AU505254B2 – Hybrid balancing
– Google Patents
AU505254B2 – Hybrid balancing
– Google Patents
Hybrid balancing
Info
Publication number
AU505254B2
AU505254B2
AU10209/76A
AU1020976A
AU505254B2
AU 505254 B2
AU505254 B2
AU 505254B2
AU 10209/76 A
AU10209/76 A
AU 10209/76A
AU 1020976 A
AU1020976 A
AU 1020976A
AU 505254 B2
AU505254 B2
AU 505254B2
Authority
AU
Australia
Prior art keywords
hybrid balancing
balancing
hybrid
Prior art date
1975-01-16
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
AU10209/76A
Other versions
AU1020976A
(en
Inventor
R. L Okelley
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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.)
1975-01-16
Filing date
1976-01-12
Publication date
1979-11-15
1976-01-12
Application filed by Western Electric Co Inc
filed
Critical
Western Electric Co Inc
1977-07-21
Publication of AU1020976A
publication
Critical
patent/AU1020976A/en
1979-11-15
Application granted
granted
Critical
1979-11-15
Publication of AU505254B2
publication
Critical
patent/AU505254B2/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B3/00—Line transmission systems
H04B3/02—Details
H04B3/30—Reducing interference caused by unbalance current in a normally balanced line
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 – H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
H04B1/40—Circuits
H04B1/54—Circuits using the same frequency for two directions of communication
H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
H04B1/581—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using a transformer
H04B1/582—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using a transformer with automatic balancing
AU10209/76A
1975-01-16
1976-01-12
Hybrid balancing
Expired
AU505254B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
US05/541,415
US3982080A
(en)
1975-01-16
1975-01-16
Automatic cable balancing network
USUS541,415
1975-01-16
Publications (2)
Publication Number
Publication Date
AU1020976A
AU1020976A
(en)
1977-07-21
AU505254B2
true
AU505254B2
(en)
1979-11-15
Family
ID=24159502
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU10209/76A
Expired
AU505254B2
(en)
1975-01-16
1976-01-12
Hybrid balancing
Country Status (12)
Country
Link
US
(1)
US3982080A
(en)
JP
(1)
JPS5199447A
(en)
AU
(1)
AU505254B2
(en)
BE
(1)
BE837480A
(en)
CA
(1)
CA1041241A
(en)
DE
(1)
DE2601445A1
(en)
ES
(1)
ES444366A1
(en)
FR
(1)
FR2298236A1
(en)
GB
(1)
GB1514055A
(en)
IT
(1)
IT1055803B
(en)
NL
(1)
NL7600260A
(en)
SE
(1)
SE408358B
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
AU594530B2
(en)
*
1986-11-25
1990-03-08
Alcatel N.V.
Electronic hybrid circuit
Families Citing this family (24)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2714803B1
(en)
*
1977-04-02
1978-08-03
Standard Elek K Lorenz Ag
Hybrid circuit for two-wire full-duplex transmission of digital signals
JPS54136253A
(en)
*
1978-04-14
1979-10-23
Nec Corp
Adaptive type electronic hybrid circuit
US4174470A
(en)
*
1978-10-10
1979-11-13
Bell Telephone Laboratories, Incorporated
Electronic hybrid
US4275276A
(en)
*
1979-08-06
1981-06-23
Bell Telephone Laboratories, Incorporated
Automatically adjustable bidirectional-to-unidirectional transmission network
US4278848A
(en)
*
1979-08-06
1981-07-14
Bell Telephone Laboratories, Incorporated
Automatically adjustable bidirectional-to-unidirectional transmission network
US4276450A
(en)
*
1979-09-05
1981-06-30
Northern Telecom Limited
Method and apparatus for improving telephone hybrid network
US5305378A
(en)
*
1980-01-07
1994-04-19
Telefonaktiebolaget Lm Ericsson
Arrangement for adjusting an adaptive digital filter included in a subscriber unit
SE419924B
(en)
*
1980-07-01
1981-08-31
Ellemtel Utvecklings Ab
DEVICE FOR SETTING AN ADAPTIVE DIGITAL BALANCE FILTER INCLUDED IN A SUBSCRIPTION UNIT
US4365119A
(en)
*
1980-07-28
1982-12-21
Bell Telephone Laboratories, Incorporated
Automatically adjustable bidirectional-to-unidirectional transmission network
US4368362A
(en)
*
1980-07-28
1983-01-11
Bell Telephone Laboratories, Incorporated
Automatic telephone loaded/nonloaded facility type identification circuit
US4368361A
(en)
*
1980-07-28
1983-01-11
Bell Telephone Laboratories, Incorporated
Automatically adjustable bidirectional-to-unidirectional transmission network
GB2139055B
(en)
*
1983-04-28
1986-10-01
Darome Inc
Automatic nulling teleconferencing circuit
DE3522238A1
(en)
*
1985-06-21
1987-01-02
Neumann Elektronik Gmbh
DEVICE FOR ADAPTING A BIDIRECTIONAL AMPLIFIER CIRCUIT ARRANGED IN A TELECOMMUNICATION LINE TO THE TELECOMMUNICATION LINE
US4910768A
(en)
*
1988-08-02
1990-03-20
The Inteleplex Corporation
Automatic balancing circuit for longitudinal transmission system
DE3942758A1
(en)
*
1989-12-23
1991-06-27
Standard Elektrik Lorenz Ag
Complex impedance two-to-four wire interface circuit – uses amplified with complex impedance feedback and series resistors to measure current and phase
US5187742A
(en)
*
1990-01-12
1993-02-16
Codex Corporation
Circuitry for interfacing telecommunications equipment to a communication channel
US5172410A
(en)
*
1990-04-26
1992-12-15
Sound Control Technologies, Inc.
Conference telephone system and method
US5131033A
(en)
*
1990-05-15
1992-07-14
Xel Communications, Inc.
Sealing current generator for a telephone circuit
US5333194A
(en)
*
1990-10-15
1994-07-26
Glenayre Electronics, Inc.
Autoequalizing bidirectional-to-unidirectional hybrid network
US5618591A
(en)
*
1995-05-15
1997-04-08
Fuse Co.
Method of coating an inside of a pipe or tube
US6400772B1
(en)
1998-06-16
2002-06-04
Rc Networks
Line interface and method for detecting and eliminating an impedance mismatch between a transceiver and a transmission line
US6298046B1
(en)
1998-08-28
2001-10-02
Rc Networks
Adjustable balancing circuit for an adaptive hybrid and method of adjusting the same
US6973183B1
(en)
*
2001-03-01
2005-12-06
Garcia John D
Method and apparatus for dynamically matching impedance
GB0404911D0
(en)
2004-03-04
2004-04-07
Mitel Networks Corp
Method of selecting impedance setting for loop start trunk line
Family Cites Families (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2302374A
(en)
*
1941-02-25
1942-11-17
Bell Telephone Labor Inc
Two-way signal transmission system
US2303419A
(en)
*
1941-06-06
1942-12-01
Bell Telephone Labor Inc
Two-way signal transmission system
US3178521A
(en)
*
1962-11-15
1965-04-13
Bell Telephone Labor Inc
Dynamically balanced telephone network
US3824501A
(en)
*
1973-07-12
1974-07-16
Bell Telephone Labor Inc
Automatic cable equalizer
US3875350A
(en)
*
1973-11-05
1975-04-01
Gte Automatic Electric Lab Inc
Self-balancing hybrid circuit
1975
1975-01-16
US
US05/541,415
patent/US3982080A/en
not_active
Expired – Lifetime
1975-12-10
CA
CA241,494A
patent/CA1041241A/en
not_active
Expired
1976
1976-01-08
SE
SE7600123A
patent/SE408358B/en
unknown
1976-01-12
AU
AU10209/76A
patent/AU505254B2/en
not_active
Expired
1976-01-12
BE
BE163442A
patent/BE837480A/en
not_active
IP Right Cessation
1976-01-12
NL
NL7600260A
patent/NL7600260A/en
not_active
Application Discontinuation
1976-01-12
FR
FR7600604A
patent/FR2298236A1/en
active
Granted
1976-01-13
GB
GB1131/76A
patent/GB1514055A/en
not_active
Expired
1976-01-15
IT
IT67093/76A
patent/IT1055803B/en
active
1976-01-16
ES
ES444366A
patent/ES444366A1/en
not_active
Expired
1976-01-16
DE
DE19762601445
patent/DE2601445A1/en
not_active
Withdrawn
1976-01-16
JP
JP51003299A
patent/JPS5199447A/ja
active
Pending
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
AU594530B2
(en)
*
1986-11-25
1990-03-08
Alcatel N.V.
Electronic hybrid circuit
Also Published As
Publication number
Publication date
SE408358B
(en)
1979-06-05
IT1055803B
(en)
1982-01-11
NL7600260A
(en)
1976-07-20
BE837480A
(en)
1976-05-03
DE2601445A1
(en)
1976-07-22
ES444366A1
(en)
1977-05-16
FR2298236B1
(en)
1978-08-18
USB541415I5
(en)
1976-02-03
CA1041241A
(en)
1978-10-24
US3982080A
(en)
1976-09-21
AU1020976A
(en)
1977-07-21
SE7600123L
(en)
1976-07-19
JPS5199447A
(en)
1976-09-02
GB1514055A
(en)
1978-06-14
FR2298236A1
(en)
1976-08-13
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