NL219727A - - Google Patents
Info
- Publication number
- NL219727A NL219727A NL219727DA NL219727A NL 219727 A NL219727 A NL 219727A NL 219727D A NL219727D A NL 219727DA NL 219727 A NL219727 A NL 219727A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K25/00—Pulse counters with step-by-step integration and static storage; Analogous frequency dividers
-
- 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
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/96—Sonar systems specially adapted for specific applications for locating fish
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2475756A GB816119A (en) | 1956-08-13 | Improvements in or relating to sub-aqueous echo sounders for use in fishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL219727A true NL219727A (en:Method) |
Family
ID=10216777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL219727D NL219727A (en:Method) | 1956-08-13 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE560043A (en:Method) |
| ES (1) | ES237104A1 (en:Method) |
| FR (1) | FR1181240A (en:Method) |
| NL (1) | NL219727A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL137773C (en:Method) * | 1960-03-21 | |||
| NL124087C (en:Method) * | 1960-05-26 | |||
| GB8407512D0 (en) * | 1984-03-22 | 1984-05-31 | Salubre Investments | Processing of reflected signals |
-
0
- NL NL219727D patent/NL219727A/xx unknown
- BE BE560043D patent/BE560043A/xx unknown
-
1957
- 1957-08-12 ES ES0237104A patent/ES237104A1/es not_active Expired
- 1957-08-13 FR FR1181240D patent/FR1181240A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE560043A (en:Method) | |
| ES237104A1 (es) | 1958-02-01 |
| FR1181240A (fr) | 1959-06-12 |