BE412585A - - Google Patents
Info
- Publication number
- BE412585A BE412585A BE412585DA BE412585A BE 412585 A BE412585 A BE 412585A BE 412585D A BE412585D A BE 412585DA BE 412585 A BE412585 A BE 412585A
- 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
- 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)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Recording Measured Values (AREA)
- Printing Methods (AREA)
- Adjustable Resistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3466134A GB448331A (en) | 1934-12-03 | 1934-12-03 | Improvements in recorders for echo sounding, and in other recording apparatus, in which marking is effected by electro-chemical means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE412585A true BE412585A (en) |
Family
ID=10368400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE412585D BE412585A (en) | 1934-12-03 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE412585A (en) |
| FR (1) | FR800938A (en) |
| GB (2) | GB448408A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE946926C (en) * | 1953-10-08 | 1956-08-09 | Milton Alden | Registration device |
-
0
- BE BE412585D patent/BE412585A/xx unknown
-
1934
- 1934-12-03 GB GB973236A patent/GB448408A/en not_active Expired
- 1934-12-03 GB GB3466134A patent/GB448331A/en not_active Expired
-
1935
- 1935-12-03 FR FR800938D patent/FR800938A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB448408A (en) | 1936-06-03 |
| FR800938A (en) | 1936-07-22 |
| GB448331A (en) | 1936-06-03 |