FR519754A - Electric relay frequency selector, delayed action - Google Patents

Electric relay frequency selector, delayed action

Info

Publication number
FR519754A
FR519754A FR519754A FR519754DA FR519754A FR 519754 A FR519754 A FR 519754A FR 519754 A FR519754 A FR 519754A FR 519754D A FR519754D A FR 519754DA FR 519754 A FR519754 A FR 519754A
Authority
FR
France
Prior art keywords
frequency selector
delayed action
electric relay
relay frequency
electric
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
FR519754A
Other languages
French (fr)
Inventor
Joseph Bethenod
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 FR519754A publication Critical patent/FR519754A/en
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)
FR519754A 1919-12-23 1919-12-23 Electric relay frequency selector, delayed action Expired FR519754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR519754T 1919-12-23

Publications (1)

Publication Number Publication Date
FR519754A true FR519754A (en) 1921-06-15

Family

ID=8916549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR519754A Expired FR519754A (en) 1919-12-23 1919-12-23 Electric relay frequency selector, delayed action

Country Status (1)

Country Link
FR (1) FR519754A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431444A (en) * 1942-12-05 1947-11-25 Bendix Aviat Corp Polar relay
DE1215812B (en) * 1959-12-04 1966-05-05 Siemens Ag Resonance relay with adhesive characteristics

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431444A (en) * 1942-12-05 1947-11-25 Bendix Aviat Corp Polar relay
DE1215812B (en) * 1959-12-04 1966-05-05 Siemens Ag Resonance relay with adhesive characteristics

Similar Documents

Publication Publication Date Title
FR519754A (en) Electric relay frequency selector, delayed action
FR604760A (en) Electric relays
FR517846A (en) Electric switch
CH89133A (en) Power switch.
DK25124C (en) Electric Knife Switch.
DK27082C (en) Electric Remote Switch.
FR523372A (en) Electric switch
FR499814A (en) Advanced electric switch
FR25442E (en) Electric relays
DK33150C (en) Electric Relay.
ES79967A3 (en) Electric relay.
FR24461E (en) Electric passage relay
DK28065C (en) Relay for Wavy Currents.
FR500826A (en) Current reversing switch
FR539620A (en) Aperiodic electric relay
DK27755C (en) Electric Rotary Switch.
FR554323A (en) Electric relay operating by sound vibrations
DK25062C (en) Electrical Switch.
DK27259C (en) Electrical Switch.
DK34548C (en) Electrical Switch.
FR511847A (en) Electric passage relay
FR601208A (en) Electric relays
FR506847A (en) Momentary electrical switch
FR513585A (en) Electric time switch
FR601538A (en) Electric unbalance relay