FR2113940B1 - - Google Patents
Info
- Publication number
- FR2113940B1 FR2113940B1 FR7140535A FR7140535A FR2113940B1 FR 2113940 B1 FR2113940 B1 FR 2113940B1 FR 7140535 A FR7140535 A FR 7140535A FR 7140535 A FR7140535 A FR 7140535A FR 2113940 B1 FR2113940 B1 FR 2113940B1
- 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.)
- Expired
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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
- G01S3/782—Systems for determining direction or deviation from predetermined direction
- G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
- G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
- G01S3/7864—T.V. type tracking systems
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1098271A SE346447B (cs) | 1970-11-13 | 1970-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2113940A1 FR2113940A1 (cs) | 1972-06-30 |
| FR2113940B1 true FR2113940B1 (cs) | 1976-10-29 |
Family
ID=20293162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7140535A Expired FR2113940B1 (cs) | 1970-11-13 | 1971-11-12 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT318027B (cs) |
| CH (1) | CH531747A (cs) |
| FR (1) | FR2113940B1 (cs) |
| SE (1) | SE346447B (cs) |
-
1970
- 1970-11-13 SE SE1098271A patent/SE346447B/xx unknown
-
1971
- 1971-11-09 AT AT967371A patent/AT318027B/de not_active IP Right Cessation
- 1971-11-10 CH CH1633571A patent/CH531747A/de not_active IP Right Cessation
- 1971-11-12 FR FR7140535A patent/FR2113940B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE346447B (cs) | 1972-07-03 |
| CH531747A (de) | 1972-12-15 |
| AT318027B (de) | 1974-09-25 |
| FR2113940A1 (cs) | 1972-06-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licenses |