FR2195798A1 - - Google Patents
Info
- Publication number
- FR2195798A1 FR2195798A1 FR7329159A FR7329159A FR2195798A1 FR 2195798 A1 FR2195798 A1 FR 2195798A1 FR 7329159 A FR7329159 A FR 7329159A FR 7329159 A FR7329159 A FR 7329159A FR 2195798 A1 FR2195798 A1 FR 2195798A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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 (2)
Publication Number | Publication Date |
---|---|
FR2195798A1 true FR2195798A1 (fr) | 1974-03-08 |
FR2195798B1 FR2195798B1 (fr) | 1977-07-29 |
Family
ID=4094074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7329159A Expired FR2195798B1 (fr) | 1972-08-09 | 1973-08-09 |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1004313A (fr) |
DE (1) | DE2340155A1 (fr) |
FR (1) | FR2195798B1 (fr) |
GB (1) | GB1434744A (fr) |
NL (1) | NL7310997A (fr) |
Cited By (1)
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 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2544504B1 (fr) * | 1983-04-12 | 1985-07-05 | Thomson Csf | Dispositif de visualisation pour sonars |
Citations (4)
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 |
DE1798365A1 (de) * | 1966-10-19 | 1972-01-20 | Krupp Gmbh | Nach dem Rueckstrahlverfahren,insbesondere mit Schallwellen im Wasser,arbeitendes Entfernungsmessgeraet |
FR2092111A1 (fr) * | 1970-04-29 | 1972-01-21 | Hughes Aircraft Co |
-
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
Patent Citations (4)
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 |
DE1798365A1 (de) * | 1966-10-19 | 1972-01-20 | Krupp Gmbh | Nach dem Rueckstrahlverfahren,insbesondere mit Schallwellen im Wasser,arbeitendes Entfernungsmessgeraet |
FR2092111A1 (fr) * | 1970-04-29 | 1972-01-21 | Hughes Aircraft Co |
Cited By (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 |
EP0052550A1 (fr) * | 1980-11-07 | 1982-05-26 | Framatome | Localisateur d'émission acoustique de défauts dans une structure fermée |
Also Published As
Publication number | Publication date |
---|---|
FR2195798B1 (fr) | 1977-07-29 |
DE2340155A1 (de) | 1974-02-21 |
NL7310997A (fr) | 1974-02-12 |
GB1434744A (en) | 1976-05-05 |
CA1004313A (en) | 1977-01-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |