KR970032334A - Shielding structure of electromagnetic coupling - Google Patents

Shielding structure of electromagnetic coupling Download PDF

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Publication number
KR970032334A
KR970032334A KR1019960059668A KR19960059668A KR970032334A KR 970032334 A KR970032334 A KR 970032334A KR 1019960059668 A KR1019960059668 A KR 1019960059668A KR 19960059668 A KR19960059668 A KR 19960059668A KR 970032334 A KR970032334 A KR 970032334A
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South Korea
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components
electromagnetic coupling
shielding structure
component
local oscillators
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KR1019960059668A
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Korean (ko)
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KR100246657B1 (en
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미찌히로 고마쯔
다께시 모리이
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가다오까 마사다까
아루푸스 덴키 가부시키 가이샤
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H05K9/006—Casings specially adapted for signal processing applications, e.g. CATV, tuner, antennas amplifier
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane

Abstract

본 발명은 고주파기기에 있어서의 전자기적결합의 차폐성을 향상시키고, 조립작업성도 간략화하는 것이다. 프린트기판(5)의 장착영역이 이분할되고, 한쪽에는 프린트기판(5)의 표면에 회로부품(22)이 장착되고, 다른 쪽에는 프린트기판(5)의 이면에 회로부품(23)이 장착되어 있다. 회로부품(22,23)이 장착된 면의 반대측의 면전체에는 각각 접지전극(21a,21b)이 형성되어 있다.The present invention improves the shielding of electromagnetic coupling in high frequency equipment, and simplifies assembly workability. The mounting area of the printed circuit board 5 is divided into two, the circuit component 22 is mounted on the surface of the printed circuit board 5 on one side, and the circuit component 23 is mounted on the rear surface of the printed board 5 on the other side. It is. Ground electrodes 21a and 21b are formed on the entire surface on the opposite side to the surface on which the circuit components 22 and 23 are mounted.

Description

전자기적결합의 차폐구조Shielding structure of electromagnetic coupling

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

도 1은 본 발명에 관한 전자기적결합의 차폐장치의 일실시예를 나타내는 측면도.1 is a side view showing an embodiment of a shield of electromagnetic coupling according to the present invention.

도 2는 제 2예를 나타내는 측면도.2 is a side view showing a second example.

도 6은 고주파기기의 일예로서 더블컨버젼튜너의 고주파단 및 중간주파단을 나타내는 블록도.6 is a block diagram illustrating a high frequency end and an intermediate frequency end of a double conversion tuner as an example of a high frequency device.

Claims (20)

프린트기판을 복수의 영역으로 분할하고, 인접하는 각 영역의 반대측면에 부품을 장착하고, 각 부품장착면의 뒤측에 접지전극을 형성한 것을 특징으로 하는 전자기적결합의 차폐구조.A shielding structure for electromagnetic coupling, characterized by dividing a printed board into a plurality of regions, mounting components on opposite sides of adjacent regions, and forming a ground electrode on the rear side of each component mounting surface. 제 1항에 있어서, 인접하는 각 영역의 접지전극은 오버랩하도록 형성되어 있는 것을 특징으로 하는 전자기적 결합의 차폐구조.The shielding structure of electromagnetic coupling according to claim 1, wherein the ground electrodes of adjacent areas are overlapped. 제 2항에 있어서, 상기 접지전극의 오버랩부분이 전기적으로 접속되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.3. The shield structure of electromagnetic coupling according to claim 2, wherein an overlapping portion of said ground electrode is electrically connected. 제 3항에 있어서, 인접하는 각 영역이 시일드판에 의하여 간막이되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.The shielding structure of electromagnetic coupling according to claim 3, wherein each adjacent area is partitioned by a shield plate. 제 4항에 있어서, 상기 부품은 더블컨버젼튜너를 구성하는 제 1, 제 2국부발진기의 각 부품이며, 상기 각 부품이 상기 분할영역의 각각에 장착되어 있는 것을 특징으로 하는 전자기적 결합의 차폐구조.5. The shield of electromagnetic coupling according to claim 4, wherein the parts are respective parts of the first and second local oscillators constituting the double conversion tuner, and each of the parts is mounted in each of the divided regions. . 제 3항에 있어서, 상기 부품은 더블컨버젼튜너를 구성하는 제1, 제 2국부발진기의 각 부품이며, 이 각 부품이 상기 분할 영역의 각각에 장착되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.4. The electromagnetic coupling shielding structure according to claim 3, wherein the components are components of the first and second local oscillators constituting the double conversion tuner, and each component is mounted in each of the divided regions. . 제 2항에 있어서, 인접하는 각 영역이 시일드판에 의하여 간막이되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.The shielding structure of electromagnetic coupling according to claim 2, wherein each adjacent area is partitioned by a shield plate. 제 7항에 있어서, 상기 부품은 더블컨버젼튜너를 구성하는 제 1, 제 2국부발진기의 각 부품이며, 상기 각 부품이 상기 분할영역의 각각에 장착되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.8. The electromagnetic coupling shielding structure according to claim 7, wherein the components are components of the first and second local oscillators constituting the double conversion tuner, and each component is mounted in each of the divided regions. . 제 2항에 있어서, 인접하는 각 영역이 시일드판에 의하여 간막이됨과 동시에 상기 접지전극의 오버랩부분이 상기 시일드판에 의하여 전기적으로 접속되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.The shielding structure of electromagnetic coupling according to claim 2, wherein each adjacent area is partitioned by a shield plate and an overlapping portion of the ground electrode is electrically connected by the shield plate. 제 9항에 있어서, 상기 부품은 더블컨버젼튜너를 구성하는 제 1, 제 2국부발진기의 각 부품이며, 상기 각 부품이 상기 분할영역의 각각에 장착되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.10. The electromagnetic coupling shielding structure according to claim 9, wherein the components are components of the first and second local oscillators constituting the double conversion tuner, and each component is mounted in each of the divided regions. . 제 2항에 있어서, 상기 부품은 더블컨버젼튜너를 구성하는 제 1, 제 2국부발진기의 각 부품이며, 상기 각 부품이 상기 분할영역의 각각에 장착되어 있는 것을 특징으로 하는 전자기적 결합의 차폐구조.3. The shield of electromagnetic coupling according to claim 2, wherein the components are components of the first and second local oscillators constituting the double conversion tuner, and each component is mounted in each of the partitions. . 제 1항에 있어서, 인접하는 각 영역이 시일드판에 의하여 간막이되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.The shielding structure of electromagnetic coupling according to claim 1, wherein each adjacent area is partitioned by a shield plate. 제 12항에 있어서, 상기 부품은 더블컨버젼튜너를 구성하는 제 1, 제 2국부발진기의 각 부품이며, 상기 각 부품이 상기 분할영역의 각각에 장착되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.13. The electromagnetic coupling shielding structure according to claim 12, wherein the components are components of the first and second local oscillators constituting the double conversion tuner, and each component is mounted in each of the divided regions. . 제 1항에 있어서, 상기 부품은 더블컨버젼튜너를 구성하는 제 1, 제 2국부발진기의 각 부품이며, 상기 각 부품이 상기 분할영역의 각각에 장착되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.2. The electromagnetic coupling shielding structure according to claim 1, wherein the components are components of the first and second local oscillators constituting the double conversion tuner, and each component is mounted in each of the divided regions. . 복수의 프린트기판을 대략 수평방향으로 배치하고, 인접하는 각 프린트기판의 반대측면에 부품을 장착하고, 각 부품장착면의 뒤측에 접지전극을 형성함과 동시에 상기 프린트기판의 접지전극이 동일면상에서 전기적으로 접속되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.Arrange a plurality of printed boards in a substantially horizontal direction, mount components on opposite sides of adjacent printed boards, and form a ground electrode on the back side of each component mounting surface, and at the same time, the ground electrodes of the printed board may be electrically Shielding structure of electromagnetic coupling, characterized in that connected to. 제 15항에 있어서, 인접하는 각 프린트기판이 시일드판에 의하여 간막이되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.The shielding structure of electromagnetic coupling according to claim 15, wherein each adjacent printed board is partitioned by a shield plate. 제 16항에 있어서, 상기 부품은 더블컨버젼튜너를 구성하는 제 1, 제 2국부발진기의 각 부품이며, 상기 각 부품이 상기 복수의 프린트기판의 각각에 장착되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.17. The electromagnetic coupling of claim 16, wherein the components are components of the first and second local oscillators constituting the double conversion tuner, and each component is mounted on each of the plurality of printed circuit boards. Shielding structure. 제 15항에 있어서, 상기 프린트기판의 접지전극이 시일드판에 의하여 전기적으로 접속되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.The shielding structure of electromagnetic coupling according to claim 15, wherein the ground electrode of the printed board is electrically connected by a shield plate. 상기 부품은 더블컨버젼튜너를 구성하는 제 1, 제 2국부발진기의 각 부품이며, 이 각 부품이 상기 복수의 프린트기판의 각각에 장착되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.And said components are respective components of the first and second local oscillators constituting the double conversion tuner, and each component is mounted on each of said plurality of printed circuit boards. 제 15항에 있어서, 상기 부품은 더블컨버젼튜너를 구성하는 제 1, 제 2국부발진기의 각 부품이며, 이 각 부품이 상기 복수의 프린트기판의 각각에 장착되어 있는 것을 특징으로 하는 전자기적결합의 차폐구조.16. The electromagnetic coupling of claim 15, wherein the components are components of the first and second local oscillators constituting the double conversion tuner, and each component is mounted on each of the plurality of printed circuit boards. Shielding structure. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960059668A 1995-11-30 1996-11-29 Breaking structure for electromagnetic bond KR100246657B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31272095A JP3277979B2 (en) 1995-11-30 1995-11-30 Electromagnetic coupling shielding structure
JP7-312720 1995-11-30

Publications (2)

Publication Number Publication Date
KR970032334A true KR970032334A (en) 1997-06-26
KR100246657B1 KR100246657B1 (en) 2000-03-15

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KR1019960059668A KR100246657B1 (en) 1995-11-30 1996-11-29 Breaking structure for electromagnetic bond

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DE (1) DE19649433C2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1116641A (en) * 1997-06-24 1999-01-22 Alps Electric Co Ltd High frequency connector fitting structure
JP2000269678A (en) * 1999-03-16 2000-09-29 Matsushita Electric Ind Co Ltd High-frequency device
JP2002135669A (en) * 2000-10-26 2002-05-10 Alps Electric Co Ltd Digital broadcasting reception tuner
JP4747409B2 (en) 2000-11-09 2011-08-17 ソニー株式会社 Receiver
JP4659666B2 (en) 2006-04-18 2011-03-30 株式会社日立製作所 Broadcast receiving apparatus, tuner apparatus thereof, and distributor therefor
KR100765808B1 (en) 2007-05-22 2007-10-10 조봉식 A bidirectional communication plant care system
JP7112785B1 (en) * 2021-09-16 2022-08-04 イメージニクス株式会社 signal processor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8916194U1 (en) * 1989-11-28 1994-11-17 Siemens Ag Control device, in particular for controlling functions of a motor vehicle

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DE19649433A1 (en) 1997-06-05
JP3277979B2 (en) 2002-04-22
KR100246657B1 (en) 2000-03-15
DE19649433C2 (en) 2003-08-21
JPH09153697A (en) 1997-06-10

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