JPS6151839B2 - - Google Patents

Info

Publication number
JPS6151839B2
JPS6151839B2 JP15472678A JP15472678A JPS6151839B2 JP S6151839 B2 JPS6151839 B2 JP S6151839B2 JP 15472678 A JP15472678 A JP 15472678A JP 15472678 A JP15472678 A JP 15472678A JP S6151839 B2 JPS6151839 B2 JP S6151839B2
Authority
JP
Japan
Prior art keywords
wire
impedance
line
circuit
subscriber
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.)
Expired
Application number
JP15472678A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5580989A (en
Inventor
Akihiro Kitamura
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP15472678A priority Critical patent/JPS5580989A/ja
Publication of JPS5580989A publication Critical patent/JPS5580989A/ja
Publication of JPS6151839B2 publication Critical patent/JPS6151839B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/56—Balancing circuitry switched-on automatically in dependence on automatically-selected lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
JP15472678A 1978-12-15 1978-12-15 Automatic balancing system for exchange Granted JPS5580989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15472678A JPS5580989A (en) 1978-12-15 1978-12-15 Automatic balancing system for exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15472678A JPS5580989A (en) 1978-12-15 1978-12-15 Automatic balancing system for exchange

Publications (2)

Publication Number Publication Date
JPS5580989A JPS5580989A (en) 1980-06-18
JPS6151839B2 true JPS6151839B2 (enrdf_load_stackoverflow) 1986-11-11

Family

ID=15590603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15472678A Granted JPS5580989A (en) 1978-12-15 1978-12-15 Automatic balancing system for exchange

Country Status (1)

Country Link
JP (1) JPS5580989A (enrdf_load_stackoverflow)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6070893A (ja) * 1983-09-28 1985-04-22 Hitachi Ltd ライン回路の自動成端方式
JPS6436188A (en) * 1987-07-30 1989-02-07 Nec Corp Balance network setting system
US9363469B2 (en) 2008-07-17 2016-06-07 Ppc Broadband, Inc. Passive-active terminal adapter and method having automatic return loss control
US8356322B2 (en) 2009-09-21 2013-01-15 John Mezzalingua Associates, Inc. Passive multi-port entry adapter and method for preserving downstream CATV signal strength within in-home network
US9351051B2 (en) 2008-10-13 2016-05-24 Ppc Broadband, Inc. CATV entry adapter and method for distributing CATV and in-home entertainment signals
US8429695B2 (en) 2008-10-21 2013-04-23 Ppc Broadband, Inc. CATV entry adapter and method utilizing directional couplers for MoCA signal communication
US10154302B2 (en) 2008-10-13 2018-12-11 Ppc Broadband, Inc. CATV entry adapter and method for distributing CATV and in-home entertainment signals
US8286209B2 (en) 2008-10-21 2012-10-09 John Mezzalingua Associates, Inc. Multi-port entry adapter, hub and method for interfacing a CATV network and a MoCA network
US9647851B2 (en) 2008-10-13 2017-05-09 Ppc Broadband, Inc. Ingress noise inhibiting network interface device and method for cable television networks
US8385219B2 (en) 2009-10-09 2013-02-26 John Mezzalingua Associates, Inc. Upstream bandwidth level measurement device
US8001579B2 (en) 2008-10-16 2011-08-16 John Mezzalingua Associates, Inc. Downstream output level and/or output level tilt compensation device between CATV distribution system and CATV user
US8213457B2 (en) 2009-10-09 2012-07-03 John Mezzalingua Associates, Inc. Upstream bandwidth conditioning device
US8516537B2 (en) 2009-10-09 2013-08-20 Ppc Broadband, Inc. Downstream bandwidth conditioning device
US8832767B2 (en) 2008-10-16 2014-09-09 Ppc Broadband, Inc. Dynamically configurable frequency band selection device between CATV distribution system and CATV user
US8464301B2 (en) 2008-10-16 2013-06-11 Ppc Broadband, Inc. Upstream bandwidth conditioning device between CATV distribution system and CATV user
US11910052B2 (en) 2008-10-21 2024-02-20 Ppc Broadband, Inc. Entry device for communicating external network signals and in-home network signals
US8584192B2 (en) 2009-03-30 2013-11-12 Ppc Broadband, Inc. Upstream bandwidth conditioning device
US8990881B2 (en) 2009-03-30 2015-03-24 Ppc Broadband, Inc. Upstream bandwidth conditioning device
US8181211B2 (en) 2009-03-30 2012-05-15 John Mezzalingua Associates, Inc. Total bandwidth conditioning device
US8141122B2 (en) 2009-03-30 2012-03-20 John Mezzalingua Associates, Inc. RF terminate/permit system
US8082570B2 (en) 2009-03-30 2011-12-20 John Mezzalingua Associates, Inc. Method and apparatus for a self-terminating signal path
US8179814B2 (en) 2009-03-30 2012-05-15 John Mezzalingua Associates, Inc. Automatic return path switching for a signal conditioning device
US8098113B2 (en) 2009-05-29 2012-01-17 John Mezzalingua Associates, Inc. Self-terminating coaxial cable port
US8274566B2 (en) 2009-10-09 2012-09-25 John Mezzalingua Associates, Inc. Modulation analyzer and level measurement device
US8487717B2 (en) 2010-02-01 2013-07-16 Ppc Broadband, Inc. Multipath mitigation circuit for home network
CA2831220C (en) 2010-12-21 2022-05-31 Ppc Broadband, Inc. Method and apparatus for reducing isolation in a home network
US9264012B2 (en) 2012-06-25 2016-02-16 Ppc Broadband, Inc. Radio frequency signal splitter
CA3028756A1 (en) 2016-06-30 2018-01-04 Ppc Broadband, Inc. Passive enhanced moca entry device
WO2019143613A2 (en) 2018-01-19 2019-07-25 Ppc Broadband, Inc. Systems and methods for extending an in-home splitter network

Also Published As

Publication number Publication date
JPS5580989A (en) 1980-06-18

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