BR7806828A - Chave magnetica - Google Patents

Chave magnetica

Info

Publication number
BR7806828A
BR7806828A BR7806828A BR7806828A BR7806828A BR 7806828 A BR7806828 A BR 7806828A BR 7806828 A BR7806828 A BR 7806828A BR 7806828 A BR7806828 A BR 7806828A BR 7806828 A BR7806828 A BR 7806828A
Authority
BR
Brazil
Prior art keywords
magnetic key
key
magnetic
Prior art date
Application number
BR7806828A
Other languages
English (en)
Inventor
W Lee
Original Assignee
W Lee
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 W Lee filed Critical W Lee
Publication of BR7806828A publication Critical patent/BR7806828A/pt

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Switch Cases, Indication, And Locking (AREA)
BR7806828A 1978-04-27 1978-10-16 Chave magnetica BR7806828A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA302,175A CA1107326A (en) 1978-04-27 1978-04-27 Automatic magnetic switch

Publications (1)

Publication Number Publication Date
BR7806828A true BR7806828A (pt) 1980-04-15

Family

ID=4111354

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7806828A BR7806828A (pt) 1978-04-27 1978-10-16 Chave magnetica

Country Status (7)

Country Link
AU (1) AU527719B2 (pt)
BR (1) BR7806828A (pt)
CA (1) CA1107326A (pt)
DK (1) DK438778A (pt)
IT (1) IT1099741B (pt)
SE (1) SE7810139L (pt)
ZA (1) ZA785603B (pt)

Also Published As

Publication number Publication date
IT1099741B (it) 1985-09-28
AU4025378A (en) 1980-04-03
AU527719B2 (en) 1983-03-17
DK438778A (da) 1979-10-28
ZA785603B (en) 1979-09-26
CA1107326A (en) 1981-08-18
IT7828740A0 (it) 1978-10-13
SE7810139L (sv) 1979-10-28

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