JPS6438856U - - Google Patents
Info
- Publication number
- JPS6438856U JPS6438856U JP13363987U JP13363987U JPS6438856U JP S6438856 U JPS6438856 U JP S6438856U JP 13363987 U JP13363987 U JP 13363987U JP 13363987 U JP13363987 U JP 13363987U JP S6438856 U JPS6438856 U JP S6438856U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic transducer
- amplifier
- acoustic
- transmitter
- receiver
- 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical group [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052753 mercury Inorganic materials 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Telephone Set Structure (AREA)
Description
第１図乃至第３図は考案の実施例を示し、第１
図は、コードレス電話機の要部切欠側面図、第２
図ａ及び第２図ｂは、四端子水銀スイツチの拡大
縦断面図、第３図は、水銀スイツチの接続状態を
示す結線図、第４図乃至第６図は従来例を示し、
第４図は、同上電話機の一部切欠側面図、第５図
は、二端子水銀スイツチの拡大縦断面図、第６図
は、同上の結線図である。
２ａ，５ａ……四端子水銀スイツチ、１……送
信アンプ、３……第１音響変換機、４……受信ア
ンプ、６……第２音響変換機。
Figures 1 to 3 show embodiments of the invention;
The figure shows a cutaway side view of the main parts of a cordless telephone.
Figures a and 2b are enlarged vertical cross-sectional views of a four-terminal mercury switch, Figure 3 is a wiring diagram showing the connection state of the mercury switch, and Figures 4 to 6 show conventional examples.
FIG. 4 is a partially cutaway side view of the same telephone, FIG. 5 is an enlarged vertical sectional view of the two-terminal mercury switch, and FIG. 6 is a wiring diagram of the same. 2a, 5a...four-terminal mercury switch, 1...transmission amplifier, 3...first acoustic transducer, 4...reception amplifier, 6...second acoustic transducer.
Claims (1)
音響変換機並びに第２音響変換機と、送信アンプ
と、受信アンプと、第１音響変換機が受話器とな
り、第２音響変換機が送話器として使用される姿
勢では第１音響変換機を受信アンプへ接続すると
同時に第２音響変換機を送信アンプへ接続すると
共に、第１音響変換機が送話器となり、第２音響
変換機が受話器として使用される姿勢では第１音
響変換機を送信アンプに接続すると同時に第２音
響変換機を受信アンプに接続するようにした四端
子水銀スイツチからなることを特徴とするコード
レス電話機。 A first device that has both functions as a receiver and a transmitter.
an acoustic transducer, a second acoustic transducer, a transmitting amplifier, a receiving amplifier, and receiving the first acoustic transducer in a posture in which the first acoustic transducer serves as a receiver and the second acoustic transducer is used as a transmitter; At the same time as connecting to the amplifier, the second acoustic transducer is connected to the transmitting amplifier, and in a position where the first acoustic converter is used as a transmitter and the second acoustic converter is used as a receiver, the first acoustic converter is connected to the transmitting amplifier. 1. A cordless telephone comprising a four-terminal mercury switch which simultaneously connects a second acoustic transducer to a receiving amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13363987U JPS6438856U (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13363987U JPS6438856U (en) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6438856U true JPS6438856U (en) | 1989-03-08 |
Family
ID=31391685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13363987U Pending JPS6438856U (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6438856U (en) |
-
1987
- 1987-08-31 JP JP13363987U patent/JPS6438856U/ja active Pending
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