JPH0342000U - - Google Patents
Info
- Publication number
- JPH0342000U JPH0342000U JP10200089U JP10200089U JPH0342000U JP H0342000 U JPH0342000 U JP H0342000U JP 10200089 U JP10200089 U JP 10200089U JP 10200089 U JP10200089 U JP 10200089U JP H0342000 U JPH0342000 U JP H0342000U
- Authority
- JP
- Japan
- Prior art keywords
- oscillation circuit
- local oscillation
- receiver
- shield case
- metal
- 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
- 230000010355 oscillation Effects 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 2
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Structure Of Receivers (AREA)
- Superheterodyne Receivers (AREA)
Description
第１図は本考案の一実施例を分解状態で示した
斜視図、第２図は第１図中のシールドケースの斜
視図、第３図は第１図中の局発回路の正面図、第
４図は第１図中のプリント基板の正面図、第５図
は本考案の前提技術を示す斜視図、第６図は第５
図のものの裏面を示す斜視図である。
７……シールドケース、８……第１の段部、１
０……第２の段部、１３……局発回路、１７……
プリント基板、２０……蓋板。
Fig. 1 is an exploded perspective view of an embodiment of the present invention, Fig. 2 is a perspective view of the shield case in Fig. 1, Fig. 3 is a front view of the local oscillator circuit in Fig. 1, FIG. 4 is a front view of the printed circuit board in FIG. 1, FIG. 5 is a perspective view showing the basic technology of the present invention, and FIG.
It is a perspective view showing the back side of the thing of a figure. 7... Shield case, 8... First step, 1
0...Second stage section, 13...Local oscillator circuit, 17...
Printed circuit board, 20...lid plate.
Claims (1)
部発振回路を埋設するための第１の段部と、該第
１の段部に連接し前記局部発振回路以外の部分を
収容する第２の段部とを有するシールドケースを
形成し、該シールドケースの内部に、前記局部発
振回路を第１の段部に埋設すると共に、その上部
に、該局部発振回路以外の回路を積重ねて第２の
段部に嵌着し、その上部を金属板の蓋体で閉塞し
て一体化したことを特徴とする受信機の電波洩れ
防止構造。 A first step made of metal for embedding a local oscillation circuit of a superheterodyne receiver, and a second step connected to the first step and accommodating a portion other than the local oscillation circuit. A shield case is formed, and inside the shield case, the local oscillation circuit is buried in a first step, and circuits other than the local oscillation circuit are stacked on top of the first step and are fitted into the second step. A structure for preventing radio wave leakage of a receiver, characterized in that the upper part of the receiver is closed with a metal plate lid body and integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10200089U JPH0342000U (en) | 1989-08-31 | 1989-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10200089U JPH0342000U (en) | 1989-08-31 | 1989-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0342000U true JPH0342000U (en) | 1991-04-22 |
Family
ID=31650920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10200089U Pending JPH0342000U (en) | 1989-08-31 | 1989-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342000U (en) |
-
1989
- 1989-08-31 JP JP10200089U patent/JPH0342000U/ja active Pending