FR524119A - électro-diapason - Google Patents

électro-diapason

Info

Publication number
FR524119A
FR524119A FR524119A FR524119DA FR524119A FR 524119 A FR524119 A FR 524119A FR 524119 A FR524119 A FR 524119A FR 524119D A FR524119D A FR 524119DA FR 524119 A FR524119 A FR 524119A
Authority
FR
France
Prior art keywords
electro
tuning fork
tuning
fork
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
FR524119A
Other languages
English (en)
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.)
TELEGRAPHES MULTIPLEX SOC D
Original Assignee
TELEGRAPHES MULTIPLEX SOC D
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 TELEGRAPHES MULTIPLEX SOC D filed Critical TELEGRAPHES MULTIPLEX SOC D
Application granted granted Critical
Publication of FR524119A publication Critical patent/FR524119A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/30—Electromagnetic relays specially adapted for actuation by AC
    • H01H51/32—Frequency relays; Mechanically-tuned relays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR524119A 1917-11-17 1917-11-17 électro-diapason Expired FR524119A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR524119T 1917-11-17

Publications (1)

Publication Number Publication Date
FR524119A true FR524119A (fr) 1921-08-30

Family

ID=8919070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR524119A Expired FR524119A (fr) 1917-11-17 1917-11-17 électro-diapason

Country Status (1)

Country Link
FR (1) FR524119A (fr)

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