JPS5828678A - Automobile measuring device using doppler radar - Google Patents
Automobile measuring device using doppler radarInfo
- Publication number
- JPS5828678A JPS5828678A JP56126708A JP12670881A JPS5828678A JP S5828678 A JPS5828678 A JP S5828678A JP 56126708 A JP56126708 A JP 56126708A JP 12670881 A JP12670881 A JP 12670881A JP S5828678 A JPS5828678 A JP S5828678A
- Authority
- JP
- Japan
- Prior art keywords
- obstacle
- radar
- distance
- speed
- automobile
- 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 claims abstract description 11
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000010356 wave oscillation Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 5
- 238000012937 correction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93275—Sensor installation details in the bumper area
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Traffic Control Systems (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は、自動車に用いられる計測装置に係り。[Detailed description of the invention] The present invention relates to a measuring device used in an automobile.
特にドツプラレーダ装置を用いた計測装置に関する。In particular, the present invention relates to a measuring device using a Doppler radar device.
現在の自ｉ車の速度および走行距離の計画け。Plan the current speed and mileage of your i-car.
車輪の回転数から得るものが一般的である。しかし車輪
の回転数より得るものは、車輪のスリップやタイヤの摩
耗程度によって計測誤差が生じてぐる。この誤差は、一
般には問題にはならないが。It is generally obtained from the number of rotations of the wheels. However, measurements obtained from the number of rotations of the wheels are subject to measurement errors due to wheel slippage and degree of tire wear. This error is generally not a problem.
近年マイクロコンピュータを用い、回転数と車速を計算
の基礎データに用いており１回転数はエンジンの空燃費
制御、ノック制御に、車速はアンチスキット制御にそれ
ぞれ用いられ、その正確さは高く求められている。In recent years, microcomputers have been used to calculate rotation speed and vehicle speed as basic data for calculations.Revolution speed is used for engine air/fuel efficiency control and knock control, and vehicle speed is used for anti-skid control, and their accuracy is highly sought after. ing.
そこで、近年、非接触で自動車の速度を３１ρ１１シ。Therefore, in recent years, the speed of a car has been increased by 31ρ11cm without contact.
そのデータを積分して走行距離を求める方法は光や、超
音波、マイクロ波などを利用した種々の方式が考えられ
、一部で実用化されているものもある。Various methods using light, ultrasonic waves, microwaves, etc. can be considered to integrate the data to determine the distance traveled, and some of them are already in practical use.
例えばマイクロ波を利用した速度計は以前より研究開発
が進み、現在スピード違反取締りゃ、野球のポールのス
ピードを計測する装置として一般にも知られている。For example, research and development into speedometers that use microwaves has progressed for some time, and they are now commonly known as devices for speed enforcement and for measuring the speed of baseball poles.
このマイクロ波のドツプラ効果を利用したレーダ装置は
小型にできる上、量産すれば比較的低価格で製作するこ
とが可能であり、各メーカで検討されている。そのため
近い将来、電波法の制約が解ければさらに応用分野が広
くなることが予想される。Radar devices that utilize the Doppler effect of microwaves can be made compact and, if mass-produced, can be manufactured at a relatively low cost, and are being considered by various manufacturers. Therefore, it is expected that the field of application will further expand in the near future if the restrictions of the Radio Law are lifted.
一方このドツプラレーダを障害物検知手段として利用す
る例も種々考えられており、自動車などに取付けて実験
した報告もある。しかし、レーダを自動車前部に固定す
るため道路がカーブしている場合などに誤動作するなど
、１だ問題を残している。On the other hand, various examples of using this Doppler radar as an obstacle detection means have been considered, and there are also reports of experiments in which it is attached to automobiles and the like. However, since the radar is fixed to the front of the car, there are still some problems, such as malfunctions when the road is curved.
このようにレーダを自動車に取付けて走行速度や障着物
を検知する方法はすでに公知の事実であるが、具体的な
構成法に決定的なものがなく種々検討されている。Although the method of attaching a radar to a car to detect the traveling speed and obstacles is already well known, there is no definitive method of constructing it, and various studies have been made.
本発明の目的は、運転の安全性をより高めることのでき
る計測装置を提供することにある。An object of the present invention is to provide a measuring device that can further improve driving safety.
本発明は、自動車前部及び後部バンバ付近に進路操縦・
・ンドルと連動して前方・後方・左右に電波放射角度を
変え、かつ、路面に対して斜めに電波放射ができる可変
機構を備えたドツプラレーダ装置を設け、車速および走
行距離、障害物検知、障害物１での距離などを計−１１
シて表示することにより運転の安全性を高めようという
ものである。The present invention provides route control and
- Equipped with a Doppler radar device equipped with a variable mechanism that can change the radio wave emission angle forward, backward, left and right in conjunction with the steering wheel, and emit radio waves diagonally to the road surface. Total distance etc. for object 1 -11
The aim is to improve driving safety by displaying the following information.
以下、本発明の実施例について説明する。Examples of the present invention will be described below.
第１図には、一般の乗用自動車の側面図が示されている
。FIG. 1 shows a side view of a general passenger car.
図において、１は路面、２は自動車ボデー、３は自動車
の前部バンバである。この自動車の前部バンバ３には、
本発明の実施例である前部レーダ４が固定されている。In the figure, 1 is a road surface, 2 is a car body, and 3 is a front bumper of the car. In the front bumper 3 of this car,
A front radar 4, which is an embodiment of the present invention, is fixed.
この前部レーダ４は、前方放射電波５を水平に放射し、
前方近接障害物からの反射波を受信して障害物の有無と
、その障害物が移動している場合は反射波に重畳してい
るドツプラ周波数から相手との相対速度と距離を計装す
ることができる。自動車ポデー２の後部パンパ６には後
部レータ′７が固定され、後方放射電波９を水平に放射
し、後方近接障害物からの反射波を受信して障害物の有
無と、その距離を計測することができる。This front radar 4 emits forward radiation radio waves 5 horizontally,
Receive reflected waves from nearby obstacles in front to determine the presence or absence of obstacles, and if the obstacle is moving, measure the relative speed and distance to the other party from the Doppler frequency superimposed on the reflected waves. I can do it. A rear rotor '7 is fixed to the rear bumper 6 of the car pod 2, which emits rear radiation radio waves 9 horizontally, receives reflected waves from rear nearby obstacles, and measures the presence or absence of obstacles and the distance thereto. be able to.
第２図には第１図の前部パン・面の拡大図が示されてい
る。前部パンパ３に取付けられた前部レーダ４は運転席
計器盤にあるスイッチ操作で、電波の放射方向を前方放
射電波５から前方放電波９にレーダ部分を支持するモー
タドライブ装置１０によって変えることができる。FIG. 2 shows an enlarged view of the front pan of FIG. 1. The front radar 4 attached to the front bumper 3 can change the radiation direction of radio waves from the forward radiated radio waves 5 to the forward discharge waves 9 by operating a switch on the driver's seat instrument panel using a motor drive device 10 that supports the radar section. I can do it.
この前斜方放射電波９によって路面に電波を放射し１反
射波に重畳されてくるドツプラ周波数から車の対地速度
と、この速度を積分して走行距離を求め計器盤に表示す
ることができる。Radio waves are radiated to the road surface by this front oblique radiation radio wave 9, and from the Doppler frequency superimposed on one reflected wave, the ground speed of the vehicle and this speed can be integrated to calculate the travel distance and display it on the instrument panel.
第３図は製餅用トラクタ１１の前・後部に本発明の実施
例であるレーダ装置を取付けた例である０表面平担度の
わるい農場でも正確にトラクタの速度と走行距離、前方
、後方の障害物の有無、障害物までの距離を計測し１表
示するものである０農耕用トラクタの速度計測はこれま
で一般道路走行の自動車より誤差が大きい反面、トラク
タによる薬剤散布や種捷きなどの効率を高めるには精度
の高い計測が要求されている０このような要求は建設用
などのトラクタにも共通しており１本実施例装置をその
まま応用することが可能である。Fig. 3 shows an example in which a radar device according to an embodiment of the present invention is attached to the front and rear of a mochi-making tractor 11. Even on a farm with a poor surface flatness, the speed and traveling distance of the tractor can be accurately determined, forward and backward. It measures the presence or absence of obstacles and the distance to the obstacle and displays it as 1.0 Speed measurement of agricultural tractors has traditionally had a larger error than cars driving on general roads, but on the other hand, the speed measurement of agricultural tractors has had a larger error than that of cars driving on general roads. Highly accurate measurement is required to improve the efficiency of construction. Such requirements are also common to construction tractors, and the device of this embodiment can be applied as is.
第４図は、本実施例の中心部であるレーダ装置の構成図
である。すなわち、レーダ筐体１２はモータドライブ装
置１０とレーダ装置を連結しているレーダ支持アーム１
３で外部から支持され、内部にはホーンアンテナ１４と
ホーンアンテナ前面カバー１５．マイクロ波゛を発振す
るガンダイオードと反射波からドツプラ周波数を検出す
るミクサダイ芽−ドおよびその周辺回路がストリップラ
インで小型に構成されたマイクロ波回路部１６．信号処
理回路１７、および信号パルスをカウントするカウンタ
回路１８が納められ、レーダ裏面ケース１９でカバーさ
れている。FIG. 4 is a configuration diagram of a radar device which is the central part of this embodiment. That is, the radar housing 12 includes a radar support arm 1 that connects the motor drive device 10 and the radar device.
3, and a horn antenna 14 and a horn antenna front cover 15. A microwave circuit section 16 in which a Gunn diode that oscillates microwaves, a mixer diode that detects the Doppler frequency from reflected waves, and its peripheral circuits are compactly constructed using strip lines. A signal processing circuit 17 and a counter circuit 18 for counting signal pulses are housed and covered by a radar back case 19.
第５図は車の前部バンパに固定されたレーダ装置を前か
ら見た図で、進路操縦ノ・ンドルと連動して、モータド
ライブ装置１０によって左右に電波放射方向を変えるこ
とができる。固定ネジ２０はモータドライブ装置１０を
前部パンパ３に固定するだめのものである。FIG. 5 is a front view of the radar device fixed to the front bumper of the vehicle, and the direction of radio wave emission can be changed to the left or right by the motor drive device 10 in conjunction with the course control knob. The fixing screw 20 is for fixing the motor drive device 10 to the front bumper 3.
第６図は、レーダ装置の信号処理回路をブロック図で示
すもので、ガン発振器２１は対地車速を計則する場合、
固定周波数で動作し、障害物検知の場合は周波数変調回
路２２によって２４ ＧＨｚの発振周波数が約３００Ｍ
Ｈｚ変調を受けるＦＭ−ＣＷ方式のレーダ動作となる。FIG. 6 is a block diagram showing the signal processing circuit of the radar device. When the gun oscillator 21 measures the ground vehicle speed,
It operates at a fixed frequency, and in the case of obstacle detection, the oscillation frequency of 24 GHz is approximately 300M by the frequency modulation circuit 22.
This is an FM-CW radar operation that receives Hz modulation.
この一つのレーダ装置を２つのレーダ方式で使用する使
い分けは運転者が計器盤に備えたスイッチ操作によって
行うものである。The driver can use a single radar device in two different radar systems by operating a switch provided on the instrument panel.
障害物検知用レーダと速度計測用レーダの信号処理回路
は一部分同じであり、ドツプラ信号をミクサダイオード
２３から得て、信号増幅器２４で増幅し、バンドパスフ
ィルタ２５を通して波形整形回路２６と脱落波補正回路
２７まで共通しているＯ
その後、障害物検知回路は、カウンタ（１）２８を通し
て距離出力回路２９に出力し、計器盤上に表示ランプと
距離表示するようになっている。The signal processing circuits of the obstacle detection radar and the speed measurement radar are partially the same, and a Doppler signal is obtained from a mixer diode 23, amplified by a signal amplifier 24, and passed through a bandpass filter 25 to a waveform shaping circuit 26 and a dropped wave correction. O is common up to the circuit 27. After that, the obstacle detection circuit outputs an output through the counter (1) 28 to the distance output circuit 29, and the distance is displayed with the indicator lamp on the instrument panel.
速度、走行距離計測回路は脱落波補正回路２７のあとカ
ウンタ（２）３０を通し、ディジタル加算回路３１を経
て速度出力回路３２に出力するのと、さらにカウンタ（
３）３３を通して走行距離出力回路３４に出力し、それ
ぞれ、計器盤上に表示するようになっている。The speed and distance measuring circuit outputs the output to the speed output circuit 32 through the counter (2) 30 after the shedding wave correction circuit 27, and the digital addition circuit 31.
3) It is outputted to the mileage output circuit 34 through 33 and displayed on the instrument panel.
第７図は車の後部に取付けるレーダ装置の信号処理回路
ブロック図で、第６図で示した障害物検知用の回路と同
様のものである。FIG. 7 is a block diagram of a signal processing circuit for a radar device installed at the rear of a vehicle, which is similar to the obstacle detection circuit shown in FIG.
第８図は、運転席前面の刷器盤を示す図で、レーダ速度
・距離ｉｆ ｉｌｌ＋＋スイッチ３５を操作するとレー
ダ計測速度表示３６とレーダ針側距離表示３７がデジタ
ル表示される。。FIG. 8 is a diagram showing the printing panel in front of the driver's seat, and when the radar speed/distance if ill++ switch 35 is operated, the radar measurement speed display 36 and the radar needle side distance display 37 are digitally displayed. .
次に前方障害物検知スイッチ３８を操作すると前方に障
害物がある場合、前方障害物有無表示ランプ３９が也灯
し、そこまでの距離が前方障害物距離表示４０に表示さ
れる。Next, when the front obstacle detection switch 38 is operated, if there is an obstacle ahead, the front obstacle presence/absence display lamp 39 lights up, and the distance to that point is displayed on the front obstacle distance display 40.
同様に後方障害物検知スイッチ４１を操作すると後方に
障害物がある場合、後方障害物有無表示ランプ４２が点
灯し、そこまでの距離が後方障害物距離表示４３に表示
される。その他の計器はエンジン回転数メータ４４、メ
カニカル式速度計４５、燃料計４６、水温計４７、方向
指示表示４８は従来のものである。Similarly, when the rear obstacle detection switch 41 is operated and there is an obstacle behind the vehicle, the rear obstacle presence/absence display lamp 42 lights up and the distance to the rear obstacle is displayed on the rear obstacle distance display 43. Other instruments such as an engine speed meter 44, a mechanical speed meter 45, a fuel gauge 46, a water temperature gauge 47, and a direction indicator 48 are conventional ones.
したがって１本実施例によれば、レーダ装置を車の前・
後のバンバに取付けたがバンバに限らず。Therefore, according to this embodiment, the radar device is placed in front of the car.
It was installed on the later Bamba, but it is not limited to Bamba.
車の前部、後部のボデーに直接装着しても同じ効果が得
られることは明白である。It is clear that the same effect can be obtained by attaching it directly to the front or rear body of the car.
また本実施例によれげ、計器盤に備えたスイッチの操作
で運転者の意志により操作することができる。Further, according to this embodiment, the driver can operate the vehicle according to his/her will by operating a switch provided on the instrument panel.
また１本実施例によれば、車の速度、走ｄ距離を正確に
計則するζ２ができる一方、前方、後方の障害物の有無
、そこまでの距離をいずれも非接触または遠隔に行うこ
とができ、走行中の運転者にこれらの情報を提供するこ
とができ、ひいては安全運転に役立つことは明白であり
、その効果は大である。In addition, according to this embodiment, it is possible to accurately measure the vehicle's speed and travel distance, while also determining the presence or absence of obstacles in front and rear and the distance to them in a non-contact or remote manner. It is clear that this information can be provided to the driver while driving, which in turn is useful for safe driving, and the effect is great.
以上説明したように１本発明によれば、運転の安全性を
より高めることができる。As explained above, according to the present invention, driving safety can be further improved.
＠１図は自動車の側面図で前・後のバンパにし一ダ装置
を取付けた図、第２図は第１図の前部パンパ周辺の拡大
図、第３図は農耕用トラクタの前・後部にレーダ装置を
取付けた図、第４図はレーダ装置の説明図、第５図は車
の前部バンパに取付けたレーダ装置を前方から見た図、
第６図は前方用レーダ装置の信号処理回路ブロック図、
第７図は後方用レーダ装置の信号処理回路ブロック図、
第８図は本発明のレーダ装置による計測結果を表示する
計器盤の説明図である。
■・・・路面％ ２・・・自動車ボデーｓ３・・・前部
バンパ。
４・・・前部レーダ１，５・・・前方放射電波、６・・
・後部バンバ、７・・・後部レーダ、８・・・後方放射
電波、９・・・前斜方放射電波、１０・・・モータドラ
イブ装置。
１１・・・農耕用トラクター、１２・・・レーダ筐体、
１３・）・レーダ支持アーム、１４・−・ポーンアンテ
ナ。
１５・・・ホーンアンテナ前面カバー、１６・・・マイ
クロ波回路部、１７・・・信号処理回路部、１８・・・
カウ７タ回路、１９・・・レーダ裏面ケース、２ｏ・・
・固定ネジ、２１・・・ガン発振器、２２・・・周波数
変調回路。
２３・・ペクサダイオード、２４・・・信号増幅器。
２５・・・バンドパスフィルタ、２６・・・波形整形回
路。
２７・・・脱落波補正回路、２８−・・カウンタ（１）
、２９・・・距離出力回路、３０・・・カウンタ（２）
、３１・・・ディジタル加算回路、３２・・・速度出力
回路、３３・・・カウンタ（３）、３゛４・・・走行距
離出力回路、３５・・・レーダ速度・距離計測スイッチ
、３６・・・レーダ計測速度表示、’占−ｖ−ダ計側距
離表示、３８・・・前方障害物検知スイッチ、３９・・
・前方障害物有無表示ランプ、４０・・・前方障害物酊
藤表示、う４”？” １９．後方障害物検知スイッ゛チ
、４２・・・後方障害物有無表示ランプ、４３・・・後
方障害物距離表示、４４・・・エン゛９切
弔 ｊ ♂@Figure 1 is a side view of a car with the front and rear bumpers and the front bumper installed, Figure 2 is an enlarged view of the area around the front bumper in Figure 1, and Figure 3 is the front and rear of an agricultural tractor. Fig. 4 is an explanatory diagram of the radar device, Fig. 5 is a view of the radar device attached to the front bumper of a car, viewed from the front.
Figure 6 is a block diagram of the signal processing circuit of the forward radar device.
Figure 7 is a block diagram of the signal processing circuit of the rear radar device.
FIG. 8 is an explanatory diagram of an instrument panel that displays measurement results by the radar device of the present invention. ■... Road surface % 2... Car body s3... Front bumper. 4...Front radar 1, 5...Front radiation radio wave, 6...
- Rear bumper, 7... Rear radar, 8... Rear radiated radio wave, 9... Front oblique radiated radio wave, 10... Motor drive device. 11... Agricultural tractor, 12... Radar housing,
13.) Radar support arm, 14.--Pone antenna. 15... Horn antenna front cover, 16... Microwave circuit section, 17... Signal processing circuit section, 18...
Counter 7 circuit, 19...radar back case, 2o...
- Fixing screw, 21... Gun oscillator, 22... Frequency modulation circuit. 23... Pexadiode, 24... Signal amplifier. 25...Band pass filter, 26...Waveform shaping circuit. 27... Dropped wave correction circuit, 28-... Counter (1)
, 29... Distance output circuit, 30... Counter (2)
, 31... Digital addition circuit, 32... Speed output circuit, 33... Counter (3), 3'4... Mileage output circuit, 35... Radar speed/distance measurement switch, 36... ... Radar measurement speed display, 'Zan-v-da meter side distance display, 38... Front obstacle detection switch, 39...
・Front obstacle presence/absence indicator lamp, 40...Front obstacle display, 4"?" 19. Rear obstacle detection switch, 42...Rear obstacle presence/absence indicator lamp, 43...Rear obstacle distance display, 44...En9 cut off j ♂
Claims (1)
パ・後部バンパのそれぞれの近膀に運転席に設けられて
いるスイッチの操作によって該自動車進路操縦ハンドル
と連動して電波放射方向が変化するマイクロ波発振部と
、該マイクロ波発振部より放射されたマイクロ波の反射
波を検出するマイクロ波検出部とからなるドツプラレー
ダ装置を設け、前部バンバに設けたレーダでは対地車速
、走行距離、前方の近接物体の有無と物体までの距離を
計測し、後部バ／バに設けたレーダでは後方の近接物体
の有無とその物体までの距離を計測するようにしたこと
を特徴とするドツプラレータ゛を用いた自動車計測装置
。1. A micro device that changes the direction of radio wave emission in conjunction with the vehicle's steering wheel by operating a switch located near the driver's seat near the front and rear bumpers of a vehicle used for passenger or agricultural purposes. A Doppler radar device consisting of a wave oscillation section and a microwave detection section that detects the reflected waves of the microwaves emitted from the microwave oscillation section is installed. An automobile using a Doppler radar, characterized in that the presence or absence of a nearby object and the distance to the object are measured, and the radar installed in the rear bar measures the presence or absence of a nearby object behind and the distance to the object. Measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56126708A JPS5828678A (en) | 1981-08-14 | 1981-08-14 | Automobile measuring device using doppler radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56126708A JPS5828678A (en) | 1981-08-14 | 1981-08-14 | Automobile measuring device using doppler radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5828678A true JPS5828678A (en) | 1983-02-19 |
Family
ID=14941885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56126708A Pending JPS5828678A (en) | 1981-08-14 | 1981-08-14 | Automobile measuring device using doppler radar |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5828678A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5670962A (en) * | 1995-11-13 | 1997-09-23 | Delco Electronics Corp. | Transmit power control for automotive radar system |
| US20100097264A1 (en) * | 2008-10-21 | 2010-04-22 | Toyota Jidosha Kabushiki Kaisha | Radar apparatus |
| JP2011238161A (en) * | 2010-05-13 | 2011-11-24 | Yupiteru Corp | Alarm device |
| JP2013108880A (en) * | 2011-11-22 | 2013-06-06 | Toshiba Corp | Rader equipment and vehicle |
| WO2020166163A1 (en) * | 2019-02-14 | 2020-08-20 | 株式会社クボタ | Agricultural machinery |
-
1981
- 1981-08-14 JP JP56126708A patent/JPS5828678A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5670962A (en) * | 1995-11-13 | 1997-09-23 | Delco Electronics Corp. | Transmit power control for automotive radar system |
| US20100097264A1 (en) * | 2008-10-21 | 2010-04-22 | Toyota Jidosha Kabushiki Kaisha | Radar apparatus |
| US8174432B2 (en) * | 2008-10-21 | 2012-05-08 | Toyota Jidosha Kabushiki Kaisha | Radar apparatus |
| JP2011238161A (en) * | 2010-05-13 | 2011-11-24 | Yupiteru Corp | Alarm device |
| JP2013108880A (en) * | 2011-11-22 | 2013-06-06 | Toshiba Corp | Rader equipment and vehicle |
| WO2020166163A1 (en) * | 2019-02-14 | 2020-08-20 | 株式会社クボタ | Agricultural machinery |
| JP2020129995A (en) * | 2019-02-14 | 2020-08-31 | 株式会社クボタ | Agricultural machine |
| EP3925424A4 (en) * | 2019-02-14 | 2022-11-16 | Kubota Corporation | Agricultural machine |
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