FR2333307A1 - Installation d'avertissement, notamment pour sonnerie de porte - Google Patents

Installation d'avertissement, notamment pour sonnerie de porte

Info

Publication number
FR2333307A1
FR2333307A1 FR7536379A FR7536379A FR2333307A1 FR 2333307 A1 FR2333307 A1 FR 2333307A1 FR 7536379 A FR7536379 A FR 7536379A FR 7536379 A FR7536379 A FR 7536379A FR 2333307 A1 FR2333307 A1 FR 2333307A1
Authority
FR
France
Prior art keywords
display
doorbell system
inhabitants
push
data relating
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.)
Granted
Application number
FR7536379A
Other languages
English (en)
French (fr)
Other versions
FR2333307B3 (ref
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7536379A priority Critical patent/FR2333307A1/fr
Publication of FR2333307A1 publication Critical patent/FR2333307A1/fr
Application granted granted Critical
Publication of FR2333307B3 publication Critical patent/FR2333307B3/fr
Granted 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)
  • Audible And Visible Signals (AREA)
FR7536379A 1975-11-27 1975-11-27 Installation d'avertissement, notamment pour sonnerie de porte Granted FR2333307A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7536379A FR2333307A1 (fr) 1975-11-27 1975-11-27 Installation d'avertissement, notamment pour sonnerie de porte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7536379A FR2333307A1 (fr) 1975-11-27 1975-11-27 Installation d'avertissement, notamment pour sonnerie de porte

Publications (2)

Publication Number Publication Date
FR2333307A1 true FR2333307A1 (fr) 1977-06-24
FR2333307B3 FR2333307B3 (ref) 1978-09-01

Family

ID=9163004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536379A Granted FR2333307A1 (fr) 1975-11-27 1975-11-27 Installation d'avertissement, notamment pour sonnerie de porte

Country Status (1)

Country Link
FR (1) FR2333307A1 (ref)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868540A (en) * 1987-07-15 1989-09-19 Housley Todd B Programmable doorbell control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868540A (en) * 1987-07-15 1989-09-19 Housley Todd B Programmable doorbell control

Also Published As

Publication number Publication date
FR2333307B3 (ref) 1978-09-01

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Legal Events

Date Code Title Description
ST Notification of lapse