ZA723869B - Telephone exchange with means for allowing the enclosing of a privileged calling subscriber in a connection established before - Google Patents

Telephone exchange with means for allowing the enclosing of a privileged calling subscriber in a connection established before

Info

Publication number: ZA723869B
Authority: ZA; South Africa
Prior art keywords: enclosing; allowing; calling subscriber; telephone exchange; connection established
Prior art date: 1971-11-19

Application number

ZA723869A

Other languages

English (en)

Inventor

O Malagoli

F Rossi

Original Assignee

Ataliana Telecomunicazioni Sie

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.)

1971-11-19

Filing date

1972-06-06

Publication date

1973-05-30

1972-06-06 Application filed by Ataliana Telecomunicazioni Sie filed Critical Ataliana Telecomunicazioni Sie

1973-05-30 Publication of ZA723869B publication Critical patent/ZA723869B/xx

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Exchange Systems With Centralized Control (AREA)

ZA723869A 1971-11-19 1972-06-06 Telephone exchange with means for allowing the enclosing of a privileged calling subscriber in a connection established before ZA723869B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT31372/71A IT946076B (it)	1971-11-19	1971-11-19	Centrale telefonica provvista di mezzi per consentire l inclusione di un utente chiamante preferen ziale in un collegamento preceden temente stabilito

Publications (1)

Publication Number	Publication Date
ZA723869B true ZA723869B (en)	1973-05-30

Family

ID=11233531

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA723869A ZA723869B (en)	1971-11-19	1972-06-06	Telephone exchange with means for allowing the enclosing of a privileged calling subscriber in a connection established before

Country Status (7)

Country	Link
BE (1)	BE783954A (fr)
DE (1)	DE2255564A1 (fr)
ES (1)	ES408341A1 (fr)
FR (1)	FR2136342A5 (fr)
IT (1)	IT946076B (fr)
NL (1)	NL7215413A (fr)
ZA (1)	ZA723869B (fr)

1971
- 1971-11-19 IT IT31372/71A patent/IT946076B/it active
1972
- 1972-04-12 FR FR7212780A patent/FR2136342A5/fr not_active Expired
- 1972-05-25 BE BE783954A patent/BE783954A/fr unknown
- 1972-06-06 ZA ZA723869A patent/ZA723869B/xx unknown
- 1972-10-28 ES ES408341A patent/ES408341A1/es not_active Expired
- 1972-11-13 DE DE2255564A patent/DE2255564A1/de active Pending
- 1972-11-14 NL NL7215413A patent/NL7215413A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
FR2136342A5 (fr)	1972-12-22
BE783954A (fr)	1972-09-18
IT946076B (it)	1973-05-21
ES408341A1 (es)	1976-02-01
DE2255564A1 (de)	1973-05-30
NL7215413A (fr)	1973-05-22

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