NL28444C - - Google Patents
Info
- Publication number
- NL28444C NL28444C NL28444DA NL28444C NL 28444 C NL28444 C NL 28444C NL 28444D A NL28444D A NL 28444DA NL 28444 C NL28444 C NL 28444C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/02—Rotary gyroscopes
- G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
- G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE296790X | 1927-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL28444C true NL28444C (ja) |
Family
ID=6090485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL28444D NL28444C (ja) | 1927-09-08 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR673162A (ja) |
| GB (1) | GB296790A (ja) |
| NL (1) | NL28444C (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008221A (zh) * | 2019-12-18 | 2021-06-22 | 中移物联网有限公司 | 天线姿态的测试设备、方法及系统 |
-
0
- NL NL28444D patent/NL28444C/xx active
- FR FR673162D patent/FR673162A/fr not_active Expired
-
1928
- 1928-09-07 GB GB25776/28A patent/GB296790A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB296790A (en) | 1929-12-09 |
| FR673162A (ja) | 1930-01-14 |