JPH031592U - - Google Patents
Info
- Publication number
- JPH031592U JPH031592U JP5970289U JP5970289U JPH031592U JP H031592 U JPH031592 U JP H031592U JP 5970289 U JP5970289 U JP 5970289U JP 5970289 U JP5970289 U JP 5970289U JP H031592 U JPH031592 U JP H031592U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- wave filter
- shield
- shield plate
- 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.)
- Granted
Links
- 238000010897 surface acoustic wave method Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
第１図は本考案に係る表面弾性波フイルタのシ
ールド構造を映像及び音声中間周波処理回路に適
応した場合の一実施例を示す分解斜視図、第２図
は第１図のシールド板の斜視図、第３図は第１図
の映像及び音声中間周波処理回路を組立てた状態
の要部を示す断面図、第４図は第３図の底面図、
第５図は第３図の映像及び音声中間周波処理回路
に半田付けを行つた状態のＢ−Ｂ線断面図、第６
図は本考案の他の実施例を示すシールド板の斜視
図、第７図は第６図のシールド板を用いた映像及
び音声中間周波処理回路の要部を示す断面図、第
８図は従来の映像及び音声中間周波処理回路にお
ける表面弾性波フイルタのシールド構造を示す分
解斜視図、第９図は第８図の映像及び音声中間周
波処理回路を組立てた状態の要部を示す断面図、
第１０図は第９図の映像及び音声中間周波処理回
路に半田付けを行つた状態のＡ−Ａ線断面図であ
る。
１……表面弾性波フイルタ、２……本体ケース
、３，４……入力端子、５，６……出力端子、７
，８……アース端子、１１……印刷配線板、３１
……シヤーシ本体、３２……端子、５１……スリ
ツト状貫通孔、６１……シールド板、６２……嵌
合部、６３……突起部、６４……シールド部。
FIG. 1 is an exploded perspective view showing an embodiment of the shielding structure of the surface acoustic wave filter according to the present invention applied to a video and audio intermediate frequency processing circuit, and FIG. 2 is a perspective view of the shield plate shown in FIG. 1. , FIG. 3 is a sectional view showing the main parts of the assembled video and audio intermediate frequency processing circuit of FIG. 1, FIG. 4 is a bottom view of FIG. 3,
Figure 5 is a cross-sectional view taken along the line B-B of the video and audio intermediate frequency processing circuit shown in Figure 3 in a state in which the circuit is soldered;
The figure is a perspective view of a shield plate showing another embodiment of the present invention, FIG. 7 is a sectional view showing the main parts of a video and audio intermediate frequency processing circuit using the shield plate of FIG. 6, and FIG. 8 is a conventional one. FIG. 9 is an exploded perspective view showing the shield structure of the surface acoustic wave filter in the video and audio intermediate frequency processing circuit of FIG.
FIG. 10 is a cross-sectional view taken along the line A-A of the video and audio intermediate frequency processing circuit of FIG. 9 in a state in which the circuit is soldered. 1... Surface acoustic wave filter, 2... Main body case, 3, 4... Input terminal, 5, 6... Output terminal, 7
, 8... Earth terminal, 11... Printed wiring board, 31
... Chassis body, 32 ... Terminal, 51 ... Slit-shaped through hole, 61 ... Shield plate, 62 ... Fitting part, 63 ... Projection part, 64 ... Shield part.
Claims (1)
スと電気的に接続をする嵌合部と、この嵌合部と
一体に設けて、前記表面弾性波フイルタの入力端
子と出力端子の間及びこれらと接続される回路間
のシールドを行うシールド部とを備えたシールド
板と、 前記表面弾性波フイルタのアース端子及び前記
シールド板のシールド部を挿入するためのスリツ
ト状挿入孔と、この挿入孔の近傍に形成したアー
スパターンとを備えた印刷配線板とを具備したこ
とを特徴とする表面弾性波フイルタのシールド構
造。[Claims for Utility Model Registration] A fitting portion that fits into the case of the surface acoustic wave filter and electrically connects to the case, and an input portion of the surface acoustic wave filter that is provided integrally with the fitting portion. a shield plate having a shield portion for shielding between terminals and output terminals and between circuits connected thereto; and a slit-like shape for inserting the earth terminal of the surface acoustic wave filter and the shield portion of the shield plate. A shield structure for a surface acoustic wave filter, comprising a printed wiring board having an insertion hole and a ground pattern formed near the insertion hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5970289U JPH0632715Y2 (en) | 1989-05-25 | 1989-05-25 | Shield structure of surface acoustic wave filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5970289U JPH0632715Y2 (en) | 1989-05-25 | 1989-05-25 | Shield structure of surface acoustic wave filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH031592U true JPH031592U (en) | 1991-01-09 |
| JPH0632715Y2 JPH0632715Y2 (en) | 1994-08-24 |
Family
ID=31586431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5970289U Expired - Lifetime JPH0632715Y2 (en) | 1989-05-25 | 1989-05-25 | Shield structure of surface acoustic wave filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632715Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5166358B2 (en) * | 2009-06-19 | 2013-03-21 | パナソニック株式会社 | Switch device |
-
1989
- 1989-05-25 JP JP5970289U patent/JPH0632715Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632715Y2 (en) | 1994-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |