JPS51132741A - Satellite and ground simultaneous- broadcast transmitting and receivin g system - Google Patents

Satellite and ground simultaneous- broadcast transmitting and receivin g system

Info

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
Application number
JP5769675A
Other languages
Japanese (ja)
Inventor
Yoshizo Shibano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP5769675A priority Critical patent/JPS51132741A/en
Publication of JPS51132741A publication Critical patent/JPS51132741A/en
Pending legal-status Critical Current

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

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.
JP5769675A 1975-05-13 1975-05-13 Satellite and ground simultaneous- broadcast transmitting and receivin g system Pending JPS51132741A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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