NO740433L - Coupling device for connecting telegraph subscribers to AC transmission devices and transmission facilities. - Google Patents

Coupling device for connecting telegraph subscribers to AC transmission devices and transmission facilities.

Info

Publication number: NO740433L
Authority: NO; Norway
Prior art keywords: transmission; coupling device; facilities; transmission devices; subscribers
Prior art date: 1973-03-05

Application number

NO740433A

Other languages

Norwegian (no)

Other versions

NO140318C (en

NO140318B (en

Inventor

Ernst Schuhbauer

Fritz Giebler

Peter Rath

Original Assignee

Siemens Ag

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.)

1973-03-05

Filing date

1974-02-08

Publication date

1974-09-06

1974-02-08 Application filed by Siemens Ag filed Critical Siemens Ag

1974-09-06 Publication of NO740433L publication Critical patent/NO740433L/en

1979-04-30 Publication of NO140318B publication Critical patent/NO140318B/en

1979-08-08 Publication of NO140318C publication Critical patent/NO140318C/en

Links

230000005540 biological transmission Effects 0.000 title 2
230000008878 coupling Effects 0.000 title 1
238000010168 coupling process Methods 0.000 title 1
238000005859 coupling reaction Methods 0.000 title 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/12—Compensating for variations in line impedance

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Interface Circuits In Exchanges (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Radio Relay Systems (AREA)

NO740433A 1973-03-05 1974-02-08 CONNECTION DEVICE FOR CONNECTING TELEGRAPH SUBSCRIBERS TO AC POWER TRANSMISSION DEVICES AND TRANSMISSION SYSTEMS NO140318C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2310940A DE2310940C3 (en)	1973-03-05	1973-03-05	Circuit arrangement for connecting telegraph subscribers to AC transmission equipment and switching systems

Publications (3)

Publication Number	Publication Date
NO740433L true NO740433L (en)	1974-09-06
NO140318B NO140318B (en)	1979-04-30
NO140318C NO140318C (en)	1979-08-08

Family

ID=5873867

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO740433A NO140318C (en)	1973-03-05	1974-02-08	CONNECTION DEVICE FOR CONNECTING TELEGRAPH SUBSCRIBERS TO AC POWER TRANSMISSION DEVICES AND TRANSMISSION SYSTEMS

Country Status (12)

Country	Link
AT (1)	AT342120B (en)
BE (1)	BE811886A (en)
BR (1)	BR7401553D0 (en)
CH (1)	CH586981A5 (en)
DE (1)	DE2310940C3 (en)
FI (1)	FI60330C (en)
FR (1)	FR2220939B1 (en)
GB (1)	GB1452158A (en)
IT (1)	IT1011028B (en)
LU (1)	LU69544A1 (en)
NL (1)	NL7402912A (en)
NO (1)	NO140318C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7704703A (en) *	1977-04-29	1978-10-31	Philips Nv	ELECTRONIC DC TELEGRAPHY TRANSMITTER.
DE2833732C2 (en) *	1978-08-01	1981-12-03	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Circuit arrangement for the transmission of direct current telegraph characters
NL181896C (en) *	1979-06-05	1987-11-16	Philips Nv	ELECTRONIC TRANSMITTER FOR DC TELEGRAPHITE TRANSMISSION.
DE2925747C2 (en)	1979-06-26	1981-07-30	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Circuit arrangement for an electronic direct current telegraph transmitter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2035379C3 (en) *	1970-07-16	1975-10-09	Siemens Ag	Circuit arrangement for setting the line current in telegraph subscriber connection circuits of a switching system
FR2146091B1 (en) *	1971-07-16	1976-05-28	Constr Telephoniques
GB1424525A (en) *	1972-05-11	1976-02-11	Elliott Brothers London Ltd	Data transmission system

1973
- 1973-03-05 DE DE2310940A patent/DE2310940C3/en not_active Expired
1974
- 1974-01-30 AT AT74774A patent/AT342120B/en not_active IP Right Cessation
- 1974-02-08 NO NO740433A patent/NO140318C/en unknown
- 1974-02-14 GB GB681374A patent/GB1452158A/en not_active Expired
- 1974-02-14 FI FI425/74A patent/FI60330C/en active
- 1974-02-15 CH CH214274A patent/CH586981A5/xx not_active IP Right Cessation
- 1974-03-04 LU LU69544A patent/LU69544A1/xx unknown
- 1974-03-04 NL NL7402912A patent/NL7402912A/xx not_active Application Discontinuation
- 1974-03-04 BR BR1553/74A patent/BR7401553D0/en unknown
- 1974-03-05 BE BE141654A patent/BE811886A/en unknown
- 1974-03-05 IT IT49008/74A patent/IT1011028B/en active
- 1974-03-05 FR FR7407508A patent/FR2220939B1/fr not_active Expired

Also Published As

Publication number	Publication date
IT1011028B (en)	1977-01-20
NO140318C (en)	1979-08-08
NL7402912A (en)	1974-09-09
FI60330C (en)	1981-12-10
AT342120B (en)	1978-03-10
FR2220939B1 (en)	1977-09-23
GB1452158A (en)	1976-10-13
DE2310940A1 (en)	1974-09-19
BR7401553D0 (en)	1974-11-19
BE811886A (en)	1974-09-05
DE2310940B2 (en)	1978-08-10
DE2310940C3 (en)	1979-05-03
ATA74774A (en)	1977-07-15
NO140318B (en)	1979-04-30
FR2220939A1 (en)	1974-10-04
FI60330B (en)	1981-08-31
CH586981A5 (en)	1977-04-15
LU69544A1 (en)	1974-10-09

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