FR1128298A - Improvements relating to electronic discharge devices - Google Patents

Improvements relating to electronic discharge devices

Info

Publication number
FR1128298A
FR1128298A FR1128298DA FR1128298A FR 1128298 A FR1128298 A FR 1128298A FR 1128298D A FR1128298D A FR 1128298DA FR 1128298 A FR1128298 A FR 1128298A
Authority
FR
France
Prior art keywords
improvements relating
discharge devices
electronic discharge
electronic
relating
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR1128298A publication Critical patent/FR1128298A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
    • H01J40/06—Photo-emissive cathodes
FR1128298D 1954-07-31 1955-07-28 Improvements relating to electronic discharge devices Expired FR1128298A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1128298X 1954-07-31

Publications (1)

Publication Number Publication Date
FR1128298A true FR1128298A (en) 1957-01-03

Family

ID=10876116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1128298D Expired FR1128298A (en) 1954-07-31 1955-07-28 Improvements relating to electronic discharge devices

Country Status (1)

Country Link
FR (1) FR1128298A (en)

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