FR713709A - AC electric relays - Google Patents

AC electric relays

Info

Publication number
FR713709A
FR713709A FR713709DA FR713709A FR 713709 A FR713709 A FR 713709A FR 713709D A FR713709D A FR 713709DA FR 713709 A FR713709 A FR 713709A
Authority
FR
France
Prior art keywords
electric relays
relays
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
Other languages
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR713709A publication Critical patent/FR713709A/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
FR713709D 1930-06-12 1931-03-23 AC electric relays Expired FR713709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1803030A GB356803A (en) 1930-06-12 1930-06-12 Improvements in alternating current relays

Publications (1)

Publication Number Publication Date
FR713709A true FR713709A (en) 1931-10-31

Family

ID=10105420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713709D Expired FR713709A (en) 1930-06-12 1931-03-23 AC electric relays

Country Status (2)

Country Link
FR (1) FR713709A (en)
GB (1) GB356803A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098986A (en) * 1960-06-15 1963-07-23 Thomas W Holden Band pass audio filter
US3098987A (en) * 1962-01-12 1963-07-23 Thomas W Holden Variable band pass audio filter
US3227973A (en) * 1962-01-31 1966-01-04 Reginald I Gray Transformer

Also Published As

Publication number Publication date
GB356803A (en) 1931-09-14

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