NL7310997A - - Google Patents
Info
- Publication number
- NL7310997A NL7310997A NL7310997A NL7310997A NL7310997A NL 7310997 A NL7310997 A NL 7310997A NL 7310997 A NL7310997 A NL 7310997A NL 7310997 A NL7310997 A NL 7310997A NL 7310997 A NL7310997 A NL 7310997A
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/56—Display arrangements
- G01S7/62—Cathode-ray tube displays
- G01S7/6218—Cathode-ray tube displays providing two-dimensional coordinated display of distance and direction
- G01S7/6227—Plan-position indicators, i.e. P.P.I.
-
- 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
- G01S15/12—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA148,966A CA1004313A (en) | 1972-08-09 | 1972-08-09 | Sonar display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7310997A true NL7310997A (https=) | 1974-02-12 |
Family
ID=4094074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7310997A NL7310997A (https=) | 1972-08-09 | 1973-08-09 |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1004313A (https=) |
| DE (1) | DE2340155A1 (https=) |
| FR (1) | FR2195798B1 (https=) |
| GB (1) | GB1434744A (https=) |
| NL (1) | NL7310997A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2493992A1 (fr) * | 1980-11-07 | 1982-05-14 | Framatome Sa | Localisateur d'emission acoustique de defauts dans une structure fermee |
| FR2544504B1 (fr) * | 1983-04-12 | 1985-07-05 | Thomson Csf | Dispositif de visualisation pour sonars |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3267265A (en) * | 1963-10-04 | 1966-08-16 | Alfred E Popodi | Random access instantaneous digital-to-analog co-ordinate converter |
| FR1499869A (fr) * | 1965-10-26 | 1967-11-03 | Hollandse Signaalapparaten Bv | Système indicateur d'oscillographe cathodique |
| US3751712A (en) * | 1970-04-29 | 1973-08-07 | Hughes Aircraft Co | Digital differential analyzer spiral scan generator |
-
1972
- 1972-08-09 CA CA148,966A patent/CA1004313A/en not_active Expired
-
1973
- 1973-08-06 GB GB3716773A patent/GB1434744A/en not_active Expired
- 1973-08-08 DE DE19732340155 patent/DE2340155A1/de active Pending
- 1973-08-09 NL NL7310997A patent/NL7310997A/xx unknown
- 1973-08-09 FR FR7329159A patent/FR2195798B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1004313A (en) | 1977-01-25 |
| FR2195798B1 (https=) | 1977-07-29 |
| FR2195798A1 (https=) | 1974-03-08 |
| GB1434744A (en) | 1976-05-05 |
| DE2340155A1 (de) | 1974-02-21 |