BE476852A - - Google Patents
Info
- Publication number
- BE476852A BE476852A BE476852DA BE476852A BE 476852 A BE476852 A BE 476852A BE 476852D A BE476852D A BE 476852DA BE 476852 A BE476852 A BE 476852A
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S15/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1697339A GB530326A (en) | 1939-06-09 | 1939-06-09 | Arrangements for measuring distance between two objects particularly for depth sounding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE476852A true BE476852A (ja) |
Family
ID=10086941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE476852D BE476852A (ja) | 1939-06-09 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE476852A (ja) |
| ES (1) | ES179639A1 (ja) |
| GB (1) | GB530326A (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2141545B (en) * | 1983-06-16 | 1986-07-02 | Standard Telephones Cables Ltd | Position and determination on visual display units |
-
0
- BE BE476852D patent/BE476852A/xx unknown
-
1939
- 1939-06-09 GB GB1697339A patent/GB530326A/en not_active Expired
-
1947
- 1947-09-08 ES ES179639A patent/ES179639A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB530326A (en) | 1940-12-10 |
| ES179639A1 (es) | 1947-10-16 |