JPH0314478U - - Google Patents
Info
- Publication number
- JPH0314478U JPH0314478U JP7301289U JP7301289U JPH0314478U JP H0314478 U JPH0314478 U JP H0314478U JP 7301289 U JP7301289 U JP 7301289U JP 7301289 U JP7301289 U JP 7301289U JP H0314478 U JPH0314478 U JP H0314478U
- Authority
- JP
- Japan
- Prior art keywords
- light
- transmitting
- lens
- receiving lens
- receiving
- 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
- 230000003287 optical effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は本考案に自動車用レーダ装置の一実施
例を示すブロツク回路構成図、第２図はこの自動
車用レーダ装置を搭載した車両からの前方車両へ
のビーム光の放射状態を示す図、第３図はこの自
動車用レーダ装置の光学系をフオグランプに一体
的に組み込んだ状態を示す平面断面図、第４図は
この自動車用レーダ装置の光学系を示し放物面状
の反射椀を使用した構成を示す図、第５図はこの
自動車用レーダ装置の光学系を示し皿状の反射板
を使用した構成を示す図、第６図は送・受光レン
ズを通過して放射されるビーム光の光軸ならびに
帰つてくる反射ビーム光の光軸を変える構成を示
す図、第７図はこの自動車用レーダ装置の他の実
施例を示しその光学系の構成を示す図、第８図は
この自動車用レーダ装置に用いる送信用リフレク
タおよび受信用リフレクタの正面図、第９図は送
・受光レンズとして用いて好適な矩形状の送・受
光レンズを示す平面図、第１０図はこの矩形状の
送・受光レンズを示す斜視図である。
１……半導体レーザ、２……受光素子、３，１
５……送・受光レンズ、４……反射板、１１……
反射椀、１２……反射皿、１６……送信用リフレ
クタ、１７……受信用リフレクタ。
FIG. 1 is a block circuit configuration diagram showing an embodiment of the automotive radar device according to the present invention, and FIG. 2 is a diagram showing the state of radiation of beam light from a vehicle equipped with this automotive radar device to a vehicle in front. Fig. 3 is a plan cross-sectional view showing the optical system of this automotive radar device integrated into a fog lamp, and Fig. 4 shows the optical system of this automotive radar device, which uses a parabolic reflecting bowl. Figure 5 shows the optical system of this automotive radar device and shows the configuration using a dish-shaped reflector, and Figure 6 shows the beam light emitted after passing through the transmitting/receiving lens. FIG. 7 shows another embodiment of this automotive radar device and shows the configuration of its optical system. FIG. A front view of a transmitting reflector and a receiving reflector used in an automobile radar device, FIG. 9 is a plan view showing a rectangular transmitting/receiving lens suitable for use as a transmitting/receiving lens, and FIG. 10 is a plan view of this rectangular transmitting/receiving lens. FIG. 3 is a perspective view showing a transmitting/receiving lens. 1... Semiconductor laser, 2... Light receiving element, 3, 1
5... Transmitting/receiving lens, 4... Reflecting plate, 11...
Reflection bowl, 12...Reflection plate, 16...Transmission reflector, 17...Reception reflector.
Claims (1)
て放射し、帰つてくる反射ビームを受光レンズを
通して受光素子上に集光し、この集光される反射
ビーム光に基づき危険状態を察知する自動車用レ
ーダ装置において、前記送光レンズと前記受光レ
ンズとを兼ねる送・受光レンズと、この送・受光
レンズに対して配置される前記発光源からの発射
ビーム光および前記受光素子への反射ビーム光の
少なくとも一つを反射して導く反射面とを備えて
なる自動車用レーダ装置。 An automotive radar that emits a beam of light from a light source through a transmitting lens, condenses the returning reflected beam onto a light receiving element through a receiving lens, and detects a dangerous situation based on the condensed reflected beam. In the device, a transmitting/receiving lens that serves as the transmitting lens and the receiving lens, and at least a beam of light emitted from the light emitting source arranged with respect to the transmitting/receiving lens and a reflected beam of light to the light receiving element are provided. An automotive radar device comprising a reflecting surface that reflects and guides one object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7301289U JPH0314478U (en) | 1989-06-23 | 1989-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7301289U JPH0314478U (en) | 1989-06-23 | 1989-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314478U true JPH0314478U (en) | 1991-02-14 |
Family
ID=31611462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7301289U Pending JPH0314478U (en) | 1989-06-23 | 1989-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314478U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993006505A1 (en) * | 1991-09-13 | 1993-04-01 | Nippondenso Co., Ltd. | Optical radar |
| JP2005121638A (en) * | 2003-09-09 | 2005-05-12 | Ibeo Automobile Sensor Gmbh | Optoelectronic detection apparatus |
| JP2022522858A (en) * | 2019-03-05 | 2022-04-20 | ウェイモ エルエルシー | Optical system of lidar transmitter and receiver |
-
1989
- 1989-06-23 JP JP7301289U patent/JPH0314478U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993006505A1 (en) * | 1991-09-13 | 1993-04-01 | Nippondenso Co., Ltd. | Optical radar |
| JP2005121638A (en) * | 2003-09-09 | 2005-05-12 | Ibeo Automobile Sensor Gmbh | Optoelectronic detection apparatus |
| JP2022522858A (en) * | 2019-03-05 | 2022-04-20 | ウェイモ エルエルシー | Optical system of lidar transmitter and receiver |
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