BE544454A - - Google Patents
Info
- Publication number
- BE544454A BE544454A BE544454DA BE544454A BE 544454 A BE544454 A BE 544454A BE 544454D A BE544454D A BE 544454DA BE 544454 A BE544454 A BE 544454A
- Authority
- BE
- Belgium
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/003—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion the gear ratio being changed by inversion of torque direction
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- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gear Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB146655A GB770234A (en) | 1955-09-19 | 1955-09-19 | Improvements in or relating to echo sounders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE544454A true BE544454A (cs) |
Family
ID=9722482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE544454D BE544454A (cs) | 1955-09-19 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE544454A (cs) |
| GB (1) | GB770234A (cs) |
-
0
- BE BE544454D patent/BE544454A/xx unknown
-
1955
- 1955-09-19 GB GB146655A patent/GB770234A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB770234A (en) | 1957-03-20 |