FR647782A - Commutateur automatique - Google Patents

Commutateur automatique

Info

Publication number: FR647782A
Authority: FR; France
Prior art keywords: automatic switch; automatic; switch
Prior art date: 1927-02-14
Legal status (The legal status 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 status listed.): Expired

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Associated Telephone and Telegraph Co

Original Assignee

Associated Telephone and Telegraph Co

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.)

1927-02-14

Filing date

1928-01-25

Publication date

1928-11-30

1928-01-25 Application filed by Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co

1928-11-30 Application granted granted Critical

1928-11-30 Publication of FR647782A publication Critical patent/FR647782A/fr

Status Expired legal-status Critical Current

Classifications

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

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Structure Of Telephone Exchanges (AREA)
Interface Circuits In Exchanges (AREA)

FR647782D 1927-02-14 1928-01-25 Commutateur automatique Expired FR647782A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US285365XA	1927-02-14	1927-02-14

Publications (1)

Publication Number	Publication Date
FR647782A true FR647782A (fr)	1928-11-30

Family

ID=21843986

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR647782D Expired FR647782A (fr)	1927-02-14	1928-01-25	Commutateur automatique

Country Status (2)

Country	Link
FR (1)	FR647782A (fr)
GB (1)	GB285365A (fr)

1928
- 1928-01-14 GB GB1310/28A patent/GB285365A/en not_active Expired
- 1928-01-25 FR FR647782D patent/FR647782A/fr not_active Expired

Also Published As

Publication number	Publication date
GB285365A (en)	1929-04-15

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