CH299889A - Installation de commutation automatique. - Google Patents

Installation de commutation automatique.

Info

Publication number: CH299889A
Authority: CH; Switzerland
Prior art keywords: automatic switching; switching facility; facility; automatic; switching
Prior art date: 1950-06-16

Application number

Other languages

English (en)

Inventor

Marie Oberman Roelof Maarten

Original Assignee

Nederlanden Staat

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.)

1950-06-16

Filing date

1951-05-29

Publication date

1954-06-30

1951-05-29 Application filed by Nederlanden Staat filed Critical Nederlanden Staat

1954-06-30 Publication of CH299889A publication Critical patent/CH299889A/fr

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

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

CH299889D 1950-06-16 1951-05-29 Installation de commutation automatique. CH299889A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL299889X		1950-06-16

Publications (1)

Publication Number	Publication Date
CH299889A true CH299889A (fr)	1954-06-30

Family

ID=19783209

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH299889D CH299889A (fr)	1950-06-16	1951-05-29	Installation de commutation automatique.

Country Status (6)

Country	Link
BE (1)	BE503597A (fr)
CH (1)	CH299889A (fr)
DE (1)	DE974596C (fr)
FR (1)	FR1050285A (fr)
GB (1)	GB747173A (fr)
NL (2)	NL154221B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL267039A (fr) *	1960-07-18
NL272353A (fr) *	1960-12-21

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB191413524A (en) *	1914-06-03	1915-04-01	Western Electric Co Ltd	Improvements in Automatic Switching Mechanisms and more particularly for use in connection with Telephone Systems.
GB191509345A (en) *	1915-06-25	1916-06-26	Relay Automatic Telephone Co L	Improvements in Automatic and Semi-automatic Telephone Systems.
AT126861B (de) *	1927-07-30	1932-02-25	Gotthilf Ansgarius Betulander	Einrichtung an selbsttätigen Fernsprechsystemen.
GB320366A (en) *	1928-07-10	1929-10-10	Gotthilf Ansgarius Betulander	Improvements in automatic telephone systems
GB328314A (en) *	1928-12-20	1930-04-22	Standard Telephones Cables Ltd	Improvements in or relating to telephone systems
FR726007A (fr) *	1930-10-27	1932-05-21	Ericsson Telefon Ab L M	Perfectionnements aux bureaux centraux téléphoniques automatiques

0
- NL NL84720D patent/NL84720C/xx active
- BE BE503597D patent/BE503597A/xx unknown
- NL NL@@@@87224UURA patent/NL154221B/xx unknown
1951
- 1951-05-23 DE DEST3388A patent/DE974596C/de not_active Expired
- 1951-05-25 GB GB12348/51A patent/GB747173A/en not_active Expired
- 1951-05-29 CH CH299889D patent/CH299889A/fr unknown
- 1951-06-15 FR FR1050285D patent/FR1050285A/fr not_active Expired

Also Published As

Publication number	Publication date
NL84720C (fr)
FR1050285A (fr)	1954-01-06
BE503597A (fr)
DE974596C (de)	1961-02-23
NL154221B (nl)
GB747173A (en)	1956-03-28

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