset frame separately from the speaking hole, and an opening provided at the bottom of the magnetic circuit section of the electrodynamic microphone. A handset transmitter comprising: a sound path passing through the upper part of the microphone diaphragm and communicating between the rear surface of the microphone diaphragm and the outside of the bottom of the magnetic circuit; and an acoustic pipe connecting the sound path and the opening of the frame. Receiving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4921384U JPS60160689U (en) | 1984-04-04 | 1984-04-04 | handset transmitter/receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4921384U JPS60160689U (en) | 1984-04-04 | 1984-04-04 | handset transmitter/receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60160689U true JPS60160689U (en) | 1985-10-25 |
Family
ID=30566198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4921384U Pending JPS60160689U (en) | 1984-04-04 | 1984-04-04 | handset transmitter/receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60160689U (en) |
-
1984
- 1984-04-04 JP JP4921384U patent/JPS60160689U/en active Pending
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