JPH0448707U - - Google Patents
Info
- Publication number
- JPH0448707U JPH0448707U JP9088290U JP9088290U JPH0448707U JP H0448707 U JPH0448707 U JP H0448707U JP 9088290 U JP9088290 U JP 9088290U JP 9088290 U JP9088290 U JP 9088290U JP H0448707 U JPH0448707 U JP H0448707U
- Authority
- JP
- Japan
- Prior art keywords
- radio waves
- receiving
- receiving antenna
- frequency band
- changes
- 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
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
- Mobile Radio Communication Systems (AREA)
Description
第１図、第２図は、本考案に係るダイバーシテ
イアンテナを装備した車両の斜視図と概略側面図
、第３図はルーフアクチユエータ及びリヤアクチ
ユエータを作動させるモータ駆動系の回路図、第
４図は電波受信を行うアンテナの切替えを行う回
路の回路図である。
１０……車体、１１……ルーフ、１２……可動
プレート、１３……ルーフアンテナ、１４……リ
ヤスポイラ、１５……リヤアンテナ、２２……イ
グニツシヨンスイツチ、２４……検知回路、２５
……モータ駆動回路、２６，２７……モータ、３
０，３１……入力検知回路、３２……切替えスイ
ツチ、３３……電界強度検知回路。
Figures 1 and 2 are a perspective view and a schematic side view of a vehicle equipped with a diversity antenna according to the present invention, and Figure 3 is a circuit diagram of a motor drive system that operates the roof actuator and rear actuator. , FIG. 4 is a circuit diagram of a circuit for switching antennas for receiving radio waves. 10... Vehicle body, 11... Roof, 12... Movable plate, 13... Roof antenna, 14... Rear spoiler, 15... Rear antenna, 22... Ignition switch, 24... Detection circuit, 25
... Motor drive circuit, 26, 27 ... Motor, 3
0, 31... Input detection circuit, 32... Changeover switch, 33... Electric field strength detection circuit.
Claims (1)
スポイラを有する車両の受信装置において、前記
リヤスポイラに付設され、所定周波数帯域の電波
を受信する平面的な受信アンテナと、前記車両の
ルーフに付設されて車速度に応じて傾き角度を変
化させ、所定周波数帯域の電波を受信する平面的
な受信アンテナと、前記各受信アンテナから受信
される電波を検知し、該電波の電界強度に応じて
電波受信に使用する受信アンテナを切り替える切
替え手段とを具えたことを特徴とするダイバーシ
テイアンテナ。 A receiving device for a vehicle having a variable rear spoiler that changes an inclination angle according to vehicle speed includes: a planar receiving antenna attached to the rear spoiler and receiving radio waves in a predetermined frequency band; A planar receiving antenna that changes its tilt angle according to the speed and receives radio waves in a predetermined frequency band, and detects the radio waves received from each of the receiving antennas and uses them for radio wave reception according to the field strength of the radio waves. 1. A diversity antenna characterized by comprising: switching means for switching a receiving antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9088290U JPH0448707U (en) | 1990-08-30 | 1990-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9088290U JPH0448707U (en) | 1990-08-30 | 1990-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448707U true JPH0448707U (en) | 1992-04-24 |
Family
ID=31826016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9088290U Pending JPH0448707U (en) | 1990-08-30 | 1990-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448707U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61121605A (en) * | 1984-11-19 | 1986-06-09 | Nippon Sheet Glass Co Ltd | Antenna system for automobile |
| JPS61274402A (en) * | 1985-05-30 | 1986-12-04 | Nippon Denso Co Ltd | Antenna device |
-
1990
- 1990-08-30 JP JP9088290U patent/JPH0448707U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61121605A (en) * | 1984-11-19 | 1986-06-09 | Nippon Sheet Glass Co Ltd | Antenna system for automobile |
| JPS61274402A (en) * | 1985-05-30 | 1986-12-04 | Nippon Denso Co Ltd | Antenna device |
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