FR818907A - Improvements to electric discharge tubes and devices incorporating them, particularly radio receivers - Google Patents

Improvements to electric discharge tubes and devices incorporating them, particularly radio receivers

Info

Publication number
FR818907A
FR818907A FR818907DA FR818907A FR 818907 A FR818907 A FR 818907A FR 818907D A FR818907D A FR 818907DA FR 818907 A FR818907 A FR 818907A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
radio receivers
devices incorporating
particularly radio
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 FR818907A publication Critical patent/FR818907A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0001Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/001Non-constructive schematic arrangements
FR818907D 1936-03-09 1937-03-08 Improvements to electric discharge tubes and devices incorporating them, particularly radio receivers Expired FR818907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL818907X 1936-03-09

Publications (1)

Publication Number Publication Date
FR818907A true FR818907A (en) 1937-10-06

Family

ID=19838986

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818907D Expired FR818907A (en) 1936-03-09 1937-03-08 Improvements to electric discharge tubes and devices incorporating them, particularly radio receivers

Country Status (1)

Country Link
FR (1) FR818907A (en)

Similar Documents

Publication Publication Date Title
FR834085A (en) Cathode ray tube
FR846257A (en) Improvements to cathode ray tubes
FR843273A (en) Improvements to cathode ray tubes
FR818907A (en) Improvements to electric discharge tubes and devices incorporating them, particularly radio receivers
FR823346A (en) Improvements to electric discharge tubes and devices incorporating them
FR866438A (en) Cathode ray tube television receiver
FR817738A (en) Television cathode ray tube
FR831368A (en) Improvements in radio receivers and similar devices
FR820947A (en) Improvements made to electric discharge tubes and devices incorporating them
FR821846A (en) Improvements made to electric discharge tubes and devices incorporating them
FR829835A (en) Improvements made to electric discharge tubes and devices incorporating them
FR835007A (en) Improvements to cathode ray tubes
FR823347A (en) Electric discharge tube
FR839242A (en) Improvements to electric discharge tubes and devices incorporating them
FR833705A (en) Improvements to electric discharge tubes and devices incorporating them
FR818047A (en) Gas-filled electric discharge tube
FR811591A (en) Improvements made to electric discharge tubes, in particular to amplifying lamps, and to assemblies which include them
FR823368A (en) Improvements made to electric discharge tubes
FR815084A (en) Improvements to thermionic discharge tubes
FR845391A (en) Cathode ray tubes
FR818215A (en) Electric discharge tube
FR836986A (en) Secondary electron tube
FR819632A (en) Multiple grid electric discharge tube
ES142098A1 (en) Improvements in the construction of cathode ray tube devices.
FR826429A (en) Secondary electron tube