FR802730A - Tableau de signalisation lumineuse - Google Patents

Tableau de signalisation lumineuse

Info

Publication number
FR802730A
FR802730A FR802730DA FR802730A FR 802730 A FR802730 A FR 802730A FR 802730D A FR802730D A FR 802730DA FR 802730 A FR802730 A FR 802730A
Authority
FR
France
Prior art keywords
light signaling
signaling board
board
light
signaling
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
Other languages
English (en)
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.)
Telephonie Ind & Commerciale S
Original Assignee
Telephonie Ind & Commerciale S
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 Telephonie Ind & Commerciale S filed Critical Telephonie Ind & Commerciale S
Application granted granted Critical
Publication of FR802730A publication Critical patent/FR802730A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR802730D 1936-02-20 1936-02-20 Tableau de signalisation lumineuse Expired FR802730A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR802730T 1936-02-20

Publications (1)

Publication Number Publication Date
FR802730A true FR802730A (fr) 1936-09-14

Family

ID=9249391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802730D Expired FR802730A (fr) 1936-02-20 1936-02-20 Tableau de signalisation lumineuse

Country Status (1)

Country Link
FR (1) FR802730A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4988986A (en) * 1988-12-22 1991-01-29 Inventio Ag Display module and multiple unit display constructed of such display modules

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4988986A (en) * 1988-12-22 1991-01-29 Inventio Ag Display module and multiple unit display constructed of such display modules

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