FR358561A - Annonciateur pour téléphones - Google Patents

Annonciateur pour téléphones

Info

Publication number
FR358561A
FR358561A FR358561DA FR358561A FR 358561 A FR358561 A FR 358561A FR 358561D A FR358561D A FR 358561DA FR 358561 A FR358561 A FR 358561A
Authority
FR
France
Prior art keywords
annunciator
phones
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)
Inventor
Alfred Laurentius Peterson
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
Application granted granted Critical
Publication of FR358561A publication Critical patent/FR358561A/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
    • G08B5/24—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane
    • G08B5/28—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane with hinged flap or arm

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR358561D 1905-10-16 1905-10-16 Annonciateur pour téléphones Expired FR358561A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR358561T 1905-10-16

Publications (1)

Publication Number Publication Date
FR358561A true FR358561A (fr) 1906-02-24

Family

ID=1406379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR358561D Expired FR358561A (fr) 1905-10-16 1905-10-16 Annonciateur pour téléphones

Country Status (1)

Country Link
FR (1) FR358561A (fr)

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