FR523449A - Télémètre acoustique - Google Patents
Télémètre acoustiqueInfo
- Publication number
- FR523449A FR523449A FR523449A FR523449DA FR523449A FR 523449 A FR523449 A FR 523449A FR 523449 A FR523449 A FR 523449A FR 523449D A FR523449D A FR 523449DA FR 523449 A FR523449 A FR 523449A
- Authority
- FR
- France
- Prior art keywords
- acoustic rangefinder
- rangefinder
- acoustic
- 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
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR523449T | 1920-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR523449A true FR523449A (fr) | 1921-08-18 |
Family
ID=8918616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR523449A Expired FR523449A (fr) | 1920-01-28 | 1920-01-28 | Télémètre acoustique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR523449A (fr) |
-
1920
- 1920-01-28 FR FR523449A patent/FR523449A/fr not_active Expired
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