JPS5748748B2 - - Google Patents
Info
- Publication number
- JPS5748748B2 JPS5748748B2 JP7782575A JP7782575A JPS5748748B2 JP S5748748 B2 JPS5748748 B2 JP S5748748B2 JP 7782575 A JP7782575 A JP 7782575A JP 7782575 A JP7782575 A JP 7782575A JP S5748748 B2 JPS5748748 B2 JP S5748748B2
- Authority
- JP
- Japan
- 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
- G01S3/02—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
- G01S3/44—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 adjustment being varied periodically or continuously until it is halted automatically when the desired condition is attained
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radio Relay Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7782575A JPS522296A (en) | 1975-06-24 | 1975-06-24 | Satellite tracing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7782575A JPS522296A (en) | 1975-06-24 | 1975-06-24 | Satellite tracing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS522296A JPS522296A (en) | 1977-01-08 |
| JPS5748748B2 true JPS5748748B2 (sr) | 1982-10-18 |
Family
ID=13644805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7782575A Granted JPS522296A (en) | 1975-06-24 | 1975-06-24 | Satellite tracing system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS522296A (sr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54149595A (en) * | 1978-05-17 | 1979-11-22 | Hitachi Ltd | Antenna tracking unit |
| JPS5580072A (en) * | 1978-12-13 | 1980-06-16 | Toshiba Mach Co Ltd | Apparatus for controlling attitude of signal device |
| JPS5617536A (en) * | 1979-07-24 | 1981-02-19 | Fumio Ikegami | Radio receiving device |
| US4283475A (en) * | 1979-08-21 | 1981-08-11 | Fuji Photo Film Co., Ltd. | Pentamethine thiopyrylium salts, process for production thereof, and photoconductive compositions containing said salts |
| JPS5895272A (ja) * | 1981-12-02 | 1983-06-06 | Nippon Telegr & Teleph Corp <Ntt> | アンテナ指向方向制御装置 |
| JP3995320B2 (ja) * | 1997-11-06 | 2007-10-24 | 三菱電機株式会社 | 衛星電波監視装置 |
| JP6005377B2 (ja) * | 2012-03-27 | 2016-10-12 | 公益財団法人鉄道総合技術研究所 | 鉄道用レーザ通信システム |
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1975
- 1975-06-24 JP JP7782575A patent/JPS522296A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS522296A (en) | 1977-01-08 |