AT346914B - CIRCUIT ARRANGEMENT FOR A TELEPHONE EXTENSION SYSTEM - Google Patents

CIRCUIT ARRANGEMENT FOR A TELEPHONE EXTENSION SYSTEM

Info

Publication number: AT346914B
Authority: AT; Austria
Prior art keywords: circuit arrangement; extension system; telephone extension; telephone; arrangement
Prior art date: 1975-09-15

Application number

AT592076A

Other languages

German (de)

Other versions

ATA592076A (en

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.)

1975-09-15

Filing date

1976-08-10

Publication date

1978-12-11

1976-08-10 Application filed by Siemens Ag filed Critical Siemens Ag

1978-04-15 Publication of ATA592076A publication Critical patent/ATA592076A/en

1978-12-11 Application granted granted Critical

1978-12-11 Publication of AT346914B publication Critical patent/AT346914B/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Astronomy & Astrophysics (AREA)
General Physics & Mathematics (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Meter Arrangements (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)

AT592076A 1975-09-15 1976-08-10 CIRCUIT ARRANGEMENT FOR A TELEPHONE EXTENSION SYSTEM AT346914B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2541092A DE2541092C3 (en)	1975-09-15	1975-09-15	Circuit arrangement for assigning a type of authorization in private branch exchanges

Publications (2)

Publication Number	Publication Date
ATA592076A ATA592076A (en)	1978-04-15
AT346914B true AT346914B (en)	1978-12-11

Family

ID=5956525

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT592076A AT346914B (en)	1975-09-15	1976-08-10	CIRCUIT ARRANGEMENT FOR A TELEPHONE EXTENSION SYSTEM

Country Status (9)

Country	Link
JP (1)	JPS5235909A (en)
AT (1)	AT346914B (en)
BE (1)	BE846230A (en)
CH (1)	CH607487A5 (en)
DE (1)	DE2541092C3 (en)
FR (1)	FR2324173A1 (en)
GB (1)	GB1549006A (en)
IT (1)	IT1072760B (en)
SE (1)	SE421367B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2832850C2 (en) *	1978-07-26	1986-05-28	Siemens AG, 1000 Berlin und 8000 München	Circuit arrangement for telecommunication switching systems, in particular telephone switching systems, with authorization evaluation
JPS589630Y2 (en) *	1979-08-22	1983-02-22	日本鋼管株式会社	Surplus soil improvement machine
DE3409134A1 (en) *	1984-03-09	1985-09-12	Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin	Method and circuit arrangement for trunk circuits for blocking devices

1975
- 1975-09-15 DE DE2541092A patent/DE2541092C3/en not_active Expired
1976
- 1976-07-14 GB GB29224/76A patent/GB1549006A/en not_active Expired
- 1976-07-19 CH CH925176A patent/CH607487A5/xx not_active IP Right Cessation
- 1976-08-10 AT AT592076A patent/AT346914B/en not_active IP Right Cessation
- 1976-08-30 FR FR7626111A patent/FR2324173A1/en active Granted
- 1976-09-10 IT IT27066/76A patent/IT1072760B/en active
- 1976-09-14 JP JP51110653A patent/JPS5235909A/en active Granted
- 1976-09-14 SE SE7610179A patent/SE421367B/en unknown
- 1976-09-15 BE BE170656A patent/BE846230A/en unknown

Also Published As

Publication number	Publication date
JPS5235909A (en)	1977-03-18
DE2541092A1 (en)	1977-03-17
DE2541092C3 (en)	1979-11-22
ATA592076A (en)	1978-04-15
BE846230A (en)	1977-03-15
SE7610179L (en)	1977-03-16
GB1549006A (en)	1979-08-01
FR2324173A1 (en)	1977-04-08
FR2324173B1 (en)	1981-09-04
DE2541092B2 (en)	1977-11-03
JPS5739112B2 (en)	1982-08-19
SE421367B (en)	1981-12-14
IT1072760B (en)	1985-04-10
CH607487A5 (en)	1978-12-29

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Legal Events

Date	Code	Title	Description
1984-01-15	ELJ	Ceased due to non-payment of the annual fee