JPH0186732U - - Google Patents
Info
- Publication number
- JPH0186732U JPH0186732U JP18352887U JP18352887U JPH0186732U JP H0186732 U JPH0186732 U JP H0186732U JP 18352887 U JP18352887 U JP 18352887U JP 18352887 U JP18352887 U JP 18352887U JP H0186732 U JPH0186732 U JP H0186732U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- amplifies
- antenna
- receiving circuit
- 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
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Details Of Aerials (AREA)
- Structure Of Receivers (AREA)
Description
第1〜6図は本考案の第一実施例を示し、第1
図はワイヤレスヘツドホンの電気回路ブロツク図
、第2図はワイヤレスヘツドホンの一部破断正面
図、第3図は第2図を左側方から見た電源用ケー
スの一部破断側面図、第4図は同じく右側方から
見た受信回路用ケースの一部破断側面図、第5図
は送信器の一部破断正面図、第6図は送信器の電
気回路ブロツク図であり、第7,8図は本考案の
第二実施例を示し、第7図はワイヤレスイヤホン
の一部破断正面図、第8図は電気回路ブロツク図
であり、第9図は第一実施例の別例を示す電気回
路ブロツク図である。
3……電源としての電池、7……左側スピーカ
、15……受信回路、16……増幅回路、18…
…右側スピーカ、20,21……電源線、22…
…制御信号線、42b……シールド線、A……送
信器。
1 to 6 show the first embodiment of the present invention, and the first embodiment
The figure shows the electrical circuit block diagram of the wireless headphone, Figure 2 is a partially cutaway front view of the wireless headphone, Figure 3 is a partially cutaway side view of the power supply case seen from the left side of Figure 2, and Figure 4 is a partially cutaway side view of the power supply case. Similarly, FIG. 5 is a partially cutaway side view of the receiving circuit case seen from the right side, FIG. 5 is a partially cutaway front view of the transmitter, FIG. 6 is a block diagram of the electric circuit of the transmitter, and FIGS. 7 and 8 are A second embodiment of the present invention is shown, FIG. 7 is a partially cutaway front view of a wireless earphone, FIG. 8 is an electric circuit block diagram, and FIG. 9 is an electric circuit block diagram showing another example of the first embodiment. It is a diagram. 3... Battery as power supply, 7... Left speaker, 15... Receiving circuit, 16... Amplifying circuit, 18...
...Right speaker, 20, 21...Power line, 22...
...Control signal line, 42b...Shield wire, A...Transmitter.
Claims (1)
して受信する受信回路15と、同受信回路15か
ら出力される出力信号を増幅する増幅回路16と
、同増幅回路16から出力される出力信号を音声
信号に変換するスピーカ7,18と、これら受信
回路15及び増幅回路16を駆動する電源3とを
備え、前記増幅回路16とスピーカ7,18とを
接続する制御信号線22を囲むシールド線42b
、又は前記電源3と増幅回路16とを接続する電
源線20,21のうちの1本をアンテナと共用し
たことを特徴とするワイヤレス受信器。 A receiving circuit 15 that receives radio waves transmitted by the transmitter A via an antenna, an amplifying circuit 16 that amplifies the output signal output from the receiving circuit 15, and an amplifying circuit 16 that amplifies the output signal output from the amplifying circuit 16. A shielded wire 42b that includes speakers 7 and 18 that convert into signals, and a power source 3 that drives these receiving circuit 15 and amplifier circuit 16, and surrounds a control signal line 22 that connects the amplifier circuit 16 and speakers 7 and 18.
, or a wireless receiver characterized in that one of the power supply lines 20 and 21 connecting the power supply 3 and the amplifier circuit 16 is also used as an antenna.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18352887U JPH0186732U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18352887U JPH0186732U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0186732U true JPH0186732U (en) | 1989-06-08 |
Family
ID=31474948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18352887U Pending JPH0186732U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0186732U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011159449A (en) * | 2010-01-29 | 2011-08-18 | Nix Inc | Terminal insulating cover |
-
1987
- 1987-11-30 JP JP18352887U patent/JPH0186732U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011159449A (en) * | 2010-01-29 | 2011-08-18 | Nix Inc | Terminal insulating cover |
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