FR514379A - Control device for electrical circuits - Google Patents

Control device for electrical circuits

Info

Publication number
FR514379A
FR514379A FR514379A FR514379DA FR514379A FR 514379 A FR514379 A FR 514379A FR 514379 A FR514379 A FR 514379A FR 514379D A FR514379D A FR 514379DA FR 514379 A FR514379 A FR 514379A
Authority
FR
France
Prior art keywords
control device
electrical circuits
circuits
electrical
control
Prior art date
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
FR514379A
Other languages
French (fr)
Inventor
Honore-Henri Martiny
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.)
HONORE HENRI MARTINY
Original Assignee
HONORE HENRI MARTINY
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.)
Filing date
Publication date
Application filed by HONORE HENRI MARTINY filed Critical HONORE HENRI MARTINY
Application granted granted Critical
Publication of FR514379A publication Critical patent/FR514379A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
FR514379A 1919-06-21 1919-06-21 Control device for electrical circuits Expired FR514379A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR514379T 1919-06-21

Publications (1)

Publication Number Publication Date
FR514379A true FR514379A (en) 1921-03-09

Family

ID=8914131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR514379A Expired FR514379A (en) 1919-06-21 1919-06-21 Control device for electrical circuits

Country Status (1)

Country Link
FR (1) FR514379A (en)

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