FR808980A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR808980A
FR808980A FR808980DA FR808980A FR 808980 A FR808980 A FR 808980A FR 808980D A FR808980D A FR 808980DA FR 808980 A FR808980 A FR 808980A
Authority
FR
France
Prior art keywords
electrical switches
switches
electrical
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)
Inventor
Alfredo Lima De Morae Coutinho
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 filed Critical
Application granted granted Critical
Publication of FR808980A publication Critical patent/FR808980A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
FR808980D 1935-08-21 1936-08-03 Improvements to electrical switches Expired FR808980A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR479942X 1935-08-21

Publications (1)

Publication Number Publication Date
FR808980A true FR808980A (en) 1937-02-19

Family

ID=3949207

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808980D Expired FR808980A (en) 1935-08-21 1936-08-03 Improvements to electrical switches

Country Status (2)

Country Link
FR (1) FR808980A (en)
GB (1) GB479942A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112185673A (en) * 2020-09-02 2021-01-05 中铁第一勘察设计院集团有限公司 Voltage stabilizing transformer based on self-adaptive on-load tap-changer

Also Published As

Publication number Publication date
GB479942A (en) 1938-02-15

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