JP2021119336A5 - - Google Patents
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- JP2021119336A5 JP2021119336A5 JP2020125653A JP2020125653A JP2021119336A5 JP 2021119336 A5 JP2021119336 A5 JP 2021119336A5 JP 2020125653 A JP2020125653 A JP 2020125653A JP 2020125653 A JP2020125653 A JP 2020125653A JP 2021119336 A5 JP2021119336 A5 JP 2021119336A5
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- light
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- received
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Claims (1)
前記物体から反射された光を受光する受光部（３）と、
前記受光部で取得される受光光量の時間変化を受光情報として、一つ以上の前記受光情報から、前記発光部から照射された光である照射光以外のパルス光の受光光量範囲、及び受光時間範囲の少なくとも一方を指定範囲として、抽出する特性設定部（７，７ａ，７ｄ〜７ｈ，７ｎ〜７ｐ）と、
前記受光情報を複数回の受光にわたり発光タイミングを一致させた時間軸上で積算した積算受光情報を生成する受光積算部（６）と、
前記積算受光情報によって表される積算受光波形に含まれる抽出閾値より大きいピーク値を有したパルス状の波形のうち、前記照射光以外のパルス光により生じる前記パルス状の波形である距離ノイズを、前記特性設定部で抽出した指定範囲を用いて除外又は特定すると共に、前記パルス状の波形がピークとなるタイミングを受光タイミングとして、前記照射光を反射した前記物体までの距離を算出する距離算出部（８，８ｂ，８ｅ，８ｈ〜８ｒ）と、
を備える測距装置。 The light emitting part (2) that irradiates the object with light,
A light receiving unit (3) that receives light reflected from the object, and a light receiving unit (3).
Using the time change of the received light amount acquired by the light receiving unit as the received light information, the received light amount range of the pulsed light other than the irradiation light which is the light emitted from the light emitting unit and the received light time from one or more of the received light information. A characteristic setting unit (7,7a, 7d to 7h, 7n to 7p) for extracting at least one of the ranges as a designated range, and
Receiving integration unit for generating the integrated light receiving information obtained by integrating the received information in a plurality of times on the time axis to match the emission timing over light (6),
Among the pulse-shaped waveforms having a peak value larger than the extraction threshold included in the integrated light-receiving waveform represented by the integrated light-receiving information , the distance noise, which is the pulse-shaped waveform generated by the pulsed light other than the irradiation light, is generated . The distance calculation unit that excludes or specifies the specified range extracted by the characteristic setting unit and calculates the distance to the object that reflects the irradiation light with the timing at which the pulsed waveform peaks as the light receiving timing. (8,8b, 8e, 8h-8r) and
A distance measuring device equipped with.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/033103 WO2021045052A1 (en) | 2019-09-06 | 2020-09-01 | Ranging device |
| CN202080062536.XA CN114341665A (en) | 2019-09-06 | 2020-09-01 | Distance measuring device |
| US17/653,528 US20220187470A1 (en) | 2019-09-06 | 2022-03-04 | Ranging device |
| JP2023018766A JP7435851B2 (en) | 2019-09-06 | 2023-02-09 | distance measuring device |
| JP2023018767A JP7435852B2 (en) | 2019-09-06 | 2023-02-09 | distance measuring device |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019163207 | 2019-09-06 | ||
| JP2019163207 | 2019-09-06 | ||
| JP2019177385 | 2019-09-27 | ||
| JP2019177385 | 2019-09-27 | ||
| JP2020013600 | 2020-01-30 | ||
| JP2020013600 | 2020-01-30 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023018767A Division JP7435852B2 (en) | 2019-09-06 | 2023-02-09 | distance measuring device |
| JP2023018766A Division JP7435851B2 (en) | 2019-09-06 | 2023-02-09 | distance measuring device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021119336A JP2021119336A (en) | 2021-08-12 |
| JP2021119336A5 true JP2021119336A5 (en) | 2021-09-24 |
| JP7294265B2 JP7294265B2 (en) | 2023-06-20 |
Family
ID=77195456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020125653A Active JP7294265B2 (en) | 2019-09-06 | 2020-07-22 | rangefinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7294265B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024072098A (en) * | 2022-11-15 | 2024-05-27 | 株式会社デンソー | Object detection device and object detection method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2853578B2 (en) * | 1993-06-28 | 1999-02-03 | 日産自動車株式会社 | Radar equipment |
| JP3771346B2 (en) * | 1997-03-10 | 2006-04-26 | 浜松ホトニクス株式会社 | Distance measuring device |
| JP3621817B2 (en) * | 1997-11-28 | 2005-02-16 | 株式会社光電製作所 | Optical pulse radar device and optical pulse light receiving device |
| KR100464584B1 (en) * | 2003-07-10 | 2005-01-03 | 에이앤디엔지니어링 주식회사 | Laser Rangefinder and method thereof |
| JP4894360B2 (en) * | 2006-06-07 | 2012-03-14 | 株式会社デンソー | Radar equipment |
| US7965384B2 (en) * | 2007-09-27 | 2011-06-21 | Omron Scientific Technologies, Inc. | Clutter rejection in active object detection systems |
| JP6665535B2 (en) * | 2016-01-11 | 2020-03-13 | 株式会社デンソー | Laser radar device |
| JP2019002760A (en) * | 2017-06-14 | 2019-01-10 | オムロンオートモーティブエレクトロニクス株式会社 | Distance measuring device |
| JP2019095353A (en) * | 2017-11-24 | 2019-06-20 | パイオニア株式会社 | Ranging device |
-
2020
- 2020-07-22 JP JP2020125653A patent/JP7294265B2/en active Active
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