ATA310186A - SEARCH DEVICE FOR POINTING FROM TRANSMITTERS SIGNALING A BEAR SIGNAL - Google Patents
SEARCH DEVICE FOR POINTING FROM TRANSMITTERS SIGNALING A BEAR SIGNALInfo
- Publication number
- ATA310186A ATA310186A AT310186A AT310186A ATA310186A AT A310186 A ATA310186 A AT A310186A AT 310186 A AT310186 A AT 310186A AT 310186 A AT310186 A AT 310186A AT A310186 A ATA310186 A AT A310186A
- Authority
- AT
- Austria
- Prior art keywords
- transmitters
- pointing
- signaling
- search device
- bear signal
- Prior art date
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
- G01S3/02—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
- G01S3/28—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics
- G01S3/30—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics derived directly from separate directional systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT310186A AT391561B (en) | 1986-11-20 | 1986-11-20 | Search device for finding the direction of transmitters which emit a direction-finding signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT310186A AT391561B (en) | 1986-11-20 | 1986-11-20 | Search device for finding the direction of transmitters which emit a direction-finding signal |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA310186A true ATA310186A (en) | 1990-04-15 |
AT391561B AT391561B (en) | 1990-10-25 |
Family
ID=3545322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT310186A AT391561B (en) | 1986-11-20 | 1986-11-20 | Search device for finding the direction of transmitters which emit a direction-finding signal |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT391561B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2246041B (en) * | 1990-07-10 | 1994-11-09 | Gec Ferranti Defence Syst | A radio direction finding system |
GB9903563D0 (en) * | 1999-02-17 | 1999-04-07 | Roke Manor Research | Three axis antenna for loran receiver |
AT413449B (en) * | 2003-01-15 | 2006-03-15 | Seidel Elektronik Gmbh Nfg Kg | SEARCH, IN PARTICULAR FOR LOCATING DISPOSED PEOPLE IN LAWINEN, AND METHOD FOR OPERATING A SEARCH |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2250305A1 (en) * | 1972-10-13 | 1974-04-25 | Licentia Gmbh | ARRANGEMENT FOR DIGITIZING THE BEARING VOLTAGES OF A MULTI-CHANNEL BEARING DEVICE |
-
1986
- 1986-11-20 AT AT310186A patent/AT391561B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT391561B (en) | 1990-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3787563D1 (en) | SIGNAL IDENTIFICATION. | |
DE68920684D1 (en) | Signal discrimination system. | |
DE3774015D1 (en) | OBJECT IDENTIFICATION SYSTEM. | |
DE3787643D1 (en) | RADAR DEVICE FOR UNDERGROUND RESEARCH. | |
DE3784675D1 (en) | CIRCUIT FOR RECOVERY OF CARRIER SIGNALS. | |
DE3685645D1 (en) | SYSTEM FOR COMPENSATING A RADIO INTERFERENCE SIGNAL. | |
DE3750856D1 (en) | Device for recording information signals. | |
DE3885994D1 (en) | Circuit for motion detection. | |
DE3784670D1 (en) | DEVICE FOR CHARGING A BAND-SHAPED OBJECT. | |
DE3784043D1 (en) | MULTI-LEVEL PATTERN DETECTOR FOR A SINGLE SIGNAL. | |
DE69030168D1 (en) | Circuit for introducing identification information on a circuit microplate | |
ES287851Y (en) | A BRIGHT SIGNAL DEVICE. | |
DE3872558D1 (en) | THICK-LAYER REACTORS FOR IMPLEMENTING METHANE. | |
FI890052A0 (en) | SIGNAL JUST FOR FLYGFAELT. | |
ES1011549Y (en) | SELF-SUPPORTING PARENTERAL JAR OF SYNTHETIC RESIN. | |
DE3870490D1 (en) | SYNCHRONIZATION SYSTEM ON A SEMI-DIGITAL SIGNAL. | |
DE69015421D1 (en) | Sampling frequency recovery system. | |
DE3852445D1 (en) | Device for multiplexing digital signals. | |
DE3751181D1 (en) | Device for selecting a television signal. | |
DE3584365D1 (en) | DEVICE FOR TRANSMITTING INFORMATION. | |
KR880008513A (en) | Signal separation device | |
DE3767153D1 (en) | DEVICE FOR LOCATION. | |
ATA310186A (en) | SEARCH DEVICE FOR POINTING FROM TRANSMITTERS SIGNALING A BEAR SIGNAL | |
DE3870712D1 (en) | RECEIVER FOR A PHASE SHIFT-MODULATED CARRIER SIGNAL. | |
DE3686120D1 (en) | DEVICES FOR DETECTING LUMINESCENCE. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EIH | Change in the person of patent owner | ||
ELJ | Ceased due to non-payment of the annual fee |