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JPS53132935A - Circuit control system - Google Patents

Circuit control system

Info

Publication number
JPS53132935A
JPS53132935A JP4731577A JP4731577A JPS53132935A JP S53132935 A JPS53132935 A JP S53132935A JP 4731577 A JP4731577 A JP 4731577A JP 4731577 A JP4731577 A JP 4731577A JP S53132935 A JPS53132935 A JP S53132935A
Authority
JP
Japan
Prior art keywords
control system
circuit control
insersion
heterodyne
branching
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
JP4731577A
Other languages
Japanese (ja)
Inventor
Isao Nakazawa
Haruyuki Takano
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP4731577A priority Critical patent/JPS53132935A/en
Publication of JPS53132935A publication Critical patent/JPS53132935A/en
Pending legal-status Critical Current

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  • Radio Relay Systems (AREA)

Abstract

PURPOSE: To make definite the switching between branching and insersion systems at the intermediate repeater station in the microwave-heterodyne repeating system, by modulating pilot PL signals of each CH specially at each CH in a transmitting station.
COPYRIGHT: (C)1978,JPO&Japio
JP4731577A 1977-04-26 1977-04-26 Circuit control system Pending JPS53132935A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4731577A JPS53132935A (en) 1977-04-26 1977-04-26 Circuit control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4731577A JPS53132935A (en) 1977-04-26 1977-04-26 Circuit control system

Publications (1)

Publication Number Publication Date
JPS53132935A true JPS53132935A (en) 1978-11-20

Family

ID=12771849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4731577A Pending JPS53132935A (en) 1977-04-26 1977-04-26 Circuit control system

Country Status (1)

Country Link
JP (1) JPS53132935A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04156731A (en) * 1990-10-19 1992-05-29 Nec Corp Radio digital transmission system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04156731A (en) * 1990-10-19 1992-05-29 Nec Corp Radio digital transmission system

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