FR774036A - Mercury switch tube - Google Patents

Mercury switch tube

Info

Publication number
FR774036A
FR774036A FR774036DA FR774036A FR 774036 A FR774036 A FR 774036A FR 774036D A FR774036D A FR 774036DA FR 774036 A FR774036 A FR 774036A
Authority
FR
France
Prior art keywords
switch tube
mercury switch
mercury
tube
switch
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR774036A publication Critical patent/FR774036A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/18—Switches having at least one liquid contact with level of surface of contact liquid displaced by non-electrical contact-making plunger
FR774036D 1933-06-27 1934-06-01 Mercury switch tube Expired FR774036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE774036X 1933-06-27

Publications (1)

Publication Number Publication Date
FR774036A true FR774036A (en) 1934-11-29

Family

ID=1552126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774036D Expired FR774036A (en) 1933-06-27 1934-06-01 Mercury switch tube

Country Status (1)

Country Link
FR (1) FR774036A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1088129B (en) * 1957-04-26 1960-09-01 Robertshaw Fulton Controls Co Magnetically operated mercury switch of small dimensions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1088129B (en) * 1957-04-26 1960-09-01 Robertshaw Fulton Controls Co Magnetically operated mercury switch of small dimensions

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