FR554601A - Improvements made to current interrupting devices - Google Patents

Improvements made to current interrupting devices

Info

Publication number
FR554601A
FR554601A FR554601DA FR554601A FR 554601 A FR554601 A FR 554601A FR 554601D A FR554601D A FR 554601DA FR 554601 A FR554601 A FR 554601A
Authority
FR
France
Prior art keywords
improvements made
current interrupting
interrupting devices
devices
current
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR554601A publication Critical patent/FR554601A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/54—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements of vacuum tubes
FR554601D 1921-08-04 1922-07-31 Improvements made to current interrupting devices Expired FR554601A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US489823A US1723858A (en) 1921-08-04 1921-08-04 Circuit breaker

Publications (1)

Publication Number Publication Date
FR554601A true FR554601A (en) 1923-06-14

Family

ID=23945410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR554601D Expired FR554601A (en) 1921-08-04 1922-07-31 Improvements made to current interrupting devices

Country Status (3)

Country Link
US (1) US1723858A (en)
FR (1) FR554601A (en)
GB (1) GB184194A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505988A (en) * 1947-08-06 1950-05-02 Clare O Hagan Coded signaling apparatus

Also Published As

Publication number Publication date
GB184194A (en) 1923-05-24
US1723858A (en) 1929-08-06

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