JPH0368202A - Television system on vehicle - Google Patents
Television system on vehicleInfo
- Publication number
- JPH0368202A JPH0368202A JP20279289A JP20279289A JPH0368202A JP H0368202 A JPH0368202 A JP H0368202A JP 20279289 A JP20279289 A JP 20279289A JP 20279289 A JP20279289 A JP 20279289A JP H0368202 A JPH0368202 A JP H0368202A
- Authority
- JP
- Japan
- Prior art keywords
- antenna switching
- amplification
- switching means
- television system
- detection means
- 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
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Passenger Equipment (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はアンテナ切換手段を有する車載テレビシステム
において、設ｍ場所の制約を受けない車載テレビシステ
ムに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an in-vehicle television system having an antenna switching means that is not subject to restrictions on installation location.
従来の装置は、特公昭６２−５２６５４ 号公報に記載
のように、アンテナ切換手段と増幅・検波手段とが別ユ
ニットになっていたり、アンテナ切換手段と増幅・検波
手段とが複数段に重ねて実装されており、これらのユニ
ットの高さが厚い構成となり、車輌に実装する際に取付
場所の制約を受けたり電気的ノイズが変化したり、コス
トが高くなる等の問題点を有していた。In conventional devices, as described in Japanese Patent Publication No. 62-52654, the antenna switching means and the amplification/detection means are separate units, or the antenna switching means and the amplification/detection means are stacked in multiple stages. However, the height of these units is thick, and when mounted on a vehicle, there are problems such as restrictions on the installation location, changes in electrical noise, and increased cost. .
上記従来技術は設ｆｉｔ場所・配線の点について配慮が
されておらず、取付性の問題があった。The above-mentioned conventional technology does not give consideration to the installation location and wiring, and has problems with ease of installation.
本発明はアンテナ切換手段と増幅・検波手段を並設し、
電気的ノイズなでを低減し薄形化を図り設置Ｍｊ所の制
約を受けない車載テレビシステムを後供することを巨的
とする。The present invention provides antenna switching means and amplification/detection means in parallel,
The goal is to provide an in-vehicle television system that reduces electrical noise, is thinner, and is not restricted by installation location.
上記目的を達成するために、アンテナ切換手段と増幅・
検波手段を並設し、かつ薄形化を図ったものである。In order to achieve the above purpose, antenna switching means and amplification/
The detection means are arranged in parallel and the design is thin.
アンテナ切換手段と増幅・検波手段を並設するためには
アンテナ切換回路をＬＳＩ化し、増幅・検波回路と同一
基板上に実装し、同一筺体内に設置したものである。こ
れにより、導体接続手段も簡略化できる。In order to provide the antenna switching means and the amplification/detection means in parallel, the antenna switching circuit is made into an LSI, mounted on the same board as the amplification/detection circuit, and installed in the same housing. Thereby, the conductor connection means can also be simplified.
また、薄形化を計るために各々の接続端子部を一側面に
一段に配置したものである。Further, in order to reduce the thickness of the device, each connection terminal portion is arranged in a single layer on one side.
アンテナ切換手段と増幅・検波手段を並設し同一筺体内
に設置することはアンテナ切換部（高周波増幅回路）と
電源部を離設するように動作するｄそれによって電気的
ノイズは最小になるので、誤動作することがない。また
、導体接続手段を簡略化できるように動作する。それに
よって配縁が容易になるので、誤動作することがない。Installing the antenna switching means and the amplification/detection means side by side in the same housing works to separate the antenna switching section (high-frequency amplification circuit) and the power supply section, which minimizes electrical noise. , will not malfunction. Moreover, it operates so that the conductor connecting means can be simplified. This facilitates wiring and prevents malfunctions.
アンテナ切換手段と増幅・検波手段を並設し、長続端子
部を一段に一側面内に並設することは、システムを薄形
化する動作を行う。それによって取付性は向上するよう
になるので誤動作することがない。By arranging the antenna switching means and the amplification/detection means in parallel, and by further arranging the long-term terminal portions in parallel within one side, the system becomes thinner. This improves the ease of installation and prevents malfunctions.
以下、本発明の一実施例を第１図、第２図、ｍ３図によ
り説明する。ｍ１図（ｔＬ）は従来品の例で、第１図Ｃ
ｂ）が本発明の一実施例である０ｗ＆２図は回路ブロフ
ク図であり、第３図はアンテナ切換部高周波増幅特性図
である。An embodiment of the present invention will be described below with reference to FIG. 1, FIG. 2, and FIG. Figure m1 (tL) is an example of a conventional product, and Figure 1C
FIG. 2 is a circuit block diagram, and FIG. 3 is a high-frequency amplification characteristic diagram of the antenna switching section.
１は２のアンテナ切換基板を設置したアンテナ切換手段
である。５は４の増幅・検波基板を設置した増幅・検波
手段である。５はアンテナ切換手段と増幅・検波手段を
接続する導体接続手段である。６は７のアンテナ切換及
び増幅・検波一体基板を設置したアンテナ切換及び増幅
・検波一体手段である。８は接続端子部である。Reference numeral 1 denotes an antenna switching means on which two antenna switching boards are installed. 5 is an amplification/detection means in which the amplification/detection board 4 is installed. 5 is a conductor connection means for connecting the antenna switching means and the amplification/detection means. Reference numeral 6 denotes integrated antenna switching, amplification and detection means in which the antenna switching and amplification/detection integrated board of 7 is installed. 8 is a connection terminal portion.
Ｃｂ）は（α）に比べ１のアンテナ切換手段と５の増幅
・検波手段とを同一平面上に配設したことにより％第２
図に示すブロフク図の内、ノイズな受方やすい高周波増
幅回路部とノイズを発生する電源部とを離設することが
可能となった。その結果第５図のアンテナ切換部高周波
増ｌｌ１ｍ特性図に示すように、飛躍的に増幅率を向上
させることができ、車載テレビの受信感度を向上した。Compared to (α), Cb) is %2
In the block diagram shown in the figure, it has become possible to separate the high-frequency amplifier circuit section, which is susceptible to noise, and the power supply section, which generates noise. As a result, as shown in the high frequency amplification 11m characteristic diagram of the antenna switching section in FIG. 5, the amplification factor was dramatically improved, and the reception sensitivity of the in-vehicle television was improved.
また、Ｃｂ）は（α）に比べ、導体接続手段が簡略化さ
れ配置が容易になり、８の接続端子部を一側面に一段に
配置しているため薄形化になっている。Furthermore, compared to (α), Cb) has a simpler conductor connection means and is easier to arrange, and the number of connection terminals 8 is arranged in one step on one side, making it thinner.
この結果（ｊｓ）は（α）に比べ、椅子の下等に設置が
可能となり、車載テレビ特有の問題であった配線複雑・
取り付は時間等の問題を解決することができる。Compared to (α), this result (js) allows installation under a chair, etc., and eliminates the problem of complicated wiring and
Installation can solve problems such as time.
本発明によれば、筺体内の同一平面上の両端部にアンテ
ナ切換部（高周波増幅回路）と電源部を離設して配設す
ることで電源からの電気的ノイズを最小にすることがで
きるので電気的性能向上の効果がある。According to the present invention, electrical noise from the power source can be minimized by arranging the antenna switching section (high frequency amplification circuit) and the power source section separately at both ends on the same plane within the housing. Therefore, it has the effect of improving electrical performance.
また、導体接続手段が簡略化でき薄形化が図れるので設
［場所の制約を受げることがなく取付け一向上の効果が
ある。Further, since the conductor connecting means can be simplified and made thinner, there is no restriction on the installation location and the installation is improved.
ｍ１図（α）は従来品の例で、第１図０）は本発明の一
実施例の構成図、第２図は、増幅・検波手段及びアンテ
ナ切換手段のブａｙり図、第Ｓ図は、アンテナ切換手段
の高周波増幅回路部である。
１・・・アンテナ切換手段 ２・−増幅・検波手段５・
−導体接続手段 ４・・・高周波四路５・−′ｔｌ
Ｌ１２＠回路
６・−アンテナ切換手段・増幅・検波手段一体媒体
什辿人
４Ｐ通＋
／−１−
■１
臘
麺しく＝）れ
第
１
凸
（ｂ）
＠瀝回路
第
図
第
囲
周液数
Ｕ□ｌＨｚ７Figure m1 (α) is an example of a conventional product, Figure 10) is a configuration diagram of an embodiment of the present invention, Figure 2 is a block diagram of the amplification/detection means and antenna switching means, and Figure S is a high frequency amplification circuit section of the antenna switching means. 1...Antenna switching means 2.-Amplification/detection means 5.
-Conductor connection means 4...High frequency four-way 5.-'tl
L12 @Circuit 6 - Antenna switching means, amplification and detection means integrated medium tracer 4P communication + /-1- ■1 1st convex (b) @0 circuit diagram 1st circumferential liquid number U□lHz7
Claims (1)
切換手段と、増幅・検波手段と表示手段を装備するもの
において、アンテナ切換手段と増幅・検波手段を同一平
面上に並設したことを特徴とする車載テレビシステム。 ２、請求項第１項の記載において、同一筺体内にアンテ
ナ切換手段と増幅・検波手段を並設してなる車載テレビ
システム。 ５、請求項第２項の記載において、電源部とアンテナ切
換部（高周波増幅回路）を筺体内の同一平面上の両側端
部に離設して配設したことを特徴とする車載テレビシス
テム。 ４、請求項第２項の記載において、各々の接続端子部を
一側面に一段に配設してなる車載テレビシステム。[Claims] 1. In a device equipped with an antenna and an antenna switching means for switching received radio waves from the antenna, an amplification/detection means, and a display means, the antenna switching means and the amplification/detection means are arranged side by side on the same plane. An in-vehicle television system characterized by: 2. An in-vehicle television system according to claim 1, in which the antenna switching means and the amplification/detection means are arranged side by side in the same housing. 5. The in-vehicle television system according to claim 2, characterized in that the power supply section and the antenna switching section (high frequency amplification circuit) are arranged separately on both ends of the same plane within the housing. 4. The in-vehicle television system according to claim 2, wherein each connection terminal section is arranged in a single layer on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20279289A JPH0368202A (en) | 1989-08-07 | 1989-08-07 | Television system on vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20279289A JPH0368202A (en) | 1989-08-07 | 1989-08-07 | Television system on vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0368202A true JPH0368202A (en) | 1991-03-25 |
Family
ID=16463272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20279289A Pending JPH0368202A (en) | 1989-08-07 | 1989-08-07 | Television system on vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0368202A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007077628A (en) * | 2005-09-13 | 2007-03-29 | Oriental Construction Co Ltd | Joint structure of joint and its construction method |
| US9421962B2 (en) | 2009-10-05 | 2016-08-23 | Toyota Motor Engineering & Manufacturing North America, Inc. | Method and system for displaying braking information |
-
1989
- 1989-08-07 JP JP20279289A patent/JPH0368202A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007077628A (en) * | 2005-09-13 | 2007-03-29 | Oriental Construction Co Ltd | Joint structure of joint and its construction method |
| US9421962B2 (en) | 2009-10-05 | 2016-08-23 | Toyota Motor Engineering & Manufacturing North America, Inc. | Method and system for displaying braking information |
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