FR2171465A7 - - Google Patents

Info

Publication number
FR2171465A7
FR2171465A7 FR7203230A FR7203230A FR2171465A7 FR 2171465 A7 FR2171465 A7 FR 2171465A7 FR 7203230 A FR7203230 A FR 7203230A FR 7203230 A FR7203230 A FR 7203230A FR 2171465 A7 FR2171465 A7 FR 2171465A7
Authority
FR
France
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
FR7203230A
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.)
PELLEGRINI RENE
Original Assignee
PELLEGRINI RENE
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 PELLEGRINI RENE filed Critical PELLEGRINI RENE
Priority to FR7203230A priority Critical patent/FR2171465A7/fr
Application granted granted Critical
Publication of FR2171465A7 publication Critical patent/FR2171465A7/fr
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
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; 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)
FR7203230A 1972-02-01 1972-02-01 Expired FR2171465A7 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7203230A FR2171465A7 (fr) 1972-02-01 1972-02-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7203230A FR2171465A7 (fr) 1972-02-01 1972-02-01

Publications (1)

Publication Number Publication Date
FR2171465A7 true FR2171465A7 (fr) 1973-09-21

Family

ID=9092765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7203230A Expired FR2171465A7 (fr) 1972-02-01 1972-02-01

Country Status (1)

Country Link
FR (1) FR2171465A7 (fr)

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Legal Events

Date Code Title Description
ST Notification of lapse