JPS51132741A - Satellite and ground simultaneous- broadcast transmitting and receivin g system - Google Patents
Satellite and ground simultaneous- broadcast transmitting and receivin g systemInfo
- Publication number
- JPS51132741A JPS51132741A JP5769675A JP5769675A JPS51132741A JP S51132741 A JPS51132741 A JP S51132741A JP 5769675 A JP5769675 A JP 5769675A JP 5769675 A JP5769675 A JP 5769675A JP S51132741 A JPS51132741 A JP S51132741A
- Authority
- JP
- Japan
- Prior art keywords
- satellite
- receivin
- broadcast transmitting
- ground
- simultaneous
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/71—Wireless systems
- H04H20/74—Wireless systems of satellite networks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2611—Means for null steering; Adaptive interference nulling
- H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
PURPOSE:Satellite & Ground Simultaneous-Broadcast Transmitting & Receiving System which is designed so as to simultaneously receive and separate the satellite-broadcast and the ground-broadcast with the identical frequency.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5769675A JPS51132741A (en) | 1975-05-13 | 1975-05-13 | Satellite and ground simultaneous- broadcast transmitting and receivin g system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5769675A JPS51132741A (en) | 1975-05-13 | 1975-05-13 | Satellite and ground simultaneous- broadcast transmitting and receivin g system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51132741A true JPS51132741A (en) | 1976-11-18 |
Family
ID=13063093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5769675A Pending JPS51132741A (en) | 1975-05-13 | 1975-05-13 | Satellite and ground simultaneous- broadcast transmitting and receivin g system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51132741A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58177006A (en) * | 1982-04-09 | 1983-10-17 | Nippon Telegr & Teleph Corp <Ntt> | Reflecting mirror antenna |
US5287765A (en) * | 1990-01-04 | 1994-02-22 | Brian Scura | Hand actuated cable displacement system |
-
1975
- 1975-05-13 JP JP5769675A patent/JPS51132741A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58177006A (en) * | 1982-04-09 | 1983-10-17 | Nippon Telegr & Teleph Corp <Ntt> | Reflecting mirror antenna |
US5287765A (en) * | 1990-01-04 | 1994-02-22 | Brian Scura | Hand actuated cable displacement system |
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