JPH0277904U - - Google Patents
Info
- Publication number
- JPH0277904U JPH0277904U JP15798288U JP15798288U JPH0277904U JP H0277904 U JPH0277904 U JP H0277904U JP 15798288 U JP15798288 U JP 15798288U JP 15798288 U JP15798288 U JP 15798288U JP H0277904 U JPH0277904 U JP H0277904U
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- coupling
- electrode
- filter
- main surface
- 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
- 239000002131 composite material Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims 5
- 238000010168 coupling process Methods 0.000 claims 5
- 238000005859 coupling reaction Methods 0.000 claims 5
- 230000000903 blocking effect Effects 0.000 claims 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図、第２図、第３図および第４図は夫々本
考案に係る複合フイルタの実施例の斜視図、第５
図は第１図から第４図の複合フイルタの外装構造
の一例を示す斜視図、第６図は従来の複合フイル
タの斜視図である。
２…誘電体基板、３，４…共振電極パターン、
５…アース電極、６，７…ストリツプラインフイ
ルタ、２１…アンテナ共用器、２２…スリツト、
２３…電極、２４，２５…アンテナ共用器、２６
…スルーホール、２７…アンテナ共用器、２８…
電極、２９…金属ケース。
1, 2, 3, and 4 are perspective views of an embodiment of a composite filter according to the present invention, and FIG.
This figure is a perspective view showing an example of the exterior structure of the composite filter shown in FIGS. 1 to 4, and FIG. 6 is a perspective view of a conventional composite filter. 2... Dielectric substrate, 3, 4... Resonant electrode pattern,
5... Earth electrode, 6, 7... Stripline filter, 21... Antenna duplexer, 22... Slit,
23... Electrode, 24, 25... Antenna duplexer, 26
...Through hole, 27...Antenna duplexer, 28...
Electrode, 29...metal case.
Claims (1)
タユニツトのフイルタパターンが形成されてなり
、上記基板の他方の主面にアース電極が形成され
てなる複合フイルタにおいて、 上記基板は隣り合うフイルタユニツトのパター
ンの間にこれらフイルタユニツトの電磁的な結合
を遮断する結合遮断手段を有していることを特徴
とする複合フイルタ。 (2) 上記結合遮断手段は基板に形成されたスリ
ツトであることを特徴とする請求項(1)記載の複
合フイルタ。 (3) 上記スリツトの内周面にはアース電極に導
通する電極が形成されていることを特徴とする請
求項(2)記載の複合フイルタ。 (4) 上記結合遮断手段は基板の上記他方の主面
から一方の主面に貫通するスルーホール電極であ
ることを特徴とする請求項(1)記載の複合フイル
タ。 (5) 上記結合遮断手段は基板の上記他方の主面
のアース電極から基板の側表面を通り上記一方の
主面に導出された電極であることを特徴とする請
求項(1)記載の複合フイルタ。[Claims for Utility Model Registration] (1) A filter pattern of two or more filter units is formed on one main surface of one substrate, and a ground electrode is formed on the other main surface of the substrate. A composite filter characterized in that the substrate has coupling blocking means for blocking electromagnetic coupling between patterns of adjacent filter units. (2) The composite filter according to claim (1), wherein the coupling blocking means is a slit formed in the substrate. (3) The composite filter according to claim (2), wherein an electrode that is electrically connected to a ground electrode is formed on the inner circumferential surface of the slit. (4) The composite filter according to claim 1, wherein the coupling blocking means is a through-hole electrode penetrating from the other principal surface to one principal surface of the substrate. (5) The composite according to claim (1), wherein the coupling breaking means is an electrode led out from the ground electrode on the other main surface of the substrate to the one main surface through the side surface of the substrate. filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15798288U JPH0277904U (en) | 1988-12-01 | 1988-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15798288U JPH0277904U (en) | 1988-12-01 | 1988-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0277904U true JPH0277904U (en) | 1990-06-14 |
Family
ID=31437902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15798288U Pending JPH0277904U (en) | 1988-12-01 | 1988-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0277904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010245804A (en) * | 2009-04-06 | 2010-10-28 | Hitachi Metals Ltd | Filter module and communication device |
| WO2020184205A1 (en) * | 2019-03-12 | 2020-09-17 | 株式会社村田製作所 | Filter device, and antenna module and communication device provided with filter device |
-
1988
- 1988-12-01 JP JP15798288U patent/JPH0277904U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010245804A (en) * | 2009-04-06 | 2010-10-28 | Hitachi Metals Ltd | Filter module and communication device |
| WO2020184205A1 (en) * | 2019-03-12 | 2020-09-17 | 株式会社村田製作所 | Filter device, and antenna module and communication device provided with filter device |
| US11894593B2 (en) | 2019-03-12 | 2024-02-06 | Murata Manufacturing Co., Ltd. | Filter device, and antenna module and communication device including the same |