JPS56115017A - Branching device - Google Patents

Branching device

Info

Publication number
JPS56115017A
JPS56115017A JP1887980A JP1887980A JPS56115017A JP S56115017 A JPS56115017 A JP S56115017A JP 1887980 A JP1887980 A JP 1887980A JP 1887980 A JP1887980 A JP 1887980A JP S56115017 A JPS56115017 A JP S56115017A
Authority
JP
Japan
Prior art keywords
signal
property
terminal
duplex
frequency
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.)
Granted
Application number
JP1887980A
Other languages
Japanese (ja)
Other versions
JPS637483B2 (en
Inventor
Nobutaka Inoue
Masahiro Otsu
Junichi Shibata
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.)
Maspro Denkoh Corp
Original Assignee
Maspro Denkoh Corp
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 Maspro Denkoh Corp filed Critical Maspro Denkoh Corp
Priority to JP1887980A priority Critical patent/JPS56115017A/en
Publication of JPS56115017A publication Critical patent/JPS56115017A/en
Publication of JPS637483B2 publication Critical patent/JPS637483B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/48—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source

Landscapes

  • Transceivers (AREA)
  • Details Of Television Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

PURPOSE:To secure the duplex property only for the signal of a specific property and then the directional property for the TV signal respectively, by connecting two units of the specific frequency duplex property generating elements to the branching element. CONSTITUTION:The sides (e) and (f) of the branching element 11 having a directional property are connected to the input and output terminals 8 and 9, and the side (g) is connected to the side (j) of the duplex property generating element 13. On the other hand, the specific frequency duplex property generating element 12 functions to block only the signal having a specific frequency. The side (h) of the element 12 is connected to the terminal 9, and the side (f) is connected to the branch terminal 10 along with the side (k). In such constitution, the signal loss quantity of the terminal 10 is low over a wide frequency range in case when the signal is supplied through the terminal 8, and the signal loss of the terminal 10 is low only at the characteristic frequency band in case when the signal is supplied through the terminal 9 respectively. As a result, the duplex property is secured for only the signal of communication frequency of a carrier-type interphone or the like, and the directional property is secured for the TV signal respectively. Thus the TV common receiving facilities can be shared as a communication circuit.
JP1887980A 1980-02-18 1980-02-18 Branching device Granted JPS56115017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1887980A JPS56115017A (en) 1980-02-18 1980-02-18 Branching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1887980A JPS56115017A (en) 1980-02-18 1980-02-18 Branching device

Publications (2)

Publication Number Publication Date
JPS56115017A true JPS56115017A (en) 1981-09-10
JPS637483B2 JPS637483B2 (en) 1988-02-17

Family

ID=11983832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1887980A Granted JPS56115017A (en) 1980-02-18 1980-02-18 Branching device

Country Status (1)

Country Link
JP (1) JPS56115017A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5990480A (en) * 1982-11-15 1984-05-24 Matsushita Electric Works Ltd Catv branching system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007158665A (en) * 2005-12-05 2007-06-21 Nippon Antenna Co Ltd Distributor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5990480A (en) * 1982-11-15 1984-05-24 Matsushita Electric Works Ltd Catv branching system

Also Published As

Publication number Publication date
JPS637483B2 (en) 1988-02-17

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