JPH0457782U - - Google Patents
Info
- Publication number
- JPH0457782U JPH0457782U JP10075390U JP10075390U JPH0457782U JP H0457782 U JPH0457782 U JP H0457782U JP 10075390 U JP10075390 U JP 10075390U JP 10075390 U JP10075390 U JP 10075390U JP H0457782 U JPH0457782 U JP H0457782U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- laser diode
- driving
- supply section
- voltage power
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は本考案の第一実施例を示す追突警報装
置のレーザレーダヘツドに於ける発光部の概略構
成図、第２図は本考案の第二実施例を示す追突警
報装置のレーザレーダヘツドに於ける発光部及び
受光部の概略構成図である。
１……発光部、３……電源部、５……レーザダ
イオード駆動用高圧電源部、７……高出力用レー
ザダイオード駆動用高圧電源部、９，２１……切
替器、１１……レーザダイオード。
Fig. 1 is a schematic configuration diagram of a light emitting part in a laser radar head of a rear-end collision warning system according to a first embodiment of the present invention, and Fig. 2 is a diagram of a laser radar head of a rear-end collision warning system according to a second embodiment of the present invention. FIG. 2 is a schematic configuration diagram of a light emitting section and a light receiving section in FIG. DESCRIPTION OF SYMBOLS 1... Light emitting part, 3... Power supply part, 5... High voltage power supply part for driving a laser diode, 7... High voltage power supply part for driving a high output laser diode, 9, 21... Switching device, 11... Laser diode .
Claims (1)
するレーザダイオード駆動用高圧電源部と、上記
レーザダイオード駆動用高圧電源部からの発光部
電圧によりレーザビームを発光するレーザダイオ
ードとからなるレーザレーダヘツドの発光部に、
上記レーザダイオード駆動用高圧電源部と並列に
、当該レーザダイオード駆動用高圧電源部よりも
高圧な発光部電圧を出力する高出力用レーザダイ
オード駆動用高圧電源部を設けると共に、上記電
源部と上記レーザダイオード駆動用高圧電源部及
び高出力用レーザダイオード駆動用高圧電源部と
の間に、手動又は自動操作でレーザダイオード駆
動用高圧電源部と高出力用レーザダイオード駆動
用高圧電源部とを切り替える切替器を設けたこと
を特徴とする追突警報装置のレーザレーダヘツド
。 A laser radar head consisting of a high-voltage power supply section for driving a laser diode that outputs a voltage for the light-emitting section based on power input from the power supply section, and a laser diode that emits a laser beam using the voltage for the light-emitting section from the high-voltage power supply section for driving the laser diode. In the light emitting part,
A high-voltage power supply section for driving a high-output laser diode is provided in parallel with the high-voltage power supply section for driving a laser diode, and the high-voltage power supply section for driving a high-output laser diode is provided to output a light emitting section voltage higher than that of the high-voltage power supply section for driving a laser diode. A switch between the high-voltage power supply section for driving the laser diode and the high-voltage power supply section for driving the high-output laser diode, which manually or automatically switches between the high-voltage power supply section for driving the laser diode and the high-voltage power supply section for driving the high-output laser diode. A laser radar head for a rear-end collision warning device, characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990100753U JP2507366Y2 (en) | 1990-09-26 | 1990-09-26 | Laser radar head of rear impact warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990100753U JP2507366Y2 (en) | 1990-09-26 | 1990-09-26 | Laser radar head of rear impact warning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0457782U true JPH0457782U (en) | 1992-05-18 |
| JP2507366Y2 JP2507366Y2 (en) | 1996-08-14 |
Family
ID=31843644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990100753U Expired - Lifetime JP2507366Y2 (en) | 1990-09-26 | 1990-09-26 | Laser radar head of rear impact warning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2507366Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4916463A (en) * | 1972-05-31 | 1974-02-13 | ||
| JPH02150367A (en) * | 1988-12-01 | 1990-06-08 | Ricoh Co Ltd | Light intensity modulation circuit |
-
1990
- 1990-09-26 JP JP1990100753U patent/JP2507366Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4916463A (en) * | 1972-05-31 | 1974-02-13 | ||
| JPH02150367A (en) * | 1988-12-01 | 1990-06-08 | Ricoh Co Ltd | Light intensity modulation circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2507366Y2 (en) | 1996-08-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |