JPH0363875B2 - - Google Patents
Info
- Publication number
- JPH0363875B2 JPH0363875B2 JP59049754A JP4975484A JPH0363875B2 JP H0363875 B2 JPH0363875 B2 JP H0363875B2 JP 59049754 A JP59049754 A JP 59049754A JP 4975484 A JP4975484 A JP 4975484A JP H0363875 B2 JPH0363875 B2 JP H0363875B2
- Authority
- JP
- Japan
- Prior art keywords
- imaging direction
- imager
- image
- signal
- monitoring device
- 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.)
- Expired
Links
- 238000003384 imaging method Methods 0.000 claims description 30
- 238000012806 monitoring device Methods 0.000 claims description 10
- 239000003550 marker Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
Description
【発明の詳細な説明】
本発明の技術分野
本発明は、自動車の後方の車両や障害物等及び
それらの対象物を監視する後方監視装置に於い
て、撮像器の向きを検出するセンサーの出力信号
により、受像器の画面に撮像方向を示すマーカー
を表示する撮像方向表示機能を備えた自動車用後
方監視装置に関するものである。Detailed Description of the Invention Technical Field of the Invention The present invention relates to an output of a sensor that detects the orientation of an imager in a rear monitoring device that monitors vehicles, obstacles, etc. and their objects behind an automobile. The present invention relates to a rear monitoring device for a vehicle that has an imaging direction display function that displays a marker indicating the imaging direction on the screen of an image receiver based on a signal.
従来技術とその問題点
従来、この種自動車用後方監視装置にあつて
は、撮像方向を表示する機能は備えていなく、撮
像器の撮像方向を上下左右に可変制御するとその
撮像方向が不明確になるという欠点を有してい
た。Conventional technology and its problems Conventionally, this type of rearview monitoring device for automobiles has not been equipped with a function to display the imaging direction, and when the imaging direction of the imager is variably controlled vertically and horizontally, the imaging direction becomes unclear. It had the disadvantage of being
本発明の目的
本発明は、叙上の欠点に鑑み発明したものであ
り、即ち、自動車の後部に取り付けられている撮
像器の向きを検出するセンサーを設置し、しかし
て、上下左右に可変制御された撮像器の撮像方向
を、前記センサーで検出し、撮像器の撮像方向制
御により移動する映像画面と同期させて撮像方向
を示すマーカーも共に更新する機構とし、しかし
て撮像器の撮像方向を可変制御してもその撮像方
向を明確ならしめる撮像方向表示機能を備えた自
動車用後方監視装置を提供することを目的とした
ものである。Purpose of the present invention The present invention was invented in view of the above-mentioned drawbacks. Namely, the present invention is made by installing a sensor that detects the orientation of an image pickup device attached to the rear of a car, and by controlling the sensor vertically and horizontally. The sensor detects the imaging direction of the imager, and updates the marker indicating the imaging direction in synchronization with the moving video screen by controlling the imaging direction of the imager. The object of the present invention is to provide a rear monitoring device for an automobile that has an imaging direction display function that makes the imaging direction clear even under variable control.
本発明の構成
本発明の好適な実施例である第１図及び第２図
に基づき説明する。Configuration of the present invention The present invention will be explained based on FIGS. 1 and 2, which are preferred embodiments of the present invention.
１は撮像器であり、自動車の後部に取り付けら
れ、後方の視界を撮像すべく電気信号に変換する
いわゆるテレビカメラである。 Reference numeral 1 denotes an imager, which is a so-called television camera that is attached to the rear of the automobile and converts it into an electrical signal to capture an image of the rear field of view.
２は受像器であり、前記撮像器１からの出力信
号を視認可能な映像に復元し、後方視界を画面に
表示するものである。 Reference numeral 2 denotes an image receiver, which restores the output signal from the image pickup device 1 into a visible image and displays the rear view on a screen.
３は同期分離回路であり、撮像器１から得られ
る映像信号から同期信号を分離する回路である。
４は波形整形回路であり、前記同期分離回路３で
分離された水平同期信号及び垂直同期信号のそれ
ぞれをノツト回路４ａ及び４ｂで成形して文字表
示用集積回路（以下単に「文字表示用IC」と言
う）９へ入力せしめるものである。 3 is a synchronization separation circuit, which is a circuit that separates a synchronization signal from a video signal obtained from the image pickup device 1.
Reference numeral 4 denotes a waveform shaping circuit, in which the horizontal synchronization signal and vertical synchronization signal separated by the synchronization separation circuit 3 are respectively shaped by knot circuits 4a and 4b to form a character display integrated circuit (hereinafter simply "character display IC"). 9).
５及び６は第１及び第２のセンサーである。該
第１及び第２のセンサー５及び６は、例えば撮像
器１の所定位置に配設され、上下及び左右の撮像
方向の変動によつてそれぞれ駆動される可変抵抗
器で構成されるものであり、上下及び左右の撮像
方向を抵抗値変化から電位差に変換し、検出する
ものである。 5 and 6 are first and second sensors. The first and second sensors 5 and 6 are arranged, for example, at predetermined positions of the imager 1, and are configured with variable resistors that are respectively driven by fluctuations in the vertical and horizontal imaging directions. , which converts resistance value changes into potential differences and detects them in the vertical and horizontal imaging directions.
尚、該第１及び第２のセンサー５及び６は、可
変抵抗器による構成に限定されるものではなく、
例えば、ホトインタラプタ等の光素子（図示せ
ず）を利用して撮像器１の上下左右の首振り角を
検出する等の構成とすることも出来る。７はアナ
ログ・デイジタル変換器（以下「Ａ−Ｄ変換器」
と言う）である。８は中央処理部（以下「CPU」
と言う）である。該CPUは、第１及び第２のセ
ンサー５及び６が導出するアナログ値をデイジタ
ル値に変換するＡ−Ｄ変換器７からデイジタル信
号を受け、自動車の後部に取付けられた撮像器１
の撮像方向に応じた信号を文字表示用IC９へ送
出するものである。９は文字表示用ICである。
該文字表示用IC９は、撮像器１から得られる映
像信号から水平及び垂直同期信号を同期分離回路
３及び波形整形回路４を介して受け、該水平及び
垂直同期信号に同期させて前記CPU８から指示
される撮像方向を示すマーカーの表示信号を映像
信号ラインに送出するものである。１０はダイオ
ードであり、該ダイオード１０を介して所定の撮
像方向を示すマーカーの表示信号が送出される。
尚、１１は定電圧電源、１２はイグニツシヨンス
イツチ、１６は直流電源である。 Note that the first and second sensors 5 and 6 are not limited to the configuration using variable resistors,
For example, a configuration may be adopted in which the vertical and horizontal swing angles of the image pickup device 1 are detected using an optical element (not shown) such as a photointerrupter. 7 is an analog-to-digital converter (hereinafter referred to as "A-D converter")
). 8 is the central processing unit (hereinafter referred to as “CPU”)
). The CPU receives a digital signal from an A-D converter 7 that converts the analog values derived by the first and second sensors 5 and 6 into digital values, and transmits the digital signal to the imager 1 attached to the rear of the vehicle.
A signal corresponding to the imaging direction is sent to the character display IC 9. 9 is a character display IC.
The character display IC 9 receives horizontal and vertical synchronization signals from the video signal obtained from the image pickup device 1 via the synchronization separation circuit 3 and the waveform shaping circuit 4, and receives instructions from the CPU 8 in synchronization with the horizontal and vertical synchronization signals. A marker display signal indicating the imaging direction to be captured is sent to the video signal line. 10 is a diode, and a marker display signal indicating a predetermined imaging direction is sent through the diode 10.
Note that 11 is a constant voltage power supply, 12 is an ignition switch, and 16 is a DC power supply.
本発明の作用
本発明の好適な一実施例である第１図及び第２
図に基づき説明する。今、自動車の後部の所定位
置に該自動車の後方視界の所定の範囲を写し取る
ことが出来るように設置された撮像器１及び該撮
像器１からの映像信号を受けて画像を表示する受
像器２を設けた自動車用後方監視装置において、
撮像器１から得られる映像信号から水平及び垂直
同期信号を同期分離回路３で分離し、該水平及び
垂直同期信号を波形整形して文字表示用IC９に
同期信号として印加する。この同期信号に同期さ
せて文字表示用IC９は、予め設定された撮像方
向を示すマーカー２ａ，２ｂをCPUからの指示
される制御信号に基づいて映像信号ラインに送出
し受像器２に映像せしめる。ここで文字表示用
IC９が送出する撮像方向を示すマーカー２ａ，
２ｂの映像信号は、第１及び第２のセンサー５、
及び６によつて撮像器１の撮像方向を常時検出
し、該検出信号に応じてCPU８が送出する信号
によつて制御されて送出する作動をなすものであ
る。かくして、撮像器１の撮像方向が変化すると
受像器２の画像が上下及び左右に移動するがその
移動に対応して撮像方向に応じたマーカー２ａ，
２ｂの表示内容も同等に更新することになり、撮
像器１の撮像方向可変時においても、その撮像方
向を明確ならしめる機能を有するものである。Effects of the present invention FIGS. 1 and 2 show a preferred embodiment of the present invention.
This will be explained based on the diagram. Now, an imager 1 is installed at a predetermined position at the rear of a car so as to be able to capture a predetermined range of the rear view of the car, and an image receiver 2 receives a video signal from the imager 1 and displays an image. In an automobile rear monitoring device equipped with
A synchronization separation circuit 3 separates horizontal and vertical synchronization signals from the video signal obtained from the imager 1, shapes the waveforms of the horizontal and vertical synchronization signals, and applies them to the character display IC 9 as synchronization signals. In synchronization with this synchronization signal, the character display IC 9 sends out markers 2a and 2b indicating a preset imaging direction to the video signal line based on a control signal instructed by the CPU, so that the images are displayed on the image receiver 2. Here for text display
A marker 2a indicating the imaging direction sent out by the IC9,
The video signal 2b is transmitted to the first and second sensors 5,
and 6, the imaging direction of the image pickup device 1 is always detected, and the output is controlled by a signal sent by the CPU 8 in response to the detection signal. Thus, when the imaging direction of the imager 1 changes, the image on the imager 2 moves up and down and left and right, but the markers 2a,
The display contents of 2b are also updated in the same manner, and even when the imaging direction of the image pickup device 1 is changed, it has a function of making the imaging direction clear.
本発明の効果
自動車の後部に後方視界を所定の範囲で写し取
る撮像器で受像器に映像せしめる自動車用後方監
視装置において、撮像器の撮像方向を第１及び第
２のセンサーによつて検出し、該検出信号に基づ
いてCPUが撮像方向に応じたマーカーのパター
ンを画面の上下及び左右の変動に対応させて表示
させる機構であるため、その撮像方向を明確なら
ししめることが出来、実用上極めて便利であり、
後方の安全性確認が確実に出来る等実用性の高い
撮像方向表示機能を備えた自動車用後方監視装置
を提供することが出来る。Effects of the Invention In an automotive rear monitoring device that displays an image on an image receiver using an imager that captures the rear field of view in a predetermined range at the rear of the vehicle, the imaging direction of the imager is detected by first and second sensors, Based on the detection signal, the CPU displays a marker pattern according to the imaging direction in response to vertical and horizontal fluctuations of the screen, so the imaging direction can be made clear, which is extremely effective in practical use. It is convenient and
It is possible to provide a rearview monitoring device for an automobile that has a highly practical imaging direction display function that enables reliable confirmation of rearward safety.
第１図は受像器に後方視界と共に撮像方向に応
じたマーカーを表示した画面の説明図である。第
２図は本発明に係る撮像方向表示機能を備えた自
動車用後方監視装置の一実施例を示す電気回路図
である。
１…撮像器、２…受像器、３…同期分離器、５
…第１のセンサー、６…第２のセンサー、７…Ａ
−Ｄ変換器、９…文字表示用IC、２ａ，２ｂ…
撮像方向を示すマーカー。
FIG. 1 is an explanatory diagram of a screen in which markers corresponding to the imaging direction are displayed on the image receptor along with the rear view. FIG. 2 is an electrical circuit diagram showing an embodiment of a rearward monitoring device for an automobile having an imaging direction display function according to the present invention. 1... Imager, 2... Image receiver, 3... Synchronous separator, 5
...first sensor, 6...second sensor, 7...A
-D converter, 9...Character display IC, 2a, 2b...
A marker indicating the imaging direction.
Claims (1)
に変換する撮像器と、該撮像器の出力信号を視認
可能な映像に復元する受像器とでなる自動車用後
方監視装置において、撮像器の所定位置に取り付
けられ撮像器の向きを検出するセンサーと、該セ
ンサーが導出する信号を受け文字表示用集積回路
を制御して受像器の画面に撮像方向を示すマーカ
ーを表示せしめる中央処理部とを具備したことを
特徴とする撮像方向表示機能を備えた自動車用後
方監視装置。1. In a rearview monitoring device for a vehicle, which consists of an imager that converts the situation behind the vehicle into an electrical signal and an image receiver that restores the output signal of the imager to a visible image, It is equipped with a sensor attached to a position to detect the orientation of the image pickup device, and a central processing section that receives a signal derived from the sensor and controls a character display integrated circuit to display a marker indicating the imaging direction on the screen of the image receptor. An automotive rear monitoring device equipped with an imaging direction display function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59049754A JPS60194691A (en) | 1984-03-15 | 1984-03-15 | Rear monitoring device for automobile equipped with display function for image pickup direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59049754A JPS60194691A (en) | 1984-03-15 | 1984-03-15 | Rear monitoring device for automobile equipped with display function for image pickup direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60194691A JPS60194691A (en) | 1985-10-03 |
| JPH0363875B2 true JPH0363875B2 (en) | 1991-10-02 |
Family
ID=12839967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59049754A Granted JPS60194691A (en) | 1984-03-15 | 1984-03-15 | Rear monitoring device for automobile equipped with display function for image pickup direction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60194691A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001334869A (en) * | 2000-05-25 | 2001-12-04 | Matsushita Electric Ind Co Ltd | Driving support device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62133482A (en) * | 1985-12-04 | 1987-06-16 | アイシン精機株式会社 | Image memory circuit |
| JPH0337035U (en) * | 1989-08-24 | 1991-04-10 | ||
| WO1992017875A1 (en) | 1991-04-08 | 1992-10-15 | Hitachi, Ltd. | Method and apparatus for image or data processing, and monitoring method and apparatus using the same |
| JP4114292B2 (en) * | 1998-12-03 | 2008-07-09 | アイシン・エィ・ダブリュ株式会社 | Driving support device |
| JP3621003B2 (en) * | 1999-08-31 | 2005-02-16 | 松下電器産業株式会社 | Surveillance camera device and display method of surveillance camera |
| CN102416901A (en) * | 2011-11-02 | 2012-04-18 | 罗文峰 | Passive awakening type wireless reverse rearview system and anti-interference method thereof |
-
1984
- 1984-03-15 JP JP59049754A patent/JPS60194691A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001334869A (en) * | 2000-05-25 | 2001-12-04 | Matsushita Electric Ind Co Ltd | Driving support device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60194691A (en) | 1985-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |