FR1544797A - Improvements to tracking devices - Google Patents
Improvements to tracking devicesInfo
- Publication number
- FR1544797A FR1544797A FR122379A FR122379A FR1544797A FR 1544797 A FR1544797 A FR 1544797A FR 122379 A FR122379 A FR 122379A FR 122379 A FR122379 A FR 122379A FR 1544797 A FR1544797 A FR 1544797A
- Authority
- FR
- France
- Prior art keywords
- tracking devices
- tracking
- devices
- Prior art date
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR122379A FR1544797A (en) | 1967-09-26 | 1967-09-26 | Improvements to tracking devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR122379A FR1544797A (en) | 1967-09-26 | 1967-09-26 | Improvements to tracking devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1544797A true FR1544797A (en) | 1968-11-08 |
Family
ID=8639036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR122379A Expired FR1544797A (en) | 1967-09-26 | 1967-09-26 | Improvements to tracking devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1544797A (en) |
-
1967
- 1967-09-26 FR FR122379A patent/FR1544797A/en not_active Expired
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