JPH0317852U - - Google Patents
Info
- Publication number
- JPH0317852U JPH0317852U JP7648189U JP7648189U JPH0317852U JP H0317852 U JPH0317852 U JP H0317852U JP 7648189 U JP7648189 U JP 7648189U JP 7648189 U JP7648189 U JP 7648189U JP H0317852 U JPH0317852 U JP H0317852U
- Authority
- JP
- Japan
- Prior art keywords
- shield case
- shield
- oscillation circuit
- conductive plate
- case body
- 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
- 239000004020 conductor Substances 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 4
- 239000011888 foil Substances 0.000 claims 1
- 239000012212 insulator Substances 0.000 claims 1
- 238000000638 solvent extraction Methods 0.000 claims 1
Landscapes
- Noise Elimination (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図はこの考案に用いたシールドケース本体の構
造を説明するための平面図、第３図はその底面図
、第４図はシールドケース本体を外ケースに収納
した構造を説明するための断面図、第５図はその
一部を切欠いてシールドケース本体の収納状況を
見えるようにした正面図である。
１０……シールドケース本体、１１……導電板
部、１２……突条、Ａ〜Ｅ……凹没面部、２０…
…シールド蓋、３０……外ケース、４０Ａ〜４０
Ｅ……プリント板、５０……絶縁板、５１〜５４
……アンテナ導体、６０……ケーブル、７０……
電波吸収体。
Figure 1 is a sectional view showing an embodiment of this invention, Figure 2 is a plan view for explaining the structure of the shield case body used in this invention, Figure 3 is its bottom view, and Figure 4 is a shield case. FIG. 5 is a cross-sectional view for explaining the structure in which the case body is housed in the outer case, and FIG. 5 is a front view with a portion of the shield case body cut away to show how the shield case body is housed. DESCRIPTION OF SYMBOLS 10... Shield case main body, 11... Conductive plate part, 12... Projection, A-E... Recessed surface part, 20...
...Shield lid, 30...Outer case, 40A~40
E...Printed board, 50...Insulating board, 51-54
...Antenna conductor, 60...Cable, 70...
Radio wave absorber.
Claims (1)
発振回路を具備し、この発振回路で生成された極
超短波信号をアンテナから放射し、応答器から送
り返されて来る反射電波を受信回路で受信し、そ
の受信信号によつて応答器が持つデータを読取る
ように構成された送受信機において、 Ｂ 導電板部を有し、この導電板部の一方の面が
この導電板部と一体形成された突条によつて複数
の凹没面部に区画されて形成されたシールドケー
ス本体と、 Ｃ このシールドケース本体の開口面を導電体に
よつて閉塞するシールド蓋と、 Ｄ 上記シールドケース本体の各凹没面部の底面
に取付られたプリント板に実装した上記発振回路
及び受信回路と、 Ｅ 上記シールド蓋の上記受信回路及び発振回路
と対向する部分に被着した電波吸収体と、 Ｆ 上記シールドケース本体の上記導電板部の外
面に取付けた絶縁板と、 Ｇ この絶縁板に被着された導電箔によつて形成
したアンテナ導体と、 Ｈ 上記シールド蓋と上記アンテナ導体を支持し
た絶縁板を取付た状態でシールドケース本体を収
納する絶縁体によつて形成した外ケースと、 によつて構成したことを特徴とする送受信機。[Claims for Utility Model Registration] A: An oscillation circuit that oscillates a signal with a frequency in the ultra-high frequency range, and the ultra-high frequency signal generated by this oscillation circuit is radiated from an antenna and reflected back from a transponder. In a transmitter/receiver configured to receive radio waves with a receiving circuit and read data held by a transponder based on the received signal, B has a conductive plate part, and one surface of the conductive plate part is connected to the conductive plate. A shield case body formed by partitioning into a plurality of concave and recessed surfaces by protrusions formed integrally with the shield case body; C A shield lid that closes the opening surface of the shield case body with a conductor; D The above. The above-mentioned oscillation circuit and reception circuit mounted on a printed board attached to the bottom of each recessed surface part of the shield case main body, and E the radio wave absorber attached to the part of the above-mentioned shield lid facing the above-mentioned reception circuit and oscillation circuit. , F: an insulating plate attached to the outer surface of the conductive plate portion of the shield case body; G: an antenna conductor formed of conductive foil adhered to the insulating plate; H: supporting the shield lid and the antenna conductor. 1. A transmitter/receiver comprising: an outer case formed of an insulator that houses the shield case main body with an insulating plate attached thereto;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989076481U JP2517865Y2 (en) | 1989-06-28 | 1989-06-28 | Transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989076481U JP2517865Y2 (en) | 1989-06-28 | 1989-06-28 | Transceiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0317852U true JPH0317852U (en) | 1991-02-21 |
| JP2517865Y2 JP2517865Y2 (en) | 1996-11-20 |
Family
ID=31617990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989076481U Expired - Lifetime JP2517865Y2 (en) | 1989-06-28 | 1989-06-28 | Transceiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517865Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013123268A (en) * | 2010-11-12 | 2013-06-20 | Kmw Inc | Housing for communication |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5092603A (en) * | 1973-12-14 | 1975-07-24 | ||
| JPS6090899U (en) * | 1983-11-28 | 1985-06-21 | 日本電気株式会社 | Radio wave interference prevention structure |
| JPS60111146U (en) * | 1983-12-27 | 1985-07-27 | 株式会社日立国際電気 | Antenna support structure for small wireless communication equipment |
| JPS6329282A (en) * | 1986-07-14 | 1988-02-06 | アムテック テクノロジイ コーポレーション | Transponder available for body discrimination system |
-
1989
- 1989-06-28 JP JP1989076481U patent/JP2517865Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5092603A (en) * | 1973-12-14 | 1975-07-24 | ||
| JPS6090899U (en) * | 1983-11-28 | 1985-06-21 | 日本電気株式会社 | Radio wave interference prevention structure |
| JPS60111146U (en) * | 1983-12-27 | 1985-07-27 | 株式会社日立国際電気 | Antenna support structure for small wireless communication equipment |
| JPS6329282A (en) * | 1986-07-14 | 1988-02-06 | アムテック テクノロジイ コーポレーション | Transponder available for body discrimination system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013123268A (en) * | 2010-11-12 | 2013-06-20 | Kmw Inc | Housing for communication |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2517865Y2 (en) | 1996-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |