DE308817C - - Google Patents
Info
- Publication number
- DE308817C DE308817C DE1917308817D DE308817DD DE308817C DE 308817 C DE308817 C DE 308817C DE 1917308817 D DE1917308817 D DE 1917308817D DE 308817D D DE308817D D DE 308817DD DE 308817 C DE308817 C DE 308817C
- Authority
- DE
- Germany
- Prior art keywords
- aircraft
- telescope
- circle
- distance
- ellipse
- 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 - Lifetime
Links
- 238000005259 measurement Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
- 241000269627 Amphiuma means Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE308817T | 1917-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE308817C true DE308817C (cs) |
Family
ID=34876950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1917308817D Expired - Lifetime DE308817C (cs) | 1917-04-12 | 1917-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE308817C (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5479559A (en) * | 1993-05-28 | 1995-12-26 | Motorola, Inc. | Excitation synchronous time encoding vocoder and method |
-
1917
- 1917-04-12 DE DE1917308817D patent/DE308817C/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5479559A (en) * | 1993-05-28 | 1995-12-26 | Motorola, Inc. | Excitation synchronous time encoding vocoder and method |
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