BE351282A - - Google Patents
Info
- Publication number
- BE351282A BE351282A BE351282DA BE351282A BE 351282 A BE351282 A BE 351282A BE 351282D A BE351282D A BE 351282DA BE 351282 A BE351282 A BE 351282A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/16—Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electrical and acoustic signals
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1963127A GB281972A (en) | 1927-06-02 | 1927-06-02 | Improvement on wireless distance finding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE351282A true BE351282A (en:Method) |
Family
ID=10132573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE351282D BE351282A (en:Method) | 1927-06-02 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE351282A (en:Method) |
| FR (1) | FR654009A (en:Method) |
| GB (1) | GB281972A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6662137B2 (en) * | 2000-12-19 | 2003-12-09 | Hewlett-Packard Development Company, L.P. | Device location discovery by sound |
-
0
- BE BE351282D patent/BE351282A/xx unknown
-
1927
- 1927-06-02 GB GB1963127A patent/GB281972A/en not_active Expired
-
1928
- 1928-05-09 FR FR654009D patent/FR654009A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR654009A (fr) | 1929-03-30 |
| GB281972A (en) | 1927-12-15 |