FR727623A - Announcer - Google Patents

Announcer

Info

Publication number
FR727623A
FR727623A FR727623DA FR727623A FR 727623 A FR727623 A FR 727623A FR 727623D A FR727623D A FR 727623DA FR 727623 A FR727623 A FR 727623A
Authority
FR
France
Prior art keywords
announcer
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.)
TEMPORATOR Co
Original Assignee
TEMPORATOR Co
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 TEMPORATOR Co filed Critical TEMPORATOR Co
Application granted granted Critical
Publication of FR727623A publication Critical patent/FR727623A/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
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR727623D 1931-12-04 1931-12-04 Announcer Expired FR727623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR727623T 1931-12-04

Publications (1)

Publication Number Publication Date
FR727623A true FR727623A (en) 1932-06-21

Family

ID=9111377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727623D Expired FR727623A (en) 1931-12-04 1931-12-04 Announcer

Country Status (1)

Country Link
FR (1) FR727623A (en)

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