FR487179A - Méthodes de sélection de signaux en téléphonie automatique - Google Patents

Méthodes de sélection de signaux en téléphonie automatique

Info

Publication number: FR487179A
Authority: FR; France
Prior art keywords: signal selection; selection methods; telephony signal; automatic telephony; automatic
Prior art date: 1916-03-10
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.)

Compagnie Francaise Thomson Houston SA

Original Assignee

Compagnie Francaise Thomson Houston SA

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.)

1916-03-10

Filing date

1917-03-01

Publication date

1918-06-12

1917-03-01 Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA

1918-06-12 Application granted granted Critical

1918-06-12 Publication of FR487179A publication Critical patent/FR487179A/fr

Status Expired legal-status Critical Current

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US487179XA	1916-03-10	1916-03-10

Publications (1)

Publication Number	Publication Date
FR487179A true FR487179A (fr)	1918-06-12

Family

ID=43351774

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR487179D Expired FR487179A (fr)	1916-03-10	1917-03-01	Méthodes de sélection de signaux en téléphonie automatique

Country Status (1)

Country	Link
FR (1)	FR487179A (fr)

1917
- 1917-03-01 FR FR487179D patent/FR487179A/fr not_active Expired

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