FR1095890A - Devices generating alternating light rays - Google Patents

Devices generating alternating light rays

Info

Publication number
FR1095890A
FR1095890A FR1095890DA FR1095890A FR 1095890 A FR1095890 A FR 1095890A FR 1095890D A FR1095890D A FR 1095890DA FR 1095890 A FR1095890 A FR 1095890A
Authority
FR
France
Prior art keywords
light rays
alternating light
generating alternating
devices generating
devices
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
French (fr)
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.)
Svenska AB Gasaccumulator
Original Assignee
Svenska AB Gasaccumulator
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 Svenska AB Gasaccumulator filed Critical Svenska AB Gasaccumulator
Application granted granted Critical
Publication of FR1095890A publication Critical patent/FR1095890A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/40—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using smoke, fire or coloured gases

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1095890D 1953-01-27 1954-01-22 Devices generating alternating light rays Expired FR1095890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1095890X 1953-01-27

Publications (1)

Publication Number Publication Date
FR1095890A true FR1095890A (en) 1955-06-07

Family

ID=20420017

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1095890D Expired FR1095890A (en) 1953-01-27 1954-01-22 Devices generating alternating light rays

Country Status (1)

Country Link
FR (1) FR1095890A (en)

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