DK656787A - Telekommunikationskredsloeb - Google Patents

Telekommunikationskredsloeb

Info

Publication number: DK656787A
Authority: DK; Denmark
Prior art keywords: transistor; telecommunication circuit; resistor; line; series
Prior art date: 1986-12-16

Application number

DK656787A

Other languages

English (en)

Other versions

DK656787D0 (da

Inventor

Elve Desiderius Jozef Moons

Jozef Dirck Guido Le Cannaerts

Original Assignee

Alcatel Nv

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.)

1986-12-16

Filing date

1987-12-15

Publication date

1988-06-17

1987-12-15 Application filed by Alcatel Nv filed Critical Alcatel Nv

1987-12-15 Publication of DK656787D0 publication Critical patent/DK656787D0/da

1988-06-17 Publication of DK656787A publication Critical patent/DK656787A/da

Links

230000015572 biosynthetic process Effects 0.000 abstract 1
239000003990 capacitor Substances 0.000 abstract 1
239000004020 conductor Substances 0.000 abstract 1
230000001105 regulatory effect Effects 0.000 abstract 1
238000003786 synthesis reaction Methods 0.000 abstract 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6025—Substation equipment, e.g. for use by subscribers including speech amplifiers implemented as integrated speech networks
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/76—Compensating for differences in line impedance
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Amplifiers (AREA)
Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Devices For Supply Of Signal Current (AREA)
Burglar Alarm Systems (AREA)
Circuits Of Receivers In General (AREA)
Interface Circuits In Exchanges (AREA)

DK656787A 1986-12-16 1987-12-15 Telekommunikationskredsloeb DK656787A (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BE2/61110A BE905921A (nl)	1986-12-16	1986-12-16	Telecommunicatie-inrichting en daarin gebruikte ketens.

Publications (2)

Publication Number	Publication Date
DK656787D0 DK656787D0 (da)	1987-12-15
DK656787A true DK656787A (da)	1988-06-17

Family

ID=3865843

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK656787A DK656787A (da)	1986-12-16	1987-12-15	Telekommunikationskredsloeb

Country Status (7)

Country	Link
EP (1)	EP0271946B1 (da)
AT (1)	ATE110512T1 (da)
AU (1)	AU605524B2 (da)
BE (1)	BE905921A (da)
DE (1)	DE3750425T2 (da)
DK (1)	DK656787A (da)
ES (1)	ES2062976T3 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE905921A (nl) *	1986-12-16	1987-06-16	Bell Telephone Mfg	Telecommunicatie-inrichting en daarin gebruikte ketens.
EP0439641B1 (de) *	1990-01-29	1994-03-23	Siemens Aktiengesellschaft	Verfahren und Anordnung zur Bildung des Leitungsabschlusses einer Telefonleitung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1546046A (en) *	1976-12-03	1979-05-16	Cselt Centro Studi Lab Telecom	Transmitting and receiving circuit for subscriber telephone sets
NL8200666A (nl) *	1982-02-19	1983-09-16	Philips Nv	Transmissieschakeling voor een elektronisch telefoontoestel.
GB8317706D0 (en) *	1983-06-29	1983-08-03	Standard Telephones Cables Ltd	Telephone subsets
BE898049A (nl) *	1983-10-21	1984-04-24	Bell Telephone Mfg	Telecommunicatielijnketen en bijbehorende spanningsomzetter.
NL8400508A (nl) *	1984-02-17	1985-09-16	Philips Nv	Audiotransmissiecircuit met als lijnspanningsstabilisator uitgevoerde zendversterker.
BE905921A (nl) *	1986-12-16	1987-06-16	Bell Telephone Mfg	Telecommunicatie-inrichting en daarin gebruikte ketens.

1986
- 1986-12-16 BE BE2/61110A patent/BE905921A/nl not_active IP Right Cessation
1987
- 1987-12-02 ES ES87202393T patent/ES2062976T3/es not_active Expired - Lifetime
- 1987-12-02 AT AT87202393T patent/ATE110512T1/de not_active IP Right Cessation
- 1987-12-02 EP EP87202393A patent/EP0271946B1/en not_active Expired - Lifetime
- 1987-12-02 DE DE3750425T patent/DE3750425T2/de not_active Expired - Fee Related
- 1987-12-07 AU AU82161/87A patent/AU605524B2/en not_active Ceased
- 1987-12-15 DK DK656787A patent/DK656787A/da not_active Application Discontinuation

Also Published As

Publication number	Publication date
AU605524B2 (en)	1991-01-17
EP0271946B1 (en)	1994-08-24
BE905921A (nl)	1987-06-16
EP0271946A3 (en)	1990-04-04
AU8216187A (en)	1988-06-16
DK656787D0 (da)	1987-12-15
ES2062976T3 (es)	1995-01-01
DE3750425D1 (de)	1994-09-29
ATE110512T1 (de)	1994-09-15
EP0271946A2 (en)	1988-06-22
DE3750425T2 (de)	1995-04-27

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DK165614C (da)	1993-05-03	Telefonstroemforsyning
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Legal Events

Date	Code	Title	Description
1990-08-20	AHB	Application shelved due to non-payment