FR685990A - Equipotential Cathode Discharge Tube - Google Patents

Equipotential Cathode Discharge Tube

Info

Publication number
FR685990A
FR685990A FR685990DA FR685990A FR 685990 A FR685990 A FR 685990A FR 685990D A FR685990D A FR 685990DA FR 685990 A FR685990 A FR 685990A
Authority
FR
France
Prior art keywords
discharge tube
cathode discharge
equipotential cathode
equipotential
tube
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 FR685990A publication Critical patent/FR685990A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/44—One or more circuit elements structurally associated with the tube or lamp
FR685990D 1928-12-04 1929-12-03 Equipotential Cathode Discharge Tube Expired FR685990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL685990X 1928-12-04

Publications (1)

Publication Number Publication Date
FR685990A true FR685990A (en) 1930-07-21

Family

ID=19805666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685990D Expired FR685990A (en) 1928-12-04 1929-12-03 Equipotential Cathode Discharge Tube

Country Status (2)

Country Link
FR (1) FR685990A (en)
NL (1) NL24553C (en)

Also Published As

Publication number Publication date
NL24553C (en)

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