NL34240C - - Google Patents
Info
- Publication number
- NL34240C NL34240C NL34240DA NL34240C NL 34240 C NL34240 C NL 34240C NL 34240D A NL34240D A NL 34240DA NL 34240 C NL34240 C NL 34240C
- Authority
- NL
- Netherlands
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
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
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 Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US532006A US2016906A (en) | 1931-04-22 | 1931-04-22 | Sound wave apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL34240C true NL34240C (fr) |
Family
ID=24120017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL34240D NL34240C (fr) | 1931-04-22 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2016906A (fr) |
| FR (1) | FR41922E (fr) |
| GB (1) | GB390956A (fr) |
| NL (1) | NL34240C (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960678A (en) * | 1953-10-06 | 1960-11-15 | Honeywell Regulator Co | Ultrasonic level measuring apparatus |
| US3694800A (en) * | 1970-04-24 | 1972-09-26 | Eastman Kodak Co | Acoustical gauge |
| US4388502A (en) * | 1981-12-14 | 1983-06-14 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Adapter for mounting a microphone flush with the external surface of the skin of a pressurized aircraft |
| DE3534044A1 (de) * | 1985-09-24 | 1987-04-16 | Krauss Maffei Ag | Schleppfahrzeug fuer flugzeuge |
-
0
- NL NL34240D patent/NL34240C/xx active
-
1931
- 1931-04-22 US US532006A patent/US2016906A/en not_active Expired - Lifetime
-
1932
- 1932-04-20 FR FR41922D patent/FR41922E/fr not_active Expired
- 1932-04-22 GB GB11620/32A patent/GB390956A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2016906A (en) | 1935-10-08 |
| FR41922E (fr) | 1933-05-03 |
| GB390956A (en) | 1933-04-20 |