FR76759E - Improvements to electrical switching devices - Google Patents

Improvements to electrical switching devices

Info

Publication number
FR76759E
FR76759E FR807449A FR807449A FR76759E FR 76759 E FR76759 E FR 76759E FR 807449 A FR807449 A FR 807449A FR 807449 A FR807449 A FR 807449A FR 76759 E FR76759 E FR 76759E
Authority
FR
France
Prior art keywords
switching devices
electrical switching
electrical
devices
switching
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
FR807449A
Other languages
French (fr)
Inventor
Bruno Dalbianco
Mario Scata
Fabrica Apparecchia Comunicazi
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Priority claimed from DEST14105A external-priority patent/DE1117762B/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR807449A priority Critical patent/FR76759E/en
Application granted granted Critical
Publication of FR76759E publication Critical patent/FR76759E/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
    • H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
    • H01H51/284—Polarised relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
    • H01H51/282—Constructional details not covered by H01H51/281
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/24—Co-ordinate-type relay switches having an individual electromagnet at each cross-point

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR807449A 1957-04-09 1959-10-14 Improvements to electrical switching devices Expired FR76759E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR807449A FR76759E (en) 1957-04-09 1959-10-14 Improvements to electrical switching devices

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
IT360110X 1957-04-09
IT1063214X 1957-05-09
IT838765X 1957-06-26
DEST14105A DE1117762B (en) 1957-04-09 1958-08-07 Thermal relay with armature contacts arranged in protective tubes
DEST16677A DE1117763B (en) 1957-04-09 1958-08-07 Thermal relay with armature contacts arranged in protective tubes
IT596491 1958-10-16
IT1542358 1958-10-16
FR807449A FR76759E (en) 1957-04-09 1959-10-14 Improvements to electrical switching devices

Publications (1)

Publication Number Publication Date
FR76759E true FR76759E (en) 1961-12-01

Family

ID=32966884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR807449A Expired FR76759E (en) 1957-04-09 1959-10-14 Improvements to electrical switching devices

Country Status (1)

Country Link
FR (1) FR76759E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1286226B (en) * 1964-07-04 1969-01-02 Kupfer Asbest Co Electromagnetic chopper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1286226B (en) * 1964-07-04 1969-01-02 Kupfer Asbest Co Electromagnetic chopper

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