ZA725290B - Improvements in or relating to telecommunications systems - Google Patents

Improvements in or relating to telecommunications systems

Info

Publication number: ZA725290B
Authority: ZA; South Africa
Prior art keywords: relating; telecommunications systems; telecommunications; systems
Prior art date: 1971-09-09

Application number

ZA725290A

Inventor

H Fiedler

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.)

1971-09-09

Filing date

1972-08-01

Publication date

1973-04-25

1971-09-09 Priority claimed from DE19712145205 external-priority patent/DE2145205C3/en

1972-08-01 Application filed by Siemens Ag filed Critical Siemens Ag

1973-04-25 Publication of ZA725290B publication Critical patent/ZA725290B/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Telephonic Communication Services (AREA)
Data Exchanges In Wide-Area Networks (AREA)
Communication Control (AREA)

ZA725290A 1971-09-09 1972-08-01 Improvements in or relating to telecommunications systems ZA725290B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712145205 DE2145205C3 (en)		1971-09-09	Method for detecting a collision between an ascending and a descending call on the subscriber lines of a data switching system

Publications (1)

Publication Number	Publication Date
ZA725290B true ZA725290B (en)	1973-04-25

Family

ID=5819148

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA725290A ZA725290B (en)	1971-09-09	1972-08-01	Improvements in or relating to telecommunications systems

Country Status (12)

Country	Link
AU (1)	AU469199B2 (en)
BE (1)	BE788568A (en)
CA (1)	CA960390A (en)
CH (1)	CH545567A (en)
DK (1)	DK142389C (en)
FR (1)	FR2152595B1 (en)
GB (1)	GB1395413A (en)
IT (1)	IT967176B (en)
LU (1)	LU66020A1 (en)
NL (1)	NL7212256A (en)
SE (1)	SE381155B (en)
ZA (1)	ZA725290B (en)

0
- BE BE788568D patent/BE788568A/en unknown
1972
- 1972-07-20 GB GB3400872A patent/GB1395413A/en not_active Expired
- 1972-08-01 ZA ZA725290A patent/ZA725290B/en unknown
- 1972-08-04 CA CA148,746A patent/CA960390A/en not_active Expired
- 1972-08-07 CH CH1166572A patent/CH545567A/xx not_active IP Right Cessation
- 1972-08-14 AU AU45562/72A patent/AU469199B2/en not_active Expired
- 1972-08-31 FR FR7231003A patent/FR2152595B1/fr not_active Expired
- 1972-09-06 IT IT28851/72A patent/IT967176B/en active
- 1972-09-07 LU LU66020A patent/LU66020A1/xx unknown
- 1972-09-07 SE SE7211548A patent/SE381155B/en unknown
- 1972-09-08 DK DK446172A patent/DK142389C/en active
- 1972-09-08 NL NL7212256A patent/NL7212256A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
CA960390A (en)	1974-12-31
DK142389C (en)	1981-03-23
NL7212256A (en)	1973-03-13
IT967176B (en)	1974-02-28
DK142389B (en)	1980-10-20
DE2145205A1 (en)	1973-03-15
GB1395413A (en)	1975-05-29
AU469199B2 (en)	1976-02-05
AU4556272A (en)	1974-02-21
CH545567A (en)	1974-01-31
FR2152595A1 (en)	1973-04-27
SE381155B (en)	1975-11-24
FR2152595B1 (en)	1977-07-29
LU66020A1 (en)	1973-03-12
DE2145205B2 (en)	1977-05-26
BE788568A (en)	1973-03-08

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