FR1576581A - - Google Patents
Info
- Publication number
- FR1576581A FR1576581A FR1576581DA FR1576581A FR 1576581 A FR1576581 A FR 1576581A FR 1576581D A FR1576581D A FR 1576581DA FR 1576581 A FR1576581 A FR 1576581A
- 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
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- 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
- G01S3/02—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 radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
- G01S3/42—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/28—Mobile studios
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR154241 | 1968-06-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1576581A true FR1576581A (en) | 1969-08-01 |
Family
ID=8650927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1576581D Expired FR1576581A (en) | 1968-06-07 | 1968-06-07 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1576581A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2092827A1 (en) * | 1970-06-23 | 1972-01-28 | Electronique Appliquee | |
EP0271176A1 (en) * | 1986-07-25 | 1988-06-15 | British Aerospace Public Limited Company | Investigating and controlling the pointing direction of an antenna on board a spacecraft |
-
1968
- 1968-06-07 FR FR1576581D patent/FR1576581A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2092827A1 (en) * | 1970-06-23 | 1972-01-28 | Electronique Appliquee | |
EP0271176A1 (en) * | 1986-07-25 | 1988-06-15 | British Aerospace Public Limited Company | Investigating and controlling the pointing direction of an antenna on board a spacecraft |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |