FR27686E - Dispositif de signalisation - Google Patents

Dispositif de signalisation

Info

Publication number: FR27686E
Authority: FR; France
Prior art keywords: signaling device; signaling
Prior art date: 1923-05-02
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

Inventor

Lucien Jublin

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.)

1923-05-02

Filing date

1923-05-02

Publication date

1924-08-16

1923-05-02 Application filed filed Critical

1924-08-16 Application granted granted Critical

1924-08-16 Publication of FR27686E publication Critical patent/FR27686E/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems, e.g. audible personal calling systems
- G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
General Physics & Mathematics (AREA)

FR27686D 1923-05-02 1923-05-02 Dispositif de signalisation Expired FR27686E (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR27686T		1923-05-02

Publications (1)

Publication Number	Publication Date
FR27686E true FR27686E (fr)	1924-08-16

Family

ID=8665969

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR27686D Expired FR27686E (fr)	1923-05-02	1923-05-02	Dispositif de signalisation

Country Status (1)

Country	Link
FR (1)	FR27686E (fr)

1923
- 1923-05-02 FR FR27686D patent/FR27686E/fr not_active Expired

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