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FR634325A - Relais à fréquence - Google Patents

Relais à fréquence

Info

Publication number
FR634325A
FR634325A FR634325DA FR634325A FR 634325 A FR634325 A FR 634325A FR 634325D A FR634325D A FR 634325DA FR 634325 A FR634325 A FR 634325A
Authority
FR
France
Prior art keywords
frequency relay
relay
frequency
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)
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Application granted granted Critical
Publication of FR634325A publication Critical patent/FR634325A/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)
  • Breakers (AREA)
  • Relay Circuits (AREA)
  • Magnetic Treatment Devices (AREA)
FR634325D 1927-04-01 1927-05-13 Relais à fréquence Expired FR634325A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE288125X 1927-04-01

Publications (1)

Publication Number Publication Date
FR634325A true FR634325A (fr) 1928-02-16

Family

ID=20307172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR634325D Expired FR634325A (fr) 1927-04-01 1927-05-13 Relais à fréquence

Country Status (3)

Country Link
US (1) US1887189A (fr)
FR (1) FR634325A (fr)
GB (1) GB288125A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0303434D0 (sv) * 2003-12-19 2003-12-19 Sca Hygiene Prod Ab Förfarande för underlättande av applicering av en absorberande artikel på en användare samt tillhörande artikel appliceringshjälpmedel

Also Published As

Publication number Publication date
US1887189A (en) 1932-11-08
GB288125A (en) 1928-09-27

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