NL79C - Improvement to a clapper board with electromagnets and flaps arranged in a circle - Google Patents

Improvement to a clapper board with electromagnets and flaps arranged in a circle

Info

Publication number
NL79C
NL79C NL124A NL124A NL79C NL 79 C NL79 C NL 79C NL 124 A NL124 A NL 124A NL 124 A NL124 A NL 124A NL 79 C NL79 C NL 79C
Authority
NL
Netherlands
Prior art keywords
electromagnets
circle
improvement
flaps arranged
clapper board
Prior art date
Application number
NL124A
Other languages
Dutch (nl)
Original Assignee
Zickel Julius
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 Zickel Julius filed Critical Zickel Julius
Priority to NL124A priority Critical patent/NL79C/en
Application granted granted Critical
Publication of NL79C publication Critical patent/NL79C/en

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
    • G08B5/24—Visible signalling systems, e.g. personal calling systems, 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. personal calling systems, 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)
NL124A 1912-06-03 1912-06-03 Improvement to a clapper board with electromagnets and flaps arranged in a circle NL79C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL124A NL79C (en) 1912-06-03 1912-06-03 Improvement to a clapper board with electromagnets and flaps arranged in a circle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL124A NL79C (en) 1912-06-03 1912-06-03 Improvement to a clapper board with electromagnets and flaps arranged in a circle

Publications (1)

Publication Number Publication Date
NL79C true NL79C (en) 1913-12-15

Family

ID=1771473

Family Applications (1)

Application Number Title Priority Date Filing Date
NL124A NL79C (en) 1912-06-03 1912-06-03 Improvement to a clapper board with electromagnets and flaps arranged in a circle

Country Status (1)

Country Link
NL (1) NL79C (en)

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