JPS6217738Y2 - - Google Patents
Info
- Publication number
- JPS6217738Y2 JPS6217738Y2 JP1980163688U JP16368880U JPS6217738Y2 JP S6217738 Y2 JPS6217738 Y2 JP S6217738Y2 JP 1980163688 U JP1980163688 U JP 1980163688U JP 16368880 U JP16368880 U JP 16368880U JP S6217738 Y2 JPS6217738 Y2 JP S6217738Y2
- Authority
- JP
- Japan
- Prior art keywords
- obstacle
- signal
- distance
- circuit
- detectors
- 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
- 238000012544 monitoring process Methods 0.000 claims description 27
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980163688U JPS6217738Y2 (US07223432-20070529-C00017.png) | 1980-11-14 | 1980-11-14 | |
| US06/320,568 US4467313A (en) | 1980-11-14 | 1981-11-12 | Automotive rear safety checking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980163688U JPS6217738Y2 (US07223432-20070529-C00017.png) | 1980-11-14 | 1980-11-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5786475U JPS5786475U (US07223432-20070529-C00017.png) | 1982-05-28 |
| JPS6217738Y2 true JPS6217738Y2 (US07223432-20070529-C00017.png) | 1987-05-07 |
Family
ID=29522460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980163688U Expired JPS6217738Y2 (US07223432-20070529-C00017.png) | 1980-11-14 | 1980-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6217738Y2 (US07223432-20070529-C00017.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595979A (ja) * | 1982-07-03 | 1984-01-12 | Nippon Soken Inc | 車両用後方障害物表示装置 |
| JPS5919456U (ja) * | 1982-07-30 | 1984-02-06 | 市光工業株式会社 | 車輌の後側方障害物警報装置 |
| JPS5919457U (ja) * | 1982-07-30 | 1984-02-06 | 市光工業株式会社 | 車輌の後方障害物警報装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54130893A (en) * | 1978-04-03 | 1979-10-11 | Youshiyou Kk | Method of confirming rear article in vehicle |
-
1980
- 1980-11-14 JP JP1980163688U patent/JPS6217738Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54130893A (en) * | 1978-04-03 | 1979-10-11 | Youshiyou Kk | Method of confirming rear article in vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5786475U (US07223432-20070529-C00017.png) | 1982-05-28 |
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