JPS6255082B2 - - Google Patents
Info
- Publication number
- JPS6255082B2 JPS6255082B2 JP11340381A JP11340381A JPS6255082B2 JP S6255082 B2 JPS6255082 B2 JP S6255082B2 JP 11340381 A JP11340381 A JP 11340381A JP 11340381 A JP11340381 A JP 11340381A JP S6255082 B2 JPS6255082 B2 JP S6255082B2
- Authority
- JP
- Japan
- Prior art keywords
- shadow
- imaginary
- directly below
- point
- reflected
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Road Signs Or Road Markings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11340381A JPS5815125A (ja) | 1981-07-20 | 1981-07-20 | 架空物の直下位置検知方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11340381A JPS5815125A (ja) | 1981-07-20 | 1981-07-20 | 架空物の直下位置検知方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5815125A JPS5815125A (ja) | 1983-01-28 |
| JPS6255082B2 true JPS6255082B2 (2) | 1987-11-18 |
Family
ID=14611404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11340381A Granted JPS5815125A (ja) | 1981-07-20 | 1981-07-20 | 架空物の直下位置検知方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5815125A (2) |
-
1981
- 1981-07-20 JP JP11340381A patent/JPS5815125A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5815125A (ja) | 1983-01-28 |
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