AU2781677A - Creación de Inventos y Patentes con Inteligencia Artificial

AU2781677A – Bidirectional voice frequency repeaters
– Google Patents

AU2781677A – Bidirectional voice frequency repeaters
– Google Patents
Bidirectional voice frequency repeaters

Info

Publication number
AU2781677A

AU2781677A
AU27816/77A
AU2781677A
AU2781677A
AU 2781677 A
AU2781677 A
AU 2781677A
AU 27816/77 A
AU27816/77 A
AU 27816/77A
AU 2781677 A
AU2781677 A
AU 2781677A
AU 2781677 A
AU2781677 A
AU 2781677A
Authority
AU
Australia
Prior art keywords
voice frequency
bidirectional voice
frequency repeaters
repeaters
bidirectional
Prior art date
1976-08-16
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.)

Granted

Application number
AU27816/77A
Other versions

AU514331B2
(en

Inventor
R. B Jr. Chaikin J. deC. III. Magee J. P. and Porter G. R. ro ST Blake
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.)
1976-08-16
Filing date
1977-08-11
Publication date
1979-02-15

1977-08-11
Application filed by Western Electric Co Inc
filed
Critical
Western Electric Co Inc

1979-02-15
Publication of AU2781677A
publication
Critical
patent/AU2781677A/en

1981-02-05
Application granted
granted
Critical

1981-02-05
Publication of AU514331B2
publication
Critical
patent/AU514331B2/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

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

H04B1/586—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 an electronic circuit

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

AU27816/77A
1976-08-16
1977-08-11
Bidirectional voice frequency repeaters

Expired

AU514331B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

US05/714,306

US4074087A
(en)

1976-08-16
1976-08-16
Bidirectional voice frequency repeater

USUS714306

1976-08-16

Publications (2)

Publication Number
Publication Date

AU2781677A
true

AU2781677A
(en)

1979-02-15

AU514331B2

AU514331B2
(en)

1981-02-05

Family
ID=24869508
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU27816/77A
Expired

AU514331B2
(en)

1976-08-16
1977-08-11
Bidirectional voice frequency repeaters

Country Status (13)

Country
Link

US
(1)

US4074087A
(en)

JP
(1)

JPS5323504A
(en)

AU
(1)

AU514331B2
(en)

BE
(1)

BE857661A
(en)

CA
(1)

CA1084642A
(en)

DE
(1)

DE2736136C3
(en)

ES
(1)

ES461618A1
(en)

FR
(1)

FR2362535A1
(en)

GB
(1)

GB1563541A
(en)

IL
(1)

IL52705A0
(en)

IT
(1)

IT1084404B
(en)

NL
(1)

NL7708975A
(en)

SE
(1)

SE424127B
(en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US4174470A
(en)

1978-10-10
1979-11-13
Bell Telephone Laboratories, Incorporated
Electronic hybrid

DE2911866C3
(en)

1979-03-26
1982-03-11
Siemens AG, 1000 Berlin und 8000 München

Arrangement with a hybrid circuit for the two-wire to four-wire transition in PCM time division multiplex systems

US4365119A
(en)

1980-07-28
1982-12-21
Bell Telephone Laboratories, Incorporated
Automatically adjustable bidirectional-to-unidirectional transmission network

US4368361A
(en)

1980-07-28
1983-01-11
Bell Telephone Laboratories, Incorporated
Automatically adjustable bidirectional-to-unidirectional transmission network

JPS5916434A
(en)

1982-07-19
1984-01-27
Hitachi Ltd
Optical communication system

GB8404563D0
(en)

1984-02-21
1984-03-28
Plessey Co Plc
Adaptive cancellation bridge circuit

US4628157A
(en)

1984-09-07
1986-12-09
At&T Bell Laboratories
Bidirectional adaptive voice frequency repeater

AT384919B
(en)

1984-10-05
1988-01-25
Alcatel Austria Ag

CIRCUIT ARRANGEMENT FOR TELEPHONE NETWORKS

US4896351A
(en)

1985-06-27
1990-01-23
Siemens Ag
Apparatus for separating dc current and ac current components of a composite signal

CA1240088A
(en)

1985-11-20
1988-08-02
Mitel Corporation
Solid state trunk circuit

CA1242541A
(en)

1985-11-25
1988-09-27
Dany Sylvain
Echo cancellation in two-wire transmission path repeaters

US5282157A
(en)

1990-09-13
1994-01-25
Telecom Analysis Systems, Inc.
Input impedance derived from a transfer network

US5471527A
(en)

1993-12-02
1995-11-28
Dsc Communications Corporation
Voice enhancement system and method

US5530396A
(en)

1994-09-19
1996-06-25
Center For Innovative Technology
Damped EMI input filter power factor correction circuits

DE10147772C1
(en)

2001-09-27
2003-09-11
Siemens Ag

Method for operating a transmission system and transmission system in a power supply network

US7190194B2
(en)

2004-02-13
2007-03-13
Nec Electronics Corporation
Active hybrid transformer circuit having a replica driver

US7330545B2
(en)

2004-09-08
2008-02-12
Analog Devices Inc.
Dual transformer hybrid system and method

US7792196B2
(en)

2004-12-28
2010-09-07
Intel Corporation
Single conductor bidirectional communication link

Family Cites Families (12)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US2511948A
(en)

1950-06-20

Hybrid circuit

US2945920A
(en)

1958-01-17
1960-07-19
Motorola Inc
Electronic hybrid

US3586793A
(en)

1968-06-21
1971-06-22
John C Neal
Two way repeater

US3904838A
(en)

1971-06-04
1975-09-09
Int Standard Electric Corp
Two-wire, bi-directional voice frequency repeater

US3828146A
(en)

1973-03-22
1974-08-06
Bell Telephone Labor Inc
Time division conference hybrid circuit

US3835259A
(en)

1973-03-22
1974-09-10
Bell Telephone Labor Inc
Time division conference hybrid circuit

US3855431A
(en)

1973-04-02
1974-12-17
Itt
Electronic hybrid amplifier

US3889072A
(en)

1973-10-19
1975-06-10
Itt
Bi-directional amplification apparatus

US3973089A
(en)

1973-10-29
1976-08-03
General Electric Company
Adaptive hybrid circuit

US3872266A
(en)

1973-12-13
1975-03-18
Magnetic Controls Co
Telephone monitor circuit

US3970805A
(en)

1974-02-22
1976-07-20
Gte Automatic Electric (Canada) Limited
Active hybrid circuit

US3934099A
(en)

1974-08-16
1976-01-20
Bell Telephone Laboratories, Incorporated
Bias, feedback and network arrangements for hybrid circuits

1976

1976-08-16
US
US05/714,306
patent/US4074087A/en
not_active
Expired – Lifetime

1977

1977-07-19
CA
CA283,042A
patent/CA1084642A/en
not_active
Expired

1977-08-05
SE
SE7708932A
patent/SE424127B/en
not_active
IP Right Cessation

1977-08-10
BE
BE180061A
patent/BE857661A/en
not_active
IP Right Cessation

1977-08-10
FR
FR7724614A
patent/FR2362535A1/en
active
Granted

1977-08-11
IL
IL52705A
patent/IL52705A0/en
not_active
IP Right Cessation

1977-08-11
IT
IT26650/77A
patent/IT1084404B/en
active

1977-08-11
DE
DE2736136A
patent/DE2736136C3/en
not_active
Expired

1977-08-11
AU
AU27816/77A
patent/AU514331B2/en
not_active
Expired

1977-08-12
JP
JP9622877A
patent/JPS5323504A/en
active
Pending

1977-08-15
NL
NL7708975A
patent/NL7708975A/en
not_active
Application Discontinuation

1977-08-16
ES
ES461618A
patent/ES461618A1/en
not_active
Expired

1977-08-16
GB
GB34306/77A
patent/GB1563541A/en
not_active
Expired

Also Published As

Publication number
Publication date

JPS5323504A
(en)

1978-03-04

IT1084404B
(en)

1985-05-25

DE2736136A1
(en)

1978-02-23

ES461618A1
(en)

1978-07-01

SE7708932L
(en)

1978-02-17

BE857661A
(en)

1977-12-01

NL7708975A
(en)

1978-02-20

AU514331B2
(en)

1981-02-05

DE2736136B2
(en)

1980-12-04

US4074087A
(en)

1978-02-14

GB1563541A
(en)

1980-03-26

SE424127B
(en)

1982-06-28

DE2736136C3
(en)

1981-09-24

IL52705A0
(en)

1977-10-31

FR2362535B1
(en)

1981-07-10

FR2362535A1
(en)

1978-03-17

CA1084642A
(en)

1980-08-26

Información de contacto