JPS5249716A - Two-way transmission system - Google Patents

Two-way transmission system

Info

Publication number
JPS5249716A
JPS5249716A JP12530875A JP12530875A JPS5249716A JP S5249716 A JPS5249716 A JP S5249716A JP 12530875 A JP12530875 A JP 12530875A JP 12530875 A JP12530875 A JP 12530875A JP S5249716 A JPS5249716 A JP S5249716A
Authority
JP
Japan
Prior art keywords
way transmission
transmission system
way
simplification
ensured
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
JP12530875A
Other languages
Japanese (ja)
Inventor
Hikari Taniguchi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12530875A priority Critical patent/JPS5249716A/en
Publication of JPS5249716A publication Critical patent/JPS5249716A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/62—Two-way amplifiers

Abstract

PURPOSE:The two-way transmission is carried by actuating input-output switching relay of repeater form transmission and receiving terminals. Thus, simplification is ensured for two-way transmission system.
JP12530875A 1975-10-20 1975-10-20 Two-way transmission system Pending JPS5249716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12530875A JPS5249716A (en) 1975-10-20 1975-10-20 Two-way transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12530875A JPS5249716A (en) 1975-10-20 1975-10-20 Two-way transmission system

Publications (1)

Publication Number Publication Date
JPS5249716A true JPS5249716A (en) 1977-04-21

Family

ID=14906874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12530875A Pending JPS5249716A (en) 1975-10-20 1975-10-20 Two-way transmission system

Country Status (1)

Country Link
JP (1) JPS5249716A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53144611A (en) * 1977-04-25 1978-12-16 Westinghouse Electric Corp Power line communication system
JPS5757041A (en) * 1980-09-22 1982-04-06 Nippon Telegr & Teleph Corp <Ntt> Relay transmission system
JPH0382271A (en) * 1989-08-25 1991-04-08 Yagi Antenna Co Ltd Line switch for catv

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53144611A (en) * 1977-04-25 1978-12-16 Westinghouse Electric Corp Power line communication system
JPS5757041A (en) * 1980-09-22 1982-04-06 Nippon Telegr & Teleph Corp <Ntt> Relay transmission system
JPH0382271A (en) * 1989-08-25 1991-04-08 Yagi Antenna Co Ltd Line switch for catv

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