JPH0330111B2 - - Google Patents
Info
- Publication number
- JPH0330111B2 JPH0330111B2 JP59263198A JP26319884A JPH0330111B2 JP H0330111 B2 JPH0330111 B2 JP H0330111B2 JP 59263198 A JP59263198 A JP 59263198A JP 26319884 A JP26319884 A JP 26319884A JP H0330111 B2 JPH0330111 B2 JP H0330111B2
- Authority
- JP
- Japan
- Prior art keywords
- arrival
- omnidirectional antennas
- antennas
- signal
- omnidirectional
- 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 - Lifetime
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
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26319884A JPS61139770A (ja) | 1984-12-12 | 1984-12-12 | 簡易形方向探知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26319884A JPS61139770A (ja) | 1984-12-12 | 1984-12-12 | 簡易形方向探知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61139770A JPS61139770A (ja) | 1986-06-27 |
JPH0330111B2 true JPH0330111B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-04-26 |
Family
ID=17386136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP26319884A Granted JPS61139770A (ja) | 1984-12-12 | 1984-12-12 | 簡易形方向探知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61139770A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH056548Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1986-08-18 | 1993-02-19 | ||
GB0325622D0 (en) | 2003-11-03 | 2003-12-10 | Cambridge Consultants | System for determining positional information |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS643081Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1981-03-26 | 1989-01-26 |
-
1984
- 1984-12-12 JP JP26319884A patent/JPS61139770A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61139770A (ja) | 1986-06-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |